initial code repo
[stor4nfv.git] / src / ceph / src / test / librbd / image / test_mock_RemoveRequest.cc
diff --git a/src/ceph/src/test/librbd/image/test_mock_RemoveRequest.cc b/src/ceph/src/test/librbd/image/test_mock_RemoveRequest.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 "test/librbd/mock/MockContextWQ.h"
+#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
+#include "test/librados_test_stub/MockTestMemRadosClient.h"
+#include "librbd/ImageState.h"
+#include "librbd/internal.h"
+#include "librbd/journal/RemoveRequest.h"
+#include "librbd/Operations.h"
+#include "librbd/operation/TrimRequest.h"
+#include "librbd/image/TypeTraits.h"
+#include "librbd/image/RemoveRequest.h"
+#include "librbd/image/RefreshParentRequest.h"
+#include "librbd/mirror/DisableRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include <arpa/inet.h>
+#include <list>
+#include <boost/scope_exit.hpp>
+
+namespace librbd {
+namespace image {
+template <>
+struct TypeTraits<MockImageCtx> {
+  typedef librbd::MockContextWQ ContextWQ;
+};
+}
+
+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());
+};
+
+} // namespace operation
+
+namespace journal {
+template <>
+class RemoveRequest<MockImageCtx> {
+private:
+  typedef ::librbd::image::TypeTraits<MockImageCtx> TypeTraits;
+  typedef typename TypeTraits::ContextWQ ContextWQ;
+public:
+  static RemoveRequest *s_instance;
+  static RemoveRequest *create(IoCtx &ioctx, const std::string &imageid,
+                                      const std::string &client_id,
+                                      ContextWQ *op_work_queue, Context *on_finish) {
+    assert(s_instance != nullptr);
+    s_instance->on_finish = on_finish;
+    return s_instance;
+  }
+
+  Context *on_finish = nullptr;
+
+  RemoveRequest() {
+    s_instance = this;
+  }
+
+  MOCK_METHOD0(send, void());
+};
+RemoveRequest<MockImageCtx> *RemoveRequest<MockImageCtx>::s_instance = nullptr;
+} // namespace journal
+
+namespace mirror {
+
+template<>
+class DisableRequest<MockImageCtx> {
+public:
+  static DisableRequest *s_instance;
+  Context *on_finish = nullptr;
+
+  static DisableRequest *create(MockImageCtx *image_ctx, bool force,
+                                bool remove, Context *on_finish) {
+    assert(s_instance != nullptr);
+    s_instance->on_finish = on_finish;
+    return s_instance;
+  }
+
+  DisableRequest() {
+    s_instance = this;
+  }
+
+  MOCK_METHOD0(send, void());
+};
+
+DisableRequest<MockImageCtx> *DisableRequest<MockImageCtx>::s_instance;
+
+} // namespace mirror
+} // namespace librbd
+
+// template definitions
+#include "librbd/image/RemoveRequest.cc"
+template class librbd::image::RemoveRequest<librbd::MockImageCtx>;
+
+namespace librbd {
+namespace image {
+
+using ::testing::_;
+using ::testing::DoAll;
+using ::testing::DoDefault;
+using ::testing::Invoke;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::WithArg;
+using ::testing::SetArgPointee;
+using ::testing::StrEq;
+
+class TestMockImageRemoveRequest : public TestMockFixture {
+public:
+  typedef ::librbd::image::TypeTraits<MockImageCtx> TypeTraits;
+  typedef typename TypeTraits::ContextWQ ContextWQ;
+  typedef RemoveRequest<MockImageCtx> MockRemoveRequest;
+  typedef librbd::operation::TrimRequest<MockImageCtx> MockTrimRequest;
+  typedef librbd::journal::RemoveRequest<MockImageCtx> MockJournalRemoveRequest;
+  typedef librbd::mirror::DisableRequest<MockImageCtx> MockMirrorDisableRequest;
+
+  librbd::ImageCtx *m_test_imctx = NULL;
+  MockImageCtx *m_mock_imctx = NULL;
+
+
+  void TestImageRemoveSetUp() {
+    ASSERT_EQ(0, open_image(m_image_name, &m_test_imctx));
+    m_mock_imctx = new MockImageCtx(*m_test_imctx);
+    librbd::MockImageCtx::s_instance = m_mock_imctx;
+  }
+  void TestImageRemoveTearDown() {
+    librbd::MockImageCtx::s_instance = NULL;
+    delete m_mock_imctx;
+  }
+
+  void expect_state_open(MockImageCtx &mock_image_ctx, int r) {
+    EXPECT_CALL(*mock_image_ctx.state, open(_, _))
+      .WillOnce(Invoke([r](bool open_parent, Context *on_ready) {
+                 on_ready->complete(r);
+                }));
+    if (r < 0) {
+      EXPECT_CALL(mock_image_ctx, destroy());
+    }
+  }
+
+  void expect_state_close(MockImageCtx &mock_image_ctx) {
+    EXPECT_CALL(*mock_image_ctx.state, close(_))
+      .WillOnce(Invoke([](Context *on_ready) {
+                  on_ready->complete(0);
+                }));
+    EXPECT_CALL(mock_image_ctx, destroy());
+  }
+
+  void expect_wq_queue(ContextWQ &wq, int r) {
+    EXPECT_CALL(wq, queue(_, r))
+      .WillRepeatedly(Invoke([](Context *on_ready, int r) {
+                  on_ready->complete(r);
+                }));
+  }
+
+  void expect_get_group(MockImageCtx &mock_image_ctx, int r) {
+    auto &expect = EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                               exec(mock_image_ctx.header_oid, _, StrEq("rbd"),
+                                    StrEq("image_get_group"), _, _, _));
+    if (r < 0) {
+      expect.WillOnce(Return(r));
+    } else {
+      expect.WillOnce(DoDefault());
+    }
+  }
+
+  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_journal_remove(MockImageCtx &mock_image_ctx,
+                   MockJournalRemoveRequest &mock_journal_remove_request, int r) {
+    EXPECT_CALL(mock_journal_remove_request, send())
+                  .WillOnce(FinishRequest(&mock_journal_remove_request, r, &mock_image_ctx));
+  }
+
+  void expect_mirror_disable(MockImageCtx &mock_image_ctx,
+                   MockMirrorDisableRequest &mock_mirror_disable_request, int r) {
+    EXPECT_CALL(mock_mirror_disable_request, send())
+                  .WillOnce(FinishRequest(&mock_mirror_disable_request, r, &mock_image_ctx));
+  }
+
+  void expect_remove_child(MockImageCtx &mock_image_ctx, int r) {
+    EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                               exec(RBD_CHILDREN, _, StrEq("rbd"), StrEq("remove_child"), _,
+                                    _, _))
+      .WillOnce(Return(r));
+  }
+
+  void expect_remove_mirror_image(librados::IoCtx &ioctx, int r) {
+    EXPECT_CALL(get_mock_io_ctx(ioctx),
+                exec(StrEq("rbd_mirroring"), _, StrEq("rbd"), StrEq("mirror_image_remove"),
+                     _, _, _))
+      .WillOnce(Return(r));
+  }
+
+  void expect_mirror_image_get(MockImageCtx &mock_image_ctx, int r) {
+    EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                exec(RBD_MIRRORING, _, StrEq("rbd"), StrEq("mirror_image_get"),
+                     _, _, _))
+      .WillOnce(Return(r));
+  }
+
+  void expect_dir_remove_image(librados::IoCtx &ioctx, int r) {
+    EXPECT_CALL(get_mock_io_ctx(ioctx),
+                exec(RBD_DIRECTORY, _, StrEq("rbd"), StrEq("dir_remove_image"),
+                     _, _, _))
+      .WillOnce(Return(r));
+  }
+};
+
+TEST_F(TestMockImageRemoveRequest, SuccessV1) {
+  REQUIRE_FORMAT_V1();
+  TestImageRemoveSetUp();
+
+  C_SaferCond ctx;
+  librbd::NoOpProgressContext no_op;
+  ContextWQ op_work_queue;
+  MockTrimRequest mock_trim_request;
+  MockJournalRemoveRequest mock_journal_remove_request;
+
+  InSequence seq;
+  expect_state_open(*m_mock_imctx, 0);
+  expect_get_group(*m_mock_imctx, 0);
+  expect_trim(*m_mock_imctx, mock_trim_request, 0);
+  expect_op_work_queue(*m_mock_imctx);
+  expect_state_close(*m_mock_imctx);
+  expect_wq_queue(op_work_queue, 0);
+
+  MockRemoveRequest *req = MockRemoveRequest::create(m_ioctx, m_image_name, "",
+                                             true, false, no_op, &op_work_queue, &ctx);
+  req->send();
+
+  ASSERT_EQ(0, ctx.wait());
+
+  TestImageRemoveTearDown();
+}
+
+TEST_F(TestMockImageRemoveRequest, OpenFailV1) {
+  REQUIRE_FORMAT_V1();
+  TestImageRemoveSetUp();
+
+  C_SaferCond ctx;
+  librbd::NoOpProgressContext no_op;
+  ContextWQ op_work_queue;
+  MockTrimRequest mock_trim_request;
+
+  InSequence seq;
+  expect_state_open(*m_mock_imctx, -ENOENT);
+  expect_wq_queue(op_work_queue, 0);
+
+  MockRemoveRequest *req = MockRemoveRequest::create(m_ioctx, m_image_name, "",
+                                             true, false, no_op, &op_work_queue, &ctx);
+  req->send();
+
+  ASSERT_EQ(0, ctx.wait());
+
+  TestImageRemoveTearDown();
+}
+
+TEST_F(TestMockImageRemoveRequest, SuccessV2) {
+  REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+  TestImageRemoveSetUp();
+
+  C_SaferCond ctx;
+  librbd::NoOpProgressContext no_op;
+  ContextWQ op_work_queue;
+  MockTrimRequest mock_trim_request;
+  MockJournalRemoveRequest mock_journal_remove_request;
+  MockMirrorDisableRequest mock_mirror_disable_request;
+
+  InSequence seq;
+  expect_state_open(*m_mock_imctx, 0);
+  expect_mirror_image_get(*m_mock_imctx, 0);
+  expect_get_group(*m_mock_imctx, 0);
+  expect_trim(*m_mock_imctx, mock_trim_request, 0);
+  expect_op_work_queue(*m_mock_imctx);
+  expect_remove_child(*m_mock_imctx, 0);
+  expect_mirror_disable(*m_mock_imctx, mock_mirror_disable_request, 0);
+  expect_state_close(*m_mock_imctx);
+  expect_wq_queue(op_work_queue, 0);
+  expect_journal_remove(*m_mock_imctx, mock_journal_remove_request, 0);
+  expect_remove_mirror_image(m_ioctx, 0);
+  expect_dir_remove_image(m_ioctx, 0);
+
+  MockRemoveRequest *req = MockRemoveRequest::create(m_ioctx, m_image_name, "",
+                                             true, false, no_op, &op_work_queue, &ctx);
+  req->send();
+
+  ASSERT_EQ(0, ctx.wait());
+
+  TestImageRemoveTearDown();
+}
+
+TEST_F(TestMockImageRemoveRequest, NotExistsV2) {
+  REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+  TestImageRemoveSetUp();
+
+  C_SaferCond ctx;
+  librbd::NoOpProgressContext no_op;
+  ContextWQ op_work_queue;
+  MockTrimRequest mock_trim_request;
+  MockJournalRemoveRequest mock_journal_remove_request;
+  MockMirrorDisableRequest mock_mirror_disable_request;
+
+  InSequence seq;
+  expect_state_open(*m_mock_imctx, 0);
+  expect_mirror_image_get(*m_mock_imctx, 0);
+  expect_get_group(*m_mock_imctx, 0);
+  expect_trim(*m_mock_imctx, mock_trim_request, 0);
+  expect_op_work_queue(*m_mock_imctx);
+  expect_remove_child(*m_mock_imctx, 0);
+  expect_mirror_disable(*m_mock_imctx, mock_mirror_disable_request, 0);
+  expect_state_close(*m_mock_imctx);
+  expect_wq_queue(op_work_queue, 0);
+  expect_journal_remove(*m_mock_imctx, mock_journal_remove_request, 0);
+  expect_remove_mirror_image(m_ioctx, 0);
+  expect_dir_remove_image(m_ioctx, -ENOENT);
+
+  MockRemoveRequest *req = MockRemoveRequest::create(m_ioctx, m_image_name, "",
+                                             true, false, no_op, &op_work_queue, &ctx);
+  req->send();
+  ASSERT_EQ(-ENOENT, ctx.wait());
+
+  TestImageRemoveTearDown();
+}
+
+} // namespace image
+} // namespace librbd