diff options
Diffstat (limited to 'src/lib/process/tests')
-rw-r--r-- | src/lib/process/tests/Makefile.am | 58 | ||||
-rw-r--r-- | src/lib/process/tests/Makefile.in | 1164 | ||||
-rw-r--r-- | src/lib/process/tests/cb_ctl_base_unittests.cc | 718 | ||||
-rw-r--r-- | src/lib/process/tests/config_base_unittests.cc | 230 | ||||
-rw-r--r-- | src/lib/process/tests/config_ctl_info_unittests.cc | 180 | ||||
-rw-r--r-- | src/lib/process/tests/config_ctl_parser_unittests.cc | 102 | ||||
-rw-r--r-- | src/lib/process/tests/d_cfg_mgr_unittests.cc | 375 | ||||
-rw-r--r-- | src/lib/process/tests/d_controller_unittests.cc | 470 | ||||
-rw-r--r-- | src/lib/process/tests/daemon_unittest.cc | 324 | ||||
-rw-r--r-- | src/lib/process/tests/log_parser_unittests.cc | 512 | ||||
-rw-r--r-- | src/lib/process/tests/logging_info_unittests.cc | 208 | ||||
-rw-r--r-- | src/lib/process/tests/run_unittests.cc | 24 |
12 files changed, 4365 insertions, 0 deletions
diff --git a/src/lib/process/tests/Makefile.am b/src/lib/process/tests/Makefile.am new file mode 100644 index 0000000..4d01645 --- /dev/null +++ b/src/lib/process/tests/Makefile.am @@ -0,0 +1,58 @@ +SUBDIRS = . +dhcp_data_dir = @runstatedir@/@PACKAGE@ +AM_CPPFLAGS = -I$(top_builddir)/src/lib -I$(top_srcdir)/src/lib +AM_CPPFLAGS += $(BOOST_INCLUDES) +AM_CPPFLAGS += -DTEST_DATA_BUILDDIR=\"$(abs_top_builddir)/src/lib/process/tests\" +AM_CPPFLAGS += -DDATA_DIR="\"$(dhcp_data_dir)\"" +AM_CPPFLAGS += -DINSTALL_PROG=\"$(abs_top_srcdir)/install-sh\" + +AM_CXXFLAGS = $(KEA_CXXFLAGS) + +if USE_STATIC_LINK +AM_LDFLAGS = -static +endif + +CLEANFILES = *.gcno *.gcda + +TESTS_ENVIRONMENT = \ + $(LIBTOOL) --mode=execute $(VALGRIND_COMMAND) + +TESTS = +if HAVE_GTEST +TESTS += libprocess_unittests + +libprocess_unittests_SOURCES = d_cfg_mgr_unittests.cc +libprocess_unittests_SOURCES += cb_ctl_base_unittests.cc +libprocess_unittests_SOURCES += config_base_unittests.cc +libprocess_unittests_SOURCES += config_ctl_info_unittests.cc +libprocess_unittests_SOURCES += config_ctl_parser_unittests.cc +libprocess_unittests_SOURCES += d_controller_unittests.cc +libprocess_unittests_SOURCES += daemon_unittest.cc +libprocess_unittests_SOURCES += log_parser_unittests.cc +libprocess_unittests_SOURCES += logging_info_unittests.cc +libprocess_unittests_SOURCES += run_unittests.cc + +libprocess_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES) + +libprocess_unittests_CXXFLAGS = $(AM_CXXFLAGS) + +libprocess_unittests_LDFLAGS = $(AM_LDFLAGS) $(GTEST_LDFLAGS) + +libprocess_unittests_LDADD = $(top_builddir)/src/lib/process/testutils/libprocesstest.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/process/libkea-process.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/cfgrpt/libcfgrpt.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/testutils/libkea-testutils.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/config/libkea-cfgclient.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/http/libkea-http.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/dhcp/libkea-dhcp++.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libkea-asiolink.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/cc/libkea-cc.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/hooks/libkea-hooks.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/log/libkea-log.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/util/libkea-util.la +libprocess_unittests_LDADD += $(top_builddir)/src/lib/exceptions/libkea-exceptions.la +libprocess_unittests_LDADD += $(LOG4CPLUS_LIBS) $(CRYPTO_LIBS) +libprocess_unittests_LDADD += $(BOOST_LIBS) $(GTEST_LDADD) +endif + +noinst_PROGRAMS = $(TESTS) diff --git a/src/lib/process/tests/Makefile.in b/src/lib/process/tests/Makefile.in new file mode 100644 index 0000000..c9baadf --- /dev/null +++ b/src/lib/process/tests/Makefile.in @@ -0,0 +1,1164 @@ +# Makefile.in generated by automake 1.16.1 from 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a/src/lib/process/tests/cb_ctl_base_unittests.cc b/src/lib/process/tests/cb_ctl_base_unittests.cc new file mode 100644 index 0000000..58d0aa0 --- /dev/null +++ b/src/lib/process/tests/cb_ctl_base_unittests.cc @@ -0,0 +1,718 @@ +// Copyright (C) 2019-2020 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <config_backend/base_config_backend_mgr.h> +#include <config_backend/base_config_backend_pool.h> +#include <process/cb_ctl_base.h> +#include <boost/date_time/posix_time/posix_time.hpp> +#include <boost/date_time/gregorian/gregorian.hpp> +#include <boost/shared_ptr.hpp> +#include <gtest/gtest.h> +#include <map> +#include <string> + +using namespace isc; +using namespace isc::cb; +using namespace isc::db; +using namespace isc::process; + +namespace { + +/// @brief Implementation of the config backend for testing the +/// @c CBControlBase template class. +/// +/// This simple class allows for adding, retrieving and clearing audit +/// entries. The @c CBControlBase unit tests use it to control the +/// behavior of the @c CBControlBase class under test. +class CBControlBackend : BaseConfigBackend { +public: + + /// @brief Constructor. + CBControlBackend(const db::DatabaseConnection::ParameterMap&) { + } + + /// @brief Retrieves the audit entries later than specified time. + /// + /// @param modification_time The lower bound time for which audit + /// entries should be returned. + /// @param modification_id The lower bound id for which audit + /// entries should be returned. + /// + /// @return Collection of audit entries later than specified time. + virtual db::AuditEntryCollection + getRecentAuditEntries(const db::ServerSelector&, + const boost::posix_time::ptime& modification_time, + const uint64_t modification_id) const { + db::AuditEntryCollection filtered_entries; + + // Use the index which orders the audit entries by timestamps. + const auto& index = audit_entries_.get<AuditEntryModificationTimeIdTag>(); + + // Locate the first audit entry after the last one having the + // specified modification time and id. + auto modification = boost::make_tuple(modification_time, modification_id); + auto first_entry = index.upper_bound(modification); + + // If there are any entries found return them. + if (first_entry != index.end()) { + filtered_entries.insert(first_entry, index.end()); + } + + return (filtered_entries); + } + + /// @brief Add audit entry to the backend. + /// + /// @param object_type Object type to be stored in the audit entry. + /// @param object_id Object id to be stored in the audit entry. + /// @param modification_time Audit entry modification time to be set. + /// @param modification_id Audit entry modification id to be set. + void addAuditEntry(const ServerSelector&, + const std::string& object_type, + const uint64_t object_id, + const boost::posix_time::ptime& modification_time, + const uint64_t modification_id) { + // Create new audit entry from the specified parameters. + AuditEntryPtr audit_entry(new AuditEntry(object_type, + object_id, + AuditEntry::ModificationType::CREATE, + modification_time, + modification_id, + "added audit entry")); + + // The audit entries are held in the static variable so as they + // don't disappear when we diconnect from the backend. The + // audit entries are explicitly cleared during the unit tests + // setup. + audit_entries_.insert(audit_entry); + } + + /// @brief Returns backend type in the textual format. + /// + /// @return Name of the storage for configurations, e.g. "mysql", + /// "pgsql" and so forth. + virtual std::string getType() const { + return ("memfile"); + } + + /// @brief Returns backend host + /// + /// This is used by the @c BaseConfigBackendPool to select backend + /// when @c BackendSelector is specified. + /// + /// @return host on which the database is located. + virtual std::string getHost() const { + return (""); + } + + /// @brief Returns backend port number. + /// + /// This is used by the @c BaseConfigBackendPool to select backend + /// when @c BackendSelector is specified. + /// + /// @return Port number on which database service is available. + virtual uint16_t getPort() const { + return (0); + } + + /// @brief Removes audit entries. + static void clearAuditEntries() { + audit_entries_.clear(); + } + +private: + + /// @brief Static collection of audit entries. + /// + /// Thanks to storing them in the static member they are preserved + /// when the unit tests "disconnect" from the backend. + static AuditEntryCollection audit_entries_; +}; + +/// @brief Pointer to the @c CBControlBackend object. +typedef boost::shared_ptr<CBControlBackend> CBControlBackendPtr; + +AuditEntryCollection CBControlBackend::audit_entries_; + +/// @brief Implementation of the backends pool used in the +/// @c CBControlBase template class unit tests. +class CBControlBackendPool : public BaseConfigBackendPool<CBControlBackend> { +public: + + /// @brief Add audit entry to the backend. + /// + /// @param backend_selector Backend selector. + /// @param server_selector Server selector. + /// @param object_type Object type to be stored in the audit entry. + /// @param object_id Object id to be stored in the audit entry. + /// @param modification_time Audit entry modification time to be set. + /// @param modification_id Audit entry modification id to be set. + void addAuditEntry(const BackendSelector& backend_selector, + const ServerSelector& server_selector, + const std::string& object_type, + const uint64_t object_id, + const boost::posix_time::ptime& modification_time, + const uint64_t modification_id) { + createUpdateDeleteProperty<void, const std::string&, uint64_t, + const boost::posix_time::ptime&, uint64_t> + (&CBControlBackend::addAuditEntry, backend_selector, server_selector, + object_type, object_id, modification_time, modification_id); + } + + /// @brief Retrieves the audit entries later than specified time. + /// + /// @param backend_selector Backend selector. + /// @param server_selector Server selector. + /// @param modification_time The lower bound time for which audit + /// entries should be returned. + /// @param modification_id The lower bound id for which audit + /// entries should be returned. + /// + /// @return Collection of audit entries later than specified time. + virtual db::AuditEntryCollection + getRecentAuditEntries(const BackendSelector& backend_selector, + const ServerSelector& server_selector, + const boost::posix_time::ptime& modification_time, + const uint64_t modification_id) const { + AuditEntryCollection audit_entries; + getMultiplePropertiesConst<AuditEntryCollection, const boost::posix_time::ptime&> + (&CBControlBackend::getRecentAuditEntries, backend_selector, + server_selector, audit_entries, modification_time, + modification_id); + return (audit_entries); + } +}; + +/// @brief Implementation of the config backends manager used +/// in the @c CBControlBase template class unit tests. +class CBControlBackendMgr : public BaseConfigBackendMgr<CBControlBackendPool> { +public: + + /// @brief Constructor. + CBControlBackendMgr() + : instance_id_(0) { + } + + /// @brief Returns instance of the @c CBControlBackendMgr. + /// + /// @return Reference to the instance of the @c CBControlBackendMgr. + static CBControlBackendMgr& instance() { + static CBControlBackendMgr mgr; + return (mgr); + } + + /// @brief Returns instance id. + /// + /// This value is used in tests which verify that the @c CBControlBase::getMgr + /// returns the right instance of the CB manager. + /// + /// @return Instance id. + uint32_t getInstanceId() const { + return (instance_id_); + } + + /// @brief Sets new instance id. + /// + /// @param instance_id New instance id. + void setInstanceId(const uint32_t instance_id) { + instance_id_ = instance_id; + } + + /// @brief Instance id. + uint32_t instance_id_; +}; + +/// @brief Implementation of the @c CBControlBase class used in +/// the unit tests. +/// +/// It makes some of the protected methods public. It also provides +/// means to test the behavior of the @c CBControlBase template. +class CBControl : public CBControlBase<CBControlBackendMgr> { +public: + + using CBControlBase<CBControlBackendMgr>::fetchConfigElement; + using CBControlBase<CBControlBackendMgr>::getMgr; + using CBControlBase<CBControlBackendMgr>::getInitialAuditRevisionTime; + + /// @brief Constructor. + CBControl() + : CBControlBase<CBControlBackendMgr>(), + merges_num_(0), + backend_selector_(BackendSelector::Type::MYSQL), + server_selector_(ServerSelector::UNASSIGNED()), + audit_entries_num_(-1), + enable_throw_(false) { + } + + /// @brief Implementation of the method called to fetch and apply + /// configuration from the database into the local configuration. + /// + /// This stub implementation doesn't attempt to merge any configurations + /// but merely records the values of the parameters called. + /// + /// @param backend_selector Backend selector. + /// @param server_selector Server selector. + /// @param audit_entries Collection of audit entries. + virtual void databaseConfigApply(const BackendSelector& backend_selector, + const ServerSelector& server_selector, + const boost::posix_time::ptime&, + const AuditEntryCollection& audit_entries) { + ++merges_num_; + backend_selector_ = backend_selector; + server_selector_ = server_selector; + audit_entries_num_ = static_cast<int>(audit_entries.size()); + + if (enable_throw_) { + isc_throw(Unexpected, "throwing from databaseConfigApply"); + } + } + + /// @brief Returns the number of times the @c databaseConfigApply was called. + size_t getMergesNum() const { + return (merges_num_); + } + + /// @brief Returns backend selector used as an argument in a call to + /// @c databaseConfigApply. + const BackendSelector& getBackendSelector() const { + return (backend_selector_); + } + + /// @brief Returns server selector used as an argument in a call to + /// @c databaseConfigApply. + const ServerSelector& getServerSelector() const { + return (server_selector_); + } + + /// @brief Returns the number of audit entries in the collection passed + /// to @c databaseConfigApply + int getAuditEntriesNum() const { + return (audit_entries_num_); + } + + /// @brief Returns the recorded time of last audit entry. + boost::posix_time::ptime getLastAuditRevisionTime() const { + return (last_audit_revision_time_); + } + + /// @brief Returns the recorded id of last audit entry. + uint64_t getLastAuditRevisionId() const { + return (last_audit_revision_id_); + } + + /// @brief Overwrites the last audit entry time. + /// + /// @param last_audit_revision_time New time to be set. + void setLastAuditRevisionTime(const boost::posix_time::ptime& last_audit_revision_time) { + last_audit_revision_time_ = last_audit_revision_time; + } + + /// @brief Overwrites the last audit revision id. + /// + /// @param last_audit_revision_id New id to be set. + void setLastAuditRevisionId(const uint64_t& last_audit_revision_id) { + last_audit_revision_id_ = last_audit_revision_id; + } + + /// @brief Enables the @c databaseConfigApply function to throw. + /// + /// This is useful to test scenarios when configuration merge fails. + void enableThrow() { + enable_throw_ = true; + } + +private: + + /// @brief Recorded number of calls to @c databaseConfigApply. + size_t merges_num_; + + /// @brief Recorded backend selector value. + BackendSelector backend_selector_; + + /// @brief Recorded server selector value. + ServerSelector server_selector_; + + /// @brief Recorded number of audit entries. + int audit_entries_num_; + + /// @brief Boolean value indicating if the @c databaseConfigApply should throw. + bool enable_throw_; +}; + +/// @brief Out of the blue instance id used in tests. +constexpr uint32_t TEST_INSTANCE_ID = 123; + +/// @brief Test fixture class for @c CBControlBase template class. +class CBControlBaseTest : public ::testing::Test { +public: + + /// @brief Constructor. + CBControlBaseTest() + : cb_ctl_(), mgr_(CBControlBackendMgr::instance()), + timestamps_() { + mgr_.registerBackendFactory("db1", + [](const DatabaseConnection::ParameterMap& params) + -> CBControlBackendPtr { + return (CBControlBackendPtr(new CBControlBackend(params))); + }); + mgr_.setInstanceId(TEST_INSTANCE_ID); + initTimestamps(); + CBControlBackend::clearAuditEntries(); + } + + /// @brief Destructor. + /// + /// Removes audit entries created in the test. + ~CBControlBaseTest() { + CBControlBackend::clearAuditEntries(); + } + + /// @brief Initialize posix time values used in tests. + void initTimestamps() { + // Current time minus 1 hour to make sure it is in the past. + timestamps_["today"] = boost::posix_time::second_clock::local_time() + - boost::posix_time::hours(1); + // Yesterday. + timestamps_["yesterday"] = timestamps_["today"] - boost::posix_time::hours(24); + // Two days ago. + timestamps_["two days ago"] = timestamps_["today"] - boost::posix_time::hours(48); + // Tomorrow. + timestamps_["tomorrow"] = timestamps_["today"] + boost::posix_time::hours(24); + } + + /// @brief Creates an instance of the configuration object. + /// + /// @param db1_access Database access string to be used to connect to + /// the test configuration backend. It doesn't connect if the string + /// is empty. + ConfigPtr makeConfigBase(const std::string& db1_access = "") const { + ConfigControlInfoPtr config_ctl_info(new ConfigControlInfo()); + + if (!db1_access.empty()) { + config_ctl_info->addConfigDatabase(db1_access); + } + + ConfigPtr config_base(new ConfigBase()); + + config_base->setConfigControlInfo(config_ctl_info); + return (config_base); + } + + /// @brief Instance of the @c CBControl used in tests. + CBControl cb_ctl_; + + /// @brief Instance of the Config Backend Manager. + CBControlBackendMgr& mgr_; + + /// @brief Holds timestamp values used in tests. + std::map<std::string, boost::posix_time::ptime> timestamps_; +}; + +// This test verifies that the same instance of the Config +// Backend Manager is returned all the time. +TEST_F(CBControlBaseTest, getMgr) { + auto mgr = cb_ctl_.getMgr(); + EXPECT_EQ(TEST_INSTANCE_ID, mgr.getInstanceId()); +} + +// This test verifies that the initial audit revision time is set to +// local time of 2000-01-01. +TEST_F(CBControlBaseTest, getInitialAuditRevisionTime) { + auto initial_time = cb_ctl_.getInitialAuditRevisionTime(); + ASSERT_FALSE(initial_time.is_not_a_date_time()); + auto tm = boost::posix_time::to_tm(initial_time); + EXPECT_EQ(100, tm.tm_year); + EXPECT_EQ(0, tm.tm_mon); + EXPECT_EQ(0, tm.tm_yday); + EXPECT_EQ(0, tm.tm_hour); + EXPECT_EQ(0, tm.tm_min); + EXPECT_EQ(0, tm.tm_sec); +} + +// This test verifies that last audit entry time is reset upon the +// call to CBControlBase::reset(). +TEST_F(CBControlBaseTest, reset) { + cb_ctl_.setLastAuditRevisionTime(timestamps_["tomorrow"]); + cb_ctl_.reset(); + EXPECT_EQ(cb_ctl_.getInitialAuditRevisionTime(), cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(0, cb_ctl_.getLastAuditRevisionId()); +} + +// This test verifies that it is correctly determined what entries the +// server should fetch for the particular configuration element. +TEST_F(CBControlBaseTest, fetchConfigElement) { + db::AuditEntryCollection audit_entries; + db::AuditEntryCollection updated; + // When audit entries collection is empty any subset is empty too. + updated = cb_ctl_.fetchConfigElement(audit_entries, "my_object_type"); + EXPECT_TRUE(updated.empty()); + + // Now test the case that there is a DELETE audit entry. In this case + // our function should indicate that the configuration should not be + // fetched for the given object type. Note that when the configuration + // element is deleted, it no longer exists in database so there is + // no reason to fetch the data from the database. + AuditEntryPtr audit_entry(new AuditEntry("dhcp4_subnet", 1234 , + AuditEntry::ModificationType::DELETE, + 2345, "added audit entry")); + audit_entries.insert(audit_entry); + updated = cb_ctl_.fetchConfigElement(audit_entries, "my_object_type"); + EXPECT_TRUE(updated.empty()); + EXPECT_TRUE(hasObjectId(audit_entries, 1234)); + EXPECT_FALSE(hasObjectId(audit_entries, 5678)); + EXPECT_FALSE(hasObjectId(updated, 1234)); + + // Add another audit entry which indicates creation of the configuration element. + // This time we should get it. + audit_entry.reset(new AuditEntry("my_object_type", 5678, + AuditEntry::ModificationType::CREATE, + 6789, "added audit entry")); + audit_entries.insert(audit_entry); + updated = cb_ctl_.fetchConfigElement(audit_entries, "my_object_type"); + ASSERT_EQ(1, updated.size()); + AuditEntryPtr updated_entry = (*updated.begin()); + ASSERT_TRUE(updated_entry); + EXPECT_EQ("my_object_type", updated_entry->getObjectType()); + EXPECT_EQ(5678, updated_entry->getObjectId()); + EXPECT_EQ(AuditEntry::ModificationType::CREATE, updated_entry->getModificationType()); + EXPECT_TRUE(hasObjectId(audit_entries, 5678)); + EXPECT_TRUE(hasObjectId(updated, 5678)); + EXPECT_FALSE(hasObjectId(updated, 1234)); + + // Also we should get 'true' for the UPDATE case. + audit_entry.reset(new AuditEntry("my_object_type", + 5678, AuditEntry::ModificationType::UPDATE, + 6790, "added audit entry")); + audit_entries.insert(audit_entry); + updated = cb_ctl_.fetchConfigElement(audit_entries, "my_object_type"); + EXPECT_EQ(2, updated.size()); + bool saw_create = false; + bool saw_update = false; + for (auto entry : updated) { + EXPECT_EQ("my_object_type", entry->getObjectType()); + EXPECT_EQ(5678, entry->getObjectId()); + if (AuditEntry::ModificationType::CREATE == entry->getModificationType()) { + EXPECT_FALSE(saw_create); + saw_create = true; + } else if (AuditEntry::ModificationType::UPDATE == entry->getModificationType()) { + EXPECT_FALSE(saw_update); + saw_update = true; + } + } + EXPECT_TRUE(saw_create); + EXPECT_TRUE(saw_update); + EXPECT_TRUE(hasObjectId(updated, 5678)); + EXPECT_FALSE(hasObjectId(updated, 1234)); +} + +// This test verifies that true is return when the server successfully +// connects to the backend and false if there are no backends to connect +// to. +TEST_F(CBControlBaseTest, connect) { + EXPECT_TRUE(cb_ctl_.databaseConfigConnect(makeConfigBase("type=db1"))); + EXPECT_FALSE(cb_ctl_.databaseConfigConnect(makeConfigBase())); +} + +// This test verifies the scenario when the server fetches the entire +// configuration from the database upon startup. +TEST_F(CBControlBaseTest, fetchAll) { + auto config_base = makeConfigBase("type=db1"); + + // Add two audit entries to the database. The server should load + // the entire configuration from the database regardless of the + // existing audit entries. However, the last audit entry timestamp + // should be set to the most recent audit entry in the + // @c CBControlBase. + ASSERT_TRUE(cb_ctl_.databaseConfigConnect(config_base)); + + cb_ctl_.getMgr().getPool()->addAuditEntry(BackendSelector::UNSPEC(), + ServerSelector::ALL(), + "sql_table_2", + 1234, + timestamps_["yesterday"], + 2345); + + cb_ctl_.getMgr().getPool()->addAuditEntry(BackendSelector::UNSPEC(), + ServerSelector::ALL(), + "sql_table_1", + 3456, + timestamps_["today"], + 4567); + + // Disconnect from the database in order to check that the + // databaseConfigFetch reconnects. + ASSERT_NO_THROW(cb_ctl_.databaseConfigDisconnect()); + + // Verify that various indicators are set to their initial values. + ASSERT_EQ(0, cb_ctl_.getMergesNum()); + ASSERT_EQ(BackendSelector::Type::MYSQL, cb_ctl_.getBackendSelector().getBackendType()); + ASSERT_EQ(ServerSelector::Type::UNASSIGNED, cb_ctl_.getServerSelector().getType()); + ASSERT_EQ(-1, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(cb_ctl_.getInitialAuditRevisionTime(), cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(0, cb_ctl_.getLastAuditRevisionId()); + + // Connect to the database and fetch the configuration. + ASSERT_NO_THROW(cb_ctl_.databaseConfigFetch(config_base)); + + // There should be one invocation of the databaseConfigApply. + ASSERT_EQ(1, cb_ctl_.getMergesNum()); + // Since this is full reconfiguration the audit entry collection + // passed to the databaseConfigApply should be empty. + EXPECT_EQ(0, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(BackendSelector::Type::UNSPEC, cb_ctl_.getBackendSelector().getBackendType()); + EXPECT_EQ(ServerSelector::Type::ALL, cb_ctl_.getServerSelector().getType()); + // Make sure that the internal timestamp is set to the most recent + // audit entry, so as the server will only later fetch config + // updates after this timestamp. + EXPECT_EQ(timestamps_["today"], cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(4567, cb_ctl_.getLastAuditRevisionId()); +} + +// This test verifies that the configuration can be fetched for a +// specified server tag. +TEST_F(CBControlBaseTest, fetchFromServer) { + auto config_base = makeConfigBase("type=db1"); + // Set a server tag. + config_base->setServerTag("a-tag"); + + // Verify that various indicators are set to their initial values. + ASSERT_EQ(0, cb_ctl_.getMergesNum()); + ASSERT_EQ(BackendSelector::Type::MYSQL, cb_ctl_.getBackendSelector().getBackendType()); + ASSERT_EQ(ServerSelector::Type::UNASSIGNED, cb_ctl_.getServerSelector().getType()); + ASSERT_EQ(-1, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(cb_ctl_.getInitialAuditRevisionTime(), cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(0, cb_ctl_.getLastAuditRevisionId()); + + ASSERT_NO_THROW(cb_ctl_.databaseConfigFetch(config_base)); + + ASSERT_EQ(1, cb_ctl_.getMergesNum()); + EXPECT_EQ(0, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(BackendSelector::Type::UNSPEC, cb_ctl_.getBackendSelector().getBackendType()); + // An explicit server selector should have been used this time. + ASSERT_EQ(ServerSelector::Type::SUBSET, cb_ctl_.getServerSelector().getType()); + EXPECT_EQ(cb_ctl_.getInitialAuditRevisionTime(), cb_ctl_.getLastAuditRevisionTime()); + + // Make sure that the server selector used in databaseConfigFetch is + // correct. + auto tags = cb_ctl_.getServerSelector().getTags(); + ASSERT_EQ(1, tags.size()); + EXPECT_EQ("a-tag", tags.begin()->get()); +} + +// This test verifies that incremental configuration changes can be +// fetched. +TEST_F(CBControlBaseTest, fetchUpdates) { + auto config_base = makeConfigBase("type=db1"); + + // Connect to the database and store an audit entry. Do not close + // the database connection to simulate the case when the server + // uses existing connection to fetch configuration updates. + ASSERT_TRUE(cb_ctl_.databaseConfigConnect(config_base)); + cb_ctl_.getMgr().getPool()->addAuditEntry(BackendSelector::UNSPEC(), + ServerSelector::ALL(), + "sql_table_1", + 3456, + timestamps_["today"], + 4567); + + // Verify that various indicators are set to their initial values. + ASSERT_EQ(0, cb_ctl_.getMergesNum()); + ASSERT_EQ(BackendSelector::Type::MYSQL, cb_ctl_.getBackendSelector().getBackendType()); + ASSERT_EQ(ServerSelector::Type::UNASSIGNED, cb_ctl_.getServerSelector().getType()); + ASSERT_EQ(-1, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(cb_ctl_.getInitialAuditRevisionTime(), cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(0, cb_ctl_.getLastAuditRevisionId()); + + ASSERT_NO_THROW(cb_ctl_.databaseConfigFetch(config_base, + CBControl::FetchMode::FETCH_UPDATE)); + + // There should be one invocation to databaseConfigApply recorded. + ASSERT_EQ(1, cb_ctl_.getMergesNum()); + // The number of audit entries passed to this function should be 1. + EXPECT_EQ(1, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(BackendSelector::Type::UNSPEC, cb_ctl_.getBackendSelector().getBackendType()); + EXPECT_EQ(ServerSelector::Type::ALL, cb_ctl_.getServerSelector().getType()); + // The last audit entry time should be set to the latest audit entry. + EXPECT_EQ(timestamps_["today"], cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(4567, cb_ctl_.getLastAuditRevisionId()); +} + +// Check that the databaseConfigApply function is not called when there +// are no more unprocessed audit entries. +TEST_F(CBControlBaseTest, fetchNoUpdates) { + auto config_base = makeConfigBase("type=db1"); + + // Set last audit entry time to the timestamp of the audit + // entry we are going to add. That means that there will be + // no new audit entries to fetch. + cb_ctl_.setLastAuditRevisionTime(timestamps_["yesterday"]); + cb_ctl_.setLastAuditRevisionId(4567); + + ASSERT_TRUE(cb_ctl_.databaseConfigConnect(config_base)); + + cb_ctl_.getMgr().getPool()->addAuditEntry(BackendSelector::UNSPEC(), + ServerSelector::ALL(), + "sql_table_1", + 3456, + timestamps_["yesterday"], + 4567); + + ASSERT_EQ(0, cb_ctl_.getMergesNum()); + + ASSERT_NO_THROW(cb_ctl_.databaseConfigFetch(config_base, + CBControl::FetchMode::FETCH_UPDATE)); + + // The databaseConfigApply should not be called because there are + // no new audit entires to process. + ASSERT_EQ(0, cb_ctl_.getMergesNum()); +} + +// This test verifies that database config fetch failures are handled +// gracefully. +TEST_F(CBControlBaseTest, fetchFailure) { + auto config_base = makeConfigBase("type=db1"); + + // Connect to the database and store an audit entry. Do not close + // the database connection to simulate the case when the server + // uses existing connection to fetch configuration updates. + ASSERT_TRUE(cb_ctl_.databaseConfigConnect(config_base)); + cb_ctl_.getMgr().getPool()->addAuditEntry(BackendSelector::UNSPEC(), + ServerSelector::ALL(), + "sql_table_1", + 3456, + timestamps_["today"], + 4567); + + // Configure the CBControl to always throw simulating the failure + // during configuration merge. + cb_ctl_.enableThrow(); + + // Verify that various indicators are set to their initial values. + ASSERT_EQ(0, cb_ctl_.getMergesNum()); + ASSERT_EQ(BackendSelector::Type::MYSQL, cb_ctl_.getBackendSelector().getBackendType()); + ASSERT_EQ(ServerSelector::Type::UNASSIGNED, cb_ctl_.getServerSelector().getType()); + ASSERT_EQ(-1, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(cb_ctl_.getInitialAuditRevisionTime(), cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(0, cb_ctl_.getLastAuditRevisionId()); + + ASSERT_THROW(cb_ctl_.databaseConfigFetch(config_base, CBControl::FetchMode::FETCH_UPDATE), + isc::Unexpected); + + // There should be one invocation to databaseConfigApply recorded. + ASSERT_EQ(1, cb_ctl_.getMergesNum()); + // The number of audit entries passed to this function should be 1. + EXPECT_EQ(1, cb_ctl_.getAuditEntriesNum()); + EXPECT_EQ(BackendSelector::Type::UNSPEC, cb_ctl_.getBackendSelector().getBackendType()); + EXPECT_EQ(ServerSelector::Type::ALL, cb_ctl_.getServerSelector().getType()); + // The last audit entry time should not be modified because there was a merge + // error. + EXPECT_EQ(cb_ctl_.getInitialAuditRevisionTime(), cb_ctl_.getLastAuditRevisionTime()); + EXPECT_EQ(0, cb_ctl_.getLastAuditRevisionId()); +} + +} diff --git a/src/lib/process/tests/config_base_unittests.cc b/src/lib/process/tests/config_base_unittests.cc new file mode 100644 index 0000000..cec4582 --- /dev/null +++ b/src/lib/process/tests/config_base_unittests.cc @@ -0,0 +1,230 @@ +// Copyright (C) 2018-2019 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <exceptions/exceptions.h> +#include <process/config_base.h> +#include <util/optional.h> + +#include <gtest/gtest.h> + +using namespace isc; +using namespace isc::process; +using namespace isc::util; + +/// @brief Derived ConfigBase class +/// We use this derivation to test the +/// copy and equality functions. +class ConfigBaseImpl : public ConfigBase { +public: + void + copy(ConfigBaseImpl& other) const { + ConfigBase::copy(other); + } +}; + +// Verifies construction, copy, and equality of +// ConfigBase with respect to ConfigControInfo. +TEST(ConfigBase, configControlInfoTests) { + + // Create a control info instance + ConfigControlInfoPtr ctl_info1(new ConfigControlInfo()); + ctl_info1->addConfigDatabase("type=mysql host=example.com"); + ctl_info1->addConfigDatabase("type=mysql host=example2.com"); + + // Create a ConfigBase + ConfigBaseImpl base1; + base1.setConfigControlInfo(ctl_info1); + + // Clone the ConfigBase + ConfigBaseImpl base2; + base1.copy(base2); + + // They should be equal. + EXPECT_TRUE(base1.equals(base2)); + + // Reset control info for one of them. + base1.setConfigControlInfo(ConfigControlInfoPtr()); + + // They should not be equal. + EXPECT_FALSE(base1.equals(base2)); + + // Reset control info for the other one. + base2.setConfigControlInfo(ConfigControlInfoPtr()); + + // They should be equal again. + EXPECT_TRUE(base1.equals(base2)); +} + +// Verifies that logging information can be merged to another. +TEST(ConfigBase, mergeLoggingInfo) { + // Create first logging info. + LoggingInfo log_info1; + log_info1.name_ = "foo"; + + // Create second logging info. + LoggingInfo log_info2; + log_info2.name_ = "bar"; + + // Create first config base instance. + ConfigBaseImpl base1; + base1.addLoggingInfo(log_info1); + + // Copy the first instance to keep it as reference. + ConfigBaseImpl base1_copy; + base1_copy.copy(base1); + + // Create second config base instance. + ConfigBaseImpl base2; + ASSERT_NO_THROW(base1.merge(base2)); + EXPECT_TRUE(base1.equals(base1_copy)); + + // Set some data for the second config. + base2.addLoggingInfo(log_info2); + + // This time the merge should replace the original config. + ASSERT_NO_THROW(base1.merge(base2)); + EXPECT_TRUE(base1.equals(base2)); +} + +// Verifies that config control can be merged to another. +TEST(ConfigBase, mergeConfigControl) { + // Create first config control info. + ConfigControlInfoPtr ctl_info1(new ConfigControlInfo()); + ctl_info1->addConfigDatabase("type=mysql host=example.com"); + ctl_info1->addConfigDatabase("type=mysql host=example2.com"); + + // Create second config control info. + ConfigControlInfoPtr ctl_info2(new ConfigControlInfo()); + ctl_info2->addConfigDatabase("type=pgsql host=example.com"); + ctl_info2->addConfigDatabase("type=pgsql host=example2.com"); + + // Create first config base instance. + ConfigBaseImpl base1; + base1.setConfigControlInfo(ctl_info1); + + // Copy the first instance to keep it as reference. + ConfigBaseImpl base1_copy; + base1_copy.copy(base1); + + // Create second config base instance. + ConfigBaseImpl base2; + + // Merged base is empty, so the original should be preserved. + ASSERT_NO_THROW(base1.merge(base2)); + EXPECT_TRUE(base1.equals(base1_copy)); + + // Set some data for the second config. + base2.setConfigControlInfo(ctl_info2); + + // This time the merge should replace the original config. + ASSERT_NO_THROW(base1.merge(base2)); + EXPECT_TRUE(base1.equals(base2)); +} + +// Verifies that server-tag may be configured. +TEST(ConfigBase, serverTag) { + ConfigBaseImpl conf; + + // Check that the default is an unspecified and empty string. + EXPECT_TRUE(conf.getServerTag().unspecified()); + EXPECT_TRUE(conf.getServerTag().empty()); + + // Check that it can be modified. + conf.setServerTag("boo"); + EXPECT_FALSE(conf.getServerTag().unspecified()); + EXPECT_EQ("boo", conf.getServerTag().get()); +} + +// Verifies that server tag can be merged to another config. +TEST(ConfigBase, mergeServerTag) { + ConfigBaseImpl base1; + ConfigBaseImpl base2; + + // Initially the server tags in both config should be + // unspecified. + EXPECT_TRUE(base1.getServerTag().unspecified()); + EXPECT_TRUE(base2.getServerTag().unspecified()); + + // Merging the config with unspecified server tag should + // not modify the target config. + ASSERT_NO_THROW(base1.merge(base2)); + EXPECT_TRUE(base1.getServerTag().unspecified()); + EXPECT_TRUE(base2.getServerTag().unspecified()); + + // Set server tag for base2 and merge it. + base2.setServerTag(std::string("base2")); + ASSERT_NO_THROW(base1.merge(base2)); + + // The server tag should be copied into the base1. Both + // should now be unspecified. + EXPECT_FALSE(base1.getServerTag().unspecified()); + EXPECT_FALSE(base2.getServerTag().unspecified()); + + // They should also hold the same value. + EXPECT_EQ("base2", base1.getServerTag().get()); + EXPECT_EQ("base2", base2.getServerTag().get()); + + // Reset the server tag to unspecified. + base2.setServerTag(Optional<std::string>()); + EXPECT_FALSE(base1.getServerTag().unspecified()); + EXPECT_TRUE(base2.getServerTag().unspecified()); + + // Merging the config with unspecified server tag should + // result in no change in the target config. + ASSERT_NO_THROW(base1.merge(base2)); + EXPECT_FALSE(base1.getServerTag().unspecified()); + EXPECT_TRUE(base2.getServerTag().unspecified()); + + // The server tag should remain the same. + EXPECT_EQ("base2", base1.getServerTag().get()); + + // Set the explicit server tag in the source config. + base2.setServerTag("new-base2"); + + // Merge again. + ASSERT_NO_THROW(base1.merge(base2)); + + // The new value should be stored in the target config, so + // both should be specified and have the same value. + EXPECT_FALSE(base1.getServerTag().unspecified()); + EXPECT_FALSE(base2.getServerTag().unspecified()); + EXPECT_EQ("new-base2", base1.getServerTag().get()); + EXPECT_EQ("new-base2", base2.getServerTag().get()); +} + +// Verifies that server tag can be copied to another config. +TEST(ConfigBase, copyServerTag) { + ConfigBaseImpl base1; + ConfigBaseImpl base2; + + // Set server tag for the base2. + base2.setServerTag(std::string("base2")); + + // The base1 has server tag unspecified. Copying it to the + // base2 should result in unspecified server tag in base2. + ASSERT_NO_THROW(base1.copy(base2)); + EXPECT_TRUE(base2.getServerTag().unspecified()); + + // Set server tag for base1 and copy it to base2. + base1.setServerTag(std::string("base1")); + ASSERT_NO_THROW(base1.copy(base2)); + + // The base2 should now hold the value from base1. + EXPECT_FALSE(base2.getServerTag().unspecified()); + EXPECT_EQ("base1", base2.getServerTag().get()); + + // Set base1 value to a different value. + base1.setServerTag(std::string("new-base1")); + + // Copy again. + ASSERT_NO_THROW(base1.copy(base2)); + + // It should override the value in the base2. + EXPECT_FALSE(base2.getServerTag().unspecified()); + EXPECT_EQ("new-base1", base2.getServerTag().get()); +} diff --git a/src/lib/process/tests/config_ctl_info_unittests.cc b/src/lib/process/tests/config_ctl_info_unittests.cc new file mode 100644 index 0000000..7c78014 --- /dev/null +++ b/src/lib/process/tests/config_ctl_info_unittests.cc @@ -0,0 +1,180 @@ +// Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <process/config_ctl_info.h> +#include <exceptions/exceptions.h> + +#include <gtest/gtest.h> + +#include <sstream> +#include <iostream> + +using namespace isc::process; +using namespace isc::data; +using namespace isc::util; + +// Verifies initializing via an access string and unparsing into elements +// We just test basic unparsing, as more rigorous testing is done in +// libkea-db testing which ConfigDBInfo uses. +TEST(ConfigDbInfo, basicOperation) { + ConfigDbInfo db; + std::string access = "type=mysql user=tom password=terrific"; + std::string redacted_access = "password=***** type=mysql user=tom"; + std::string access_json = "{\n" + " \"type\":\"mysql\", \n" + " \"user\":\"tom\", \n" + " \"password\":\"terrific\" \n" + "} \n"; + + // Convert the above configuration into Elements for comparison. + ElementPtr exp_elems; + ASSERT_NO_THROW(exp_elems = Element::fromJSON(access_json)) + << "test is broken"; + + // Initialize the db from an the access string + db.setAccessString(access); + EXPECT_EQ(access, db.getAccessString()); + + EXPECT_EQ(redacted_access, db.redactedAccessString()); + + // Convert the db into Elements and make sure they are as expected. + ElementPtr db_elems; + ASSERT_NO_THROW(db_elems = db.toElement()); + EXPECT_TRUE(db_elems->equals(*exp_elems)); +} + +// Verify that db parameter values may be retrieved. +TEST(ConfigDbInfo, getParameterValue) { + ConfigDbInfo db1; + std::string access1 = "type=mysql name=keatest port=33 readonly=false"; + db1.setAccessString(access1); + + std::string value; + bool found = false; + + // Should find "type" + ASSERT_NO_THROW(found = db1.getParameterValue("type", value)); + EXPECT_TRUE(found); + EXPECT_EQ("mysql", value); + + // Should find "name" + ASSERT_NO_THROW(found = db1.getParameterValue("name", value)); + EXPECT_TRUE(found); + EXPECT_EQ("keatest", value); + + // Should find "port" + ASSERT_NO_THROW(found = db1.getParameterValue("port", value)); + EXPECT_TRUE(found); + EXPECT_EQ("33", value); + + // Should find "readonly" + ASSERT_NO_THROW(found = db1.getParameterValue("readonly", value)); + EXPECT_TRUE(found); + EXPECT_EQ("false", value); + + // Should not find "bogus" + ASSERT_NO_THROW(found = db1.getParameterValue("bogus", value)); + EXPECT_FALSE(found); +} + +// Verify that db equality operators work correctly. +TEST(ConfigDbInfo, equalityOperators) { + ConfigDbInfo db1; + std::string access1 = "type=mysql user=tom password=terrific"; + ASSERT_NO_THROW(db1.setAccessString(access1)); + + ConfigDbInfo db2; + std::string access2 = "type=postgresql user=tom password=terrific"; + ASSERT_NO_THROW(db2.setAccessString(access2)); + + // Verify that the two unequal dbs are in fact not equal. + EXPECT_FALSE(db1.equals(db2)); + EXPECT_FALSE(db1 == db2); + EXPECT_TRUE(db1 != db2); + + // Verify that the two equal dbs are in fact equal. + db2.setAccessString(access1); + EXPECT_TRUE(db1.equals(db2)); + EXPECT_TRUE(db1 == db2); + EXPECT_FALSE(db1 != db2); +} + +// Verifies the basic operations of ConfigControlInfo +TEST(ConfigControlInfo, basicOperation) { + + ConfigControlInfo ctl; + // We should have no dbs in the list. + EXPECT_EQ(0, ctl.getConfigDatabases().size()); + // The default fetch time is 30 and it is unspecified. + EXPECT_TRUE(ctl.getConfigFetchWaitTime().unspecified()); + EXPECT_EQ(30, ctl.getConfigFetchWaitTime().get()); + + // Override the default fetch time. + ctl.setConfigFetchWaitTime(Optional<uint16_t>(123)); + EXPECT_EQ(123, ctl.getConfigFetchWaitTime().get()); + + // We should be able to add two distinct, valid dbs + std::string access_str1 = "type=mysql host=machine1.org"; + ASSERT_NO_THROW(ctl.addConfigDatabase(access_str1)); + + std::string access_str2 = "type=postgresql host=machine2.org"; + ASSERT_NO_THROW(ctl.addConfigDatabase(access_str2)); + + // We should fail on a duplicate db. + ASSERT_THROW(ctl.addConfigDatabase(access_str1), isc::BadValue); + + // We should have two dbs in the list. + const ConfigDbInfoList& db_list = ctl.getConfigDatabases(); + EXPECT_EQ(2, db_list.size()); + + // Verify the dbs in the list are as we expect them to be. + EXPECT_EQ (access_str1, db_list[0].getAccessString()); + EXPECT_EQ (access_str2, db_list[1].getAccessString()); + + // Verify we can find dbs based on a property values. + const ConfigDbInfo& db_info = ctl.findConfigDb("type", "mysql"); + EXPECT_FALSE(db_info == ConfigControlInfo::EMPTY_DB()); + EXPECT_EQ (access_str1, db_info.getAccessString()); + + const ConfigDbInfo& db_info2 = ctl.findConfigDb("host", "machine2.org"); + EXPECT_FALSE(db_info2 == ConfigControlInfo::EMPTY_DB()); + EXPECT_EQ (access_str2, db_info2.getAccessString()); + + // Verify not finding a db returns EMPTY_DB(). + const ConfigDbInfo& db_info3 = ctl.findConfigDb("type", "bogus"); + EXPECT_TRUE(db_info3 == ConfigControlInfo::EMPTY_DB()); + + // Verify we can clear the list of dbs and the fetch time. + ctl.clear(); + EXPECT_EQ(0, ctl.getConfigDatabases().size()); + EXPECT_TRUE(ctl.getConfigFetchWaitTime().unspecified()); + EXPECT_EQ(30, ctl.getConfigFetchWaitTime().get()); +} + +// Verifies the copy ctor and equality functions ConfigControlInfo +TEST(ConfigControlInfo, copyAndEquality) { + + // Make an instance with two dbs. + ConfigControlInfo ctl1; + ASSERT_NO_THROW(ctl1.addConfigDatabase("type=mysql host=mach1.org")); + ASSERT_NO_THROW(ctl1.addConfigDatabase("type=postgresql host=mach2.org")); + ctl1.setConfigFetchWaitTime(Optional<uint16_t>(123)); + + // Clone that instance. + ConfigControlInfo ctl2(ctl1); + + // They should be equal. + EXPECT_TRUE(ctl1.equals(ctl2)); + + // Make a third instance with a different db. + ConfigControlInfo ctl3; + ASSERT_NO_THROW(ctl1.addConfigDatabase("type=mysql host=other.org")); + + // They should not equal. + EXPECT_FALSE(ctl3.equals(ctl1)); +} + diff --git a/src/lib/process/tests/config_ctl_parser_unittests.cc b/src/lib/process/tests/config_ctl_parser_unittests.cc new file mode 100644 index 0000000..8e5b328 --- /dev/null +++ b/src/lib/process/tests/config_ctl_parser_unittests.cc @@ -0,0 +1,102 @@ +// Copyright (C) 2018-2019 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <cc/dhcp_config_error.h> +#include <process/config_ctl_parser.h> +#include <exceptions/exceptions.h> + +#include <gtest/gtest.h> + +#include <sstream> +#include <iostream> + +using namespace isc::process; +using namespace isc::data; + +// Verifies valid configurations are parsed correctly. The test +// uses round-trip comparison of configuration Elements to determine +// if parsing was correct. +TEST(ConfigCtlInfoParser, validConfigs) { + std::string configs[] = { + "{}", + + "{ \"config-databases\": [], \n" + " \"config-fetch-wait-time\": 20 \n" + "}", + + "{ \"config-databases\": [ \n" + " { \n" + " \"type\": \"mysql\", \n" + " \"user\":\"tom\", \n" + " \"password\":\"terrific\" \n" + " }, \n" + " { \n" + " \"type\": \"postgresql\",\n" + " \"user\":\"bob\", \n" + " \"password\":\"wonder\" \n" + " } \n" + "] } \n" + }; + + for (auto config : configs) { + ConfigControlParser parser; + ConfigControlInfoPtr ctl_info; + + // Turn the JSON config into Elements. + ElementPtr source_elem; + ASSERT_NO_THROW (source_elem = Element::fromJSON(config)) << + " JSON error, test is broken: " << config; + + // Parse the Elements into a ConfigControlInfo. + ASSERT_NO_THROW(ctl_info = parser.parse(source_elem)); + ASSERT_TRUE(ctl_info); + + // Turn the newly constructed info instance back into elements. + ElementPtr parsed_elem; + ASSERT_NO_THROW(parsed_elem = ctl_info->toElement()); + + // When the config is empty, ControlConfigInfo::toElement still + // generates a map with an empty db list. Replace source for + // element comparison below. + if (source_elem->size() == 0) { + ASSERT_NO_THROW (source_elem = Element::fromJSON( + "{ \"config-databases\": [] }")); + } + + // The parsed element should match the source element. + EXPECT_TRUE(parsed_elem->equals(*source_elem)) << "config: " << config; + } +} + +// Verify that invalid configurations fail to parse gracefully. +TEST(ConfigCtlInfoParser, invalidConfigs) { + // Note that configurations are must be valid JSON, but invalid logically. + std::string configs[] = { + "{ \"config-databases\": \"not_list\" }", + "{ \"config-databases\": [ \n" + " { \n" + " \"bogus\": \"param\" \n" + " } \n" + "] } \n", + "{ \"config-fetch-wait-time\": -1 }", + "{ \"config-fetch-wait-time\": 65537 }", + "{ \"config-fetch-wait-time\": \"a-string\" }", + }; + + for (auto config : configs) { + ConfigControlParser parser; + + // Turn the JSON config into Elements. + ElementPtr source_elem; + ASSERT_NO_THROW (source_elem = Element::fromJSON(config)) << + " JSON error, test is broken: " << config; + + // Parse the Elements into a ConfigControlInfo. + ASSERT_THROW(parser.parse(source_elem), isc::ConfigError) + << "config: " << config; + } +} diff --git a/src/lib/process/tests/d_cfg_mgr_unittests.cc b/src/lib/process/tests/d_cfg_mgr_unittests.cc new file mode 100644 index 0000000..faa3e92 --- /dev/null +++ b/src/lib/process/tests/d_cfg_mgr_unittests.cc @@ -0,0 +1,375 @@ +// Copyright (C) 2013-2021 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <cc/command_interpreter.h> +#include <exceptions/exceptions.h> +#include <process/testutils/d_test_stubs.h> +#include <process/d_cfg_mgr.h> +#include <process/redact_config.h> + +#include <boost/foreach.hpp> +#include <boost/date_time/posix_time/posix_time.hpp> +#include <gtest/gtest.h> + +#include <sstream> + +using namespace std; +using namespace isc; +using namespace isc::config; +using namespace isc::process; +using namespace isc::data; +using namespace boost::posix_time; + +namespace { + +/// @brief Test Class for verifying that configuration context cannot be null +/// during construction. +class DCtorTestCfgMgr : public DCfgMgrBase { +public: + /// @brief Constructor - Note that is passes in an empty configuration + /// pointer to the base class constructor. + DCtorTestCfgMgr() : DCfgMgrBase(ConfigPtr()) { + } + + /// @brief Destructor + virtual ~DCtorTestCfgMgr() { + } + + /// @brief Dummy implementation as this method is abstract. + virtual ConfigPtr createNewContext() { + return (ConfigPtr()); + } + + /// @brief Returns summary of configuration in the textual format. + virtual std::string getConfigSummary(const uint32_t) { + return (""); + } +}; + +/// @brief Test fixture class for testing DCfgMgrBase class. +/// It maintains an member instance of DStubCfgMgr and derives from +/// ConfigParseTest fixture, thus providing methods for converting JSON +/// strings to configuration element sets, checking parse results, +/// accessing the configuration context and trying to unparse. +class DStubCfgMgrTest : public ConfigParseTest { +public: + + /// @brief Constructor + DStubCfgMgrTest():cfg_mgr_(new DStubCfgMgr) { + } + + /// @brief Destructor + ~DStubCfgMgrTest() { + } + + /// @brief Convenience method which returns a DStubContextPtr to the + /// configuration context. + /// + /// @return returns a DStubContextPtr. + DStubContextPtr getStubContext() { + return (boost::dynamic_pointer_cast<DStubContext> + (cfg_mgr_->getContext())); + } + + /// @brief Configuration manager instance. + DStubCfgMgrPtr cfg_mgr_; +}; + +///@brief Tests basic construction/destruction of configuration manager. +/// Verifies that: +/// 1. Proper construction succeeds. +/// 2. Configuration context is initialized by construction. +/// 3. Destruction works properly. +/// 4. Construction with a null context is not allowed. +TEST(DCfgMgrBase, construction) { + DCfgMgrBasePtr cfg_mgr; + + // Verify that configuration manager constructions without error. + ASSERT_NO_THROW(cfg_mgr.reset(new DStubCfgMgr())); + + // Verify that the context can be retrieved and is not null. + ConfigPtr context = cfg_mgr->getContext(); + EXPECT_TRUE(context); + + // Verify that the manager can be destructed without error. + EXPECT_NO_THROW(cfg_mgr.reset()); + + // Verify that an attempt to construct a manger with a null context fails. + ASSERT_THROW(DCtorTestCfgMgr(), DCfgMgrBaseError); +} + +///@brief Tests fundamental aspects of configuration parsing. +/// Verifies that: +/// 1. A correctly formed simple configuration parses without error. +/// 2. An error building the element is handled. +/// 3. An error committing the element is handled. +/// 4. An unknown element error is handled. +TEST_F(DStubCfgMgrTest, basicParseTest) { + // Create a simple configuration. + string config = "{ \"test-value\": [] } "; + ASSERT_TRUE(fromJSON(config)); + + // Verify that we can parse a simple configuration. + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false); + EXPECT_TRUE(checkAnswer(0)); + + // Verify that we can check a simple configuration. + answer_ = cfg_mgr_->simpleParseConfig(config_set_, true); + EXPECT_TRUE(checkAnswer(0)); +} + +/// @brief Tests that element ids supported by the base class as well as those +/// added by the derived class function properly. +/// This test verifies that: +/// 1. Boolean parameters can be parsed and retrieved. +/// 2. Uint32 parameters can be parsed and retrieved. +/// 3. String parameters can be parsed and retrieved. +/// 4. Map elements can be parsed and retrieved. +/// 5. List elements can be parsed and retrieved. +/// 6. Parsing a second configuration, updates the existing context values +/// correctly. +TEST_F(DStubCfgMgrTest, simpleTypesTest) { + // Create a configuration with all of the parameters. + string config = "{ \"bool_test\": true , " + " \"uint32_test\": 77 , " + " \"string_test\": \"hmmm chewy\" , " + " \"map_test\" : {} , " + " \"list_test\": [] }"; + ASSERT_TRUE(fromJSON(config)); + + // Verify that the configuration parses without error. + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false); + ASSERT_TRUE(checkAnswer(0)); + DStubContextPtr context = getStubContext(); + ASSERT_TRUE(context); + + // Create a configuration which "updates" all of the parameter values. + string config2 = "{ \"bool_test\": false , " + " \"uint32_test\": 88 , " + " \"string_test\": \"ewww yuk!\" , " + " \"map_test2\" : {} , " + " \"list_test2\": [] }"; + ASSERT_TRUE(fromJSON(config2)); + + // Verify that the configuration parses without error. + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false); + EXPECT_TRUE(checkAnswer(0)); + context = getStubContext(); + ASSERT_TRUE(context); +} + +/// @brief Tests that the configuration context is preserved after failure +/// during parsing causes a rollback. +/// 1. Verifies configuration context rollback. +TEST_F(DStubCfgMgrTest, rollBackTest) { + // Create a configuration with all of the parameters. + string config = "{ \"bool_test\": true , " + " \"uint32_test\": 77 , " + " \"string_test\": \"hmmm chewy\" , " + " \"map_test\" : {} , " + " \"list_test\": [] }"; + ASSERT_TRUE(fromJSON(config)); + + // Verify that the configuration parses without error. + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false); + EXPECT_TRUE(checkAnswer(0)); + DStubContextPtr context = getStubContext(); + ASSERT_TRUE(context); + + // Create a configuration which "updates" all of the parameter values + // plus one unknown at the end. + string config2 = "{ \"bool_test\": false , " + " \"uint32_test\": 88 , " + " \"string_test\": \"ewww yuk!\" , " + " \"map_test2\" : {} , " + " \"list_test2\": [] , " + " \"zeta_unknown\": 33 } "; + ASSERT_TRUE(fromJSON(config2)); +} + +/// @brief Tests that the configuration context is preserved during +/// check only parsing. +TEST_F(DStubCfgMgrTest, checkOnly) { + // Create a configuration with all of the parameters. + string config = "{ \"bool_test\": true , " + " \"uint32_test\": 77 , " + " \"string_test\": \"hmmm chewy\" , " + " \"map_test\" : {} , " + " \"list_test\": [] }"; + ASSERT_TRUE(fromJSON(config)); + + // Verify that the configuration parses without error. + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false); + EXPECT_TRUE(checkAnswer(0)); + DStubContextPtr context = getStubContext(); + ASSERT_TRUE(context); + + + // Create a configuration which "updates" all of the parameter values. + string config2 = "{ \"bool_test\": false , " + " \"uint32_test\": 88 , " + " \"string_test\": \"ewww yuk!\" , " + " \"map_test2\" : {} , " + " \"list_test2\": [] }"; + ASSERT_TRUE(fromJSON(config2)); + + answer_ = cfg_mgr_->simpleParseConfig(config_set_, true); + EXPECT_TRUE(checkAnswer(0)); + context = getStubContext(); + ASSERT_TRUE(context); + +} + +// Tests that configuration element position is returned by getParam variants. +TEST_F(DStubCfgMgrTest, paramPosition) { + // Create a configuration with one of each scalar types. We end them + // with line feeds so we can test position value. + string config = "{ \"bool_test\": true , \n" + " \"uint32_test\": 77 , \n" + " \"string_test\": \"hmmm chewy\" }"; + ASSERT_TRUE(fromJSON(config)); + + // Verify that the configuration parses without error. + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false); + ASSERT_TRUE(checkAnswer(0)); + DStubContextPtr context = getStubContext(); + ASSERT_TRUE(context); + +} + +// This tests if some aspects of simpleParseConfig are behaving properly. +// Thorough testing is only possible for specific implementations. This +// is done for control agent (see CtrlAgentControllerTest tests in +// src/bin/agent/tests/ctrl_agent_controller_unittest.cc for example). +// Also, shell tests in src/bin/agent/ctrl_agent_process_tests.sh test +// the whole CA process that uses simpleParseConfig. The alternative +// would be to implement whole parser that would set the context +// properly. The ROI for this is not worth the effort. +TEST_F(DStubCfgMgrTest, simpleParseConfig) { + using namespace isc::data; + + // Passing just null pointer should result in error return code + answer_ = cfg_mgr_->simpleParseConfig(ConstElementPtr(), false); + EXPECT_TRUE(checkAnswer(1)); + + // Ok, now try with a dummy, but valid json code + string config = "{ \"bool_test\": true , \n" + " \"uint32_test\": 77 , \n" + " \"string_test\": \"hmmm chewy\" }"; + ASSERT_NO_THROW(fromJSON(config)); + + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false); + EXPECT_TRUE(checkAnswer(0)); +} + +// This test checks that the post configuration callback function is +// executed by the simpleParseConfig function. +TEST_F(DStubCfgMgrTest, simpleParseConfigWithCallback) { + string config = "{ \"bool_test\": true , \n" + " \"uint32_test\": 77 , \n" + " \"string_test\": \"hmmm chewy\" }"; + ASSERT_NO_THROW(fromJSON(config)); + + answer_ = cfg_mgr_->simpleParseConfig(config_set_, false, + []() { + isc_throw(Unexpected, "unexpected configuration error"); + }); + EXPECT_TRUE(checkAnswer(1)); +} + +// This test checks that redactConfig works as expected. +TEST_F(DStubCfgMgrTest, redactConfig) { + // Basic case. + string config = "{ \"foo\": 1 }"; + ConstElementPtr elem; + ASSERT_NO_THROW(elem = Element::fromJSON(config)); + ConstElementPtr ret; + ASSERT_NO_THROW(ret = redactConfig(elem)); + EXPECT_EQ(ret->str(), elem->str()); + + // Verify redaction. + config = "{ \"password\": \"foo\", \"secret\": \"bar\" }"; + ASSERT_NO_THROW(elem = Element::fromJSON(config)); + ASSERT_NO_THROW(ret = redactConfig(elem)); + string expected = "{ \"password\": \"*****\", \"secret\": \"*****\" }"; + EXPECT_EQ(expected, ret->str()); + + // Verify that user context are skipped. + config = "{ \"user-context\": { \"password\": \"foo\" } }"; + ASSERT_NO_THROW(elem = Element::fromJSON(config)); + ASSERT_NO_THROW(ret = redactConfig(elem)); + EXPECT_EQ(ret->str(), elem->str()); + + // Verify that only given subtrees are handled. + list<string> keys = { "foo" }; + config = "{ \"foo\": { \"password\": \"foo\" }, "; + config += "\"next\": { \"secret\": \"bar\" } }"; + ASSERT_NO_THROW(elem = Element::fromJSON(config)); + ASSERT_NO_THROW(ret = redactConfig(elem, keys)); + expected = "{ \"foo\": { \"password\": \"*****\" }, "; + expected += "\"next\": { \"secret\": \"bar\" } }"; + EXPECT_EQ(expected, ret->str()); +} + +// Test that user context is not touched when configuration is redacted. +TEST(RedactConfig, userContext) { + ConstElementPtr const config(Element::fromJSON(R"( + { + "some-database": { + "password": "sensitive", + "secret": "sensitive", + "user": "keatest", + "nested-map": { + "password": "sensitive", + "secret": "sensitive", + "user": "keatest" + } + }, + "user-context": { + "password": "keatest", + "secret": "keatest", + "user": "keatest", + "nested-map": { + "password": "keatest", + "secret": "keatest", + "user": "keatest" + } + } + } + )")); + ConstElementPtr const expected(Element::fromJSON(R"( + { + "some-database": { + "password": "*****", + "secret": "*****", + "user": "keatest", + "nested-map": { + "password": "*****", + "secret": "*****", + "user": "keatest" + } + }, + "user-context": { + "password": "keatest", + "secret": "keatest", + "user": "keatest", + "nested-map": { + "password": "keatest", + "secret": "keatest", + "user": "keatest" + } + } + } + )")); + ConstElementPtr redacted(redactConfig(config)); + EXPECT_TRUE(isEquivalent(redacted, expected)) + << "Actual:\n" << prettyPrint(redacted) << "\n" + "Expected:\n" << prettyPrint(expected); +} + +} // end of anonymous namespace diff --git a/src/lib/process/tests/d_controller_unittests.cc b/src/lib/process/tests/d_controller_unittests.cc new file mode 100644 index 0000000..4d7b73c --- /dev/null +++ b/src/lib/process/tests/d_controller_unittests.cc @@ -0,0 +1,470 @@ +// Copyright (C) 2013-2021 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <kea_version.h> + +#include <asiolink/testutils/timed_signal.h> +#include <cc/command_interpreter.h> +#include <process/testutils/d_test_stubs.h> + +#include <boost/date_time/posix_time/posix_time.hpp> +#include <gtest/gtest.h> + +#include <sstream> + +using namespace isc::asiolink::test; +using namespace boost::posix_time; + +namespace isc { +namespace process { + +/// @brief Test fixture class for testing DControllerBase class. This class +/// derives from DControllerTest and wraps a DStubController. DStubController +/// has been constructed to exercise DControllerBase. +class DStubControllerTest : public DControllerTest { +public: + /// @brief Constructor. + /// Note the constructor passes in the static DStubController instance + /// method. + DStubControllerTest() : DControllerTest(DStubController::instance) { + controller_ = boost::dynamic_pointer_cast<DStubController> + (DControllerTest:: + getController()); + } + + /// @brief The controller. + DStubControllerPtr controller_; +}; + +/// @brief Basic Controller instantiation testing. +/// Verifies that the controller singleton gets created and that the +/// basic derivation from the base class is intact. +TEST_F(DStubControllerTest, basicInstanceTesting) { + // Verify that the singleton exists and it is the correct type. + DControllerBasePtr& controller = DControllerTest::getController(); + ASSERT_TRUE(controller); + ASSERT_NO_THROW(boost::dynamic_pointer_cast<DStubController>(controller)); + + // Verify that controller's app name is correct. + EXPECT_TRUE(checkAppName(DStubController::stub_app_name_)); + + // Verify that controller's bin name is correct. + EXPECT_TRUE(checkBinName(DStubController::stub_bin_name_)); + + // Verify that controller's IOService exists. + EXPECT_TRUE(checkIOService()); + + // Verify that the Process does NOT exist. + EXPECT_FALSE(checkProcess()); +} + +/// @brief Tests basic command line processing. +/// Verifies that: +/// 1. Standard command line options are supported. +/// 2. Custom command line options are supported. +/// 3. Invalid options are detected. +/// 4. Extraneous command line information is detected. +TEST_F(DStubControllerTest, commandLineArgs) { + + // Verify that verbose flag is false initially. + EXPECT_TRUE(checkVerbose(false)); + + // Verify that standard options can be parsed without error. + char* argv[] = { const_cast<char*>("progName"), + const_cast<char*>("-c"), + const_cast<char*>("cfgName"), + const_cast<char*>("-d") }; + int argc = 4; + EXPECT_NO_THROW(parseArgs(argc, argv)); + + // Verify that verbose is true. + EXPECT_TRUE(checkVerbose(true)); + + // Verify configuration file name is correct + EXPECT_TRUE(checkConfigFileName("cfgName")); + + // Verify that the custom command line option is parsed without error. + char xopt[3] = "- "; + xopt[1] = *DStubController::stub_option_x_; + char* argv1[] = { const_cast<char*>("progName"), xopt}; + argc = 2; + EXPECT_NO_THROW (parseArgs(argc, argv1)); + + // Verify that an unknown option is detected. + char* argv2[] = { const_cast<char*>("progName"), + const_cast<char*>("-bs") }; + argc = 2; + EXPECT_THROW (parseArgs(argc, argv2), InvalidUsage); + + // Verify that extraneous information is detected. + char* argv3[] = { const_cast<char*>("progName"), + const_cast<char*>("extra"), + const_cast<char*>("information") }; + argc = 3; + EXPECT_THROW (parseArgs(argc, argv3), InvalidUsage); +} + +/// @brief Tests application process creation and initialization. +/// Verifies that: +/// 1. An error during process creation is handled. +/// 2. A NULL returned by process creation is handled. +/// 3. An error during process initialization is handled. +/// 4. Process can be successfully created and initialized. +TEST_F(DStubControllerTest, initProcessTesting) { + // Verify that a failure during process creation is caught. + SimFailure::set(SimFailure::ftCreateProcessException); + EXPECT_THROW(initProcess(), DControllerBaseError); + EXPECT_FALSE(checkProcess()); + + // Verify that a NULL returned by process creation is handled. + SimFailure::set(SimFailure::ftCreateProcessNull); + EXPECT_THROW(initProcess(), DControllerBaseError); + EXPECT_FALSE(checkProcess()); + + // Re-create controller, verify that we are starting clean + resetController(); + EXPECT_FALSE(checkProcess()); + + // Verify that an error during process initialization is handled. + SimFailure::set(SimFailure::ftProcessInit); + EXPECT_THROW(initProcess(), DProcessBaseError); + + // Re-create controller, verify that we are starting clean + resetController(); + EXPECT_FALSE(checkProcess()); + + // Verify that the application process can created and initialized. + ASSERT_NO_THROW(initProcess()); + EXPECT_TRUE(checkProcess()); +} + +/// @brief Tests launch handling of invalid command line. +/// This test launches with an invalid command line which should throw +/// an InvalidUsage. +TEST_F(DStubControllerTest, launchInvalidUsage) { + // Command line to run integrated + char* argv[] = { const_cast<char*>("progName"), + const_cast<char*>("-z") }; + int argc = 2; + + // Launch the controller in integrated mode. + EXPECT_THROW(launch(argc, argv), InvalidUsage); +} + +/// @brief Tests launch handling of failure in application process +/// initialization. This test launches with a valid command line but with +/// SimFailure set to fail during process creation. Launch should throw +/// ProcessInitError. +TEST_F(DStubControllerTest, launchProcessInitError) { + // Command line to run integrated + char* argv[] = { const_cast<char*>("progName"), + const_cast<char*>("-c"), + const_cast<char*>(DControllerTest::CFG_TEST_FILE), + const_cast<char*>("-d") }; + int argc = 4; + + // Launch the controller in stand alone mode. + SimFailure::set(SimFailure::ftCreateProcessException); + EXPECT_THROW(launch(argc, argv), ProcessInitError); +} + +/// @brief Tests launch and normal shutdown (stand alone mode). +/// This creates an interval timer to generate a normal shutdown and then +/// launches with a valid, command line, with a valid configuration file +/// and no simulated errors. +TEST_F(DStubControllerTest, launchNormalShutdown) { + // Write the valid, empty, config and then run launch() for 1000 ms + time_duration elapsed_time; + ASSERT_NO_THROW(runWithConfig("{}", 2000, elapsed_time)); + + // Verify that duration of the run invocation is the same as the + // timer duration. This demonstrates that the shutdown was driven + // by an io_service event and callback. + EXPECT_TRUE(elapsed_time.total_milliseconds() >= 1900 && + elapsed_time.total_milliseconds() <= 2300); +} + +/// @brief A variant of the launch and normal shutdown test using a callback. +TEST_F(DStubControllerTest, launchNormalShutdownWithCallback) { + // Write the valid, empty, config and then run launch() for 1000 ms + // Access to the internal state. + auto callback = [&] { EXPECT_FALSE(getProcess()->shouldShutdown()); }; + time_duration elapsed_time; + ASSERT_NO_THROW(runWithConfig("{}", 2000, + static_cast<const TestCallback&>(callback), + elapsed_time)); + + // Verify that duration of the run invocation is the same as the + // timer duration. This demonstrates that the shutdown was driven + // by an io_service event and callback. + EXPECT_TRUE(elapsed_time.total_milliseconds() >= 1900 && + elapsed_time.total_milliseconds() <= 2300); +} + +/// @brief Tests launch with an non-existing configuration file. +TEST_F(DStubControllerTest, nonExistingConfigFile) { + // command line to run standalone + char* argv[] = { const_cast<char*>("progName"), + const_cast<char*>("-c"), + const_cast<char*>("bogus-file"), + const_cast<char*>("-d") }; + int argc = 4; + + // Record start time, and invoke launch(). + EXPECT_THROW(launch(argc, argv), ProcessInitError); +} + +/// @brief Tests launch with configuration file argument but no file name +TEST_F(DStubControllerTest, missingConfigFileName) { + // command line to run standalone + char* argv[] = { const_cast<char*>("progName"), + const_cast<char*>("-c"), + const_cast<char*>("-d") }; + int argc = 3; + + // Record start time, and invoke launch(). + EXPECT_THROW(launch(argc, argv), ProcessInitError); +} + +/// @brief Tests launch with no configuration file argument +TEST_F(DStubControllerTest, missingConfigFileArgument) { + // command line to run standalone + char* argv[] = { const_cast<char*>("progName"), + const_cast<char*>("-d") }; + int argc = 2; + + // Record start time, and invoke launch(). + EXPECT_THROW(launch(argc, argv), LaunchError); +} + +/// @brief Tests launch with an operational error during application execution. +/// This test creates an interval timer to generate a runtime exception during +/// the process event loop. It launches with a valid, stand-alone command line +/// and no simulated errors. Launch should throw ProcessRunError. +TEST_F(DStubControllerTest, launchRuntimeError) { + // Use an asiolink IntervalTimer and callback to generate the + // shutdown invocation. (Note IntervalTimer setup is in milliseconds). + isc::asiolink::IntervalTimer timer(*getIOService()); + timer.setup(genFatalErrorCallback, 2000); + + // Write the valid, empty, config and then run launch() for 5000 ms + time_duration elapsed_time; + EXPECT_THROW(runWithConfig("{}", 5000, elapsed_time), ProcessRunError); + + // Verify that duration of the run invocation is the same as the + // timer duration. This demonstrates that the shutdown was driven + // by an io_service event and callback. + EXPECT_TRUE(elapsed_time.total_milliseconds() >= 1900 && + elapsed_time.total_milliseconds() <= 2300); +} + +/// @brief Configuration update event testing. +/// This really tests just the ability of the handlers to invoke the necessary +/// chain of methods and handle error conditions. Configuration parsing and +/// retrieval should be tested as part of the d2 configuration management +/// implementation. +/// This test verifies that: +/// 1. That a valid configuration update results in successful status return. +/// 2. That an application process error in configuration updating is handled +/// properly. +TEST_F(DStubControllerTest, configUpdateTests) { + int rcode = -1; + isc::data::ConstElementPtr answer; + + // Initialize the application process. + ASSERT_NO_THROW(initProcess()); + EXPECT_TRUE(checkProcess()); + + // Create a configuration set. Content is arbitrary, just needs to be + // valid JSON. + std::string config = "{ \"test-value\": 1000 } "; + isc::data::ElementPtr config_set = isc::data::Element::fromJSON(config); + + // Verify that a valid config gets a successful update result. + answer = updateConfig(config_set); + isc::config::parseAnswer(rcode, answer); + EXPECT_EQ(0, rcode); + + // Verify that a valid config gets a successful check result. + answer = checkConfig(config_set); + isc::config::parseAnswer(rcode, answer); + EXPECT_EQ(0, rcode); + + // Verify that an error in process configure method is handled. + SimFailure::set(SimFailure::ftProcessConfigure); + answer = updateConfig(config_set); + isc::config::parseAnswer(rcode, answer); + EXPECT_EQ(1, rcode); + + // Verify that an error is handled too when the config is checked for. + SimFailure::set(SimFailure::ftProcessConfigure); + answer = checkConfig(config_set); + isc::config::parseAnswer(rcode, answer); + EXPECT_EQ(1, rcode); +} + +// Tests that handleOtherObjects behaves as expected. +TEST_F(DStubControllerTest, handleOtherObjects) { + using namespace isc::data; + + // A bad config. + ElementPtr config = Element::createMap(); + config->set(controller_->getAppName(), Element::create(1)); + config->set("foo", Element::create(2)); + config->set("bar", Element::create(3)); + + // Check the error message. + std::string errmsg; + EXPECT_NO_THROW(errmsg = controller_->handleOtherObjects(config)); + EXPECT_EQ(" contains unsupported 'bar' parameter (and 'foo')", errmsg); + + // Retry with no error. + config = Element::createMap(); + config->set(controller_->getAppName(), Element::create(1)); + EXPECT_NO_THROW(errmsg = controller_->handleOtherObjects(config)); + EXPECT_TRUE(errmsg.empty()); +} + +// Tests that registered signals are caught and handled. +TEST_F(DStubControllerTest, ioSignals) { + // Tell test controller just to record the signals, don't call the + // base class signal handler. + controller_->recordSignalOnly(true); + + // Setup to raise SIGHUP in 10 ms. + TimedSignal sighup(*getIOService(), SIGHUP, 10); + TimedSignal sigint(*getIOService(), SIGINT, 100); + TimedSignal sigterm(*getIOService(), SIGTERM, 200); + + // Write the valid, empty, config and then run launch() for 500 ms + time_duration elapsed_time; + runWithConfig("{}", 500, elapsed_time); + + // Verify that we caught the signals as expected. + std::vector<int>& signals = controller_->getProcessedSignals(); + ASSERT_EQ(3, signals.size()); + EXPECT_EQ(SIGHUP, signals[0]); + EXPECT_EQ(SIGINT, signals[1]); + EXPECT_EQ(SIGTERM, signals[2]); +} + +// Tests that the original configuration is retained after a SIGHUP triggered +// reconfiguration fails due to invalid config content. +TEST_F(DStubControllerTest, invalidConfigReload) { + // Schedule to rewrite the configuration file after launch. This way the + // file is updated after we have done the initial configuration. The + // new content is invalid JSON which will cause the config parse to fail. + scheduleTimedWrite("{ \"string_test\": BOGUS JSON }", 100); + + // Setup to raise SIGHUP in 200 ms. + TimedSignal sighup(*getIOService(), SIGHUP, 200); + + // Write the config and then run launch() for 500 ms + // After startup, which will load the initial configuration this enters + // the process's runIO() loop. We will first rewrite the config file. + // Next we process the SIGHUP signal which should cause us to reconfigure. + time_duration elapsed_time; + runWithConfig("{ \"string_test\": \"first value\" }", 500, elapsed_time); + + // Verify that we saw the signal. + std::vector<int>& signals = controller_->getProcessedSignals(); + ASSERT_EQ(1, signals.size()); + EXPECT_EQ(SIGHUP, signals[0]); +} + +// Tests that the original configuration is retained after a SIGHUP triggered +// reconfiguration fails due to invalid config content. +TEST_F(DStubControllerTest, alternateParsing) { + controller_->useAlternateParser(true); + + // Setup to raise SIGHUP in 200 ms. + TimedSignal sighup(*getIOService(), SIGHUP, 200); + + // Write the config and then run launch() for 500 ms + // After startup, which will load the initial configuration this enters + // the process's runIO() loop. We will first rewrite the config file. + // Next we process the SIGHUP signal which should cause us to reconfigure. + time_duration elapsed_time; + runWithConfig("{ \"string_test\": \"first value\" }", 500, elapsed_time); + + // Verify that we saw the signal. + std::vector<int>& signals = controller_->getProcessedSignals(); + ASSERT_EQ(1, signals.size()); + EXPECT_EQ(SIGHUP, signals[0]); +} + +// Tests that the original configuration is replaced after a SIGHUP triggered +// reconfiguration succeeds. +TEST_F(DStubControllerTest, validConfigReload) { + // Schedule to rewrite the configuration file after launch. This way the + // file is updated after we have done the initial configuration. + scheduleTimedWrite("{ \"string_test\": \"second value\" }", 100); + + // Setup to raise SIGHUP in 200 ms and another at 400 ms. + TimedSignal sighup(*getIOService(), SIGHUP, 200); + TimedSignal sighup2(*getIOService(), SIGHUP, 400); + + // Write the config and then run launch() for 800 ms + time_duration elapsed_time; + runWithConfig("{ \"string_test\": \"first value\" }", 800, elapsed_time); + + // Verify that we saw two occurrences of the signal. + std::vector<int>& signals = controller_->getProcessedSignals(); + ASSERT_EQ(2, signals.size()); + EXPECT_EQ(SIGHUP, signals[0]); + EXPECT_EQ(SIGHUP, signals[1]); +} + +// Tests that the SIGINT triggers a normal shutdown. +TEST_F(DStubControllerTest, sigintShutdown) { + // Setup to raise SIGHUP in 1 ms. + TimedSignal sighup(*getIOService(), SIGINT, 1); + + // Write the config and then run launch() for 1000 ms + time_duration elapsed_time; + runWithConfig("{ \"string_test\": \"first value\" }", 1000, elapsed_time); + + // Verify that we saw the signal. + std::vector<int>& signals = controller_->getProcessedSignals(); + ASSERT_EQ(1, signals.size()); + EXPECT_EQ(SIGINT, signals[0]); + + // Duration should be significantly less than our max run time. + EXPECT_TRUE(elapsed_time.total_milliseconds() < 300); +} + +// Verifies that version and extended version information is correct +TEST_F(DStubControllerTest, getVersion) { + std::string text = controller_->getVersion(false); + EXPECT_EQ(text,VERSION); + + text = controller_->getVersion(true); + EXPECT_NE(std::string::npos, text.find(VERSION)); + EXPECT_NE(std::string::npos, text.find(EXTENDED_VERSION)); + EXPECT_NE(std::string::npos, text.find(controller_->getVersionAddendum())); +} + +// Tests that the SIGTERM triggers a normal shutdown. +TEST_F(DStubControllerTest, sigtermShutdown) { + // Setup to raise SIGHUP in 1 ms. + TimedSignal sighup(*getIOService(), SIGTERM, 1); + + // Write the config and then run launch() for 1000 ms + time_duration elapsed_time; + runWithConfig("{ \"string_test\": \"first value\" }", 1000, elapsed_time); + + // Verify that we saw the signal. + std::vector<int>& signals = controller_->getProcessedSignals(); + ASSERT_EQ(1, signals.size()); + EXPECT_EQ(SIGTERM, signals[0]); + + // Duration should be significantly less than our max run time. + EXPECT_TRUE(elapsed_time.total_milliseconds() < 300); +} + +}; // end of isc::process namespace +}; // end of isc namespace diff --git a/src/lib/process/tests/daemon_unittest.cc b/src/lib/process/tests/daemon_unittest.cc new file mode 100644 index 0000000..bd80e25 --- /dev/null +++ b/src/lib/process/tests/daemon_unittest.cc @@ -0,0 +1,324 @@ +// Copyright (C) 2014-2020 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <exceptions/exceptions.h> +#include <cc/data.h> +#include <process/daemon.h> +#include <process/config_base.h> +#include <process/log_parser.h> +#include <log/logger_support.h> + +#include <gtest/gtest.h> + +#include <sys/wait.h> + +using namespace isc; +using namespace isc::process; +using namespace isc::data; + +namespace isc { +namespace process { + +// @brief Derived Daemon class +class DaemonImpl : public Daemon { +public: + static std::string getVersion(bool extended); + + using Daemon::makePIDFileName; +}; + +std::string DaemonImpl::getVersion(bool extended) { + if (extended) { + return (std::string("EXTENDED")); + } else { + return (std::string("BASIC")); + } +} + +}; +}; + +namespace { + +/// @brief Daemon Test test fixture class +class DaemonTest : public ::testing::Test { +public: + /// @brief Constructor + DaemonTest() : env_copy_() { + // Take a copy of KEA_PIDFILE_DIR environment variable value + char *env_value = getenv("KEA_PIDFILE_DIR"); + if (env_value) { + env_copy_ = std::string(env_value); + } + } + + /// @brief Destructor + /// + /// As some of the tests have the side-effect of altering the logging + /// settings (when configureLogger is called), the logging is reset to + /// the default after each test completes. + ~DaemonTest() { + isc::log::setDefaultLoggingOutput(); + // Restore KEA_PIDFILE_DIR environment variable value + if (env_copy_.empty()) { + static_cast<void>(unsetenv("KEA_PIDFILE_DIR")); + } else { + static_cast<void>(setenv("KEA_PIDFILE_DIR", env_copy_.c_str(), 1)); + } + } + +private: + /// @brief copy of KEA_PIDFILE_DIR environment variable value + std::string env_copy_; +}; + + +// Very simple test. Checks whether Daemon can be instantiated and its +// default parameters are sane +TEST_F(DaemonTest, constructor) { + // Disable KEA_PIDFILE_DIR + EXPECT_EQ(0, unsetenv("KEA_PIDFILE_DIR")); + + EXPECT_NO_THROW(Daemon instance1); + + // Check only instance values. + Daemon instance2; + EXPECT_TRUE(instance2.getConfigFile().empty()); + EXPECT_EQ(std::string(DATA_DIR), instance2.getPIDFileDir()); + EXPECT_TRUE(instance2.getPIDFileName().empty()); +} + +// Verify config file accessors +TEST_F(DaemonTest, getSetConfigFile) { + Daemon instance; + + EXPECT_NO_THROW(instance.setConfigFile("test.txt")); + EXPECT_EQ("test.txt", instance.getConfigFile()); + EXPECT_NO_THROW(instance.checkConfigFile()); +} + +// Verify config file checker. +TEST_F(DaemonTest, checkConfigFile) { + Daemon instance; + + EXPECT_THROW(instance.checkConfigFile(), BadValue); + EXPECT_NO_THROW(instance.setConfigFile("/tmp/")); + EXPECT_THROW(instance.checkConfigFile(), BadValue); + EXPECT_NO_THROW(instance.setConfigFile("/tmp/test.txt")); + EXPECT_NO_THROW(instance.checkConfigFile()); +} + +// Verify process name accessors +TEST_F(DaemonTest, getSetProcName) { + Daemon instance; + + EXPECT_NO_THROW(instance.setProcName("myproc")); + EXPECT_EQ("myproc", instance.getProcName()); +} + +// Verify PID file directory name accessors +TEST_F(DaemonTest, getSetPIDFileDir) { + Daemon instance; + + EXPECT_NO_THROW(instance.setPIDFileDir("/tmp")); + EXPECT_EQ("/tmp", instance.getPIDFileDir()); +} + +// Verify PID file name accessors. +TEST_F(DaemonTest, setPIDFileName) { + Daemon instance; + + // Verify that PID file name may not be set to empty + EXPECT_THROW(instance.setPIDFileName(""), BadValue); + + EXPECT_NO_THROW(instance.setPIDFileName("myproc")); + EXPECT_EQ("myproc", instance.getPIDFileName()); + + // Verify that setPIDFileName cannot be called twice on the same instance. + EXPECT_THROW(instance.setPIDFileName("again"), InvalidOperation); +} + +// Test the getVersion() redefinition +TEST_F(DaemonTest, getVersion) { + EXPECT_THROW(Daemon::getVersion(false), NotImplemented); + + ASSERT_NO_THROW(DaemonImpl::getVersion(false)); + + EXPECT_EQ(DaemonImpl::getVersion(false), "BASIC"); + + ASSERT_NO_THROW(DaemonImpl::getVersion(true)); + + EXPECT_EQ(DaemonImpl::getVersion(true), "EXTENDED"); +} + +// Verify makePIDFileName method +TEST_F(DaemonTest, makePIDFileName) { + DaemonImpl instance; + + // Verify that config file cannot be blank + instance.setProcName("notblank"); + EXPECT_THROW(instance.makePIDFileName(), InvalidOperation); + + // Verify that proc name cannot be blank + instance.setProcName(""); + instance.setConfigFile("notblank"); + EXPECT_THROW(instance.makePIDFileName(), InvalidOperation); + + // Verify that config file must contain a file name + instance.setProcName("myproc"); + instance.setConfigFile(".txt"); + EXPECT_THROW(instance.makePIDFileName(), BadValue); + instance.setConfigFile("/tmp/"); + EXPECT_THROW(instance.makePIDFileName(), BadValue); + + // Given a valid config file name and proc name we should good to go + instance.setConfigFile("/tmp/test.conf"); + std::string name; + EXPECT_NO_THROW(name = instance.makePIDFileName()); + + // Make sure the name is as we expect + std::ostringstream stream; + stream << instance.getPIDFileDir() << "/test.myproc.pid"; + EXPECT_EQ(stream.str(), name); + + // Verify that the default directory can be overridden + instance.setPIDFileDir("/tmp"); + EXPECT_NO_THROW(name = instance.makePIDFileName()); + EXPECT_EQ("/tmp/test.myproc.pid", name); +} + +// Verifies the creation a PID file and that a pre-existing PID file +// which points to a live PID causes a throw. +TEST_F(DaemonTest, createPIDFile) { + DaemonImpl instance; + + instance.setConfigFile("test.conf"); + instance.setProcName("daemon_test"); + instance.setPIDFileDir(TEST_DATA_BUILDDIR); + + EXPECT_NO_THROW(instance.createPIDFile()); + + std::ostringstream stream; + stream << TEST_DATA_BUILDDIR << "/test.daemon_test.pid"; + EXPECT_EQ(stream.str(), instance.getPIDFileName()); + + // If we try again, we should see our own PID file and fail + EXPECT_THROW(instance.createPIDFile(), DaemonPIDExists); +} + +// Verifies that a pre-existing PID file which points to a dead PID +// is overwritten. +TEST_F(DaemonTest, createPIDFileOverwrite) { + DaemonImpl instance; + + // We're going to use fork to generate a PID we KNOW is dead. + int pid = fork(); + ASSERT_GE(pid, 0); + + if (pid == 0) { + // This is the child, die right away. Tragic, no? + _exit (0); + } + + // Back in the parent test, we need to wait for the child to die + // As with debugging waitpid() can be interrupted ignore EINTR. + int stat; + int ret; + do { + ret = waitpid(pid, &stat, 0); + } while ((ret == -1) && (errno == EINTR)); + ASSERT_EQ(ret, pid); + + // Ok, so we should now have a PID that we know to be dead. + // Let's use it to create a PID file. + instance.setConfigFile("test.conf"); + instance.setProcName("daemon_test"); + instance.setPIDFileDir(TEST_DATA_BUILDDIR); + EXPECT_NO_THROW(instance.createPIDFile(pid)); + + // If we try to create the PID file again, this should work. + EXPECT_NO_THROW(instance.createPIDFile()); +} + +// Verifies that Daemon destruction deletes the PID file +TEST_F(DaemonTest, PIDFileCleanup) { + boost::shared_ptr<DaemonImpl> instance; + instance.reset(new DaemonImpl); + + instance->setConfigFile("test.conf"); + instance->setProcName("daemon_test"); + instance->setPIDFileDir(TEST_DATA_BUILDDIR); + EXPECT_NO_THROW(instance->createPIDFile()); + + // If we try again, we should see our own PID file + EXPECT_THROW(instance->createPIDFile(), DaemonPIDExists); + + // Save the pid file name + std::string pid_file_name = instance->getPIDFileName(); + + // Now delete the Daemon instance. This should remove the + // PID file. + instance.reset(); + + struct stat stat_buf; + ASSERT_EQ(-1, stat(pid_file_name.c_str(), &stat_buf)); + EXPECT_EQ(errno, ENOENT); +} + +// Checks that configureLogger method is behaving properly. +// More dedicated tests are available for LogConfigParser class. +// See logger_unittest.cc +TEST_F(DaemonTest, parsingConsoleOutput) { + Daemon::setVerbose(false); + + // Storage - parsed configuration will be stored here + ConfigPtr storage(new ConfigBase()); + + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"stdout\"" + " }" + " ]," + " \"debuglevel\": 99," + " \"severity\": \"DEBUG\"" + " }" + "]}"; + ConstElementPtr config = Element::fromJSON(config_txt); + + // Spawn a daemon and tell it to configure logger + Daemon x; + EXPECT_NO_THROW(x.configureLogger(config, storage)); + + // The parsed configuration should be processed by the daemon and + // stored in configuration storage. + ASSERT_EQ(1, storage->getLoggingInfo().size()); + + EXPECT_EQ("kea", storage->getLoggingInfo()[0].name_); + EXPECT_EQ(99, storage->getLoggingInfo()[0].debuglevel_); + EXPECT_EQ(isc::log::DEBUG, storage->getLoggingInfo()[0].severity_); + + ASSERT_EQ(1, storage->getLoggingInfo()[0].destinations_.size()); + EXPECT_EQ("stdout" , storage->getLoggingInfo()[0].destinations_[0].output_); +} + +TEST_F(DaemonTest, exitValue) { + DaemonImpl instance; + + EXPECT_EQ(EXIT_SUCCESS, instance.getExitValue()); + instance.setExitValue(77); + EXPECT_EQ(77, instance.getExitValue()); +} + + +// More tests will appear here as we develop Daemon class. + +}; diff --git a/src/lib/process/tests/log_parser_unittests.cc b/src/lib/process/tests/log_parser_unittests.cc new file mode 100644 index 0000000..96f6278 --- /dev/null +++ b/src/lib/process/tests/log_parser_unittests.cc @@ -0,0 +1,512 @@ +// Copyright (C) 2014-2021 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <cc/data.h> +#include <process/log_parser.h> +#include <process/process_messages.h> +#include <exceptions/exceptions.h> +#include <log/logger_support.h> +#include <process/d_log.h> +#include <testutils/io_utils.h> + +#include <gtest/gtest.h> + +using namespace isc; +using namespace isc::process; +using namespace isc::data; + +namespace { + +/// @brief Logging Test Fixture Class +/// +/// Trivial class that ensures that the logging is reset to its defaults after +/// each test. Strictly speaking this only resets the testing root logger (which +/// has the name "kea") but as the only other logger mentioned here ("wombat") +/// is not used elsewhere, that is sufficient. +class LoggingTest : public ::testing::Test { + public: + /// @brief Constructor + LoggingTest() {} + + /// @brief Destructor + /// + /// Reset root logger back to defaults. + ~LoggingTest() { + isc::log::initLogger(); + wipeFiles(); + } + + /// @brief Generates a log file name suffixed with a rotation number + /// @param rotation number to the append to the end of the file + std::string logName(int rotation) { + std::ostringstream os; + os << TEST_LOG_NAME << "." << rotation; + return (os.str()); + } + + /// @brief Removes the base log file name and 1 rotation + void wipeFiles() { + static_cast<void>(remove(TEST_LOG_NAME)); + for (int i = 1; i < TEST_MAX_VERS + 1; ++i) { + static_cast<void>(remove(logName(i).c_str())); + } + + // Remove the lock file + std::ostringstream os; + os << TEST_LOG_NAME << ".lock"; + static_cast<void>(remove(os.str().c_str())); + } + + /// @brief Name of the log file + static const char* TEST_LOG_NAME; + + /// @brief Maximum log size + static const int TEST_MAX_SIZE; + + /// @brief Maximum rotated log versions + static const int TEST_MAX_VERS; + +}; + +const char* LoggingTest::TEST_LOG_NAME = "kea.test.log"; +const int LoggingTest::TEST_MAX_SIZE = 204800; // Smallest without disabling rotation +const int LoggingTest::TEST_MAX_VERS = 2; // More than the default of 1 + +// Checks that the constructor is able to process specified storage properly. +TEST_F(LoggingTest, constructor) { + + ConfigPtr null_ptr; + EXPECT_THROW(LogConfigParser parser(null_ptr), BadValue); + + ConfigPtr nonnull(new ConfigBase()); + + EXPECT_NO_THROW(LogConfigParser parser(nonnull)); +} + +// Checks if the LogConfigParser class is able to transform JSON structures +// into Configuration usable by log4cplus. This test checks for output +// configured to stdout on debug level. +TEST_F(LoggingTest, parsingConsoleOutput) { + + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"stdout\"," + " \"flush\": true" + " }" + " ]," + " \"debuglevel\": 99," + " \"severity\": \"DEBUG\"" + " }" + "]}"; + + ConfigPtr storage(new ConfigBase()); + + LogConfigParser parser(storage); + + // We need to parse properly formed JSON and then extract + // "loggers" element from it. For some reason fromJSON is + // throwing at opening square bracket + ConstElementPtr config = Element::fromJSON(config_txt); + config = config->get("loggers"); + + EXPECT_NO_THROW(parser.parseConfiguration(config)); + + ASSERT_EQ(1, storage->getLoggingInfo().size()); + + EXPECT_EQ("kea", storage->getLoggingInfo()[0].name_); + EXPECT_EQ(99, storage->getLoggingInfo()[0].debuglevel_); + EXPECT_EQ(isc::log::DEBUG, storage->getLoggingInfo()[0].severity_); + + ASSERT_EQ(1, storage->getLoggingInfo()[0].destinations_.size()); + EXPECT_EQ("stdout" , storage->getLoggingInfo()[0].destinations_[0].output_); + EXPECT_TRUE(storage->getLoggingInfo()[0].destinations_[0].flush_); +} + +// Checks if the LogConfigParser class fails when the configuration +// lacks a severity entry. +TEST_F(LoggingTest, parsingNoSeverity) { + + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"stdout\"," + " \"flush\": true" + " }" + " ]," + " \"debuglevel\": 99" + " }" + "]}"; + + ConfigPtr storage(new ConfigBase()); + + LogConfigParser parser(storage); + + // We need to parse properly formed JSON and then extract + // "loggers" element from it. For some reason fromJSON is + // throwing at opening square bracket + ConstElementPtr config = Element::fromJSON(config_txt); + config = config->get("loggers"); + + EXPECT_THROW(parser.parseConfiguration(config), BadValue); +} + +// Checks if the LogConfigParser class is able to transform JSON structures +// into Configuration usable by log4cplus. This test checks for output +// configured to a file on INFO level. +TEST_F(LoggingTest, parsingFile) { + + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"logfile.txt\"" + " }" + " ]," + " \"severity\": \"INFO\"" + " }" + "]}"; + + ConfigPtr storage(new ConfigBase()); + + LogConfigParser parser(storage); + + // We need to parse properly formed JSON and then extract + // "loggers" element from it. For some reason fromJSON is + // throwing at opening square bracket + ConstElementPtr config = Element::fromJSON(config_txt); + config = config->get("loggers"); + + EXPECT_NO_THROW(parser.parseConfiguration(config)); + + ASSERT_EQ(1, storage->getLoggingInfo().size()); + + EXPECT_EQ("kea", storage->getLoggingInfo()[0].name_); + EXPECT_EQ(0, storage->getLoggingInfo()[0].debuglevel_); + EXPECT_EQ(isc::log::INFO, storage->getLoggingInfo()[0].severity_); + + ASSERT_EQ(1, storage->getLoggingInfo()[0].destinations_.size()); + EXPECT_EQ("logfile.txt" , storage->getLoggingInfo()[0].destinations_[0].output_); + // Default for immediate flush is true + EXPECT_TRUE(storage->getLoggingInfo()[0].destinations_[0].flush_); + + // Pattern should default to empty string. + EXPECT_TRUE(storage->getLoggingInfo()[0].destinations_[0].pattern_.empty()); +} + +// Checks if the LogConfigParser class is able to transform data structures +// into Configuration usable by log4cplus. This test checks that more than +// one logger can be configured. +TEST_F(LoggingTest, multipleLoggers) { + + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"logfile.txt\"," + " \"flush\": true" + " }" + " ]," + " \"severity\": \"INFO\"" + " }," + " {" + " \"name\": \"wombat\"," + " \"output_options\": [" + " {" + " \"output\": \"logfile2.txt\"," + " \"flush\": false" + " }" + " ]," + " \"severity\": \"DEBUG\"," + " \"debuglevel\": 99" + " }" + "]}"; + + ConfigPtr storage(new ConfigBase()); + + LogConfigParser parser(storage); + + // We need to parse properly formed JSON and then extract + // "loggers" element from it. For some reason fromJSON is + // throwing at opening square bracket + ConstElementPtr config = Element::fromJSON(config_txt); + config = config->get("loggers"); + + EXPECT_NO_THROW(parser.parseConfiguration(config)); + + ASSERT_EQ(2, storage->getLoggingInfo().size()); + + EXPECT_EQ("kea", storage->getLoggingInfo()[0].name_); + EXPECT_EQ(0, storage->getLoggingInfo()[0].debuglevel_); + EXPECT_EQ(isc::log::INFO, storage->getLoggingInfo()[0].severity_); + ASSERT_EQ(1, storage->getLoggingInfo()[0].destinations_.size()); + EXPECT_EQ("logfile.txt" , storage->getLoggingInfo()[0].destinations_[0].output_); + EXPECT_TRUE(storage->getLoggingInfo()[0].destinations_[0].flush_); + + EXPECT_EQ("wombat", storage->getLoggingInfo()[1].name_); + EXPECT_EQ(99, storage->getLoggingInfo()[1].debuglevel_); + EXPECT_EQ(isc::log::DEBUG, storage->getLoggingInfo()[1].severity_); + ASSERT_EQ(1, storage->getLoggingInfo()[1].destinations_.size()); + EXPECT_EQ("logfile2.txt" , storage->getLoggingInfo()[1].destinations_[0].output_); + EXPECT_FALSE(storage->getLoggingInfo()[1].destinations_[0].flush_); +} + +// Checks if the LogConfigParser class is able to transform data structures +// into Configuration usable by log4cplus. This test checks that more than +// one logging destination can be configured. +TEST_F(LoggingTest, multipleLoggingDestinations) { + + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"logfile.txt\"" + " }," + " {" + " \"output\": \"stdout\"" + " }" + " ]," + " \"severity\": \"INFO\"" + " }" + "]}"; + + ConfigPtr storage(new ConfigBase()); + + LogConfigParser parser(storage); + + // We need to parse properly formed JSON and then extract + // "loggers" element from it. For some reason fromJSON is + // throwing at opening square bracket + ConstElementPtr config = Element::fromJSON(config_txt); + config = config->get("loggers"); + + EXPECT_NO_THROW(parser.parseConfiguration(config)); + + ASSERT_EQ(1, storage->getLoggingInfo().size()); + + EXPECT_EQ("kea", storage->getLoggingInfo()[0].name_); + EXPECT_EQ(0, storage->getLoggingInfo()[0].debuglevel_); + EXPECT_EQ(isc::log::INFO, storage->getLoggingInfo()[0].severity_); + ASSERT_EQ(2, storage->getLoggingInfo()[0].destinations_.size()); + EXPECT_EQ("logfile.txt" , storage->getLoggingInfo()[0].destinations_[0].output_); + EXPECT_TRUE(storage->getLoggingInfo()[0].destinations_[0].flush_); + EXPECT_EQ("stdout" , storage->getLoggingInfo()[0].destinations_[1].output_); + EXPECT_TRUE(storage->getLoggingInfo()[0].destinations_[1].flush_); +} + +// Verifies that log rotation occurs when configured. We do not +// worry about contents of the log files, only that rotation occurs. +// Such details are tested in lib/log. This test verifies that +// we can correctly configure logging such that rotation occurs as +// expected. +TEST_F(LoggingTest, logRotate) { + wipeFiles(); + + std::ostringstream os; + os << + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"" + << TEST_LOG_NAME << "\"," << + " \"flush\": true," + " \"maxsize\":" + << TEST_MAX_SIZE << "," << + " \"maxver\":" + << TEST_MAX_VERS << + " }" + " ]," + " \"debuglevel\": 99," + " \"severity\": \"DEBUG\"" + " }" + "]}"; + + // Create our server config container. + ConfigPtr server_cfg(new ConfigBase()); + + // LogConfigParser expects a list of loggers, so parse + // the JSON text and extract the "loggers" element from it + ConstElementPtr config = Element::fromJSON(os.str()); + config = config->get("loggers"); + + // Parse the config and then apply it. + LogConfigParser parser(server_cfg); + ASSERT_NO_THROW(parser.parseConfiguration(config)); + ASSERT_NO_THROW(server_cfg->applyLoggingCfg()); + + EXPECT_EQ(TEST_MAX_SIZE, server_cfg->getLoggingInfo()[0].destinations_[0].maxsize_); + EXPECT_EQ(TEST_MAX_VERS, server_cfg->getLoggingInfo()[0].destinations_[0].maxver_); + + // Make sure we have the initial log file. + ASSERT_TRUE(isc::test::fileExists(TEST_LOG_NAME)); + + // Now generate a log we know will be large enough to force a rotation. + // We borrow a one argument log message for the test. + std::string big_arg(TEST_MAX_SIZE, 'x'); + isc::log::Logger logger("kea"); + + for (int i = 1; i < TEST_MAX_VERS + 1; i++) { + // Output the big log and make sure we get the expected rotation file. + LOG_INFO(logger, DCTL_CONFIG_COMPLETE).arg(big_arg); + EXPECT_TRUE(isc::test::fileExists(logName(i).c_str())); + } + + // Clean up. + wipeFiles(); +} + +// Verifies that a valid output option,'pattern' paress correctly. +TEST_F(LoggingTest, validPattern) { + + // Note the backslash must be doubled in the pattern definition. + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"stdout\"," + " \"pattern\": \"mylog %m\\n\"" + " }" + " ]," + " \"severity\": \"INFO\"" + " }" + "]}"; + + ConfigPtr storage(new ConfigBase()); + + LogConfigParser parser(storage); + + // We need to parse properly formed JSON and then extract + // "loggers" element from it. For some reason fromJSON is + // throwing at opening square bracket + ConstElementPtr config = Element::fromJSON(config_txt); + config = config->get("loggers"); + + EXPECT_NO_THROW(parser.parseConfiguration(config)); + + ASSERT_EQ(1, storage->getLoggingInfo().size()); + + EXPECT_EQ("kea", storage->getLoggingInfo()[0].name_); + EXPECT_EQ(isc::log::INFO, storage->getLoggingInfo()[0].severity_); + + ASSERT_EQ(1, storage->getLoggingInfo()[0].destinations_.size()); + EXPECT_EQ("stdout" , storage->getLoggingInfo()[0].destinations_[0].output_); + EXPECT_EQ(storage->getLoggingInfo()[0].destinations_[0].pattern_, + std::string("mylog %m\n")); +} + +// Verifies that output option,'pattern', may be an empty string +TEST_F(LoggingTest, emptyPattern) { + const char* config_txt = + "{ \"loggers\": [" + " {" + " \"name\": \"kea\"," + " \"output_options\": [" + " {" + " \"output\": \"stdout\"," + " \"pattern\": \"\"" + " }" + " ]," + " \"severity\": \"INFO\"" + " }" + "]}"; + + ConfigPtr storage(new ConfigBase()); + + LogConfigParser parser(storage); + + // We need to parse properly formed JSON and then extract + // "loggers" element from it. For some reason fromJSON is + // throwing at opening square bracket + ConstElementPtr config = Element::fromJSON(config_txt); + config = config->get("loggers"); + + EXPECT_NO_THROW(parser.parseConfiguration(config)); + + ASSERT_EQ(1, storage->getLoggingInfo().size()); + + EXPECT_EQ("kea", storage->getLoggingInfo()[0].name_); + EXPECT_EQ(isc::log::INFO, storage->getLoggingInfo()[0].severity_); + + ASSERT_EQ(1, storage->getLoggingInfo()[0].destinations_.size()); + EXPECT_EQ("stdout" , storage->getLoggingInfo()[0].destinations_[0].output_); + EXPECT_TRUE(storage->getLoggingInfo()[0].destinations_[0].pattern_.empty()); +} + +void testMaxSize(uint64_t maxsize_candidate, uint64_t expected_maxsize) { + std::string const logger(R"( + { + "loggers": [ + { + + "debuglevel": 99, + "name": "kea", + "output_options": [ + { + "output": "kea.test.log", + "flush": true, + "maxsize": )" + std::to_string(maxsize_candidate) + R"(, + "maxver": 2 + } + ], + "severity": "DEBUG" + } + ] + } + )"); + + // Create our server config container. + ConfigPtr server_cfg(boost::make_shared<ConfigBase>()); + + // LogConfigParser expects a list of loggers, so parse + // the JSON text and extract the "loggers" element from it + ConstElementPtr config(Element::fromJSON(logger)); + config = config->get("loggers"); + + // Parse the config and then apply it. + LogConfigParser parser(server_cfg); + ASSERT_NO_THROW(parser.parseConfiguration(config)); + ASSERT_NO_THROW(server_cfg->applyLoggingCfg()); + + EXPECT_EQ(server_cfg->getLoggingInfo()[0].destinations_[0].maxsize_, + expected_maxsize); +} + +// Test that maxsize can be configured with high values. +TEST_F(LoggingTest, maxsize) { + testMaxSize(TEST_MAX_SIZE, TEST_MAX_SIZE); + testMaxSize(std::numeric_limits<int32_t>::max(), std::numeric_limits<int32_t>::max()); + testMaxSize(std::numeric_limits<uint32_t>::max(), std::numeric_limits<uint32_t>::max()); + testMaxSize(1000LL * std::numeric_limits<int32_t>::max(), 1000LL * std::numeric_limits<int32_t>::max()); + testMaxSize(1000000LL * std::numeric_limits<int32_t>::max(), 1000000LL * std::numeric_limits<int32_t>::max()); +} + +/// @todo Add tests for malformed logging configuration + +/// @todo There is no easy way to test applyConfiguration() and defaultLogging(). +/// To test them, it would require instrumenting log4cplus to actually fake +/// the logging set up. Alternatively, we could develop set of test suites +/// that check each logging destination separately (e.g. configure log file, then +/// check if the file is indeed created or configure stdout destination, then +/// swap console file descriptors and check that messages are really logged. + +} // namespace diff --git a/src/lib/process/tests/logging_info_unittests.cc b/src/lib/process/tests/logging_info_unittests.cc new file mode 100644 index 0000000..388a8a5 --- /dev/null +++ b/src/lib/process/tests/logging_info_unittests.cc @@ -0,0 +1,208 @@ +// Copyright (C) 2014-2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <process/daemon.h> +#include <process/logging_info.h> +#include <testutils/test_to_element.h> +#include <gtest/gtest.h> + +using namespace isc::process; +using namespace isc::test; +using namespace isc::data; + +namespace { + +// Checks if two destinations can be compared for equality. +TEST(LoggingDestination, equals) { + LoggingDestination dest1; + LoggingDestination dest2; + + EXPECT_TRUE(dest1.equals(dest2)); + + dest1.output_ = "stderr"; + EXPECT_FALSE(dest1.equals(dest2)); + + dest2.output_ = "stdout"; + EXPECT_FALSE(dest1.equals(dest2)); + + dest2.output_ = "stderr"; + EXPECT_TRUE(dest1.equals(dest2)); + + dest1.maxver_ = 10; + dest2.maxver_ = 5; + EXPECT_FALSE(dest1.equals(dest2)); + + dest2.maxver_ = 10; + EXPECT_TRUE(dest1.equals(dest2)); + + dest1.maxsize_ = 64; + dest2.maxsize_ = 32; + EXPECT_FALSE(dest1.equals(dest2)); + + dest1.maxsize_ = 32; + EXPECT_TRUE(dest1.equals(dest2)); +} + +/// @brief Test fixture class for testing @c LoggingInfo. +class LoggingInfoTest : public ::testing::Test { +public: + + /// @brief Constructor + LoggingInfoTest() = default; + + /// @brief Destructor + virtual ~LoggingInfoTest() = default; + + /// @brief Setup the test. + virtual void SetUp() { + Daemon::setVerbose(false); + } + + /// @brief Clear after the test. + virtual void TearDown() { + Daemon::setVerbose(false); + } +}; + +// Checks if default logging configuration is correct. +TEST_F(LoggingInfoTest, defaults) { + + // We now need to set the default logger explicitly. + // Otherwise leftovers from previous tests that use DController + // would leave the default logger set to TestBin. + Daemon::setDefaultLoggerName("kea"); + + LoggingInfo info_non_verbose; + + // The DStubTest framework sets up the default binary name to TestBin + EXPECT_EQ("kea", info_non_verbose.name_); + EXPECT_EQ(isc::log::INFO, info_non_verbose.severity_); + EXPECT_EQ(0, info_non_verbose.debuglevel_); + + ASSERT_EQ(1, info_non_verbose.destinations_.size()); + EXPECT_EQ("stdout", info_non_verbose.destinations_[0].output_); + + std::string header = "{\n"; + std::string begin = + "\"name\": \"kea\",\n" + "\"output_options\": [ {\n" + " \"output\": \"stdout\", \"flush\": true, \"pattern\": \"\" } ],\n" + "\"severity\": \""; + std::string dbglvl = "\",\n\"debuglevel\": "; + std::string trailer = "\n}\n"; + std::string expected = header + begin + "INFO" + dbglvl + "0" + trailer; + runToElementTest<LoggingInfo>(expected, info_non_verbose); + + // Add a user context + std::string comment = "\"comment\": \"foo\""; + std::string user_context = "{ " + comment + " }"; + std::string user_context_nl = "{\n" + comment + "\n}"; + EXPECT_FALSE(info_non_verbose.getContext()); + info_non_verbose.setContext(Element::fromJSON(user_context)); + ASSERT_TRUE(info_non_verbose.getContext()); + EXPECT_EQ(user_context, info_non_verbose.getContext()->str()); + expected = header; + expected += "\"user-context\": " + user_context_nl + ",\n"; + expected += begin + "INFO" + dbglvl + "0" + trailer; + runToElementTest<LoggingInfo>(expected, info_non_verbose); + + Daemon::setVerbose(true); + LoggingInfo info_verbose; + EXPECT_EQ("kea", info_verbose.name_); + EXPECT_EQ(isc::log::DEBUG, info_verbose.severity_); + EXPECT_EQ(99, info_verbose.debuglevel_); + + ASSERT_EQ(1, info_verbose.destinations_.size()); + EXPECT_EQ("stdout", info_verbose.destinations_[0].output_); + + EXPECT_EQ(10240000, info_verbose.destinations_[0].maxsize_); + EXPECT_EQ(1, info_verbose.destinations_[0].maxver_); + + expected = header + begin + "DEBUG" + dbglvl + "99" + trailer; + runToElementTest<LoggingInfo>(expected, info_verbose); + + // User comment again + EXPECT_FALSE(info_verbose.getContext()); + info_verbose.setContext(Element::fromJSON(user_context)); + ASSERT_TRUE(info_verbose.getContext()); + EXPECT_EQ(user_context, info_verbose.getContext()->str()); + expected = header; + expected += "\"user-context\": " + user_context_nl + ",\n"; + expected += begin + "DEBUG" + dbglvl + "99" + trailer; + runToElementTest<LoggingInfo>(expected, info_verbose); +} + +// Checks if (in)equality operators work for LoggingInfo. +TEST_F(LoggingInfoTest, equalityOperators) { + LoggingInfo info1; + LoggingInfo info2; + + // Initially, both objects are the same. + EXPECT_TRUE(info1 == info2); + + // Differ by name. + info1.name_ = "foo"; + info2.name_ = "bar"; + EXPECT_FALSE(info1 == info2); + EXPECT_TRUE(info1 != info2); + + // Names equal. + info2.name_ = "foo"; + EXPECT_TRUE(info1 == info2); + EXPECT_FALSE(info1 != info2); + + // Differ by severity. + info1.severity_ = isc::log::DEBUG; + info2.severity_ = isc::log::INFO; + EXPECT_FALSE(info1 == info2); + EXPECT_TRUE(info1 != info2); + + // Severities equal. + info2.severity_ = isc::log::DEBUG; + EXPECT_TRUE(info1 == info2); + EXPECT_FALSE(info1 != info2); + + // Differ by debug level. + info1.debuglevel_ = 99; + info2.debuglevel_ = 1; + EXPECT_FALSE(info1 == info2); + EXPECT_TRUE(info1 != info2); + + // Debug level equal. + info2.debuglevel_ = 99; + EXPECT_TRUE(info1 == info2); + EXPECT_FALSE(info1 != info2); + + // Create two different destinations. + LoggingDestination dest1; + LoggingDestination dest2; + dest1.output_ = "foo"; + dest2.output_ = "bar"; + + // Push destinations in some order to info1. + info1.destinations_.push_back(dest1); + info1.destinations_.push_back(dest2); + + // Push in reverse order to info2. Order shouldn't matter. + info2.destinations_.push_back(dest2); + info2.destinations_.push_back(dest1); + + EXPECT_TRUE(info1 == info2); + EXPECT_FALSE(info1 != info2); + + // Change one of the destinations. + LoggingDestination dest3; + dest3.output_ = "foobar"; + + info2.destinations_[2] = dest3; + + // The should now be unequal. + EXPECT_FALSE(info1 == info2); + EXPECT_TRUE(info1 != info2); +} + +} // end of anonymous namespace diff --git a/src/lib/process/tests/run_unittests.cc b/src/lib/process/tests/run_unittests.cc new file mode 100644 index 0000000..a7c1f68 --- /dev/null +++ b/src/lib/process/tests/run_unittests.cc @@ -0,0 +1,24 @@ +// Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <log/logger_support.h> +#include <process/d_log.h> +#include <gtest/gtest.h> + +int +main(int argc, char* argv[]) { + ::testing::InitGoogleTest(&argc, argv); + isc::log::initLogger(); + + // Override --localstatedir value for PID files + setenv("KEA_PIDFILE_DIR", TEST_DATA_BUILDDIR, 1); + + int result = RUN_ALL_TESTS(); + + return (result); +} |