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test: unit test cases for disabling librbd journal by policy
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
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Jason Dillaman
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Aug 2, 2016
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| Original file line number | Diff line number | Diff line change |
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| // -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | ||
| // vim: ts=8 sw=2 smarttab | ||
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| #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 "librbd/AsyncRequest.h" | ||
| #include "librbd/operation/Request.h" | ||
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| namespace librbd { | ||
| namespace { | ||
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| struct MockTestImageCtx : public MockImageCtx { | ||
| MockTestImageCtx(ImageCtx &image_ctx) : MockImageCtx(image_ctx) { | ||
| } | ||
| }; | ||
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| } // anonymous namespace | ||
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| template <> | ||
| struct AsyncRequest<librbd::MockTestImageCtx> { | ||
| librbd::MockTestImageCtx &m_image_ctx; | ||
| Context *m_on_finish; | ||
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| AsyncRequest(librbd::MockTestImageCtx &image_ctx, Context *on_finish) | ||
| : m_image_ctx(image_ctx), m_on_finish(on_finish) { | ||
| } | ||
| virtual ~AsyncRequest() { | ||
| } | ||
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| virtual void finish(int r) { | ||
| m_on_finish->complete(r); | ||
| } | ||
| virtual void finish_and_destroy(int r) { | ||
| finish(r); | ||
| delete this; | ||
| } | ||
| }; | ||
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| } // namespace librbd | ||
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| #include "librbd/operation/Request.cc" | ||
| template class librbd::operation::Request<librbd::MockTestImageCtx>; | ||
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| namespace librbd { | ||
| namespace journal { | ||
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| std::ostream& operator<<(std::ostream& os, const Event&) { | ||
| return os; | ||
| } | ||
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| } // namespace journal | ||
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| namespace operation { | ||
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| using ::testing::InSequence; | ||
| using ::testing::Invoke; | ||
| using ::testing::Return; | ||
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| struct MockRequest : public Request<librbd::MockTestImageCtx> { | ||
| MockRequest(librbd::MockTestImageCtx &image_ctx, Context *on_finish, | ||
| uint64_t journal_op_tid) | ||
| : Request<librbd::MockTestImageCtx>(image_ctx, on_finish, journal_op_tid) { | ||
| } | ||
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| void complete(int r) { | ||
| finish_and_destroy(r); | ||
| } | ||
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| void send_op_impl(int r) { | ||
| bool appending = append_op_event< | ||
| MockRequest, &MockRequest::handle_send>(this); | ||
| if (!appending) { | ||
| complete(r); | ||
| } | ||
| } | ||
| MOCK_METHOD1(should_complete, bool(int)); | ||
| MOCK_METHOD0(send_op, void()); | ||
| MOCK_METHOD1(handle_send, Context*(int*)); | ||
| MOCK_CONST_METHOD0(can_affect_io, bool()); | ||
| MOCK_CONST_METHOD1(create_event, journal::Event(uint64_t)); | ||
| }; | ||
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| struct TestMockOperationRequest : public TestMockFixture { | ||
| void expect_can_affect_io(MockRequest &mock_request, bool can_affect) { | ||
| EXPECT_CALL(mock_request, can_affect_io()) | ||
| .WillOnce(Return(can_affect)); | ||
| } | ||
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| void expect_is_journal_replaying(MockJournal &mock_journal, bool replaying) { | ||
| EXPECT_CALL(mock_journal, is_journal_replaying()) | ||
| .WillOnce(Return(replaying)); | ||
| } | ||
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| void expect_is_journal_appending(MockJournal &mock_journal, bool appending) { | ||
| EXPECT_CALL(mock_journal, is_journal_appending()) | ||
| .WillOnce(Return(appending)); | ||
| } | ||
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| void expect_send_op(MockRequest &mock_request, int r) { | ||
| EXPECT_CALL(mock_request, send_op()) | ||
| .WillOnce(Invoke([&mock_request, r]() { | ||
| mock_request.complete(r); | ||
| })); | ||
| } | ||
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| void expect_send_op_affects_io(MockImageCtx &mock_image_ctx, | ||
| MockRequest &mock_request, int r) { | ||
| EXPECT_CALL(mock_request, send_op()) | ||
| .WillOnce(Invoke([&mock_image_ctx, &mock_request, r]() { | ||
| mock_image_ctx.image_ctx->op_work_queue->queue( | ||
| new FunctionContext([&mock_request, r](int _) { | ||
| mock_request.send_op_impl(r); | ||
| }), 0); | ||
| })); | ||
| } | ||
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| }; | ||
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| TEST_F(TestMockOperationRequest, SendJournalDisabled) { | ||
| REQUIRE_FEATURE(RBD_FEATURE_JOURNALING); | ||
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| librbd::ImageCtx *ictx; | ||
| ASSERT_EQ(0, open_image(m_image_name, &ictx)); | ||
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| MockTestImageCtx mock_image_ctx(*ictx); | ||
| MockJournal mock_journal; | ||
| mock_image_ctx.journal = &mock_journal; | ||
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| C_SaferCond ctx; | ||
| MockRequest *mock_request = new MockRequest(mock_image_ctx, &ctx, 0); | ||
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| InSequence seq; | ||
| expect_can_affect_io(*mock_request, false); | ||
| expect_is_journal_appending(mock_journal, false); | ||
| expect_send_op(*mock_request, 0); | ||
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| { | ||
| RWLock::RLocker owner_locker(mock_image_ctx.owner_lock); | ||
| mock_request->send(); | ||
| } | ||
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| ASSERT_EQ(0, ctx.wait()); | ||
| } | ||
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| TEST_F(TestMockOperationRequest, SendAffectsIOJournalDisabled) { | ||
| REQUIRE_FEATURE(RBD_FEATURE_JOURNALING); | ||
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| librbd::ImageCtx *ictx; | ||
| ASSERT_EQ(0, open_image(m_image_name, &ictx)); | ||
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| MockTestImageCtx mock_image_ctx(*ictx); | ||
| MockJournal mock_journal; | ||
| mock_image_ctx.journal = &mock_journal; | ||
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| C_SaferCond ctx; | ||
| MockRequest *mock_request = new MockRequest(mock_image_ctx, &ctx, 0); | ||
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| InSequence seq; | ||
| expect_can_affect_io(*mock_request, true); | ||
| expect_send_op_affects_io(mock_image_ctx, *mock_request, 0); | ||
| expect_can_affect_io(*mock_request, true); | ||
| expect_is_journal_replaying(mock_journal, false); | ||
| expect_is_journal_appending(mock_journal, false); | ||
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| { | ||
| RWLock::RLocker owner_locker(mock_image_ctx.owner_lock); | ||
| mock_request->send(); | ||
| } | ||
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| ASSERT_EQ(0, ctx.wait()); | ||
| } | ||
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| } // namespace operation | ||
| } // namespace librbd |
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