X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Flibrbd%2Fexclusive_lock%2Ftest_mock_PreReleaseRequest.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Flibrbd%2Fexclusive_lock%2Ftest_mock_PreReleaseRequest.cc;h=44aa012568d12d935408ad6398146e2e806cb153;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/test/librbd/exclusive_lock/test_mock_PreReleaseRequest.cc b/src/ceph/src/test/librbd/exclusive_lock/test_mock_PreReleaseRequest.cc
new file mode 100644
index 0000000..44aa012
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+++ b/src/ceph/src/test/librbd/exclusive_lock/test_mock_PreReleaseRequest.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 "test/librbd/test_mock_fixture.h"
+#include "test/librbd/test_support.h"
+#include "test/librbd/mock/MockImageCtx.h"
+#include "test/librbd/mock/MockJournal.h"
+#include "test/librbd/mock/MockObjectMap.h"
+#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
+#include "common/AsyncOpTracker.h"
+#include "librbd/exclusive_lock/PreReleaseRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include <list>
+
+// template definitions
+#include "librbd/exclusive_lock/PreReleaseRequest.cc"
+template class librbd::exclusive_lock::PreReleaseRequest<librbd::MockImageCtx>;
+
+namespace librbd {
+
+namespace exclusive_lock {
+
+namespace {
+
+struct MockContext : public Context {
+  MOCK_METHOD1(complete, void(int));
+  MOCK_METHOD1(finish, void(int));
+};
+
+} // anonymous namespace
+
+using ::testing::_;
+using ::testing::InSequence;
+using ::testing::Invoke;
+using ::testing::Return;
+using ::testing::StrEq;
+using ::testing::WithArg;
+
+static const std::string TEST_COOKIE("auto 123");
+
+class TestMockExclusiveLockPreReleaseRequest : public TestMockFixture {
+public:
+  typedef PreReleaseRequest<MockImageCtx> MockPreReleaseRequest;
+
+  void expect_complete_context(MockContext &mock_context, int r) {
+    EXPECT_CALL(mock_context, complete(r));
+  }
+
+  void expect_test_features(MockImageCtx &mock_image_ctx, uint64_t features,
+                            bool enabled) {
+    EXPECT_CALL(mock_image_ctx, test_features(features))
+                  .WillOnce(Return(enabled));
+  }
+
+  void expect_set_require_lock(MockImageCtx &mock_image_ctx,
+                               librbd::io::Direction direction, bool enabled) {
+    EXPECT_CALL(*mock_image_ctx.io_work_queue, set_require_lock(direction,
+                                                                enabled));
+  }
+
+  void expect_block_writes(MockImageCtx &mock_image_ctx, int r) {
+    expect_test_features(mock_image_ctx, RBD_FEATURE_JOURNALING,
+                         ((mock_image_ctx.features & RBD_FEATURE_JOURNALING) != 0));
+    if (mock_image_ctx.clone_copy_on_read ||
+        (mock_image_ctx.features & RBD_FEATURE_JOURNALING) != 0) {
+      expect_set_require_lock(mock_image_ctx, librbd::io::DIRECTION_BOTH, true);
+    } else {
+      expect_set_require_lock(mock_image_ctx, librbd::io::DIRECTION_WRITE,
+                              true);
+    }
+    EXPECT_CALL(*mock_image_ctx.io_work_queue, block_writes(_))
+                  .WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
+  }
+
+  void expect_unblock_writes(MockImageCtx &mock_image_ctx) {
+    EXPECT_CALL(*mock_image_ctx.io_work_queue, unblock_writes());
+  }
+
+  void expect_cancel_op_requests(MockImageCtx &mock_image_ctx, int r) {
+    EXPECT_CALL(mock_image_ctx, cancel_async_requests(_))
+                  .WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
+  }
+
+  void expect_close_journal(MockImageCtx &mock_image_ctx,
+                           MockJournal &mock_journal, int r) {
+    EXPECT_CALL(mock_journal, close(_))
+                  .WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
+  }
+
+  void expect_close_object_map(MockImageCtx &mock_image_ctx,
+                               MockObjectMap &mock_object_map) {
+    EXPECT_CALL(mock_object_map, close(_))
+                  .WillOnce(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue));
+  }
+
+  void expect_invalidate_cache(MockImageCtx &mock_image_ctx, bool purge,
+                               int r) {
+    if (mock_image_ctx.object_cacher != nullptr) {
+      EXPECT_CALL(mock_image_ctx, invalidate_cache(purge, _))
+                    .WillOnce(WithArg<1>(CompleteContext(r, static_cast<ContextWQ*>(NULL)))); 
+    }
+  }
+
+  void expect_is_cache_empty(MockImageCtx &mock_image_ctx, bool empty) {
+    if (mock_image_ctx.object_cacher != nullptr) {
+      EXPECT_CALL(mock_image_ctx, is_cache_empty())
+        .WillOnce(Return(empty));
+    }
+  }
+
+  void expect_flush_notifies(MockImageCtx &mock_image_ctx) {
+    EXPECT_CALL(*mock_image_ctx.image_watcher, flush(_))
+                  .WillOnce(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue));
+  }
+
+  void expect_prepare_lock(MockImageCtx &mock_image_ctx) {
+    EXPECT_CALL(*mock_image_ctx.state, prepare_lock(_))
+      .WillOnce(Invoke([](Context *on_ready) {
+                  on_ready->complete(0);
+                }));
+  }
+
+  void expect_handle_prepare_lock_complete(MockImageCtx &mock_image_ctx) {
+    EXPECT_CALL(*mock_image_ctx.state, handle_prepare_lock_complete());
+  }
+
+  AsyncOpTracker m_async_op_tracker;
+};
+
+TEST_F(TestMockExclusiveLockPreReleaseRequest, Success) {
+  REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  expect_op_work_queue(mock_image_ctx);
+
+  InSequence seq;
+
+  expect_prepare_lock(mock_image_ctx);
+  expect_cancel_op_requests(mock_image_ctx, 0);
+  expect_block_writes(mock_image_ctx, 0);
+  expect_invalidate_cache(mock_image_ctx, false, 0);
+  expect_flush_notifies(mock_image_ctx);
+
+  MockJournal *mock_journal = new MockJournal();
+  mock_image_ctx.journal = mock_journal;
+  expect_close_journal(mock_image_ctx, *mock_journal, -EINVAL);
+
+  MockObjectMap *mock_object_map = new MockObjectMap();
+  mock_image_ctx.object_map = mock_object_map;
+  expect_close_object_map(mock_image_ctx, *mock_object_map);
+
+  expect_handle_prepare_lock_complete(mock_image_ctx);
+
+  C_SaferCond ctx;
+  MockPreReleaseRequest *req = MockPreReleaseRequest::create(
+    mock_image_ctx, false, m_async_op_tracker, &ctx);
+  req->send();
+  ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockExclusiveLockPreReleaseRequest, SuccessJournalDisabled) {
+  REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_block_writes(mock_image_ctx, 0);
+  expect_op_work_queue(mock_image_ctx);
+
+  InSequence seq;
+  expect_prepare_lock(mock_image_ctx);
+  expect_cancel_op_requests(mock_image_ctx, 0);
+  expect_invalidate_cache(mock_image_ctx, false, 0);
+  expect_flush_notifies(mock_image_ctx);
+
+  MockObjectMap *mock_object_map = new MockObjectMap();
+  mock_image_ctx.object_map = mock_object_map;
+  expect_close_object_map(mock_image_ctx, *mock_object_map);
+
+  expect_handle_prepare_lock_complete(mock_image_ctx);
+
+  C_SaferCond ctx;
+  MockPreReleaseRequest *req = MockPreReleaseRequest::create(
+    mock_image_ctx, false, m_async_op_tracker, &ctx);
+  req->send();
+  ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockExclusiveLockPreReleaseRequest, SuccessObjectMapDisabled) {
+  REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_block_writes(mock_image_ctx, 0);
+  expect_op_work_queue(mock_image_ctx);
+
+  InSequence seq;
+  expect_cancel_op_requests(mock_image_ctx, 0);
+  expect_invalidate_cache(mock_image_ctx, false, 0);
+  expect_flush_notifies(mock_image_ctx);
+
+  C_SaferCond release_ctx;
+  C_SaferCond ctx;
+  MockPreReleaseRequest *req = MockPreReleaseRequest::create(
+    mock_image_ctx, true, m_async_op_tracker, &ctx);
+  req->send();
+  ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockExclusiveLockPreReleaseRequest, Blacklisted) {
+  REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+  expect_op_work_queue(mock_image_ctx);
+
+  InSequence seq;
+  expect_prepare_lock(mock_image_ctx);
+  expect_cancel_op_requests(mock_image_ctx, 0);
+  expect_block_writes(mock_image_ctx, -EBLACKLISTED);
+  expect_invalidate_cache(mock_image_ctx, false, -EBLACKLISTED);
+  expect_is_cache_empty(mock_image_ctx, false);
+  expect_invalidate_cache(mock_image_ctx, true, -EBLACKLISTED);
+  expect_is_cache_empty(mock_image_ctx, true);
+  expect_flush_notifies(mock_image_ctx);
+
+  MockJournal *mock_journal = new MockJournal();
+  mock_image_ctx.journal = mock_journal;
+  expect_close_journal(mock_image_ctx, *mock_journal, -EBLACKLISTED);
+
+  MockObjectMap *mock_object_map = new MockObjectMap();
+  mock_image_ctx.object_map = mock_object_map;
+  expect_close_object_map(mock_image_ctx, *mock_object_map);
+
+  expect_handle_prepare_lock_complete(mock_image_ctx);
+
+  C_SaferCond ctx;
+  MockPreReleaseRequest *req = MockPreReleaseRequest::create(
+    mock_image_ctx, false, m_async_op_tracker, &ctx);
+  req->send();
+  ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockExclusiveLockPreReleaseRequest, BlockWritesError) {
+  REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  InSequence seq;
+  expect_cancel_op_requests(mock_image_ctx, 0);
+  expect_block_writes(mock_image_ctx, -EINVAL);
+  expect_unblock_writes(mock_image_ctx);
+
+  C_SaferCond ctx;
+  MockPreReleaseRequest *req = MockPreReleaseRequest::create(
+    mock_image_ctx, true, m_async_op_tracker, &ctx);
+  req->send();
+  ASSERT_EQ(-EINVAL, ctx.wait());
+}
+
+TEST_F(TestMockExclusiveLockPreReleaseRequest, UnlockError) {
+  REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  InSequence seq;
+  expect_cancel_op_requests(mock_image_ctx, 0);
+  expect_block_writes(mock_image_ctx, 0);
+  expect_invalidate_cache(mock_image_ctx, false, 0);
+  expect_flush_notifies(mock_image_ctx);
+
+  C_SaferCond ctx;
+  MockPreReleaseRequest *req = MockPreReleaseRequest::create(
+    mock_image_ctx, true, m_async_op_tracker, &ctx);
+  req->send();
+  ASSERT_EQ(0, ctx.wait());
+}
+
+} // namespace exclusive_lock
+} // namespace librbd