ceph/src/test/librbd/deep_copy/test_mock_MetadataCopyRequest.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "test/librbd/test_mock_fixture.h"
   5 #include "include/rbd/librbd.hpp"
   6 #include "include/stringify.h"
   7 #include "librbd/ImageCtx.h"
   8 #include "librbd/deep_copy/MetadataCopyRequest.h"
   9 #include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
  10 #include "test/librbd/mock/MockImageCtx.h"
  11 #include "test/librbd/test_support.h"
  12 #include <map>
  13
  14 namespace librbd {
  15 namespace {
  16
  17 struct MockTestImageCtx : public librbd::MockImageCtx {
  18   MockTestImageCtx(librbd::ImageCtx &image_ctx)
  19     : librbd::MockImageCtx(image_ctx) {
  20   }
  21 };
  22
  23 } // anonymous namespace
  24 } // namespace librbd
  25
  26 // template definitions
  27 #include "librbd/deep_copy/MetadataCopyRequest.cc"
  28
  29 namespace librbd {
  30 namespace deep_copy {
  31
  32 using ::testing::_;
  33 using ::testing::DoAll;
  34 using ::testing::InSequence;
  35 using ::testing::Return;
  36 using ::testing::StrEq;
  37 using ::testing::WithArg;
  38
  39 class TestMockDeepCopyMetadataCopyRequest : public TestMockFixture {
  40 public:
  41   typedef MetadataCopyRequest<librbd::MockTestImageCtx> MockMetadataCopyRequest;
  42   typedef std::map<std::string, bufferlist> Metadata;
  43
  44   librbd::ImageCtx *m_src_image_ctx;
  45   librbd::ImageCtx *m_dst_image_ctx;
  46   ThreadPool *m_thread_pool;
  47   ContextWQ *m_work_queue;
  48
  49   void SetUp() override {
  50     TestMockFixture::SetUp();
  51
  52     ASSERT_EQ(0, open_image(m_image_name, &m_src_image_ctx));
  53
  54     librbd::RBD rbd;
  55     std::string dst_image_name = get_temp_image_name();
  56     ASSERT_EQ(0, create_image_pp(rbd, m_ioctx, dst_image_name, m_image_size));
  57     ASSERT_EQ(0, open_image(dst_image_name, &m_dst_image_ctx));
  58
  59     librbd::ImageCtx::get_thread_pool_instance(m_src_image_ctx->cct,
  60                                                &m_thread_pool, &m_work_queue);
  61   }
  62
  63   void expect_metadata_list(librbd::MockTestImageCtx &mock_image_ctx,
  64                             const Metadata& metadata, int r) {
  65     bufferlist out_bl;
  66     encode(metadata, out_bl);
  67
  68     EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
  69                 exec(mock_image_ctx.header_oid, _, StrEq("rbd"),
  70                      StrEq("metadata_list"), _, _, _))
  71                   .WillOnce(DoAll(WithArg<5>(CopyInBufferlist(out_bl)),
  72                                   Return(r)));
  73   }
  74
  75   void expect_metadata_set(librbd::MockTestImageCtx &mock_image_ctx,
  76                            const Metadata& metadata, int r) {
  77     bufferlist in_bl;
  78     encode(metadata, in_bl);
  79
  80     EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
  81                 exec(mock_image_ctx.header_oid, _, StrEq("rbd"),
  82                      StrEq("metadata_set"), ContentsEqual(in_bl), _, _))
  83                   .WillOnce(Return(r));
  84   }
  85 };
  86
  87 TEST_F(TestMockDeepCopyMetadataCopyRequest, Success) {
  88   librbd::MockTestImageCtx mock_src_image_ctx(*m_src_image_ctx);
  89   librbd::MockTestImageCtx mock_dst_image_ctx(*m_dst_image_ctx);
  90
  91   size_t idx = 1;
  92   Metadata key_values_1;
  93   for (; idx <= 128; ++idx) {
  94     bufferlist bl;
  95     bl.append("value" + stringify(idx));
  96     key_values_1.emplace("key" + stringify(idx), bl);
  97   }
  98
  99   Metadata key_values_2;
 100   for (; idx <= 255; ++idx) {
 101     bufferlist bl;
 102     bl.append("value" + stringify(idx));
 103     key_values_2.emplace("key" + stringify(idx), bl);
 104   }
 105
 106   InSequence seq;
 107   expect_metadata_list(mock_src_image_ctx, key_values_1, 0);
 108   expect_metadata_set(mock_dst_image_ctx, key_values_1, 0);
 109   expect_metadata_list(mock_src_image_ctx, key_values_2, 0);
 110   expect_metadata_set(mock_dst_image_ctx, key_values_2, 0);
 111
 112   C_SaferCond ctx;
 113   auto request = MockMetadataCopyRequest::create(&mock_src_image_ctx,
 114                                                  &mock_dst_image_ctx,
 115                                                  &ctx);
 116   request->send();
 117
 118   ASSERT_EQ(0, ctx.wait());
 119 }
 120
 121 TEST_F(TestMockDeepCopyMetadataCopyRequest, Empty) {
 122   librbd::MockTestImageCtx mock_src_image_ctx(*m_src_image_ctx);
 123   librbd::MockTestImageCtx mock_dst_image_ctx(*m_dst_image_ctx);
 124
 125   Metadata key_values;
 126
 127   InSequence seq;
 128   expect_metadata_list(mock_src_image_ctx, key_values, 0);
 129
 130   C_SaferCond ctx;
 131   auto request = MockMetadataCopyRequest::create(&mock_src_image_ctx,
 132                                                  &mock_dst_image_ctx,
 133                                                  &ctx);
 134   request->send();
 135
 136   ASSERT_EQ(0, ctx.wait());
 137 }
 138
 139 TEST_F(TestMockDeepCopyMetadataCopyRequest, MetadataListError) {
 140   librbd::MockTestImageCtx mock_src_image_ctx(*m_src_image_ctx);
 141   librbd::MockTestImageCtx mock_dst_image_ctx(*m_dst_image_ctx);
 142
 143   Metadata key_values;
 144
 145   InSequence seq;
 146   expect_metadata_list(mock_src_image_ctx, key_values, -EINVAL);
 147
 148   C_SaferCond ctx;
 149   auto request = MockMetadataCopyRequest::create(&mock_src_image_ctx,
 150                                                  &mock_dst_image_ctx,
 151                                                  &ctx);
 152   request->send();
 153
 154   ASSERT_EQ(-EINVAL, ctx.wait());
 155 }
 156
 157 TEST_F(TestMockDeepCopyMetadataCopyRequest, MetadataSetError) {
 158   librbd::MockTestImageCtx mock_src_image_ctx(*m_src_image_ctx);
 159   librbd::MockTestImageCtx mock_dst_image_ctx(*m_dst_image_ctx);
 160
 161   Metadata key_values;
 162   bufferlist bl;
 163   bl.append("value");
 164   key_values.emplace("key", bl);
 165
 166   InSequence seq;
 167   expect_metadata_list(mock_src_image_ctx, key_values, 0);
 168   expect_metadata_set(mock_dst_image_ctx, key_values, -EINVAL);
 169
 170   C_SaferCond ctx;
 171   auto request = MockMetadataCopyRequest::create(&mock_src_image_ctx,
 172                                                  &mock_dst_image_ctx,
 173                                                  &ctx);
 174   request->send();
 175
 176   ASSERT_EQ(-EINVAL, ctx.wait());
 177 }
 178
 179 } // namespace deep_sync
 180 } // namespace librbd