我正在重写我所在项目的代码中的瓶颈,这样做我正在创建一个包含自填充 Ehcache 的顶级项目。我正在尝试编写一个测试以确保建立基本调用链,但是当测试执行时,它会在从缓存中检索项目时进行。
以下是设置和测试,以供参考使用 Mockito 进行模拟:
@Before
public void SetUp()
{
testCache = new Cache(getTestCacheConfiguration());
recordingFactory = new EntryCreationRecordingCache();
service = new Service<Request, Response>(testCache, recordingFactory);
}
@Test
public void retrievesResultsFromSuppliedCache()
{
ResultType resultType = mock(ResultType.class);
Response expectedResponse = mock(Response.class);
addToExpectedResults(resultType, expectedResponse);
Request request = mock(Request.class);
when(request.getResultType()).thenReturn(resultType);
assertThat(service.getResponse(request), sameInstance(expectedResponse));
assertTrue(recordingFactory.requestList.contains(request));
}
private void addToExpectedResults(ResultType resultType,
Response response) {
recordingFactory.responseMap.put(resultType, response);
}
private CacheConfiguration getTestCacheConfiguration() {
CacheConfiguration cacheConfiguration = new CacheConfiguration("TEST_CACHE", 10);
cacheConfiguration.setLoggingEnabled(false);
return cacheConfiguration;
}
private class EntryCreationRecordingCache extends ResponseFactory{
public final Map<ResultType, Response> responseMap = new ConcurrentHashMap<ResultType, Response>();
public final List<Request> requestList = new ArrayList<Request>();
@Override
protected Map<ResultType, Response> generateResponse(Request request) {
requestList.add(request);
return responseMap;
}
}
这是服务类
public class Service<K extends Request, V extends Response> {
private Ehcache cache;
public Service(Ehcache cache, ResponseFactory factory) {
this.cache = new SelfPopulatingCache(cache, factory);
}
@SuppressWarnings("unchecked")
public V getResponse(K request)
{
ResultType resultType = request.getResultType();
Element cacheEntry = cache.get(request);
V response = null;
if(cacheEntry != null){
Map<ResultType, Response> resultTypeMap = (Map<ResultType, Response>) cacheEntry.getValue();
try{
response = (V) resultTypeMap.get(resultType);
}catch(NullPointerException e){
throw new RuntimeException("Result type not found for Result Type: " + resultType);
}catch(ClassCastException e){
throw new RuntimeException("Incorrect Response Type for Result Type: " + resultType);
}
}
return response;
}
}
这是响应工厂:
public abstract class ResponseFactory implements CacheEntryFactory{
@Override
public final Object createEntry(Object request) throws Exception {
return generateResponse((Request)request);
}
protected abstract Map<ResultType,Response> generateResponse(Request request);
}