| /* |
| * 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 com.android.volley.mock.MockCache; |
| import com.android.volley.mock.MockRequest; |
| import com.android.volley.mock.MockResponseDelivery; |
| import com.android.volley.mock.WaitableQueue; |
| import com.android.volley.utils.CacheTestUtils; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.robolectric.RobolectricTestRunner; |
| |
| import static org.junit.Assert.*; |
| |
| @RunWith(RobolectricTestRunner.class) |
| @SuppressWarnings("rawtypes") |
| public class CacheDispatcherTest { |
| private CacheDispatcher mDispatcher; |
| private WaitableQueue mCacheQueue; |
| private WaitableQueue mNetworkQueue; |
| private MockCache mCache; |
| private MockResponseDelivery mDelivery; |
| private MockRequest mRequest; |
| |
| private static final long TIMEOUT_MILLIS = 5000; |
| |
| @Before public void setUp() throws Exception { |
| mCacheQueue = new WaitableQueue(); |
| mNetworkQueue = new WaitableQueue(); |
| mCache = new MockCache(); |
| mDelivery = new MockResponseDelivery(); |
| |
| mRequest = new MockRequest(); |
| |
| mDispatcher = new CacheDispatcher(mCacheQueue, mNetworkQueue, mCache, mDelivery); |
| mDispatcher.start(); |
| } |
| |
| @After public void tearDown() throws Exception { |
| mDispatcher.quit(); |
| mDispatcher.join(); |
| } |
| |
| // A cancelled request should not be processed at all. |
| @Test public void cancelledRequest() throws Exception { |
| mRequest.cancel(); |
| mCacheQueue.add(mRequest); |
| mCacheQueue.waitUntilEmpty(TIMEOUT_MILLIS); |
| assertFalse(mCache.getCalled); |
| assertFalse(mDelivery.wasEitherResponseCalled()); |
| } |
| |
| // A cache miss does not post a response and puts the request on the network queue. |
| @Test public void cacheMiss() throws Exception { |
| mCacheQueue.add(mRequest); |
| mCacheQueue.waitUntilEmpty(TIMEOUT_MILLIS); |
| assertFalse(mDelivery.wasEitherResponseCalled()); |
| assertTrue(mNetworkQueue.size() > 0); |
| Request request = mNetworkQueue.take(); |
| assertNull(request.getCacheEntry()); |
| } |
| |
| // A non-expired cache hit posts a response and does not queue to the network. |
| @Test public void nonExpiredCacheHit() throws Exception { |
| Cache.Entry entry = CacheTestUtils.makeRandomCacheEntry(null, false, false); |
| mCache.setEntryToReturn(entry); |
| mCacheQueue.add(mRequest); |
| mCacheQueue.waitUntilEmpty(TIMEOUT_MILLIS); |
| assertTrue(mDelivery.postResponse_called); |
| assertFalse(mDelivery.postError_called); |
| } |
| |
| // A soft-expired cache hit posts a response and queues to the network. |
| @Test public void softExpiredCacheHit() throws Exception { |
| Cache.Entry entry = CacheTestUtils.makeRandomCacheEntry(null, false, true); |
| mCache.setEntryToReturn(entry); |
| mCacheQueue.add(mRequest); |
| mCacheQueue.waitUntilEmpty(TIMEOUT_MILLIS); |
| assertTrue(mDelivery.postResponse_called); |
| assertFalse(mDelivery.postError_called); |
| assertTrue(mNetworkQueue.size() > 0); |
| Request request = mNetworkQueue.take(); |
| assertSame(entry, request.getCacheEntry()); |
| } |
| |
| // An expired cache hit does not post a response and queues to the network. |
| @Test public void expiredCacheHit() throws Exception { |
| Cache.Entry entry = CacheTestUtils.makeRandomCacheEntry(null, true, true); |
| mCache.setEntryToReturn(entry); |
| mCacheQueue.add(mRequest); |
| mCacheQueue.waitUntilEmpty(TIMEOUT_MILLIS); |
| assertFalse(mDelivery.wasEitherResponseCalled()); |
| assertTrue(mNetworkQueue.size() > 0); |
| Request request = mNetworkQueue.take(); |
| assertSame(entry, request.getCacheEntry()); |
| } |
| } |