--- /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 "common/bit_vector.hpp"
+#include "librbd/internal.h"
+#include "librbd/ObjectMap.h"
+#include "librbd/operation/ResizeRequest.h"
+#include "librbd/operation/TrimRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace librbd {
+namespace operation {
+
+template <>
+class TrimRequest<MockImageCtx> {
+public:
+ static TrimRequest *s_instance;
+ static TrimRequest *create(MockImageCtx &image_ctx, Context *on_finish,
+ uint64_t original_size, uint64_t new_size,
+ ProgressContext &prog_ctx) {
+ assert(s_instance != nullptr);
+ s_instance->on_finish = on_finish;
+ return s_instance;
+ }
+
+ Context *on_finish = nullptr;
+
+ TrimRequest() {
+ s_instance = this;
+ }
+
+ MOCK_METHOD0(send, void());
+};
+
+TrimRequest<MockImageCtx> *TrimRequest<MockImageCtx>::s_instance = nullptr;
+
+} // namespace operation
+} // namespace librbd
+
+// template definitions
+#include "librbd/operation/ResizeRequest.cc"
+#include "librbd/operation/TrimRequest.cc"
+
+namespace librbd {
+namespace operation {
+
+using ::testing::_;
+using ::testing::DoAll;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::StrEq;
+using ::testing::WithArg;
+
+class TestMockOperationResizeRequest : public TestMockFixture {
+public:
+ typedef ResizeRequest<MockImageCtx> MockResizeRequest;
+ typedef TrimRequest<MockImageCtx> MockTrimRequest;
+
+ void expect_block_writes(MockImageCtx &mock_image_ctx, int r) {
+ EXPECT_CALL(*mock_image_ctx.io_work_queue, block_writes(_))
+ .WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue));
+ }
+
+ void expect_unblock_writes(MockImageCtx &mock_image_ctx) {
+ EXPECT_CALL(*mock_image_ctx.io_work_queue, unblock_writes())
+ .Times(1);
+ }
+
+ void expect_is_lock_owner(MockImageCtx &mock_image_ctx) {
+ if (mock_image_ctx.exclusive_lock != nullptr) {
+ EXPECT_CALL(*mock_image_ctx.exclusive_lock, is_lock_owner())
+ .WillOnce(Return(true));
+ }
+ }
+
+ void expect_grow_object_map(MockImageCtx &mock_image_ctx) {
+ if (mock_image_ctx.object_map != nullptr) {
+ expect_is_lock_owner(mock_image_ctx);
+ EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _))
+ .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
+ }
+ }
+
+ void expect_shrink_object_map(MockImageCtx &mock_image_ctx) {
+ if (mock_image_ctx.object_map != nullptr) {
+ expect_is_lock_owner(mock_image_ctx);
+ EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _))
+ .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
+ }
+ }
+
+ void expect_update_header(MockImageCtx &mock_image_ctx, int r) {
+ if (mock_image_ctx.old_format) {
+ EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+ write(mock_image_ctx.header_oid, _, _, _, _))
+ .WillOnce(Return(r));
+ } else {
+ expect_is_lock_owner(mock_image_ctx);
+ EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+ exec(mock_image_ctx.header_oid, _, StrEq("rbd"), StrEq("set_size"), _, _, _))
+ .WillOnce(Return(r));
+ }
+ }
+
+ void expect_trim(MockImageCtx &mock_image_ctx,
+ MockTrimRequest &mock_trim_request, int r) {
+ EXPECT_CALL(mock_trim_request, send())
+ .WillOnce(FinishRequest(&mock_trim_request, r, &mock_image_ctx));
+ }
+
+ void expect_flush_cache(MockImageCtx &mock_image_ctx, int r) {
+ if (!mock_image_ctx.image_ctx->cache) {
+ return;
+ }
+ EXPECT_CALL(mock_image_ctx, flush_cache(_))
+ .WillOnce(CompleteContext(r, static_cast<ContextWQ*>(NULL)));
+ expect_op_work_queue(mock_image_ctx);
+ }
+
+ void expect_invalidate_cache(MockImageCtx &mock_image_ctx, int r) {
+ if (!mock_image_ctx.image_ctx->cache) {
+ return;
+ }
+ EXPECT_CALL(mock_image_ctx, invalidate_cache(false, _))
+ .WillOnce(WithArg<1>(CompleteContext(r, static_cast<ContextWQ*>(NULL))));
+ expect_op_work_queue(mock_image_ctx);
+ }
+
+ void expect_resize_object_map(MockImageCtx &mock_image_ctx,
+ uint64_t new_size) {
+ EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(new_size, _, _))
+ .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue)));
+ }
+
+ int when_resize(MockImageCtx &mock_image_ctx, uint64_t new_size,
+ bool allow_shrink, uint64_t journal_op_tid,
+ bool disable_journal) {
+ C_SaferCond cond_ctx;
+ librbd::NoOpProgressContext prog_ctx;
+ MockResizeRequest *req = new MockResizeRequest(
+ mock_image_ctx, &cond_ctx, new_size, allow_shrink, prog_ctx,
+ journal_op_tid, disable_journal);
+ {
+ RWLock::RLocker owner_locker(mock_image_ctx.owner_lock);
+ req->send();
+ }
+ return cond_ctx.wait();
+ }
+};
+
+TEST_F(TestMockOperationResizeRequest, NoOpSuccess) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+ expect_commit_op_event(mock_image_ctx, 0);
+ ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, GrowSuccess) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+ expect_grow_object_map(mock_image_ctx);
+ expect_block_writes(mock_image_ctx, 0);
+ expect_update_header(mock_image_ctx, 0);
+ expect_unblock_writes(mock_image_ctx);
+ expect_commit_op_event(mock_image_ctx, 0);
+ ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, ShrinkSuccess) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+
+ MockTrimRequest mock_trim_request;
+ expect_flush_cache(mock_image_ctx, 0);
+ expect_invalidate_cache(mock_image_ctx, 0);
+ expect_trim(mock_image_ctx, mock_trim_request, 0);
+ expect_block_writes(mock_image_ctx, 0);
+ expect_update_header(mock_image_ctx, 0);
+ expect_shrink_object_map(mock_image_ctx);
+ expect_unblock_writes(mock_image_ctx);
+ expect_commit_op_event(mock_image_ctx, 0);
+ ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, ShrinkError) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, -EINVAL);
+ expect_unblock_writes(mock_image_ctx);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, false, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, PreBlockWritesError) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, -EINVAL);
+ expect_unblock_writes(mock_image_ctx);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, TrimError) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+
+ MockTrimRequest mock_trim_request;
+ expect_flush_cache(mock_image_ctx, 0);
+ expect_invalidate_cache(mock_image_ctx, -EBUSY);
+ expect_trim(mock_image_ctx, mock_trim_request, -EINVAL);
+ expect_commit_op_event(mock_image_ctx, -EINVAL);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, FlushCacheError) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+ REQUIRE(ictx->cache);
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+
+ MockTrimRequest mock_trim_request;
+ expect_flush_cache(mock_image_ctx, -EINVAL);
+ expect_commit_op_event(mock_image_ctx, -EINVAL);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, InvalidateCacheError) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+ REQUIRE(ictx->cache);
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+
+ MockTrimRequest mock_trim_request;
+ expect_flush_cache(mock_image_ctx, 0);
+ expect_invalidate_cache(mock_image_ctx, -EINVAL);
+ expect_commit_op_event(mock_image_ctx, -EINVAL);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, PostBlockWritesError) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+ expect_grow_object_map(mock_image_ctx);
+ expect_block_writes(mock_image_ctx, -EINVAL);
+ expect_unblock_writes(mock_image_ctx);
+ expect_commit_op_event(mock_image_ctx, -EINVAL);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, UpdateHeaderError) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, 0);
+ expect_unblock_writes(mock_image_ctx);
+ expect_grow_object_map(mock_image_ctx);
+ expect_block_writes(mock_image_ctx, 0);
+ expect_update_header(mock_image_ctx, -EINVAL);
+ expect_unblock_writes(mock_image_ctx);
+ expect_commit_op_event(mock_image_ctx, -EINVAL);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, JournalAppendError) {
+ REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_append_op_event(mock_image_ctx, true, -EINVAL);
+ expect_unblock_writes(mock_image_ctx);
+ ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false));
+}
+
+TEST_F(TestMockOperationResizeRequest, JournalDisabled) {
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockImageCtx mock_image_ctx(*ictx);
+ MockExclusiveLock mock_exclusive_lock;
+ MockJournal mock_journal;
+ MockObjectMap mock_object_map;
+ initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal,
+ mock_object_map);
+
+ InSequence seq;
+ expect_block_writes(mock_image_ctx, 0);
+ expect_unblock_writes(mock_image_ctx);
+ ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, true));
+}
+
+} // namespace operation
+} // namespace librbd
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