/*
* Copyright (C) 2015 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 android.support.v7.app;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.assertion.ViewAssertions.doesNotExist;
import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static org.hamcrest.CoreMatchers.allOf;
import static org.mockito.Mockito.mock;
import android.support.annotation.LayoutRes;
import android.support.test.annotation.UiThreadTest;
import android.support.test.espresso.UiController;
import android.support.test.espresso.ViewAction;
import android.support.test.filters.SmallTest;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.appcompat.test.R;
import android.view.View;
import android.view.ViewStub;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import org.junit.After;
import org.junit.Test;
/**
* Test cases to verify that <code>DrawerLayout</code> only supports configurations
* with at most one drawer child along each vertical (left / right) edge.
*/
@SmallTest
public class DrawerDynamicLayoutTest
extends BaseInstrumentationTestCase<DrawerDynamicLayoutActivity> {
public DrawerDynamicLayoutTest() {
super(DrawerDynamicLayoutActivity.class);
}
@UiThreadTest
@After
public void tearDown() {
// Now that the test is done, replace the activity content view with ViewStub so
// that it's ready to be replaced for the next test.
final DrawerDynamicLayoutActivity activity = mActivityTestRule.getActivity();
activity.setContentView(R.layout.drawer_dynamic_layout);
}
/**
* Matches views that have parents.
*/
private Matcher<View> hasParent() {
return new TypeSafeMatcher<View>() {
@Override
public void describeTo(Description description) {
description.appendText("has parent");
}
@Override
public boolean matchesSafely(View view) {
return view.getParent() != null;
}
};
}
/**
* Inflates the <code>ViewStub</code> with the passed layout resource.
*/
private ViewAction inflateViewStub(final @LayoutRes int layoutResId) {
return new ViewAction() {
@Override
public Matcher<View> getConstraints() {
return allOf(isAssignableFrom(ViewStub.class), hasParent());
}
@Override
public String getDescription() {
return "Inflates view stub";
}
@Override
public void perform(UiController uiController, View view) {
uiController.loopMainThreadUntilIdle();
ViewStub viewStub = (ViewStub) view;
viewStub.setLayoutResource(layoutResId);
viewStub.inflate();
uiController.loopMainThreadUntilIdle();
}
};
}
@Test
public void testSingleStartDrawer() {
onView(withId(R.id.drawer_layout)).check(doesNotExist());
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_single_start));
}
@Test(expected=IllegalStateException.class)
public void testDoubleStartDrawers() {
onView(withId(R.id.drawer_layout)).check(doesNotExist());
// Note the expected exception in the @Test annotation, as we expect the DrawerLayout
// to throw exception during the measure pass as it detects two start drawers.
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_double_start));
}
@Test
public void testSingleEndDrawer() {
onView(withId(R.id.drawer_layout)).check(doesNotExist());
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_single_end));
}
@Test(expected=IllegalStateException.class)
public void testDoubleEndDrawers() {
onView(withId(R.id.drawer_layout)).check(doesNotExist());
// Note the expected exception in the @Test annotation, as we expect the DrawerLayout
// to throw exception during the measure pass as it detects two end drawers.
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_double_end));
}
@Test
public void testSingleStartDrawerSingleEndDrawer() {
onView(withId(R.id.drawer_layout)).check(doesNotExist());
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_start_end));
}
@Test(expected=IllegalStateException.class)
public void testDoubleStartDrawersSingleEndDrawer() {
onView(withId(R.id.drawer_layout)).check(doesNotExist());
// Note the expected exception in the @Test annotation, as we expect the DrawerLayout
// to throw exception during the measure pass as it detects two start drawers.
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_double_start_single_end));
}
@Test(expected=IllegalStateException.class)
public void testDoubleEndDrawersSingleStartDrawer() {
onView(withId(R.id.drawer_layout)).check(doesNotExist());
// Note the expected exception in the @Test annotation, as we expect the DrawerLayout
// to throw exception during the measure pass as it detects two start drawers.
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_double_end_single_start));
}
@Test
public void testRemoveUnregisteredListener() {
onView(withId(R.id.drawer_stub)).perform(
inflateViewStub(R.layout.drawer_dynamic_content_single_start));
// We do this test here and not in DrawerLayoutTest since we want to be sure that the
// call to DrawerLayout.removeDrawerLayout() didn't have any calls to addDrawerLayout()
// before it. DrawerLayoutTest and its DrawerLayoutActivity register listeners as part
// of their initial setup flow.
final DrawerLayout startDrawer =
(DrawerLayout) mActivityTestRule.getActivity().findViewById(R.id.drawer_layout);
DrawerLayout.DrawerListener mockedListener = mock(DrawerLayout.DrawerListener.class);
startDrawer.removeDrawerListener(mockedListener);
}
}