initial code repo

[stor4nfv.git] / src / ceph / src / test / journal / test_Journaler.cc

diff --git a/src/ceph/src/test/journal/test_Journaler.cc b/src/ceph/src/test/journal/test_Journaler.cc
new file mode 100644 (file)
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+++ b/src/ceph/src/test/journal/test_Journaler.cc
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "include/stringify.h"
+
+#include "journal/Journaler.h"
+#include "journal/Settings.h"
+
+#include "test/librados/test.h"
+#include "test/journal/RadosTestFixture.h"
+
+#include "gtest/gtest.h"
+
+// reinclude our assert to clobber the system one
+#include "include/assert.h"
+
+class TestJournaler : public RadosTestFixture {
+public:
+
+  static const std::string CLIENT_ID;
+
+  static std::string get_temp_journal_id() {
+    return stringify(++_journal_id);
+  }
+
+  void SetUp() override {
+    RadosTestFixture::SetUp();
+    m_journal_id = get_temp_journal_id();
+    m_journaler = new journal::Journaler(m_work_queue, m_timer, &m_timer_lock,
+                                         m_ioctx, m_journal_id, CLIENT_ID, {});
+  }
+
+  void TearDown() override {
+    delete m_journaler;
+    RadosTestFixture::TearDown();
+  }
+
+  int create_journal(uint8_t order, uint8_t splay_width) {
+    C_SaferCond cond;
+    m_journaler->create(order, splay_width, -1, &cond);
+    return cond.wait();
+  }
+
+  int init_journaler() {
+    C_SaferCond cond;
+    m_journaler->init(&cond);
+    return cond.wait();
+  }
+
+  int shut_down_journaler() {
+    C_SaferCond ctx;
+    m_journaler->shut_down(&ctx);
+    return ctx.wait();
+  }
+
+  int register_client(const std::string &client_id, const std::string &desc) {
+    journal::Journaler journaler(m_work_queue, m_timer, &m_timer_lock,
+                                 m_ioctx, m_journal_id, client_id, {});
+    bufferlist data;
+    data.append(desc);
+    C_SaferCond cond;
+    journaler.register_client(data, &cond);
+    return cond.wait();
+  }
+
+  int update_client(const std::string &client_id, const std::string &desc) {
+    journal::Journaler journaler(m_work_queue, m_timer, &m_timer_lock,
+                                 m_ioctx, m_journal_id, client_id, {});
+    bufferlist data;
+    data.append(desc);
+    C_SaferCond cond;
+    journaler.update_client(data, &cond);
+    return cond.wait();
+  }
+
+  int unregister_client(const std::string &client_id) {
+    journal::Journaler journaler(m_work_queue, m_timer, &m_timer_lock,
+                                 m_ioctx, m_journal_id, client_id, {});
+    C_SaferCond cond;
+    journaler.unregister_client(&cond);
+    return cond.wait();
+  }
+
+  static uint64_t _journal_id;
+
+  std::string m_journal_id;
+  journal::Journaler *m_journaler;
+};
+
+const std::string TestJournaler::CLIENT_ID = "client1";
+uint64_t TestJournaler::_journal_id = 0;
+
+TEST_F(TestJournaler, Create) {
+  ASSERT_EQ(0, create_journal(12, 8));
+}
+
+TEST_F(TestJournaler, CreateDuplicate) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(-EEXIST, create_journal(12, 8));
+}
+
+TEST_F(TestJournaler, CreateInvalidParams) {
+  ASSERT_EQ(-EDOM, create_journal(1, 8));
+  ASSERT_EQ(-EDOM, create_journal(123, 8));
+  ASSERT_EQ(-EINVAL, create_journal(12, 0));
+}
+
+TEST_F(TestJournaler, Init) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(0, register_client(CLIENT_ID, "foo"));
+  ASSERT_EQ(0, init_journaler());
+  ASSERT_EQ(0, shut_down_journaler());
+}
+
+TEST_F(TestJournaler, InitDNE) {
+  ASSERT_EQ(-ENOENT, init_journaler());
+  ASSERT_EQ(0, shut_down_journaler());
+}
+
+TEST_F(TestJournaler, RegisterClientDuplicate) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(0, register_client(CLIENT_ID, "foo"));
+  ASSERT_EQ(-EEXIST, register_client(CLIENT_ID, "foo2"));
+}
+
+TEST_F(TestJournaler, UpdateClient) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(0, register_client(CLIENT_ID, "foo"));
+  ASSERT_EQ(0, update_client(CLIENT_ID, "foo2"));
+}
+
+TEST_F(TestJournaler, UpdateClientDNE) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(-ENOENT, update_client(CLIENT_ID, "foo"));
+}
+
+TEST_F(TestJournaler, UnregisterClient) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(0, register_client(CLIENT_ID, "foo"));
+  ASSERT_EQ(0, unregister_client(CLIENT_ID));
+  // Test it does not exist and can be registered again
+  ASSERT_EQ(-ENOENT, update_client(CLIENT_ID, "foo"));
+  ASSERT_EQ(0, register_client(CLIENT_ID, "foo"));
+}
+
+TEST_F(TestJournaler, UnregisterClientDNE) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(-ENOENT, unregister_client(CLIENT_ID));
+}
+
+TEST_F(TestJournaler, AllocateTag) {
+  ASSERT_EQ(0, create_journal(12, 8));
+
+  cls::journal::Tag tag;
+
+  bufferlist data;
+  data.append(std::string(128, '1'));
+
+  // allocate a new tag class
+  C_SaferCond ctx1;
+  m_journaler->allocate_tag(data, &tag, &ctx1);
+  ASSERT_EQ(0, ctx1.wait());
+  ASSERT_EQ(cls::journal::Tag(0, 0, data), tag);
+
+  // re-use an existing tag class
+  C_SaferCond ctx2;
+  m_journaler->allocate_tag(tag.tag_class, bufferlist(), &tag, &ctx2);
+  ASSERT_EQ(0, ctx2.wait());
+  ASSERT_EQ(cls::journal::Tag(1, 0, bufferlist()), tag);
+}
+
+TEST_F(TestJournaler, GetTags) {
+  ASSERT_EQ(0, create_journal(12, 8));
+  ASSERT_EQ(0, register_client(CLIENT_ID, "foo"));
+
+  std::list<cls::journal::Tag> expected_tags;
+  for (size_t i = 0; i < 256; ++i) {
+    C_SaferCond ctx;
+    cls::journal::Tag tag;
+    if (i < 2) {
+      m_journaler->allocate_tag(bufferlist(), &tag, &ctx);
+    } else {
+      m_journaler->allocate_tag(i % 2, bufferlist(), &tag, &ctx);
+    }
+    ASSERT_EQ(0, ctx.wait());
+
+    if (i % 2 == 0) {
+      expected_tags.push_back(tag);
+    }
+  }
+
+  std::list<cls::journal::Tag> tags;
+  C_SaferCond ctx;
+  m_journaler->get_tags(0, &tags, &ctx);
+  ASSERT_EQ(0, ctx.wait());
+  ASSERT_EQ(expected_tags, tags);
+}