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-rw-r--r--src/test/librbd/test_mock_ObjectMap.cc285
1 files changed, 285 insertions, 0 deletions
diff --git a/src/test/librbd/test_mock_ObjectMap.cc b/src/test/librbd/test_mock_ObjectMap.cc
new file mode 100644
index 000000000..39e29172c
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+++ b/src/test/librbd/test_mock_ObjectMap.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 "librbd/ObjectMap.h"
+#include "librbd/object_map/RefreshRequest.h"
+#include "librbd/object_map/UnlockRequest.h"
+#include "librbd/object_map/UpdateRequest.h"
+#include <boost/scope_exit.hpp>
+
+namespace librbd {
+
+namespace {
+
+struct MockTestImageCtx : public MockImageCtx {
+ MockTestImageCtx(ImageCtx &image_ctx) : MockImageCtx(image_ctx) {
+ }
+};
+
+} // anonymous namespace
+
+namespace object_map {
+
+template <>
+struct RefreshRequest<MockTestImageCtx> {
+ Context *on_finish = nullptr;
+ ceph::BitVector<2u> *object_map = nullptr;
+ static RefreshRequest *s_instance;
+ static RefreshRequest *create(MockTestImageCtx &image_ctx, ceph::shared_mutex*,
+ ceph::BitVector<2u> *object_map,
+ uint64_t snap_id, Context *on_finish) {
+ ceph_assert(s_instance != nullptr);
+ s_instance->on_finish = on_finish;
+ s_instance->object_map = object_map;
+ return s_instance;
+ }
+
+ MOCK_METHOD0(send, void());
+
+ RefreshRequest() {
+ s_instance = this;
+ }
+};
+
+template <>
+struct UnlockRequest<MockTestImageCtx> {
+ Context *on_finish = nullptr;
+ static UnlockRequest *s_instance;
+ static UnlockRequest *create(MockTestImageCtx &image_ctx,
+ Context *on_finish) {
+ ceph_assert(s_instance != nullptr);
+ s_instance->on_finish = on_finish;
+ return s_instance;
+ }
+
+ MOCK_METHOD0(send, void());
+ UnlockRequest() {
+ s_instance = this;
+ }
+};
+
+template <>
+struct UpdateRequest<MockTestImageCtx> {
+ Context *on_finish = nullptr;
+ static UpdateRequest *s_instance;
+ static UpdateRequest *create(MockTestImageCtx &image_ctx, ceph::shared_mutex*,
+ ceph::BitVector<2u> *object_map,
+ uint64_t snap_id,
+ uint64_t start_object_no, uint64_t end_object_no,
+ uint8_t new_state,
+ const boost::optional<uint8_t> &current_state,
+ const ZTracer::Trace &parent_trace,
+ bool ignore_enoent, Context *on_finish) {
+ ceph_assert(s_instance != nullptr);
+ s_instance->on_finish = on_finish;
+ s_instance->construct(snap_id, start_object_no, end_object_no, new_state,
+ current_state, ignore_enoent);
+ return s_instance;
+ }
+
+ MOCK_METHOD6(construct, void(uint64_t snap_id, uint64_t start_object_no,
+ uint64_t end_object_no, uint8_t new_state,
+ const boost::optional<uint8_t> &current_state,
+ bool ignore_enoent));
+ MOCK_METHOD0(send, void());
+ UpdateRequest() {
+ s_instance = this;
+ }
+};
+
+RefreshRequest<MockTestImageCtx> *RefreshRequest<MockTestImageCtx>::s_instance = nullptr;
+UnlockRequest<MockTestImageCtx> *UnlockRequest<MockTestImageCtx>::s_instance = nullptr;
+UpdateRequest<MockTestImageCtx> *UpdateRequest<MockTestImageCtx>::s_instance = nullptr;
+
+} // namespace object_map
+} // namespace librbd
+
+#include "librbd/ObjectMap.cc"
+
+namespace librbd {
+
+using testing::_;
+using testing::InSequence;
+using testing::Invoke;
+
+class TestMockObjectMap : public TestMockFixture {
+public:
+ typedef ObjectMap<MockTestImageCtx> MockObjectMap;
+ typedef object_map::RefreshRequest<MockTestImageCtx> MockRefreshRequest;
+ typedef object_map::UnlockRequest<MockTestImageCtx> MockUnlockRequest;
+ typedef object_map::UpdateRequest<MockTestImageCtx> MockUpdateRequest;
+
+ void expect_refresh(MockTestImageCtx &mock_image_ctx,
+ MockRefreshRequest &mock_refresh_request,
+ const ceph::BitVector<2u> &object_map, int r) {
+ EXPECT_CALL(mock_refresh_request, send())
+ .WillOnce(Invoke([&mock_image_ctx, &mock_refresh_request, &object_map, r]() {
+ *mock_refresh_request.object_map = object_map;
+ mock_image_ctx.image_ctx->op_work_queue->queue(mock_refresh_request.on_finish, r);
+ }));
+ }
+
+ void expect_unlock(MockTestImageCtx &mock_image_ctx,
+ MockUnlockRequest &mock_unlock_request, int r) {
+ EXPECT_CALL(mock_unlock_request, send())
+ .WillOnce(Invoke([&mock_image_ctx, &mock_unlock_request, r]() {
+ mock_image_ctx.image_ctx->op_work_queue->queue(mock_unlock_request.on_finish, r);
+ }));
+ }
+
+ void expect_update(MockTestImageCtx &mock_image_ctx,
+ MockUpdateRequest &mock_update_request,
+ uint64_t snap_id, uint64_t start_object_no,
+ uint64_t end_object_no, uint8_t new_state,
+ const boost::optional<uint8_t> &current_state,
+ bool ignore_enoent, Context **on_finish) {
+ EXPECT_CALL(mock_update_request, construct(snap_id, start_object_no,
+ end_object_no, new_state,
+ current_state, ignore_enoent))
+ .Times(1);
+ EXPECT_CALL(mock_update_request, send())
+ .WillOnce(Invoke([&mock_update_request, on_finish]() {
+ *on_finish = mock_update_request.on_finish;
+ }));
+ }
+
+};
+
+TEST_F(TestMockObjectMap, NonDetainedUpdate) {
+ REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockTestImageCtx mock_image_ctx(*ictx);
+
+ InSequence seq;
+ ceph::BitVector<2u> object_map;
+ object_map.resize(4);
+ MockRefreshRequest mock_refresh_request;
+ expect_refresh(mock_image_ctx, mock_refresh_request, object_map, 0);
+
+ MockUpdateRequest mock_update_request;
+ Context *finish_update_1;
+ expect_update(mock_image_ctx, mock_update_request, CEPH_NOSNAP,
+ 0, 1, 1, {}, false, &finish_update_1);
+ Context *finish_update_2;
+ expect_update(mock_image_ctx, mock_update_request, CEPH_NOSNAP,
+ 1, 2, 1, {}, false, &finish_update_2);
+
+ MockUnlockRequest mock_unlock_request;
+ expect_unlock(mock_image_ctx, mock_unlock_request, 0);
+
+ MockObjectMap *mock_object_map = new MockObjectMap(mock_image_ctx, CEPH_NOSNAP);
+ BOOST_SCOPE_EXIT(&mock_object_map) {
+ mock_object_map->put();
+ } BOOST_SCOPE_EXIT_END
+
+ C_SaferCond open_ctx;
+ mock_object_map->open(&open_ctx);
+ ASSERT_EQ(0, open_ctx.wait());
+
+ C_SaferCond update_ctx1;
+ C_SaferCond update_ctx2;
+ {
+ std::shared_lock image_locker{mock_image_ctx.image_lock};
+ mock_object_map->aio_update(CEPH_NOSNAP, 0, 1, {}, {}, false, &update_ctx1);
+ mock_object_map->aio_update(CEPH_NOSNAP, 1, 1, {}, {}, false, &update_ctx2);
+ }
+
+ finish_update_2->complete(0);
+ ASSERT_EQ(0, update_ctx2.wait());
+
+ finish_update_1->complete(0);
+ ASSERT_EQ(0, update_ctx1.wait());
+
+ C_SaferCond close_ctx;
+ mock_object_map->close(&close_ctx);
+ ASSERT_EQ(0, close_ctx.wait());
+}
+
+TEST_F(TestMockObjectMap, DetainedUpdate) {
+ REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+ librbd::ImageCtx *ictx;
+ ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+ MockTestImageCtx mock_image_ctx(*ictx);
+
+ InSequence seq;
+ ceph::BitVector<2u> object_map;
+ object_map.resize(4);
+ MockRefreshRequest mock_refresh_request;
+ expect_refresh(mock_image_ctx, mock_refresh_request, object_map, 0);
+
+ MockUpdateRequest mock_update_request;
+ Context *finish_update_1;
+ expect_update(mock_image_ctx, mock_update_request, CEPH_NOSNAP,
+ 1, 4, 1, {}, false, &finish_update_1);
+ Context *finish_update_2 = nullptr;
+ expect_update(mock_image_ctx, mock_update_request, CEPH_NOSNAP,
+ 1, 3, 1, {}, false, &finish_update_2);
+ Context *finish_update_3 = nullptr;
+ expect_update(mock_image_ctx, mock_update_request, CEPH_NOSNAP,
+ 2, 3, 1, {}, false, &finish_update_3);
+ Context *finish_update_4 = nullptr;
+ expect_update(mock_image_ctx, mock_update_request, CEPH_NOSNAP,
+ 0, 2, 1, {}, false, &finish_update_4);
+
+ MockUnlockRequest mock_unlock_request;
+ expect_unlock(mock_image_ctx, mock_unlock_request, 0);
+
+ MockObjectMap *mock_object_map = new MockObjectMap(mock_image_ctx, CEPH_NOSNAP);
+ BOOST_SCOPE_EXIT(&mock_object_map) {
+ mock_object_map->put();
+ } BOOST_SCOPE_EXIT_END
+
+ C_SaferCond open_ctx;
+ mock_object_map->open(&open_ctx);
+ ASSERT_EQ(0, open_ctx.wait());
+
+ C_SaferCond update_ctx1;
+ C_SaferCond update_ctx2;
+ C_SaferCond update_ctx3;
+ C_SaferCond update_ctx4;
+ {
+ std::shared_lock image_locker{mock_image_ctx.image_lock};
+ mock_object_map->aio_update(CEPH_NOSNAP, 1, 4, 1, {}, {}, false,
+ &update_ctx1);
+ mock_object_map->aio_update(CEPH_NOSNAP, 1, 3, 1, {}, {}, false,
+ &update_ctx2);
+ mock_object_map->aio_update(CEPH_NOSNAP, 2, 3, 1, {}, {}, false,
+ &update_ctx3);
+ mock_object_map->aio_update(CEPH_NOSNAP, 0, 2, 1, {}, {}, false,
+ &update_ctx4);
+ }
+
+ // updates 2, 3, and 4 are blocked on update 1
+ ASSERT_EQ(nullptr, finish_update_2);
+ finish_update_1->complete(0);
+ ASSERT_EQ(0, update_ctx1.wait());
+
+ // updates 3 and 4 are blocked on update 2
+ ASSERT_NE(nullptr, finish_update_2);
+ ASSERT_EQ(nullptr, finish_update_3);
+ ASSERT_EQ(nullptr, finish_update_4);
+ finish_update_2->complete(0);
+ ASSERT_EQ(0, update_ctx2.wait());
+
+ ASSERT_NE(nullptr, finish_update_3);
+ ASSERT_NE(nullptr, finish_update_4);
+ finish_update_3->complete(0);
+ finish_update_4->complete(0);
+ ASSERT_EQ(0, update_ctx3.wait());
+ ASSERT_EQ(0, update_ctx4.wait());
+
+ C_SaferCond close_ctx;
+ mock_object_map->close(&close_ctx);
+ ASSERT_EQ(0, close_ctx.wait());
+}
+
+} // namespace librbd
+
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