1 files changed, 155 insertions, 0 deletions
diff --git a/src/test/librbd/image/test_mock_AttachParentRequest.cc b/src/test/librbd/image/test_mock_AttachParentRequest.cc
new file mode 100644
index 000000000..de5f64431
--- /dev/null
+++ b/src/test/librbd/image/test_mock_AttachParentRequest.cc
@@ -0,0 +1,155 @@
+// -*- 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 "librbd/image/AttachParentRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace librbd {
+namespace {
+
+struct MockTestImageCtx : public MockImageCtx {
+  MockTestImageCtx(ImageCtx &image_ctx) : MockImageCtx(image_ctx) {
+  }
+};
+
+} // anonymous namespace
+} // namespace librbd
+
+// template definitions
+#include "librbd/image/AttachParentRequest.cc"
+
+namespace librbd {
+namespace image {
+
+using ::testing::_;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::StrEq;
+
+class TestMockImageAttachParentRequest : public TestMockFixture {
+public:
+  typedef AttachParentRequest<MockTestImageCtx> MockAttachParentRequest;
+
+  void SetUp() override {
+    TestMockFixture::SetUp();
+
+    ASSERT_EQ(0, open_image(m_image_name, &image_ctx));
+  }
+
+  void expect_parent_attach(MockImageCtx &mock_image_ctx, int r) {
+    EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                exec(mock_image_ctx.header_oid, _, StrEq("rbd"),
+                     StrEq("parent_attach"), _, _, _, _))
+      .WillOnce(Return(r));
+  }
+
+  void expect_set_parent(MockImageCtx &mock_image_ctx, int r) {
+    EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                exec(mock_image_ctx.header_oid, _, StrEq("rbd"),
+                     StrEq("set_parent"), _, _, _, _))
+      .WillOnce(Return(r));
+  }
+
+  librbd::ImageCtx *image_ctx;
+};
+
+TEST_F(TestMockImageAttachParentRequest, ParentAttachSuccess) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  MockTestImageCtx mock_image_ctx(*image_ctx);
+
+  InSequence seq;
+  expect_parent_attach(mock_image_ctx, 0);
+
+  cls::rbd::ParentImageSpec parent_image_spec{
+    1, "ns", "image id", 123};
+
+  C_SaferCond ctx;
+  auto req = MockAttachParentRequest::create(mock_image_ctx, parent_image_spec,
+                                             234, false, &ctx);
+  req->send();
+  ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockImageAttachParentRequest, SetParentSuccess) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  MockTestImageCtx mock_image_ctx(*image_ctx);
+
+  InSequence seq;
+  expect_parent_attach(mock_image_ctx, -EOPNOTSUPP);
+  expect_set_parent(mock_image_ctx, 0);
+
+  cls::rbd::ParentImageSpec parent_image_spec{
+    1, "", "image id", 123};
+
+  C_SaferCond ctx;
+  auto req = MockAttachParentRequest::create(mock_image_ctx, parent_image_spec,
+                                             234, false, &ctx);
+  req->send();
+  ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockImageAttachParentRequest, ParentAttachError) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  MockTestImageCtx mock_image_ctx(*image_ctx);
+
+  InSequence seq;
+  expect_parent_attach(mock_image_ctx, -EPERM);
+
+  cls::rbd::ParentImageSpec parent_image_spec{
+    1, "", "image id", 123};
+
+  C_SaferCond ctx;
+  auto req = MockAttachParentRequest::create(mock_image_ctx, parent_image_spec,
+                                             234, false, &ctx);
+  req->send();
+  ASSERT_EQ(-EPERM, ctx.wait());
+}
+
+TEST_F(TestMockImageAttachParentRequest, SetParentError) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  MockTestImageCtx mock_image_ctx(*image_ctx);
+
+  InSequence seq;
+  expect_parent_attach(mock_image_ctx, -EOPNOTSUPP);
+  expect_set_parent(mock_image_ctx, -EINVAL);
+
+  cls::rbd::ParentImageSpec parent_image_spec{
+    1, "", "image id", 123};
+
+  C_SaferCond ctx;
+  auto req = MockAttachParentRequest::create(mock_image_ctx, parent_image_spec,
+                                             234, false, &ctx);
+  req->send();
+  ASSERT_EQ(-EINVAL, ctx.wait());
+}
+
+TEST_F(TestMockImageAttachParentRequest, NamespaceUnsupported) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  MockTestImageCtx mock_image_ctx(*image_ctx);
+
+  InSequence seq;
+  expect_parent_attach(mock_image_ctx, -EOPNOTSUPP);
+
+  cls::rbd::ParentImageSpec parent_image_spec{
+    1, "ns", "image id", 123};
+
+  C_SaferCond ctx;
+  auto req = MockAttachParentRequest::create(mock_image_ctx, parent_image_spec,
+                                             234, false, &ctx);
+  req->send();
+  ASSERT_EQ(-EXDEV, ctx.wait());
+}
+
+} // namespace image
+} // namespace librbd