diff options
Diffstat (limited to 'src/lib/asiodns/tests')
| -rw-r--r-- | src/lib/asiodns/tests/Makefile.am | 44 | ||||
| -rw-r--r-- | src/lib/asiodns/tests/Makefile.in | 874 | ||||
| -rw-r--r-- | src/lib/asiodns/tests/io_fetch_unittest.cc | 738 | ||||
| -rw-r--r-- | src/lib/asiodns/tests/run_unittests.cc | 21 |
4 files changed, 1677 insertions, 0 deletions
diff --git a/src/lib/asiodns/tests/Makefile.am b/src/lib/asiodns/tests/Makefile.am new file mode 100644 index 0000000..09ff27e --- /dev/null +++ b/src/lib/asiodns/tests/Makefile.am @@ -0,0 +1,44 @@ +AM_CPPFLAGS = -I$(top_srcdir)/src/lib -I$(top_builddir)/src/lib +AM_CPPFLAGS += $(BOOST_INCLUDES) + +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 += run_unittests +run_unittests_SOURCES = run_unittests.cc +run_unittests_SOURCES += io_fetch_unittest.cc + +run_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES) + +run_unittests_LDADD = $(top_builddir)/src/lib/asiodns/libkea-asiodns.la +run_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libkea-asiolink.la +run_unittests_LDADD += $(top_builddir)/src/lib/dns/libkea-dns++.la +run_unittests_LDADD += $(top_builddir)/src/lib/cryptolink/libkea-cryptolink.la +run_unittests_LDADD += $(top_builddir)/src/lib/log/libkea-log.la +run_unittests_LDADD += $(top_builddir)/src/lib/util/unittests/libutil_unittests.la +run_unittests_LDADD += $(top_builddir)/src/lib/util/libkea-util.la +run_unittests_LDADD += $(top_builddir)/src/lib/exceptions/libkea-exceptions.la +run_unittests_LDADD += $(LOG4CPLUS_LIBS) $(CRYPTO_LIBS) +run_unittests_LDADD += $(BOOST_LIBS) $(GTEST_LDADD) + +run_unittests_LDFLAGS = $(AM_LDFLAGS) $(CRYPTO_LDFLAGS) $(GTEST_LDFLAGS) + +# Note: the ordering matters: -Wno-... must follow -Wextra (defined in +# KEA_CXXFLAGS) +run_unittests_CXXFLAGS = $(AM_CXXFLAGS) +if USE_GXX +run_unittests_CXXFLAGS += -Wno-unused-parameter +endif +endif + +noinst_PROGRAMS = $(TESTS) diff --git a/src/lib/asiodns/tests/Makefile.in b/src/lib/asiodns/tests/Makefile.in new file mode 100644 index 0000000..fc5c7c1 --- /dev/null +++ b/src/lib/asiodns/tests/Makefile.in @@ -0,0 +1,874 @@ +# Makefile.in generated by automake 1.16.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2018 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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+// Copyright (C) 2011-2020 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 <asiolink/asio_wrapper.h> +#include <asiolink/io_address.h> +#include <asiolink/io_endpoint.h> +#include <asiolink/io_service.h> +#include <asiodns/io_fetch.h> +#include <dns/question.h> +#include <dns/message.h> +#include <dns/messagerenderer.h> +#include <dns/opcode.h> +#include <dns/name.h> +#include <dns/rcode.h> +#include <util/buffer.h> +#include <util/io_utilities.h> + +#include <gtest/gtest.h> +#include <boost/date_time/posix_time/posix_time_types.hpp> + +#include <algorithm> +#include <cstdlib> +#include <functional> +#include <string> +#include <iostream> +#include <iomanip> +#include <iterator> +#include <vector> + +using namespace boost::asio::ip; +using namespace boost::asio; +using namespace isc::asiolink; +using namespace isc::dns; +using namespace isc::util; +using namespace std; +namespace ph = std::placeholders; + +namespace isc { +namespace asiodns { + +const boost::asio::ip::address TEST_HOST(boost::asio::ip::address::from_string("127.0.0.1")); +const uint16_t TEST_PORT(5301); +const int SEND_INTERVAL = 250; // Interval in ms between TCP sends +const size_t MAX_SIZE = 64 * 1024; // Should be able to take 64kB + +// The tests are complex, so debug output has been left in (although disabled). +// Set this to true to enable it. +const bool DEBUG = false; + +/// \brief Test fixture for the asiolink::IOFetch. +class IOFetchTest : public virtual ::testing::Test, public virtual IOFetch::Callback +{ +public: + IOService service_; ///< Service to run the query + IOFetch::Result expected_; ///< Expected result of the callback + bool run_; ///< Did the callback run already? + Question question_; ///< What to ask + OutputBufferPtr result_buff_; ///< Buffer to hold result of fetch + OutputBufferPtr msgbuf_; ///< Buffer corresponding to known question + IOFetch udp_fetch_; ///< For UDP query test + IOFetch tcp_fetch_; ///< For TCP query test + IOFetch::Protocol protocol_; ///< Protocol being tested + size_t cumulative_; ///< Cumulative data received by "server". + deadline_timer timer_; ///< Timer to measure timeouts + + // The next member is the buffer in which the "server" (implemented by the + // response handler methods in this class) receives the question sent by the + // fetch object. + uint8_t receive_buffer_[MAX_SIZE]; ///< Server receive buffer + OutputBufferPtr expected_buffer_; ///< Data we expect to receive + vector<uint8_t> send_buffer_; ///< Server send buffer + uint16_t send_cumulative_; ///< Data sent so far + + // Other data. + string return_data_; ///< Data returned by server + string test_data_; ///< Large string - here for convenience + bool debug_; ///< true to enable debug output + size_t tcp_send_size_; ///< Max size of TCP send + uint8_t qid_0; ///< First octet of qid + uint8_t qid_1; ///< Second octet of qid + + bool tcp_short_send_; ///< If set to true, we do not send + /// all data in the tcp response + + /// \brief Constructor + IOFetchTest() : + service_(), + expected_(IOFetch::NOTSET), + run_(false), + question_(Name("example.net"), RRClass::IN(), RRType::A()), + result_buff_(new OutputBuffer(512)), + msgbuf_(new OutputBuffer(512)), + udp_fetch_(IOFetch::UDP, service_, question_, IOAddress(TEST_HOST), + TEST_PORT, result_buff_, this, 100), + tcp_fetch_(IOFetch::TCP, service_, question_, IOAddress(TEST_HOST), + TEST_PORT, result_buff_, this, (24 * SEND_INTERVAL)), + // Timeout interval chosen to ensure no timeout + protocol_(IOFetch::TCP), // for initialization - will be changed + cumulative_(0), + timer_(service_.get_io_service()), + receive_buffer_(), + expected_buffer_(new OutputBuffer(512)), + send_buffer_(), + send_cumulative_(0), + return_data_(""), + test_data_(""), + debug_(DEBUG), + tcp_send_size_(0), + qid_0(0), + qid_1(0), + tcp_short_send_(false) + { + // Construct the data buffer for question we expect to receive. + Message msg(Message::RENDER); + msg.setQid(0); + msg.setOpcode(Opcode::QUERY()); + msg.setRcode(Rcode::NOERROR()); + msg.setHeaderFlag(Message::HEADERFLAG_RD); + msg.addQuestion(question_); + EDNSPtr msg_edns(new EDNS()); + msg_edns->setUDPSize(Message::DEFAULT_MAX_EDNS0_UDPSIZE); + msg.setEDNS(msg_edns); + + MessageRenderer renderer; + renderer.setBuffer(msgbuf_.get()); + msg.toWire(renderer); + renderer.setBuffer(NULL); + + renderer.setBuffer(expected_buffer_.get()); + msg.toWire(renderer); + renderer.setBuffer(NULL); + + // Initialize the test data to be returned: tests will return a + // substring of this data. (It's convenient to have this as a member of + // the class.) + // + // We could initialize the data with a single character, but as an added + // check we'll make ssre that it has some structure. + + test_data_.clear(); + test_data_.reserve(MAX_SIZE); + while (test_data_.size() < MAX_SIZE) { + test_data_ += "A message to be returned to the client that has " + "some sort of structure."; + } + } + + /// \brief UDP Response handler (the "remote UDP DNS server") + /// + /// When IOFetch is sending data, this response handler emulates the remote + /// DNS server. It checks that the data sent by the IOFetch object is what + /// was expected to have been sent, then sends back a known buffer of data. + /// + /// \param remote Endpoint to which to send the answer + /// \param socket Socket to use to send the answer + /// \param ec ASIO error code, completion code of asynchronous I/O issued + /// by the "server" to receive data. + /// \param bad_qid If set to true, the QID in the response will be mangled + /// \param second_send If set to true, (and bad_qid is too), after the + /// mangled qid response has been sent, a second packet will be + /// sent with the correct QID. + /// \param length Amount of data received. + void udpReceiveHandler(udp::endpoint* remote, udp::socket* socket, + boost::system::error_code ec = boost::system::error_code(), + size_t length = 0, bool bad_qid = false, + bool second_send = false) + { + if (debug_) { + cout << "udpReceiveHandler(): error = " << ec.value() << + ", length = " << length << endl; + } + + // The QID in the incoming data is random so set it to 0 for the + // data comparison check. (It is set to 0 in the buffer containing + // the expected data.) + qid_0 = receive_buffer_[0]; + qid_1 = receive_buffer_[1]; + receive_buffer_[0] = receive_buffer_[1] = 0; + + // Check that length of the received data and the expected data are + // identical, then check that the data is identical as well. + EXPECT_EQ(msgbuf_->getLength(), length); + EXPECT_TRUE(equal(receive_buffer_, (receive_buffer_ + length - 1), + static_cast<const uint8_t*>(msgbuf_->getData()))); + + // Return a message back to the IOFetch object. + if (!bad_qid) { + expected_buffer_->writeUint8At(qid_0, 0); + expected_buffer_->writeUint8At(qid_1, 1); + } else { + expected_buffer_->writeUint8At(qid_0 + 1, 0); + expected_buffer_->writeUint8At(qid_1 + 1, 1); + } + socket->send_to(boost::asio::buffer(expected_buffer_->getData(), length), *remote); + + if (bad_qid && second_send) { + expected_buffer_->writeUint8At(qid_0, 0); + expected_buffer_->writeUint8At(qid_1, 1); + socket->send_to(boost::asio::buffer(expected_buffer_->getData(), + expected_buffer_->getLength()), *remote); + } + if (debug_) { + cout << "udpReceiveHandler(): returned " << expected_buffer_->getLength() << + " bytes to the client" << endl; + } + } + + /// \brief Completion Handler for accepting TCP data + /// + /// Called when the remote system connects to the "server". It issues + /// an asynchronous read on the socket to read data. + /// + /// \param socket Socket on which data will be received + /// \param ec Boost error code, value should be zero. + void tcpAcceptHandler(tcp::socket* socket, + boost::system::error_code ec = boost::system::error_code()) + { + if (debug_) { + cout << "tcpAcceptHandler(): error = " << ec.value() << endl; + } + + // Expect that the accept completed without a problem. + EXPECT_EQ(0, ec.value()); + + // Work out the maximum size of data we can send over it when we + // respond, then subtract 1kB or so for safety. + tcp::socket::send_buffer_size send_size; + socket->get_option(send_size); + if (send_size.value() < (2 * 1024)) { + FAIL() << "TCP send size is less than 2kB"; + } else { + tcp_send_size_ = send_size.value() - 1024; + if (debug_) { + cout << "tcpacceptHandler(): will use send size = " << tcp_send_size_ << endl; + } + } + + // Initiate a read on the socket. + cumulative_ = 0; + socket->async_receive(boost::asio::buffer(receive_buffer_, sizeof(receive_buffer_)), + std::bind(&IOFetchTest::tcpReceiveHandler, this, socket, ph::_1, ph::_2)); + } + + /// \brief Completion handler for receiving TCP data + /// + /// When IOFetch is sending data, this response handler emulates the remote + /// DNS server. It that all the data sent by the IOFetch object has been + /// received, issuing another read if not. If the data is complete, it is + /// compared to what is expected and a reply sent back to the IOFetch. + /// + /// \param socket Socket to use to send the answer + /// \param ec ASIO error code, completion code of asynchronous I/O issued + /// by the "server" to receive data. + /// \param length Amount of data received. + void tcpReceiveHandler(tcp::socket* socket, + boost::system::error_code ec = boost::system::error_code(), + size_t length = 0) + { + if (debug_) { + cout << "tcpReceiveHandler(): error = " << ec.value() << + ", length = " << length << endl; + } + // Expect that the receive completed without a problem. + EXPECT_EQ(0, ec.value()); + + // If we haven't received all the data, issue another read. + cumulative_ += length; + bool complete = false; + if (cumulative_ > 2) { + uint16_t dns_length = readUint16(receive_buffer_, + sizeof(receive_buffer_)); + complete = ((dns_length + 2) == cumulative_); + } + + if (!complete) { + socket->async_receive(boost::asio::buffer((receive_buffer_ + cumulative_), + (sizeof(receive_buffer_) - cumulative_)), + std::bind(&IOFetchTest::tcpReceiveHandler, this, socket, ph::_1, ph::_2)); + return; + } + + // Check that length of the DNS message received is that expected, then + // compare buffers, zeroing the QID in the received buffer to match + // that set in our expected question. Note that due to the length + // field the QID in the received buffer is in the third and fourth + // bytes. + EXPECT_EQ(msgbuf_->getLength() + 2, cumulative_); + qid_0 = receive_buffer_[2]; + qid_1 = receive_buffer_[3]; + + receive_buffer_[2] = receive_buffer_[3] = 0; + EXPECT_TRUE(equal((receive_buffer_ + 2), (receive_buffer_ + cumulative_ - 2), + static_cast<const uint8_t*>(msgbuf_->getData()))); + + // ... and return a message back. This has to be preceded by a two-byte + // count field. + + send_buffer_.clear(); + send_buffer_.push_back(0); + send_buffer_.push_back(0); + // send_buffer_.capacity() seems more logical below, but the + // code above fills in the first two bytes and size() becomes 2 + // (sizeof uint16_t). + writeUint16(return_data_.size(), &send_buffer_[0], send_buffer_.size()); + copy(return_data_.begin(), return_data_.end(), back_inserter(send_buffer_)); + if (return_data_.size() >= 2) { + send_buffer_[2] = qid_0; + send_buffer_[3] = qid_1; + } + // Send the data. This is done in multiple writes with a delay between + // each to check that the reassembly of TCP packets from fragments works. + send_cumulative_ = 0; + tcpSendData(socket); + } + + /// \brief Sent Data Over TCP + /// + /// Send the TCP data back to the IOFetch object. The data is sent in + /// three chunks - two of 16 bytes and the remainder, with a 250ms gap + /// between each. (Amounts of data smaller than one 32 bytes are sent in + /// one or two packets.) + /// + /// \param socket Socket over which send should take place + void tcpSendData(tcp::socket* socket) { + if (debug_) { + cout << "tcpSendData()" << endl; + } + + // Decide what to send based on the cumulative count. At most we'll do + // two chunks of 16 bytes (with a 250ms gap between) and then the + // remainder. + uint8_t* send_ptr = &send_buffer_[send_cumulative_]; + // Pointer to data to send + size_t amount = 16; // Amount of data to send + if (send_cumulative_ < (2 * amount)) { + + // First or second time through, send at most 16 bytes + amount = min(amount, (send_buffer_.size() - send_cumulative_)); + + } else { + + // For all subsequent times, send the remainder, maximised to + // whatever we have chosen for the maximum send size. + amount = min(tcp_send_size_, + (send_buffer_.size() - send_cumulative_)); + } + + // This is for the short send test; reduce the actual amount of + // data we send + if (tcp_short_send_) { + if (debug_) { + cout << "tcpSendData(): sending incomplete data (" << + (amount - 1) << " of " << amount << " bytes)" << + endl; + } + --amount; + } else { + if (debug_) { + cout << "tcpSendData(): sending " << amount << " bytes" << endl; + } + } + + // ... and send it. The amount sent is also passed as the first + // argument of the send callback, as a check. + socket->async_send(boost::asio::buffer(send_ptr, amount), + std::bind(&IOFetchTest::tcpSendHandler, this, + amount, socket, ph::_1, ph::_2)); + } + + /// \brief Completion Handler for Sending TCP data + /// + /// Called when the asynchronous send of data back to the IOFetch object + /// by the TCP "server" in this class has completed. (This send has to + /// be asynchronous because control needs to return to the caller in order + /// for the IOService "run()" method to be called to run the handlers.) + /// + /// If not all the data has been sent, a short delay is instigated (during + /// which control returns to the IOService). This should force the queued + /// data to actually be sent and the IOFetch receive handler to be triggered. + /// In this way, the ability of IOFetch to handle fragmented TCP packets + /// should be checked. + /// + /// \param expected Number of bytes that were expected to have been sent. + /// \param socket Socket over which the send took place. Only used to + /// pass back to the send method. + /// \param ec Boost error code, value should be zero. + /// \param length Number of bytes sent. + void tcpSendHandler(size_t expected, tcp::socket* socket, + boost::system::error_code ec = boost::system::error_code(), + size_t length = 0) + { + if (debug_) { + cout << "tcpSendHandler(): error = " << ec.value() << + ", length = " << length << endl; + } + + EXPECT_EQ(0, ec.value()); // Expect no error + EXPECT_EQ(expected, length); // And that amount sent is as expected + + // Do we need to send more? + send_cumulative_ += length; + if (send_cumulative_ < send_buffer_.size()) { + + // Yes - set up a timer: the callback handler for the timer is + // tcpSendData, which will then send the next chunk. We pass the + // socket over which data should be sent as an argument to that + // function. + timer_.expires_from_now(boost::posix_time::milliseconds(SEND_INTERVAL)); + timer_.async_wait(std::bind(&IOFetchTest::tcpSendData, this, + socket)); + } + } + + /// \brief Fetch completion callback + /// + /// This is the callback's operator() method which is called when the fetch + /// is complete. It checks that the data received is the wire format of the + /// data sent back by the server. + /// + /// \param result Result indicated by the callback + void operator()(IOFetch::Result result) { + if (debug_) { + cout << "operator()(): result = " << result << endl; + } + + EXPECT_EQ(expected_, result); // Check correct result returned + EXPECT_FALSE(run_); // Check it is run only once + run_ = true; // Note success + + // If the expected result for SUCCESS, then this should have been called + // when one of the "servers" in this class has sent back return_data_. + // Check the data is as expected/ + if (expected_ == IOFetch::SUCCESS) { + // In the case of UDP, we actually send back a real looking packet + // in the case of TCP, we send back a 'random' string + if (protocol_ == IOFetch::UDP) { + EXPECT_EQ(expected_buffer_->getLength(), result_buff_->getLength()); + EXPECT_EQ(0, memcmp(expected_buffer_->getData(), result_buff_->getData(), + expected_buffer_->getLength())); + } else { + EXPECT_EQ(return_data_.size(), result_buff_->getLength()); + // Overwrite the random qid with our own data for the + // comparison to succeed + if (result_buff_->getLength() >= 2) { + result_buff_->writeUint8At(return_data_[0], 0); + result_buff_->writeUint8At(return_data_[1], 1); + } + const uint8_t* start = static_cast<const uint8_t*>(result_buff_->getData()); + EXPECT_TRUE(equal(return_data_.begin(), return_data_.end(), start)); + } + } + + // ... and cause the run loop to exit. + service_.stop(); + } + + // The next set of methods are the tests themselves. A number of the TCP + // and UDP tests are very similar. + + /// \brief Check for stop() + /// + /// Test that when we run the query and stop it after it was run, it returns + /// "stopped" correctly. (That is why stop() is posted to the service_ as + /// well instead of calling it.) + /// + /// \param protocol Test protocol + /// \param fetch Fetch object being tested + void stopTest(IOFetch::Protocol protocol, IOFetch& fetch) { + protocol_ = protocol; + expected_ = IOFetch::STOPPED; + + // Post the query + service_.get_io_service().post(fetch); + + // Post query_.stop() (yes, the std::bind thing is just + // query_.stop()). + service_.get_io_service().post( + std::bind(&IOFetch::stop, fetch, IOFetch::STOPPED)); + + // Run both of them. run() returns when everything in the I/O service + // queue has completed. + service_.run(); + EXPECT_TRUE(run_); + } + + /// \brief Premature stop test + /// + /// Test that when we queue the query to service_ and call stop() before it + /// gets executed, it acts sanely as well (eg. has the same result as + /// running stop() after - calls the callback). + /// + /// \param protocol Test protocol + /// \param fetch Fetch object being tested + void prematureStopTest(IOFetch::Protocol protocol, IOFetch& fetch) { + protocol_ = protocol; + expected_ = IOFetch::STOPPED; + + // Stop before it is started + fetch.stop(); + service_.get_io_service().post(fetch); + + service_.run(); + EXPECT_TRUE(run_); + } + + /// \brief Timeout test + /// + /// Test that fetch times out when no answer arrives. + /// + /// \param protocol Test protocol + /// \param fetch Fetch object being tested + void timeoutTest(IOFetch::Protocol protocol, IOFetch& fetch) { + protocol_ = protocol; + expected_ = IOFetch::TIME_OUT; + + service_.get_io_service().post(fetch); + service_.run(); + EXPECT_TRUE(run_); + } + + /// \brief Send/Receive Test + /// + /// Send a query to the server then receives a response. + /// + /// \param Test data to return to client + /// \param short_send If true, do not send all data + /// (should result in timeout) + void tcpSendReturnTest(const std::string& return_data, bool short_send = false) { + if (debug_) { + cout << "tcpSendReturnTest(): data size = " << return_data.size() << endl; + } + return_data_ = return_data; + protocol_ = IOFetch::TCP; + if (short_send) { + tcp_short_send_ = true; + expected_ = IOFetch::TIME_OUT; + } else { + expected_ = IOFetch::SUCCESS; + } + + // Socket into which the connection will be accepted. + tcp::socket socket(service_.get_io_service()); + + // Acceptor object - called when the connection is made, the handler + // will initiate a read on the socket. + tcp::acceptor acceptor(service_.get_io_service(), + tcp::endpoint(tcp::v4(), TEST_PORT)); + acceptor.async_accept(socket, + std::bind(&IOFetchTest::tcpAcceptHandler, this, &socket, ph::_1)); + + // Post the TCP fetch object to send the query and receive the response. + service_.get_io_service().post(tcp_fetch_); + + // ... and execute all the callbacks. This exits when the fetch + // completes. + service_.run(); + EXPECT_TRUE(run_); // Make sure the callback did execute + + // Tidy up + socket.close(); + } + + /// Perform a send/receive test over UDP + /// + /// \param bad_qid If true, do the test where the QID is mangled + /// in the response + /// \param second_send If true, do the test where the QID is + /// mangled in the response, but a second + /// (correct) packet is used + void udpSendReturnTest(bool bad_qid, bool second_send) { + protocol_ = IOFetch::UDP; + + // Set up the server. + udp::socket socket(service_.get_io_service(), udp::v4()); + socket.set_option(socket_base::reuse_address(true)); + socket.bind(udp::endpoint(TEST_HOST, TEST_PORT)); + return_data_ = "Message returned to the client"; + + udp::endpoint remote; + socket.async_receive_from(boost::asio::buffer(receive_buffer_, + sizeof(receive_buffer_)), + remote, + std::bind(&IOFetchTest::udpReceiveHandler, + this, &remote, &socket, + ph::_1, ph::_2, bad_qid, second_send)); + service_.get_io_service().post(udp_fetch_); + if (debug_) { + cout << "udpSendReceive: async_receive_from posted," + "waiting for callback" << endl; + } + service_.run(); + + socket.close(); + + EXPECT_TRUE(run_); + } +}; + +// Check the protocol +TEST_F(IOFetchTest, Protocol) { + EXPECT_EQ(IOFetch::UDP, udp_fetch_.getProtocol()); + EXPECT_EQ(IOFetch::TCP, tcp_fetch_.getProtocol()); +} + +// UDP Stop test - see IOFetchTest::stopTest() header. +TEST_F(IOFetchTest, UdpStop) { + stopTest(IOFetch::UDP, udp_fetch_); +} + +// UDP premature stop test - see IOFetchTest::prematureStopTest() header. +TEST_F(IOFetchTest, UdpPrematureStop) { + prematureStopTest(IOFetch::UDP, udp_fetch_); +} + +// UDP premature stop test - see IOFetchTest::timeoutTest() header. +TEST_F(IOFetchTest, UdpTimeout) { + timeoutTest(IOFetch::UDP, udp_fetch_); +} + +// UDP SendReceive test. Set up a UDP server then ports a UDP fetch object. +// This will send question_ to the server and receive the answer back from it. +TEST_F(IOFetchTest, UdpSendReceive) { + expected_ = IOFetch::SUCCESS; + + udpSendReturnTest(false, false); + + EXPECT_TRUE(run_);; +} + +TEST_F(IOFetchTest, UdpSendReceiveBadQid) { + expected_ = IOFetch::TIME_OUT; + + udpSendReturnTest(true, false); + + EXPECT_TRUE(run_);; +} + +TEST_F(IOFetchTest, UdpSendReceiveBadQidResend) { + expected_ = IOFetch::SUCCESS; + + udpSendReturnTest(true, true); + + EXPECT_TRUE(run_);; +} + +// Do the same tests for TCP transport + +TEST_F(IOFetchTest, TcpStop) { + stopTest(IOFetch::TCP, tcp_fetch_); +} + +TEST_F(IOFetchTest, TcpPrematureStop) { + prematureStopTest(IOFetch::TCP, tcp_fetch_); +} + +TEST_F(IOFetchTest, TcpTimeout) { + timeoutTest(IOFetch::TCP, tcp_fetch_); +} + +// Test with values at or near 2, then at or near the chunk size (16 and 32 +// bytes, the sizes of the first two packets) then up to 65535. These are done +// in separate tests because in practice a new IOFetch is created for each +// query/response exchange and we don't want to confuse matters in the test +// by running the test with an IOFetch that has already done one exchange. +// +// Don't do 0 or 1; the server would not accept the packet +// (since the length is too short to check the qid) +TEST_F(IOFetchTest, TcpSendReceive2) { + tcpSendReturnTest(test_data_.substr(0, 2)); +} + +TEST_F(IOFetchTest, TcpSendReceive3) { + tcpSendReturnTest(test_data_.substr(0, 3)); +} + +TEST_F(IOFetchTest, TcpSendReceive15) { + tcpSendReturnTest(test_data_.substr(0, 15)); +} + +TEST_F(IOFetchTest, TcpSendReceive16) { + tcpSendReturnTest(test_data_.substr(0, 16)); +} + +TEST_F(IOFetchTest, TcpSendReceive17) { + tcpSendReturnTest(test_data_.substr(0, 17)); +} + +TEST_F(IOFetchTest, TcpSendReceive31) { + tcpSendReturnTest(test_data_.substr(0, 31)); +} + +TEST_F(IOFetchTest, TcpSendReceive32) { + tcpSendReturnTest(test_data_.substr(0, 32)); +} + +TEST_F(IOFetchTest, TcpSendReceive33) { + tcpSendReturnTest(test_data_.substr(0, 33)); +} + +TEST_F(IOFetchTest, TcpSendReceive4096) { + tcpSendReturnTest(test_data_.substr(0, 4096)); +} + +TEST_F(IOFetchTest, TcpSendReceive8192) { + tcpSendReturnTest(test_data_.substr(0, 8192)); +} + +TEST_F(IOFetchTest, TcpSendReceive16384) { + tcpSendReturnTest(test_data_.substr(0, 16384)); +} + +TEST_F(IOFetchTest, TcpSendReceive32768) { + tcpSendReturnTest(test_data_.substr(0, 32768)); +} + +TEST_F(IOFetchTest, TcpSendReceive65535) { + tcpSendReturnTest(test_data_.substr(0, 65535)); +} + +TEST_F(IOFetchTest, TcpSendReceive2ShortSend) { + tcpSendReturnTest(test_data_.substr(0, 2), true); +} + +TEST_F(IOFetchTest, TcpSendReceive15ShortSend) { + tcpSendReturnTest(test_data_.substr(0, 15), true); +} + +TEST_F(IOFetchTest, TcpSendReceive8192ShortSend) { + tcpSendReturnTest(test_data_.substr(0, 8192), true); +} + + +} // namespace asiodns +} // namespace isc diff --git a/src/lib/asiodns/tests/run_unittests.cc b/src/lib/asiodns/tests/run_unittests.cc new file mode 100644 index 0000000..5d71cc9 --- /dev/null +++ b/src/lib/asiodns/tests/run_unittests.cc @@ -0,0 +1,21 @@ +// Copyright (C) 2009-2015 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 <gtest/gtest.h> +#include <util/unittests/run_all.h> + +#include <log/logger_support.h> + +int +main(int argc, char* argv[]) +{ + ::testing::InitGoogleTest(&argc, argv); // Initialize Google test + isc::log::initLogger(); // Initialize logging + + return (isc::util::unittests::run_all()); +} |