1 files changed, 383 insertions, 0 deletions
diff --git a/src/test/cls_log/test_cls_log.cc b/src/test/cls_log/test_cls_log.cc
new file mode 100644
index 000000000..868afcaf6
--- /dev/null
+++ b/src/test/cls_log/test_cls_log.cc
@@ -0,0 +1,383 @@
+// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "include/types.h"
+#include "cls/log/cls_log_types.h"
+#include "cls/log/cls_log_client.h"
+
+#include "include/utime.h"
+#include "common/Clock.h"
+#include "global/global_context.h"
+
+#include "gtest/gtest.h"
+#include "test/librados/test_cxx.h"
+
+#include <errno.h>
+#include <string>
+#include <vector>
+
+/// creates a temporary pool and initializes an IoCtx for each test
+class cls_log : public ::testing::Test {
+  librados::Rados rados;
+  std::string pool_name;
+ protected:
+  librados::IoCtx ioctx;
+
+  void SetUp() {
+    pool_name = get_temp_pool_name();
+    /* create pool */
+    ASSERT_EQ("", create_one_pool_pp(pool_name, rados));
+    ASSERT_EQ(0, rados.ioctx_create(pool_name.c_str(), ioctx));
+  }
+  void TearDown() {
+    /* remove pool */
+    ioctx.close();
+    ASSERT_EQ(0, destroy_one_pool_pp(pool_name, rados));
+  }
+};
+
+static int read_bl(bufferlist& bl, int *i)
+{
+  auto iter = bl.cbegin();
+
+  try {
+    decode(*i, iter);
+  } catch (buffer::error& err) {
+    std::cout << "failed to decode buffer" << std::endl;
+    return -EIO;
+  }
+
+  return 0;
+}
+
+void add_log(librados::ObjectWriteOperation *op, utime_t& timestamp, string& section, string&name, int i)
+{
+  bufferlist bl;
+  encode(i, bl);
+
+  cls_log_add(*op, timestamp, section, name, bl);
+}
+
+
+string get_name(int i)
+{
+  string name_prefix = "data-source";
+
+  char buf[16];
+  snprintf(buf, sizeof(buf), "%d", i);
+  return name_prefix + buf;
+}
+
+void generate_log(librados::IoCtx& ioctx, string& oid, int max, utime_t& start_time, bool modify_time)
+{
+  string section = "global";
+
+  librados::ObjectWriteOperation op;
+
+  int i;
+
+  for (i = 0; i < max; i++) {
+    uint32_t secs = start_time.sec();
+    if (modify_time)
+      secs += i;
+
+    utime_t ts(secs, start_time.nsec());
+    string name = get_name(i);
+
+    add_log(&op, ts, section, name, i);
+  }
+
+  ASSERT_EQ(0, ioctx.operate(oid, &op));
+}
+
+utime_t get_time(utime_t& start_time, int i, bool modify_time)
+{
+  uint32_t secs = start_time.sec();
+  if (modify_time)
+    secs += i;
+  return utime_t(secs, start_time.nsec());
+}
+
+void check_entry(cls_log_entry& entry, utime_t& start_time, int i, bool modified_time)
+{
+  string section = "global";
+  string name = get_name(i);
+  utime_t ts = get_time(start_time, i, modified_time);
+
+  ASSERT_EQ(section, entry.section);
+  ASSERT_EQ(name, entry.name);
+  ASSERT_EQ(ts, entry.timestamp);
+}
+
+static int log_list(librados::IoCtx& ioctx, const std::string& oid,
+                    utime_t& from, utime_t& to,
+                    const string& in_marker, int max_entries,
+                    list<cls_log_entry>& entries,
+                    string *out_marker, bool *truncated)
+{
+  librados::ObjectReadOperation rop;
+  cls_log_list(rop, from, to, in_marker, max_entries,
+               entries, out_marker, truncated);
+  bufferlist obl;
+  return ioctx.operate(oid, &rop, &obl);
+}
+
+static int log_list(librados::IoCtx& ioctx, const std::string& oid,
+                    utime_t& from, utime_t& to, int max_entries,
+                    list<cls_log_entry>& entries, bool *truncated)
+{
+  std::string marker;
+  return log_list(ioctx, oid, from, to, marker, max_entries,
+                  entries, &marker, truncated);
+}
+
+static int log_list(librados::IoCtx& ioctx, const std::string& oid,
+                    list<cls_log_entry>& entries)
+{
+  utime_t from, to;
+  bool truncated{false};
+  return log_list(ioctx, oid, from, to, 0, entries, &truncated);
+}
+
+TEST_F(cls_log, test_log_add_same_time)
+{
+  /* add chains */
+  string oid = "obj";
+
+  /* create object */
+  ASSERT_EQ(0, ioctx.create(oid, true));
+
+  /* generate log */
+  utime_t start_time = ceph_clock_now();
+  utime_t to_time = get_time(start_time, 1, true);
+  generate_log(ioctx, oid, 10, start_time, false);
+
+  list<cls_log_entry> entries;
+  bool truncated;
+
+  /* check list */
+  {
+    ASSERT_EQ(0, log_list(ioctx, oid, start_time, to_time, 0,
+                          entries, &truncated));
+    ASSERT_EQ(10, (int)entries.size());
+    ASSERT_EQ(0, (int)truncated);
+  }
+  list<cls_log_entry>::iterator iter;
+
+  /* need to sort returned entries, all were using the same time as key */
+  map<int, cls_log_entry> check_ents;
+
+  for (iter = entries.begin(); iter != entries.end(); ++iter) {
+    cls_log_entry& entry = *iter;
+
+    int num;
+    ASSERT_EQ(0, read_bl(entry.data, &num));
+
+    check_ents[num] = entry;
+  }
+
+  ASSERT_EQ(10, (int)check_ents.size());
+
+  map<int, cls_log_entry>::iterator ei;
+
+  /* verify entries are as expected */
+
+  int i;
+
+  for (i = 0, ei = check_ents.begin(); i < 10; i++, ++ei) {
+    cls_log_entry& entry = ei->second;
+
+    ASSERT_EQ(i, ei->first);
+    check_entry(entry, start_time, i, false);
+  }
+
+  /* check list again, now want to be truncated*/
+  {
+    ASSERT_EQ(0, log_list(ioctx, oid, start_time, to_time, 1,
+                          entries, &truncated));
+    ASSERT_EQ(1, (int)entries.size());
+    ASSERT_EQ(1, (int)truncated);
+  }
+}
+
+TEST_F(cls_log, test_log_add_different_time)
+{
+  /* add chains */
+  string oid = "obj";
+
+  /* create object */
+  ASSERT_EQ(0, ioctx.create(oid, true));
+
+  /* generate log */
+  utime_t start_time = ceph_clock_now();
+  generate_log(ioctx, oid, 10, start_time, true);
+
+  list<cls_log_entry> entries;
+  bool truncated;
+
+  utime_t to_time = utime_t(start_time.sec() + 10, start_time.nsec());
+
+  {
+    /* check list */
+    ASSERT_EQ(0, log_list(ioctx, oid, start_time, to_time, 0,
+                          entries, &truncated));
+    ASSERT_EQ(10, (int)entries.size());
+    ASSERT_EQ(0, (int)truncated);
+  }
+
+  list<cls_log_entry>::iterator iter;
+
+  /* returned entries should be sorted by time */
+  map<int, cls_log_entry> check_ents;
+
+  int i;
+
+  for (i = 0, iter = entries.begin(); iter != entries.end(); ++iter, ++i) {
+    cls_log_entry& entry = *iter;
+
+    int num;
+
+    ASSERT_EQ(0, read_bl(entry.data, &num));
+
+    ASSERT_EQ(i, num);
+
+    check_entry(entry, start_time, i, true);
+  }
+
+  /* check list again with shifted time */
+  {
+    utime_t next_time = get_time(start_time, 1, true);
+    ASSERT_EQ(0, log_list(ioctx, oid, next_time, to_time, 0,
+                          entries, &truncated));
+    ASSERT_EQ(9u, entries.size());
+    ASSERT_FALSE(truncated);
+  }
+
+  string marker;
+  i = 0;
+  do {
+    string old_marker = std::move(marker);
+    ASSERT_EQ(0, log_list(ioctx, oid, start_time, to_time, old_marker, 1,
+                          entries, &marker, &truncated));
+    ASSERT_NE(old_marker, marker);
+    ASSERT_EQ(1, (int)entries.size());
+
+    ++i;
+    ASSERT_GE(10, i);
+  } while (truncated);
+
+  ASSERT_EQ(10, i);
+}
+
+int do_log_trim(librados::IoCtx& ioctx, const std::string& oid,
+                const std::string& from_marker, const std::string& to_marker)
+{
+  librados::ObjectWriteOperation op;
+  cls_log_trim(op, {}, {}, from_marker, to_marker);
+  return ioctx.operate(oid, &op);
+}
+
+int do_log_trim(librados::IoCtx& ioctx, const std::string& oid,
+                const utime_t& from_time, const utime_t& to_time)
+{
+  librados::ObjectWriteOperation op;
+  cls_log_trim(op, from_time, to_time, "", "");
+  return ioctx.operate(oid, &op);
+}
+
+TEST_F(cls_log, trim_by_time)
+{
+  /* add chains */
+  string oid = "obj";
+
+  /* create object */
+  ASSERT_EQ(0, ioctx.create(oid, true));
+
+  /* generate log */
+  utime_t start_time = ceph_clock_now();
+  generate_log(ioctx, oid, 10, start_time, true);
+
+  list<cls_log_entry> entries;
+  bool truncated;
+
+  /* check list */
+
+  /* trim */
+  utime_t to_time = get_time(start_time, 10, true);
+
+  for (int i = 0; i < 10; i++) {
+    utime_t trim_time = get_time(start_time, i, true);
+
+    utime_t zero_time;
+
+    ASSERT_EQ(0, do_log_trim(ioctx, oid, zero_time, trim_time));
+    ASSERT_EQ(-ENODATA, do_log_trim(ioctx, oid, zero_time, trim_time));
+
+    ASSERT_EQ(0, log_list(ioctx, oid, start_time, to_time, 0,
+                          entries, &truncated));
+    ASSERT_EQ(9u - i, entries.size());
+    ASSERT_FALSE(truncated);
+  }
+}
+
+TEST_F(cls_log, trim_by_marker)
+{
+  string oid = "obj";
+  ASSERT_EQ(0, ioctx.create(oid, true));
+
+  utime_t start_time = ceph_clock_now();
+  generate_log(ioctx, oid, 10, start_time, true);
+
+  utime_t zero_time;
+  std::vector<cls_log_entry> log1;
+  {
+    list<cls_log_entry> entries;
+    ASSERT_EQ(0, log_list(ioctx, oid, entries));
+    ASSERT_EQ(10u, entries.size());
+
+    log1.assign(std::make_move_iterator(entries.begin()),
+                std::make_move_iterator(entries.end()));
+  }
+  // trim front of log
+  {
+    const std::string from = "";
+    const std::string to = log1[0].id;
+    ASSERT_EQ(0, do_log_trim(ioctx, oid, from, to));
+    list<cls_log_entry> entries;
+    ASSERT_EQ(0, log_list(ioctx, oid, entries));
+    ASSERT_EQ(9u, entries.size());
+    EXPECT_EQ(log1[1].id, entries.begin()->id);
+    ASSERT_EQ(-ENODATA, do_log_trim(ioctx, oid, from, to));
+  }
+  // trim back of log
+  {
+    const std::string from = log1[8].id;
+    const std::string to = "9";
+    ASSERT_EQ(0, do_log_trim(ioctx, oid, from, to));
+    list<cls_log_entry> entries;
+    ASSERT_EQ(0, log_list(ioctx, oid, entries));
+    ASSERT_EQ(8u, entries.size());
+    EXPECT_EQ(log1[8].id, entries.rbegin()->id);
+    ASSERT_EQ(-ENODATA, do_log_trim(ioctx, oid, from, to));
+  }
+  // trim a key from the middle
+  {
+    const std::string from = log1[3].id;
+    const std::string to = log1[4].id;
+    ASSERT_EQ(0, do_log_trim(ioctx, oid, from, to));
+    list<cls_log_entry> entries;
+    ASSERT_EQ(0, log_list(ioctx, oid, entries));
+    ASSERT_EQ(7u, entries.size());
+    ASSERT_EQ(-ENODATA, do_log_trim(ioctx, oid, from, to));
+  }
+  // trim full log
+  {
+    const std::string from = "";
+    const std::string to = "9";
+    ASSERT_EQ(0, do_log_trim(ioctx, oid, from, to));
+    list<cls_log_entry> entries;
+    ASSERT_EQ(0, log_list(ioctx, oid, entries));
+    ASSERT_EQ(0u, entries.size());
+    ASSERT_EQ(-ENODATA, do_log_trim(ioctx, oid, from, to));
+  }
+}