1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package androidx.appcompat.app; 17 18 import static android.support.test.espresso.Espresso.onView; 19 import static android.support.test.espresso.assertion.ViewAssertions.doesNotExist; 20 import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom; 21 import static android.support.test.espresso.matcher.ViewMatchers.withId; 22 23 import static org.hamcrest.CoreMatchers.allOf; 24 import static org.mockito.Mockito.mock; 25 26 import android.support.test.annotation.UiThreadTest; 27 import android.support.test.espresso.UiController; 28 import android.support.test.espresso.ViewAction; 29 import android.support.test.filters.SmallTest; 30 import android.support.test.rule.ActivityTestRule; 31 import android.support.test.runner.AndroidJUnit4; 32 import android.view.View; 33 import android.view.ViewStub; 34 35 import androidx.annotation.LayoutRes; 36 import androidx.appcompat.test.R; 37 import androidx.drawerlayout.widget.DrawerLayout; 38 39 import org.hamcrest.Description; 40 import org.hamcrest.Matcher; 41 import org.hamcrest.TypeSafeMatcher; 42 import org.junit.After; 43 import org.junit.Rule; 44 import org.junit.Test; 45 import org.junit.runner.RunWith; 46 47 /** 48 * Test cases to verify that <code>DrawerLayout</code> only supports configurations 49 * with at most one drawer child along each vertical (left / right) edge. 50 */ 51 @SmallTest 52 @RunWith(AndroidJUnit4.class) 53 public class DrawerDynamicLayoutTest { 54 @Rule 55 public final ActivityTestRule<DrawerDynamicLayoutActivity> mActivityTestRule = 56 new ActivityTestRule<>(DrawerDynamicLayoutActivity.class); 57 58 @UiThreadTest 59 @After 60 public void tearDown() { 61 // Now that the test is done, replace the activity content view with ViewStub so 62 // that it's ready to be replaced for the next test. 63 final DrawerDynamicLayoutActivity activity = mActivityTestRule.getActivity(); 64 activity.setContentView(R.layout.drawer_dynamic_layout); 65 } 66 67 /** 68 * Matches views that have parents. 69 */ 70 private Matcher<View> hasParent() { 71 return new TypeSafeMatcher<View>() { 72 @Override 73 public void describeTo(Description description) { 74 description.appendText("has parent"); 75 } 76 77 @Override 78 public boolean matchesSafely(View view) { 79 return view.getParent() != null; 80 } 81 }; 82 } 83 84 /** 85 * Inflates the <code>ViewStub</code> with the passed layout resource. 86 */ 87 private ViewAction inflateViewStub(final @LayoutRes int layoutResId) { 88 return new ViewAction() { 89 @Override 90 public Matcher<View> getConstraints() { 91 return allOf(isAssignableFrom(ViewStub.class), hasParent()); 92 } 93 94 @Override 95 public String getDescription() { 96 return "Inflates view stub"; 97 } 98 99 @Override 100 public void perform(UiController uiController, View view) { 101 uiController.loopMainThreadUntilIdle(); 102 103 ViewStub viewStub = (ViewStub) view; 104 viewStub.setLayoutResource(layoutResId); 105 viewStub.inflate(); 106 107 uiController.loopMainThreadUntilIdle(); 108 } 109 }; 110 } 111 112 @Test 113 public void testSingleStartDrawer() { 114 onView(withId(R.id.drawer_layout)).check(doesNotExist()); 115 onView(withId(R.id.drawer_stub)).perform( 116 inflateViewStub(R.layout.drawer_dynamic_content_single_start)); 117 } 118 119 @Test(expected=IllegalStateException.class) 120 public void testDoubleStartDrawers() { 121 onView(withId(R.id.drawer_layout)).check(doesNotExist()); 122 // Note the expected exception in the @Test annotation, as we expect the DrawerLayout 123 // to throw exception during the measure pass as it detects two start drawers. 124 onView(withId(R.id.drawer_stub)).perform( 125 inflateViewStub(R.layout.drawer_dynamic_content_double_start)); 126 } 127 128 @Test 129 public void testSingleEndDrawer() { 130 onView(withId(R.id.drawer_layout)).check(doesNotExist()); 131 onView(withId(R.id.drawer_stub)).perform( 132 inflateViewStub(R.layout.drawer_dynamic_content_single_end)); 133 } 134 135 @Test(expected=IllegalStateException.class) 136 public void testDoubleEndDrawers() { 137 onView(withId(R.id.drawer_layout)).check(doesNotExist()); 138 // Note the expected exception in the @Test annotation, as we expect the DrawerLayout 139 // to throw exception during the measure pass as it detects two end drawers. 140 onView(withId(R.id.drawer_stub)).perform( 141 inflateViewStub(R.layout.drawer_dynamic_content_double_end)); 142 } 143 144 @Test 145 public void testSingleStartDrawerSingleEndDrawer() { 146 onView(withId(R.id.drawer_layout)).check(doesNotExist()); 147 onView(withId(R.id.drawer_stub)).perform( 148 inflateViewStub(R.layout.drawer_dynamic_content_start_end)); 149 } 150 151 @Test(expected=IllegalStateException.class) 152 public void testDoubleStartDrawersSingleEndDrawer() { 153 onView(withId(R.id.drawer_layout)).check(doesNotExist()); 154 // Note the expected exception in the @Test annotation, as we expect the DrawerLayout 155 // to throw exception during the measure pass as it detects two start drawers. 156 onView(withId(R.id.drawer_stub)).perform( 157 inflateViewStub(R.layout.drawer_dynamic_content_double_start_single_end)); 158 } 159 160 @Test(expected=IllegalStateException.class) 161 public void testDoubleEndDrawersSingleStartDrawer() { 162 onView(withId(R.id.drawer_layout)).check(doesNotExist()); 163 // Note the expected exception in the @Test annotation, as we expect the DrawerLayout 164 // to throw exception during the measure pass as it detects two start drawers. 165 onView(withId(R.id.drawer_stub)).perform( 166 inflateViewStub(R.layout.drawer_dynamic_content_double_end_single_start)); 167 } 168 169 @Test 170 public void testRemoveUnregisteredListener() { 171 onView(withId(R.id.drawer_stub)).perform( 172 inflateViewStub(R.layout.drawer_dynamic_content_single_start)); 173 174 // We do this test here and not in DrawerLayoutTest since we want to be sure that the 175 // call to DrawerLayout.removeDrawerLayout() didn't have any calls to addDrawerLayout() 176 // before it. DrawerLayoutTest and its DrawerLayoutActivity register listeners as part 177 // of their initial setup flow. 178 final DrawerLayout startDrawer = 179 (DrawerLayout) mActivityTestRule.getActivity().findViewById(R.id.drawer_layout); 180 DrawerLayout.DrawerListener mockedListener = mock(DrawerLayout.DrawerListener.class); 181 startDrawer.removeDrawerListener(mockedListener); 182 } 183 } 184