write-test-ssd.cc

TEST_F(TestMockCacheSSDWriteLog, write) {
  librbd::ImageCtx *ictx;
  ASSERT_EQ(0, open_image(m_image_name, &ictx));
  
  MockImageCtx mock_image_ctx(*ictx);
  MockImageWriteback mock_image_writeback(mock_image_ctx);
  MockApi mock_api;                                       
  MockSSDWriteLog rwl(                                    
      mock_image_ctx, get_cache_state(mock_image_ctx, mock_api),
      mock_image_writeback, mock_api);
  
  MockContextSSD finish_ctx1;
  expect_op_work_queue(mock_image_ctx);
  expect_metadata_set(mock_image_ctx);
  expect_context_complete(finish_ctx1, 0);
  rwl.init(&finish_ctx1);
  ASSERT_EQ(0, finish_ctx1.wait());
  
  MockContextSSD finish_ctx2;
  expect_context_complete(finish_ctx2, 0);
  Extents image_extents{{0, 4096}};
  bufferlist bl;
  bl.append(std::string(4096, '1'));
  int fadvise_flags = 0;
  rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2);
  ASSERT_EQ(0, finish_ctx2.wait());
  
  MockContextSSD finish_ctx4;
  expect_context_complete(finish_ctx4, 0);
  rwl.flush(librbd::io::FLUSH_SOURCE_USER, &finish_ctx4);
  
  MockContextSSD finish_ctx5;
  expect_context_complete(finish_ctx5, 0);
  Extents image_extents2{{0, 4096}};      
  bufferlist bl2;
  bl2.append(std::string(4096, '1'));
  int fadvise_flags2 = 0;
  rwl.write(std::move(image_extents2), std::move(bl2), fadvise_flags2, &finish_ctx5);
  ASSERT_EQ(0, finish_ctx5.wait());
  
  MockContextSSD finish_ctx3;
  expect_context_complete(finish_ctx3, 0);
  rwl.shut_down(&finish_ctx3);
  ASSERT_EQ(0, finish_ctx3.wait());
}