| /* |
| * Copyright (C) 2014 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.google.android.apps.common.testing.ui.espresso.contrib; |
| |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.MockitoAnnotations.initMocks; |
| |
| import com.google.android.apps.common.testing.ui.espresso.IdlingResource.ResourceCallback; |
| |
| import android.test.InstrumentationTestCase; |
| |
| import org.mockito.Mock; |
| |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.FutureTask; |
| |
| /** Unit tests for {@link CountingIdlingResource}. */ |
| public class CountingIdlingResourceTest extends InstrumentationTestCase { |
| |
| private static final String RESOURCE_NAME = "test_resource"; |
| private CountingIdlingResource resource; |
| |
| @Mock |
| private ResourceCallback mockCallback; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| initMocks(this); |
| resource = new CountingIdlingResource(RESOURCE_NAME, true); |
| } |
| |
| public void testResourceName() { |
| assertEquals(RESOURCE_NAME, resource.getName()); |
| } |
| |
| public void testInvalidStateDetected() throws Exception { |
| resource.increment(); |
| resource.decrement(); |
| try { |
| resource.decrement(); |
| fail("Should throw illegal state exception!"); |
| } catch (IllegalStateException expected) { } |
| } |
| |
| public void testIsIdle() throws Exception { |
| assertTrue(callIsIdle()); |
| resource.increment(); |
| assertFalse(callIsIdle()); |
| resource.decrement(); |
| assertTrue(callIsIdle()); |
| } |
| |
| public void testIdleNotification() throws Exception { |
| registerIdleCallback(); |
| assertTrue(callIsIdle()); |
| verify(mockCallback, never()).onTransitionToIdle(); |
| |
| resource.increment(); |
| verify(mockCallback, never()).onTransitionToIdle(); |
| assertFalse(callIsIdle()); |
| |
| resource.decrement(); |
| verify(mockCallback).onTransitionToIdle(); |
| assertTrue(callIsIdle()); |
| } |
| |
| private void registerIdleCallback() throws Exception { |
| FutureTask<Void> registerTask = new FutureTask<Void>(new Callable<Void>() { |
| @Override |
| public Void call() throws Exception { |
| resource.registerIdleTransitionCallback(mockCallback); |
| return null; |
| } |
| |
| }); |
| getInstrumentation().runOnMainSync(registerTask); |
| try { |
| registerTask.get(); |
| } catch (ExecutionException ee) { |
| throw new RuntimeException(ee.getCause()); |
| } |
| |
| } |
| |
| private boolean callIsIdle() throws Exception { |
| FutureTask<Boolean> isIdleTask = new FutureTask<Boolean>(new IsIdleCallable()); |
| getInstrumentation().runOnMainSync(isIdleTask); |
| try { |
| return isIdleTask.get(); |
| } catch (ExecutionException ee) { |
| throw new RuntimeException(ee.getCause()); |
| } |
| } |
| |
| |
| private class IsIdleCallable implements Callable<Boolean> { |
| @Override |
| public Boolean call() throws Exception { |
| return resource.isIdleNow(); |
| } |
| } |
| |
| } |