+++ /dev/null
-// -*- 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/librados_test_stub/MockTestMemIoCtxImpl.h"
-#include "test/librados_test_stub/MockTestMemRadosClient.h"
-#include "common/Cond.h"
-#include "common/Mutex.h"
-#include "librados/AioCompletionImpl.h"
-#include "librbd/ObjectWatcher.h"
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include <list>
-
-namespace librbd {
-
-namespace {
-
-struct MockObjectWatcher : public ObjectWatcher<MockImageCtx> {
- std::string oid;
-
- MockObjectWatcher(MockImageCtx &mock_image_ctx, const std::string &oid)
- : ObjectWatcher<MockImageCtx>(mock_image_ctx.md_ctx,
- mock_image_ctx.op_work_queue),
- oid(oid) {
- }
-
- virtual std::string get_oid() const override {
- return oid;
- }
-
- virtual void handle_notify(uint64_t notify_id, uint64_t handle,
- bufferlist &bl) {
- }
-};
-
-} // anonymous namespace
-
-} // namespace librbd
-
-// template definitions
-#include "librbd/ObjectWatcher.cc"
-template class librbd::ObjectWatcher<librbd::MockImageCtx>;
-
-namespace librbd {
-
-using ::testing::_;
-using ::testing::DoDefault;
-using ::testing::Invoke;
-using ::testing::InSequence;
-using ::testing::Return;
-using ::testing::SaveArg;
-using ::testing::WithArg;
-
-class TestMockObjectWatcher : public TestMockFixture {
-public:
- TestMockObjectWatcher() : m_lock("TestMockObjectWatcher::m_lock") {
- }
-
- virtual void SetUp() {
- TestMockFixture::SetUp();
-
- m_oid = get_temp_image_name();
-
- bufferlist bl;
- ASSERT_EQ(0, m_ioctx.write_full(m_oid, bl));
- }
-
- void expect_aio_watch(MockImageCtx &mock_image_ctx, int r,
- const std::function<void()> &action = std::function<void()>()) {
- librados::MockTestMemIoCtxImpl &mock_io_ctx(get_mock_io_ctx(
- mock_image_ctx.md_ctx));
- librados::MockTestMemRadosClient *mock_rados_client(
- mock_io_ctx.get_mock_rados_client());
-
- auto &expect = EXPECT_CALL(mock_io_ctx, aio_watch(m_oid, _, _, _));
- if (r < 0) {
- expect.WillOnce(DoAll(WithArg<1>(Invoke([this, mock_rados_client, r, action](librados::AioCompletionImpl *c) {
- if (action) {
- action();
- }
-
- c->get();
- mock_rados_client->finish_aio_completion(c, r);
- notify_watch();
- })),
- Return(0)));
- } else {
- expect.WillOnce(DoAll(SaveArg<3>(&m_watch_ctx),
- Invoke([this, &mock_io_ctx, action](const std::string& o,
- librados::AioCompletionImpl *c,
- uint64_t *handle,
- librados::WatchCtx2 *ctx) {
- if (action) {
- action();
- }
-
- mock_io_ctx.do_aio_watch(o, c, handle, ctx);
- notify_watch();
- }),
- Return(0)));
- }
- }
-
- void expect_aio_unwatch(MockImageCtx &mock_image_ctx, int r,
- const std::function<void()> &action = std::function<void()>()) {
- librados::MockTestMemIoCtxImpl &mock_io_ctx(get_mock_io_ctx(
- mock_image_ctx.md_ctx));
-
- auto &expect = EXPECT_CALL(mock_io_ctx, aio_unwatch(_, _));
- if (r < 0) {
- expect.WillOnce(DoAll(Invoke([this, &mock_io_ctx, r, action](uint64_t handle,
- librados::AioCompletionImpl *c) {
- if (action) {
- action();
- }
-
- librados::AioCompletionImpl *dummy_c = new librados::AioCompletionImpl();
- mock_io_ctx.do_aio_unwatch(handle, dummy_c);
- ASSERT_EQ(0, dummy_c->wait_for_complete());
- dummy_c->release();
-
- c->get();
- mock_io_ctx.get_mock_rados_client()->finish_aio_completion(c, r);
- notify_watch();
- }),
- Return(0)));
- } else {
- expect.WillOnce(DoAll(Invoke([this, &mock_io_ctx, action](uint64_t handle,
- librados::AioCompletionImpl *c) {
- if (action) {
- action();
- }
-
- mock_io_ctx.do_aio_unwatch(handle, c);
- notify_watch();
- }),
- Return(0)));
- }
- }
-
- std::string m_oid;
- librados::WatchCtx2 *m_watch_ctx = nullptr;
-
- void notify_watch() {
- Mutex::Locker locker(m_lock);
- ++m_watch_count;
- m_cond.Signal();
- }
-
- bool wait_for_watch(MockImageCtx &mock_image_ctx, size_t count) {
- Mutex::Locker locker(m_lock);
- while (m_watch_count < count) {
- if (m_cond.WaitInterval(m_lock, utime_t(10, 0)) != 0) {
- return false;
- }
- }
- return true;
- }
-
- Mutex m_lock;
- Cond m_cond;
- size_t m_watch_count = 0;
-};
-
-TEST_F(TestMockObjectWatcher, Success) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- C_SaferCond unregister_ctx;
- mock_image_watcher.unregister_watch(&unregister_ctx);
- ASSERT_EQ(0, unregister_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, RegisterError) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, -EINVAL);
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(-EINVAL, register_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, UnregisterError) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, -EINVAL);
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- C_SaferCond unregister_ctx;
- mock_image_watcher.unregister_watch(&unregister_ctx);
- ASSERT_EQ(-EINVAL, unregister_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, Reregister) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- assert(m_watch_ctx != nullptr);
- m_watch_ctx->handle_error(0, -ESHUTDOWN);
-
- // wait for recovery unwatch/watch
- ASSERT_TRUE(wait_for_watch(mock_image_ctx, 3));
-
- C_SaferCond unregister_ctx;
- mock_image_watcher.unregister_watch(&unregister_ctx);
- ASSERT_EQ(0, unregister_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, ReregisterUnwatchError) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, -EINVAL);
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- assert(m_watch_ctx != nullptr);
- m_watch_ctx->handle_error(0, -ESHUTDOWN);
-
- // wait for recovery unwatch/watch
- ASSERT_TRUE(wait_for_watch(mock_image_ctx, 3));
-
- C_SaferCond unregister_ctx;
- mock_image_watcher.unregister_watch(&unregister_ctx);
- ASSERT_EQ(0, unregister_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, ReregisterWatchError) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
- expect_aio_watch(mock_image_ctx, -ESHUTDOWN);
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- assert(m_watch_ctx != nullptr);
- m_watch_ctx->handle_error(0, -ESHUTDOWN);
-
- // wait for recovery unwatch/watch
- ASSERT_TRUE(wait_for_watch(mock_image_ctx, 4));
-
- C_SaferCond unregister_ctx;
- mock_image_watcher.unregister_watch(&unregister_ctx);
- ASSERT_EQ(0, unregister_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, ReregisterUnwatchPendingUnregister) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
-
- // inject an unregister
- C_SaferCond unregister_ctx;
- expect_aio_unwatch(mock_image_ctx, 0, [&mock_image_watcher, &unregister_ctx]() {
- mock_image_watcher.unregister_watch(&unregister_ctx);
- });
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- assert(m_watch_ctx != nullptr);
- m_watch_ctx->handle_error(0, -ESHUTDOWN);
-
- ASSERT_EQ(0, unregister_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, ReregisterWatchPendingUnregister) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
-
- // inject an unregister
- C_SaferCond unregister_ctx;
- expect_aio_watch(mock_image_ctx, -ESHUTDOWN,
- [&mock_image_watcher, &unregister_ctx]() {
- mock_image_watcher.unregister_watch(&unregister_ctx);
- });
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- assert(m_watch_ctx != nullptr);
- m_watch_ctx->handle_error(0, -ESHUTDOWN);
-
- ASSERT_EQ(0, unregister_ctx.wait());
-}
-
-TEST_F(TestMockObjectWatcher, ReregisterPendingUnregister) {
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockImageCtx mock_image_ctx(*ictx);
- MockObjectWatcher mock_image_watcher(mock_image_ctx, m_oid);
-
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_aio_watch(mock_image_ctx, 0);
- expect_aio_unwatch(mock_image_ctx, 0);
-
- // inject an unregister
- C_SaferCond unregister_ctx;
- expect_aio_watch(mock_image_ctx, 0,
- [&mock_image_watcher, &unregister_ctx]() {
- mock_image_watcher.unregister_watch(&unregister_ctx);
- });
-
- expect_aio_unwatch(mock_image_ctx, 0);
-
- C_SaferCond register_ctx;
- mock_image_watcher.register_watch(®ister_ctx);
- ASSERT_EQ(0, register_ctx.wait());
-
- assert(m_watch_ctx != nullptr);
- m_watch_ctx->handle_error(0, -ESHUTDOWN);
-
- ASSERT_EQ(0, unregister_ctx.wait());
-}
-
-} // namespace librbd
Code Review / stor4nfv.git / blobdiff