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test_mock_PromoteRequest.cc
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test_mock_PromoteRequest.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/journal/mock/MockJournaler.h"
#include "librbd/journal/OpenRequest.h"
#include "librbd/journal/PromoteRequest.h"
namespace librbd {
namespace {
struct MockTestImageCtx : public MockImageCtx {
MockTestImageCtx(librbd::ImageCtx& image_ctx) : MockImageCtx(image_ctx) {
}
};
} // anonymous namespace
namespace journal {
template <>
struct TypeTraits<MockTestImageCtx> {
typedef ::journal::MockJournalerProxy Journaler;
};
template <>
struct OpenRequest<MockTestImageCtx> {
Context *on_finish = nullptr;
static OpenRequest *s_instance;
static OpenRequest *create(MockTestImageCtx *image_ctx,
::journal::MockJournalerProxy *journaler,
Mutex *lock, ImageClientMeta *client_meta,
uint64_t *tag_tid, journal::TagData *tag_data,
Context *on_finish) {
assert(s_instance != nullptr);
client_meta->tag_class = 456;
tag_data->mirror_uuid = Journal<>::ORPHAN_MIRROR_UUID;
*tag_tid = 567;
s_instance->on_finish = on_finish;
return s_instance;
}
OpenRequest() {
s_instance = this;
}
MOCK_METHOD0(send, void());
};
OpenRequest<MockTestImageCtx> *OpenRequest<MockTestImageCtx>::s_instance = nullptr;
} // namespace journal
} // namespace librbd
// template definitions
#include "librbd/journal/PromoteRequest.cc"
template class librbd::journal::PromoteRequest<librbd::MockTestImageCtx>;
namespace librbd {
namespace journal {
using ::testing::_;
using ::testing::InSequence;
using ::testing::WithArg;
class TestMockJournalPromoteRequest : public TestMockFixture {
public:
typedef PromoteRequest<MockTestImageCtx> MockPromoteRequest;
typedef OpenRequest<MockTestImageCtx> MockOpenRequest;
void expect_construct_journaler(::journal::MockJournaler &mock_journaler) {
EXPECT_CALL(mock_journaler, construct());
}
void expect_open_journaler(MockTestImageCtx &mock_image_ctx,
MockOpenRequest &mock_open_request, int r) {
EXPECT_CALL(mock_open_request, send())
.WillOnce(FinishRequest(&mock_open_request, r, &mock_image_ctx));
}
void expect_allocate_tag(::journal::MockJournaler &mock_journaler,
const journal::TagPredecessor &predecessor, int r) {
TagData tag_data;
tag_data.mirror_uuid = Journal<>::LOCAL_MIRROR_UUID;
tag_data.predecessor = predecessor;
bufferlist tag_data_bl;
::encode(tag_data, tag_data_bl);
EXPECT_CALL(mock_journaler, allocate_tag(456, ContentsEqual(tag_data_bl),
_, _))
.WillOnce(WithArg<3>(CompleteContext(r, static_cast<ContextWQ*>(NULL))));
}
void expect_shut_down_journaler(::journal::MockJournaler &mock_journaler,
int r) {
EXPECT_CALL(mock_journaler, shut_down(_))
.WillOnce(CompleteContext(r, static_cast<ContextWQ*>(NULL)));
}
};
TEST_F(TestMockJournalPromoteRequest, SuccessOrderly) {
REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
::journal::MockJournaler mock_journaler;
MockOpenRequest mock_open_request;
expect_op_work_queue(mock_image_ctx);
InSequence seq;
expect_construct_journaler(mock_journaler);
expect_open_journaler(mock_image_ctx, mock_open_request, 0);
expect_allocate_tag(mock_journaler,
{Journal<>::ORPHAN_MIRROR_UUID, true, 567, 1}, 0);
expect_shut_down_journaler(mock_journaler, 0);
C_SaferCond ctx;
auto req = MockPromoteRequest::create(&mock_image_ctx, false, &ctx);
req->send();
ASSERT_EQ(0, ctx.wait());
}
TEST_F(TestMockJournalPromoteRequest, SuccessForced) {
REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
::journal::MockJournaler mock_journaler;
MockOpenRequest mock_open_request;
expect_op_work_queue(mock_image_ctx);
InSequence seq;
expect_construct_journaler(mock_journaler);
expect_open_journaler(mock_image_ctx, mock_open_request, 0);
expect_allocate_tag(mock_journaler,
{Journal<>::LOCAL_MIRROR_UUID, true, 567, 0}, 0);
expect_shut_down_journaler(mock_journaler, 0);
C_SaferCond ctx;
auto req = MockPromoteRequest::create(&mock_image_ctx, true, &ctx);
req->send();
ASSERT_EQ(0, ctx.wait());
}
TEST_F(TestMockJournalPromoteRequest, OpenError) {
REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
::journal::MockJournaler mock_journaler;
MockOpenRequest mock_open_request;
expect_op_work_queue(mock_image_ctx);
InSequence seq;
expect_construct_journaler(mock_journaler);
expect_open_journaler(mock_image_ctx, mock_open_request, -ENOENT);
expect_shut_down_journaler(mock_journaler, -EINVAL);
C_SaferCond ctx;
auto req = MockPromoteRequest::create(&mock_image_ctx, false, &ctx);
req->send();
ASSERT_EQ(-ENOENT, ctx.wait());
}
TEST_F(TestMockJournalPromoteRequest, AllocateTagError) {
REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
::journal::MockJournaler mock_journaler;
MockOpenRequest mock_open_request;
expect_op_work_queue(mock_image_ctx);
InSequence seq;
expect_construct_journaler(mock_journaler);
expect_open_journaler(mock_image_ctx, mock_open_request, 0);
expect_allocate_tag(mock_journaler,
{Journal<>::LOCAL_MIRROR_UUID, true, 567, 0}, -EBADMSG);
expect_shut_down_journaler(mock_journaler, -EINVAL);
C_SaferCond ctx;
auto req = MockPromoteRequest::create(&mock_image_ctx, true, &ctx);
req->send();
ASSERT_EQ(-EBADMSG, ctx.wait());
}
TEST_F(TestMockJournalPromoteRequest, ShutDownError) {
REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockTestImageCtx mock_image_ctx(*ictx);
::journal::MockJournaler mock_journaler;
MockOpenRequest mock_open_request;
expect_op_work_queue(mock_image_ctx);
InSequence seq;
expect_construct_journaler(mock_journaler);
expect_open_journaler(mock_image_ctx, mock_open_request, 0);
expect_allocate_tag(mock_journaler,
{Journal<>::LOCAL_MIRROR_UUID, true, 567, 0}, 0);
expect_shut_down_journaler(mock_journaler, -EINVAL);
C_SaferCond ctx;
auto req = MockPromoteRequest::create(&mock_image_ctx, true, &ctx);
req->send();
ASSERT_EQ(-EINVAL, ctx.wait());
}
} // namespace journal
} // namespace librbd