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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 "librbd/AsyncRequest.h"
#include "librbd/operation/Request.h"
namespace librbd {
namespace {
struct MockTestImageCtx : public MockImageCtx {
MockTestImageCtx(ImageCtx &image_ctx) : MockImageCtx(image_ctx) {
}
};
} // anonymous namespace
template <>
struct AsyncRequest<librbd::MockTestImageCtx> {
librbd::MockTestImageCtx &m_image_ctx;
Context *m_on_finish;
AsyncRequest(librbd::MockTestImageCtx &image_ctx, Context *on_finish)
: m_image_ctx(image_ctx), m_on_finish(on_finish) {
}
virtual ~AsyncRequest() {
}
virtual void finish(int r) {
m_on_finish->complete(r);
}
virtual void finish_and_destroy(int r) {
finish(r);
delete this;
}
};
} // namespace librbd
#include "librbd/operation/Request.cc"
namespace librbd {
namespace journal {
std::ostream& operator<<(std::ostream& os, const Event&) {
return os;
}
} // namespace journal
namespace operation {
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::Return;
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) {
}
void complete(int r) {
finish_and_destroy(r);
}
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));
};
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));
}
void expect_is_journal_replaying(MockJournal &mock_journal, bool replaying) {
EXPECT_CALL(mock_journal, is_journal_replaying())
.WillOnce(Return(replaying));
}
void expect_is_journal_appending(MockJournal &mock_journal, bool appending) {
EXPECT_CALL(mock_journal, is_journal_appending())
.WillOnce(Return(appending));
}
void expect_send_op(MockRequest &mock_request, int r) {
EXPECT_CALL(mock_request, send_op())
.WillOnce(Invoke([&mock_request, r]() {
mock_request.complete(r);
}));
}
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);
}));
}
};
TEST_F(TestMockOperationRequest, SendJournalDisabled) {
REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
MockJournal mock_journal;
mock_image_ctx.journal = &mock_journal;
C_SaferCond ctx;
MockRequest *mock_request = new MockRequest(mock_image_ctx, &ctx, 0);
InSequence seq;
expect_can_affect_io(*mock_request, false);
expect_is_journal_appending(mock_journal, false);
expect_send_op(*mock_request, 0);
{
RWLock::RLocker owner_locker(mock_image_ctx.owner_lock);
mock_request->send();
}
ASSERT_EQ(0, ctx.wait());
}
TEST_F(TestMockOperationRequest, SendAffectsIOJournalDisabled) {
REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
MockJournal mock_journal;
mock_image_ctx.journal = &mock_journal;
C_SaferCond ctx;
MockRequest *mock_request = new MockRequest(mock_image_ctx, &ctx, 0);
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);
{
RWLock::RLocker owner_locker(mock_image_ctx.owner_lock);
mock_request->send();
}
ASSERT_EQ(0, ctx.wait());
}
} // namespace operation
} // namespace librbd
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