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/*
* 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;
import static com.google.common.base.Throwables.propagate;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.nullValue;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.MockitoAnnotations.initMocks;
import com.google.android.apps.common.testing.testrunner.ActivityLifecycleMonitor;
import com.google.android.apps.common.testing.testrunner.ActivityLifecycleMonitorRegistry;
import com.google.android.apps.common.testing.ui.espresso.matcher.RootMatchers;
import com.google.common.util.concurrent.MoreExecutors;
import android.test.AndroidTestCase;
import android.view.View;
import org.hamcrest.Matcher;
import org.hamcrest.Matchers;
import org.mockito.Mock;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicReference;
/** Unit tests for {@link ViewInteraction}. */
public class ViewInteractionTest extends AndroidTestCase {
@Mock
private ViewFinder mockViewFinder;
@Mock
private ViewAssertion mockAssertion;
@Mock
private ViewAction mockAction;
@Mock
private UiController mockUiController;
private FailureHandler failureHandler;
private Executor testExecutor = MoreExecutors.sameThreadExecutor();
private ActivityLifecycleMonitor realLifecycleMonitor;
private ViewInteraction testInteraction;
private View rootView;
private View targetView;
private Matcher<View> viewMatcher;
private Matcher<View> actionConstraint;
private AtomicReference<Matcher<Root>> rootMatcherRef;
@Override
public void setUp() throws Exception {
super.setUp();
initMocks(this);
realLifecycleMonitor = ActivityLifecycleMonitorRegistry.getInstance();
rootView = new View(getContext());
targetView = new View(getContext());
viewMatcher = is(targetView);
actionConstraint = Matchers.<View>notNullValue();
rootMatcherRef = new AtomicReference<Matcher<Root>>(RootMatchers.DEFAULT);
when(mockAction.getDescription()).thenReturn("A Mock!");
failureHandler = new FailureHandler() {
@Override
public void handle(Throwable error, Matcher<View> viewMatcher) {
propagate(error);
}
};
}
@Override
public void tearDown() throws Exception {
ActivityLifecycleMonitorRegistry.registerInstance(realLifecycleMonitor);
super.tearDown();
}
public void testPerformViewViolatesConstraints() {
actionConstraint = not(viewMatcher);
when(mockViewFinder.getView()).thenReturn(targetView);
initInteraction();
try {
testInteraction.perform(mockAction);
fail("should propagate constraint violation!");
} catch (RuntimeException re) {
if (!PerformException.class.isAssignableFrom(re.getClass())) {
throw re;
}
}
}
public void testPerformPropagatesException() {
RuntimeException exceptionToRaise = new RuntimeException();
when(mockViewFinder.getView()).thenReturn(targetView);
doThrow(exceptionToRaise)
.when(mockAction)
.perform(mockUiController, targetView);
initInteraction();
try {
testInteraction.perform(mockAction);
fail("Should propagate exception stored in view operation!");
} catch (RuntimeException re) {
verify(mockAction).perform(mockUiController, targetView);
assertThat(exceptionToRaise, is(re));
}
}
public void testCheckPropagatesException() {
RuntimeException exceptionToRaise = new RuntimeException();
when(mockViewFinder.getView()).thenReturn(targetView);
doThrow(exceptionToRaise)
.when(mockAssertion)
.check(targetView, null);
initInteraction();
try {
testInteraction.check(mockAssertion);
fail("Should propagate exception stored in view operation!");
} catch (RuntimeException re) {
verify(mockAssertion).check(targetView, null);
assertThat(exceptionToRaise, is(re));
}
}
public void testPerformTwiceUpdatesPreviouslyMatched() {
View firstView = new View(getContext());
View secondView = new View(getContext());
when(mockViewFinder.getView()).thenReturn(firstView);
initInteraction();
testInteraction.perform(mockAction);
verify(mockAction).perform(mockUiController, firstView);
when(mockViewFinder.getView()).thenReturn(secondView);
testInteraction.perform(mockAction);
verify(mockAction).perform(mockUiController, secondView);
testInteraction.check(mockAssertion);
verify(mockAssertion).check(secondView, null);
}
public void testPerformAndCheck() {
when(mockViewFinder.getView()).thenReturn(targetView);
initInteraction();
testInteraction.perform(mockAction);
verify(mockAction).perform(mockUiController, targetView);
testInteraction.check(mockAssertion);
verify(mockAssertion).check(targetView, null);
}
public void testCheck() {
when(mockViewFinder.getView()).thenReturn(targetView);
initInteraction();
testInteraction.check(mockAssertion);
verify(mockAssertion).check(targetView, null);
}
public void testInRootUpdatesRef() {
initInteraction();
Matcher<Root> testMatcher = nullValue();
testInteraction.inRoot(testMatcher);
assertEquals(testMatcher, rootMatcherRef.get());
}
public void testInRoot_NullHandling() {
initInteraction();
try {
testInteraction.inRoot(null);
fail("should throw");
} catch (NullPointerException expected) {
}
}
public void testCheck_ViewCannotBeFound() {
NoMatchingViewException noViewException = new NoMatchingViewException.Builder()
.withViewMatcher(viewMatcher)
.withRootView(rootView)
.build();
when(mockViewFinder.getView()).thenThrow(noViewException);
initInteraction();
testInteraction.check(mockAssertion);
verify(mockAssertion).check(null, noViewException);
}
private void initInteraction() {
when(mockAction.getConstraints()).thenReturn(actionConstraint);
testInteraction = new ViewInteraction(mockUiController, mockViewFinder, testExecutor,
failureHandler, viewMatcher, rootMatcherRef);
}
}
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