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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 "include/rados/librados.hpp"
#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
#include "test/librados_test_stub/MockTestMemRadosClient.h"
#include "test/librbd/test_support.h"
#include "test/librbd/mock/MockImageCtx.h"
#include "librados/AioCompletionImpl.h"
#include "librbd/watcher/RewatchRequest.h"
namespace librbd {
namespace watcher {
using ::testing::_;
using ::testing::DoAll;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::Return;
using ::testing::WithArg;
using ::testing::WithArgs;
struct TestMockWatcherRewatchRequest : public TestMockFixture {
typedef RewatchRequest MockRewatchRequest;
TestMockWatcherRewatchRequest() = default;
void expect_aio_watch(MockImageCtx &mock_image_ctx, int r) {
librados::MockTestMemIoCtxImpl &mock_io_ctx(get_mock_io_ctx(
mock_image_ctx.md_ctx));
EXPECT_CALL(mock_io_ctx, aio_watch(mock_image_ctx.header_oid, _, _, _))
.WillOnce(DoAll(WithArgs<1, 2>(Invoke([&mock_image_ctx, &mock_io_ctx, r](librados::AioCompletionImpl *c, uint64_t *cookie) {
*cookie = 234;
c->get();
mock_image_ctx.image_ctx->op_work_queue->queue(new LambdaContext([&mock_io_ctx, c](int r) {
mock_io_ctx.get_mock_rados_client()->finish_aio_completion(c, r);
}), r);
})),
Return(0)));
}
void expect_aio_unwatch(MockImageCtx &mock_image_ctx, int r) {
librados::MockTestMemIoCtxImpl &mock_io_ctx(get_mock_io_ctx(
mock_image_ctx.md_ctx));
EXPECT_CALL(mock_io_ctx, aio_unwatch(m_watch_handle, _))
.WillOnce(DoAll(Invoke([&mock_image_ctx, &mock_io_ctx, r](uint64_t handle,
librados::AioCompletionImpl *c) {
c->get();
mock_image_ctx.image_ctx->op_work_queue->queue(new LambdaContext([&mock_io_ctx, c](int r) {
mock_io_ctx.get_mock_rados_client()->finish_aio_completion(c, r);
}), r);
}),
Return(0)));
}
struct WatchCtx : public librados::WatchCtx2 {
void handle_notify(uint64_t, uint64_t, uint64_t,
ceph::bufferlist&) override {
ceph_abort();
}
void handle_error(uint64_t, int) override {
ceph_abort();
}
};
ceph::shared_mutex m_watch_lock = ceph::make_shared_mutex("watch_lock");
WatchCtx m_watch_ctx;
uint64_t m_watch_handle = 123;
};
TEST_F(TestMockWatcherRewatchRequest, Success) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockImageCtx mock_image_ctx(*ictx);
InSequence seq;
expect_aio_unwatch(mock_image_ctx, 0);
expect_aio_watch(mock_image_ctx, 0);
C_SaferCond ctx;
MockRewatchRequest *req = MockRewatchRequest::create(mock_image_ctx.md_ctx,
mock_image_ctx.header_oid,
m_watch_lock,
&m_watch_ctx,
&m_watch_handle,
&ctx);
{
std::unique_lock watch_locker{m_watch_lock};
req->send();
}
ASSERT_EQ(0, ctx.wait());
ASSERT_EQ(234U, m_watch_handle);
}
TEST_F(TestMockWatcherRewatchRequest, UnwatchError) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockImageCtx mock_image_ctx(*ictx);
InSequence seq;
expect_aio_unwatch(mock_image_ctx, -EINVAL);
expect_aio_watch(mock_image_ctx, 0);
C_SaferCond ctx;
MockRewatchRequest *req = MockRewatchRequest::create(mock_image_ctx.md_ctx,
mock_image_ctx.header_oid,
m_watch_lock,
&m_watch_ctx,
&m_watch_handle,
&ctx);
{
std::unique_lock watch_locker{m_watch_lock};
req->send();
}
ASSERT_EQ(0, ctx.wait());
ASSERT_EQ(234U, m_watch_handle);
}
TEST_F(TestMockWatcherRewatchRequest, WatchBlocklist) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockImageCtx mock_image_ctx(*ictx);
InSequence seq;
expect_aio_unwatch(mock_image_ctx, 0);
expect_aio_watch(mock_image_ctx, -EBLOCKLISTED);
C_SaferCond ctx;
MockRewatchRequest *req = MockRewatchRequest::create(mock_image_ctx.md_ctx,
mock_image_ctx.header_oid,
m_watch_lock,
&m_watch_ctx,
&m_watch_handle,
&ctx);
{
std::unique_lock watch_locker{m_watch_lock};
req->send();
}
ASSERT_EQ(-EBLOCKLISTED, ctx.wait());
ASSERT_EQ(0U, m_watch_handle);
}
TEST_F(TestMockWatcherRewatchRequest, WatchDNE) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockImageCtx mock_image_ctx(*ictx);
InSequence seq;
expect_aio_unwatch(mock_image_ctx, 0);
expect_aio_watch(mock_image_ctx, -ENOENT);
C_SaferCond ctx;
MockRewatchRequest *req = MockRewatchRequest::create(mock_image_ctx.md_ctx,
mock_image_ctx.header_oid,
m_watch_lock,
&m_watch_ctx,
&m_watch_handle,
&ctx);
{
std::unique_lock watch_locker{m_watch_lock};
req->send();
}
ASSERT_EQ(-ENOENT, ctx.wait());
ASSERT_EQ(0U, m_watch_handle);
}
TEST_F(TestMockWatcherRewatchRequest, WatchError) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockImageCtx mock_image_ctx(*ictx);
InSequence seq;
expect_aio_unwatch(mock_image_ctx, 0);
expect_aio_watch(mock_image_ctx, -EINVAL);
C_SaferCond ctx;
MockRewatchRequest *req = MockRewatchRequest::create(mock_image_ctx.md_ctx,
mock_image_ctx.header_oid,
m_watch_lock,
&m_watch_ctx,
&m_watch_handle,
&ctx);
{
std::unique_lock watch_locker{m_watch_lock};
req->send();
}
ASSERT_EQ(-EINVAL, ctx.wait());
ASSERT_EQ(0U, m_watch_handle);
}
TEST_F(TestMockWatcherRewatchRequest, InvalidWatchHandler) {
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
MockImageCtx mock_image_ctx(*ictx);
InSequence seq;
expect_aio_watch(mock_image_ctx, 0);
m_watch_handle = 0;
C_SaferCond ctx;
MockRewatchRequest *req = MockRewatchRequest::create(mock_image_ctx.md_ctx,
mock_image_ctx.header_oid,
m_watch_lock,
&m_watch_ctx,
&m_watch_handle,
&ctx);
{
std::unique_lock watch_locker{m_watch_lock};
req->send();
}
ASSERT_EQ(0, ctx.wait());
ASSERT_EQ(234U, m_watch_handle);
}
} // namespace watcher
} // namespace librbd
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