-// -*- 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/librados_test_stub/MockTestMemIoCtxImpl.h"
-#include "common/bit_vector.hpp"
-#include "cls/rbd/cls_rbd_types.h"
-#include "librbd/internal.h"
-#include "librbd/ObjectMap.h"
-#include "librbd/object_map/SnapshotCreateRequest.h"
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-
-namespace librbd {
-namespace object_map {
-
-using ::testing::_;
-using ::testing::DoDefault;
-using ::testing::Return;
-using ::testing::StrEq;
-
-class TestMockObjectMapSnapshotCreateRequest : public TestMockFixture {
-public:
- void inject_snap_info(librbd::ImageCtx *ictx, uint64_t snap_id) {
- RWLock::WLocker snap_locker(ictx->snap_lock);
- RWLock::RLocker parent_locker(ictx->parent_lock);
- ictx->add_snap(cls::rbd::UserSnapshotNamespace(), "snap name", snap_id,
- ictx->size, ictx->parent_md,
- RBD_PROTECTION_STATUS_UNPROTECTED, 0, utime_t());
- }
-
- void expect_read_map(librbd::ImageCtx *ictx, int r) {
- if (r < 0) {
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP),
- 0, 0, _)).WillOnce(Return(r));
- } else {
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- read(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP),
- 0, 0, _)).WillOnce(DoDefault());
- }
- }
-
- void expect_write_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) {
- if (r < 0) {
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- write_full(
- ObjectMap<>::object_map_name(ictx->id, snap_id), _, _))
- .WillOnce(Return(r));
- } else {
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- write_full(
- ObjectMap<>::object_map_name(ictx->id, snap_id), _, _))
- .WillOnce(DoDefault());
- }
- }
-
- void expect_add_snapshot(librbd::ImageCtx *ictx, int r) {
- std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP));
- if (r < 0) {
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
- .WillOnce(Return(r));
- } else {
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
- .WillOnce(DoDefault());
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_add"), _, _, _))
- .WillOnce(DoDefault());
- }
- }
-
- void expect_invalidate(librbd::ImageCtx *ictx) {
- EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
- exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, _, _))
- .WillOnce(DoDefault());
- }
-};
-
-TEST_F(TestMockObjectMapSnapshotCreateRequest, Success) {
- REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
- ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
-
- ceph::BitVector<2> object_map;
-
- uint64_t snap_id = 1;
- inject_snap_info(ictx, snap_id);
- expect_read_map(ictx, 0);
- expect_write_map(ictx, snap_id, 0);
- if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) {
- expect_add_snapshot(ictx, 0);
- }
-
- C_SaferCond cond_ctx;
- AsyncRequest<> *request = new SnapshotCreateRequest(
- *ictx, &object_map, snap_id, &cond_ctx);
- {
- RWLock::RLocker snap_locker(ictx->snap_lock);
- request->send();
- }
- ASSERT_EQ(0, cond_ctx.wait());
-
- expect_unlock_exclusive_lock(*ictx);
-}
-
-TEST_F(TestMockObjectMapSnapshotCreateRequest, ReadMapError) {
- REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
- ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
-
- ceph::BitVector<2> object_map;
-
- uint64_t snap_id = 1;
- inject_snap_info(ictx, snap_id);
- expect_read_map(ictx, -ENOENT);
- expect_invalidate(ictx);
-
- C_SaferCond cond_ctx;
- AsyncRequest<> *request = new SnapshotCreateRequest(
- *ictx, &object_map, snap_id, &cond_ctx);
- {
- RWLock::RLocker snap_locker(ictx->snap_lock);
- request->send();
- }
- ASSERT_EQ(0, cond_ctx.wait());
-
- expect_unlock_exclusive_lock(*ictx);
-}
-
-TEST_F(TestMockObjectMapSnapshotCreateRequest, WriteMapError) {
- REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
- ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
-
- ceph::BitVector<2> object_map;
-
- uint64_t snap_id = 1;
- inject_snap_info(ictx, snap_id);
- expect_read_map(ictx, 0);
- expect_write_map(ictx, snap_id, -EINVAL);
- expect_invalidate(ictx);
-
- C_SaferCond cond_ctx;
- AsyncRequest<> *request = new SnapshotCreateRequest(
- *ictx, &object_map, snap_id, &cond_ctx);
- {
- RWLock::RLocker snap_locker(ictx->snap_lock);
- request->send();
- }
- ASSERT_EQ(0, cond_ctx.wait());
-
- expect_unlock_exclusive_lock(*ictx);
-}
-
-TEST_F(TestMockObjectMapSnapshotCreateRequest, AddSnapshotError) {
- REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
- ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
-
- ceph::BitVector<2> object_map;
-
- uint64_t snap_id = 1;
- inject_snap_info(ictx, snap_id);
- expect_read_map(ictx, 0);
- expect_write_map(ictx, snap_id, 0);
- expect_add_snapshot(ictx, -EINVAL);
- expect_invalidate(ictx);
-
- C_SaferCond cond_ctx;
- AsyncRequest<> *request = new SnapshotCreateRequest(
- *ictx, &object_map, snap_id, &cond_ctx);
- {
- RWLock::RLocker snap_locker(ictx->snap_lock);
- request->send();
- }
- ASSERT_EQ(0, cond_ctx.wait());
-
- expect_unlock_exclusive_lock(*ictx);
-}
-
-TEST_F(TestMockObjectMapSnapshotCreateRequest, FlagCleanObjects) {
- REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
- ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
-
- ceph::BitVector<2> object_map;
- object_map.resize(1024);
- for (uint64_t i = 0; i < object_map.size(); ++i) {
- object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT;
- }
-
- uint64_t snap_id = 1;
- inject_snap_info(ictx, snap_id);
-
- C_SaferCond cond_ctx;
- AsyncRequest<> *request = new SnapshotCreateRequest(
- *ictx, &object_map, snap_id, &cond_ctx);
- {
- RWLock::RLocker snap_locker(ictx->snap_lock);
- request->send();
- }
- ASSERT_EQ(0, cond_ctx.wait());
-
- for (uint64_t i = 0; i < object_map.size(); ++i) {
- ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT,
- object_map[i]);
- }
-}
-
-} // namespace object_map
-} // namespace librbd