diff options
Diffstat (limited to 'core/src/test/java/com/android/volley/AsyncRequestQueueTest.java')
-rw-r--r-- | core/src/test/java/com/android/volley/AsyncRequestQueueTest.java | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/core/src/test/java/com/android/volley/AsyncRequestQueueTest.java b/core/src/test/java/com/android/volley/AsyncRequestQueueTest.java new file mode 100644 index 0000000..aef4f01 --- /dev/null +++ b/core/src/test/java/com/android/volley/AsyncRequestQueueTest.java @@ -0,0 +1,200 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.volley; + +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.anyString; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.never; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.verifyNoMoreInteractions; +import static org.mockito.Mockito.when; +import static org.mockito.MockitoAnnotations.initMocks; + +import com.android.volley.AsyncCache.OnGetCompleteCallback; +import com.android.volley.AsyncCache.OnWriteCompleteCallback; +import com.android.volley.mock.ShadowSystemClock; +import com.android.volley.toolbox.NoAsyncCache; +import com.android.volley.toolbox.StringRequest; +import com.android.volley.utils.ImmediateResponseDelivery; +import com.google.common.util.concurrent.MoreExecutors; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.ScheduledExecutorService; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.mockito.ArgumentCaptor; +import org.mockito.Mock; +import org.robolectric.RobolectricTestRunner; +import org.robolectric.annotation.Config; + +/** Unit tests for AsyncRequestQueue, with all dependencies mocked out */ +@RunWith(RobolectricTestRunner.class) +@Config(shadows = {ShadowSystemClock.class}) +public class AsyncRequestQueueTest { + + @Mock private AsyncNetwork mMockNetwork; + @Mock private ScheduledExecutorService mMockScheduledExecutor; + private final ResponseDelivery mDelivery = new ImmediateResponseDelivery(); + private AsyncRequestQueue queue; + + @Before + public void setUp() throws Exception { + initMocks(this); + queue = createRequestQueue(new NoAsyncCache()); + } + + @Test + public void cancelAll_onlyCorrectTag() throws Exception { + queue.start(); + Object tagA = new Object(); + Object tagB = new Object(); + StringRequest req1 = mock(StringRequest.class); + when(req1.getTag()).thenReturn(tagA); + StringRequest req2 = mock(StringRequest.class); + when(req2.getTag()).thenReturn(tagB); + StringRequest req3 = mock(StringRequest.class); + when(req3.getTag()).thenReturn(tagA); + StringRequest req4 = mock(StringRequest.class); + when(req4.getTag()).thenReturn(tagA); + + queue.add(req1); // A + queue.add(req2); // B + queue.add(req3); // A + queue.cancelAll(tagA); + queue.add(req4); // A + + verify(req1).cancel(); // A cancelled + verify(req3).cancel(); // A cancelled + verify(req2, never()).cancel(); // B not cancelled + verify(req4, never()).cancel(); // A added after cancel not cancelled + queue.stop(); + } + + @Test + public void add_notifiesListener() throws Exception { + RequestQueue.RequestEventListener listener = mock(RequestQueue.RequestEventListener.class); + queue.start(); + queue.addRequestEventListener(listener); + StringRequest req = mock(StringRequest.class); + + queue.add(req); + + verify(listener).onRequestEvent(req, RequestQueue.RequestEvent.REQUEST_QUEUED); + verifyNoMoreInteractions(listener); + queue.stop(); + } + + @Test + public void finish_notifiesListener() throws Exception { + RequestQueue.RequestEventListener listener = mock(RequestQueue.RequestEventListener.class); + queue.start(); + queue.addRequestEventListener(listener); + StringRequest req = mock(StringRequest.class); + + queue.finish(req); + + verify(listener).onRequestEvent(req, RequestQueue.RequestEvent.REQUEST_FINISHED); + verifyNoMoreInteractions(listener); + queue.stop(); + } + + @Test + public void sendRequestEvent_notifiesListener() throws Exception { + StringRequest req = mock(StringRequest.class); + RequestQueue.RequestEventListener listener = mock(RequestQueue.RequestEventListener.class); + queue.start(); + queue.addRequestEventListener(listener); + + queue.sendRequestEvent(req, RequestQueue.RequestEvent.REQUEST_NETWORK_DISPATCH_STARTED); + + verify(listener) + .onRequestEvent(req, RequestQueue.RequestEvent.REQUEST_NETWORK_DISPATCH_STARTED); + verifyNoMoreInteractions(listener); + queue.stop(); + } + + @Test + public void removeRequestEventListener_removesListener() throws Exception { + StringRequest req = mock(StringRequest.class); + RequestQueue.RequestEventListener listener = mock(RequestQueue.RequestEventListener.class); + queue.start(); + queue.addRequestEventListener(listener); + queue.removeRequestEventListener(listener); + + queue.sendRequestEvent(req, RequestQueue.RequestEvent.REQUEST_NETWORK_DISPATCH_STARTED); + + verifyNoMoreInteractions(listener); + queue.stop(); + } + + @Test + public void requestsQueuedBeforeCacheInitialization_asyncCache() { + // Create a new queue with a mock cache in order to verify the initialization. + AsyncCache mockAsyncCache = mock(AsyncCache.class); + AsyncRequestQueue queue = createRequestQueue(mockAsyncCache); + queue.start(); + + ArgumentCaptor<OnWriteCompleteCallback> callbackCaptor = + ArgumentCaptor.forClass(OnWriteCompleteCallback.class); + verify(mockAsyncCache).initialize(callbackCaptor.capture()); + + StringRequest req = mock(StringRequest.class); + req.setShouldCache(true); + when(req.getCacheKey()).thenReturn("cache-key"); + queue.add(req); + + // Cache should not be read before initialization completes. + verify(mockAsyncCache, never()).get(anyString(), any(OnGetCompleteCallback.class)); + + callbackCaptor.getValue().onWriteComplete(); + + // Once the write completes, the request should be kicked off (in the form of a cache + // lookup). + verify(mockAsyncCache).get(eq("cache-key"), any(OnGetCompleteCallback.class)); + + queue.stop(); + } + + private AsyncRequestQueue createRequestQueue(AsyncCache asyncCache) { + return new AsyncRequestQueue.Builder(mMockNetwork) + .setResponseDelivery(mDelivery) + .setAsyncCache(asyncCache) + .setExecutorFactory( + new AsyncRequestQueue.ExecutorFactory() { + @Override + public ExecutorService createNonBlockingExecutor( + BlockingQueue<Runnable> taskQueue) { + return MoreExecutors.newDirectExecutorService(); + } + + @Override + public ExecutorService createBlockingExecutor( + BlockingQueue<Runnable> taskQueue) { + return MoreExecutors.newDirectExecutorService(); + } + + @Override + public ScheduledExecutorService createNonBlockingScheduledExecutor() { + return mMockScheduledExecutor; + } + }) + .build(); + } +} |