829 lines
35 KiB
Java

/*
* Copyright (C) 2016 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.material.bottomnavigation;
import static androidx.test.espresso.Espresso.onView;
import static androidx.test.espresso.action.ViewActions.click;
import static androidx.test.espresso.assertion.ViewAssertions.matches;
import static androidx.test.espresso.matcher.ViewMatchers.isDescendantOfA;
import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
import static androidx.test.espresso.matcher.ViewMatchers.withId;
import static androidx.test.espresso.matcher.ViewMatchers.withText;
import static com.google.android.material.testutils.BottomNavigationViewActions.addMenuItem;
import static com.google.android.material.testutils.BottomNavigationViewActions.setIconForMenuItem;
import static com.google.android.material.testutils.BottomNavigationViewActions.setIconSize;
import static com.google.android.material.testutils.BottomNavigationViewActions.setItemIconTintList;
import static com.google.android.material.testutils.BottomNavigationViewActions.setLabelVisibilityMode;
import static com.google.android.material.testutils.BottomNavigationViewActions.showBadgeNumberForMenuItem;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.core.AllOf.allOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.res.Resources;
import android.os.Build;
import android.os.Parcelable;
import android.util.SparseArray;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.ColorInt;
import androidx.core.content.res.ResourcesCompat;
import androidx.core.view.ViewCompat;
import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.AccessibilityActionCompat;
import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.CollectionInfoCompat;
import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.CollectionItemInfoCompat;
import androidx.test.annotation.UiThreadTest;
import androidx.test.filters.LargeTest;
import androidx.test.filters.SdkSuppress;
import androidx.test.filters.SmallTest;
import androidx.test.rule.ActivityTestRule;
import androidx.test.runner.AndroidJUnit4;
import com.google.android.material.navigation.NavigationBarItemView;
import com.google.android.material.navigation.NavigationBarMenuView;
import com.google.android.material.navigation.NavigationBarView;
import com.google.android.material.navigation.NavigationBarView.OnItemReselectedListener;
import com.google.android.material.navigation.NavigationBarView.OnItemSelectedListener;
import com.google.android.material.testapp.BottomNavigationViewActivity;
import com.google.android.material.testapp.R;
import com.google.android.material.testutils.AccessibilityUtils;
import com.google.android.material.testutils.TestDrawable;
import com.google.android.material.testutils.TestUtilsMatchers;
import java.util.HashMap;
import java.util.Map;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
public class BottomNavigationViewTest {
@Rule
public final ActivityTestRule<BottomNavigationViewActivity> activityTestRule =
new ActivityTestRule<>(BottomNavigationViewActivity.class);
private static final int[] MENU_CONTENT_ITEM_IDS = {
R.id.destination_home, R.id.destination_profile, R.id.destination_people
};
private Map<Integer, String> menuStringContent;
private BottomNavigationView bottomNavigation;
@Before
public void setUp() throws Exception {
final BottomNavigationViewActivity activity = activityTestRule.getActivity();
activity.setTheme(R.style.Theme_MaterialComponents_Light);
bottomNavigation = activity.findViewById(R.id.bottom_navigation);
final Resources res = activity.getResources();
menuStringContent = new HashMap<>(MENU_CONTENT_ITEM_IDS.length);
menuStringContent.put(R.id.destination_home, res.getString(R.string.navigate_home));
menuStringContent.put(R.id.destination_profile, res.getString(R.string.navigate_profile));
menuStringContent.put(R.id.destination_people, res.getString(R.string.navigate_people));
}
@UiThreadTest
@Test
@SmallTest
public void testAddItemsWithoutMenuInflation() {
BottomNavigationView navigation = new BottomNavigationView(activityTestRule.getActivity());
activityTestRule.getActivity().setContentView(navigation);
navigation.getMenu().add("Item1");
navigation.getMenu().add("Item2");
assertEquals(2, navigation.getMenu().size());
navigation.getMenu().removeItem(0);
navigation.getMenu().removeItem(0);
assertEquals(0, navigation.getMenu().size());
}
@Test
@SmallTest
public void testBasics() {
// Check the contents of the Menu object
final Menu menu = bottomNavigation.getMenu();
assertNotNull("Menu should not be null", menu);
assertEquals("Should have matching number of items", MENU_CONTENT_ITEM_IDS.length, menu.size());
for (int i = 0; i < MENU_CONTENT_ITEM_IDS.length; i++) {
final MenuItem currItem = menu.getItem(i);
assertEquals("ID for Item #" + i, MENU_CONTENT_ITEM_IDS[i], currItem.getItemId());
}
}
@Test
@LargeTest
public void testNavigationSelectionListener() {
OnItemSelectedListener mockedListener = mock(OnItemSelectedListener.class);
bottomNavigation.setOnItemSelectedListener(mockedListener);
// Make the listener return true to allow selecting the item.
when(mockedListener.onNavigationItemSelected(any(MenuItem.class))).thenReturn(true);
onView(
allOf(
withText(menuStringContent.get(R.id.destination_profile)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify our listener has been notified of the click
verify(mockedListener, times(1))
.onNavigationItemSelected(bottomNavigation.getMenu().findItem(R.id.destination_profile));
// Verify the item is now selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Select the same item again
onView(
allOf(
withText(menuStringContent.get(R.id.destination_profile)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify our listener has been notified of the click
verify(mockedListener, times(2))
.onNavigationItemSelected(bottomNavigation.getMenu().findItem(R.id.destination_profile));
// Verify the item is still selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Make the listener return false to disallow selecting the item.
when(mockedListener.onNavigationItemSelected(any(MenuItem.class))).thenReturn(false);
onView(
allOf(
withText(menuStringContent.get(R.id.destination_people)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify our listener has been notified of the click
verify(mockedListener, times(1))
.onNavigationItemSelected(bottomNavigation.getMenu().findItem(R.id.destination_people));
// Verify the previous item is still selected
assertFalse(bottomNavigation.getMenu().findItem(R.id.destination_people).isChecked());
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Set null listener to test that the next click is not going to notify the
// previously set listener and will allow selecting items.
bottomNavigation.setOnItemSelectedListener(null);
// Click one of our items
onView(
allOf(
withText(menuStringContent.get(R.id.destination_home)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify that our previous listener has not been notified of the click
verifyNoMoreInteractions(mockedListener);
// Verify the correct item is now selected.
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_home).isChecked());
}
@UiThreadTest
@Test
@SmallTest
public void testSetSelectedItemId() {
OnItemSelectedListener mockedListener = mock(OnItemSelectedListener.class);
bottomNavigation.setOnItemSelectedListener(mockedListener);
// Make the listener return true to allow selecting the item.
when(mockedListener.onNavigationItemSelected(any(MenuItem.class))).thenReturn(true);
// Programmatically select an item
bottomNavigation.setSelectedItemId(R.id.destination_profile);
// Verify our listener has been notified of the click
verify(mockedListener, times(1))
.onNavigationItemSelected(bottomNavigation.getMenu().findItem(R.id.destination_profile));
// Verify the item is now selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Select the same item
bottomNavigation.setSelectedItemId(R.id.destination_profile);
// Verify our listener has been notified of the click
verify(mockedListener, times(2))
.onNavigationItemSelected(bottomNavigation.getMenu().findItem(R.id.destination_profile));
// Verify the item is still selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Make the listener return false to disallow selecting the item.
when(mockedListener.onNavigationItemSelected(any(MenuItem.class))).thenReturn(false);
// Programmatically select an item
bottomNavigation.setSelectedItemId(R.id.destination_people);
// Verify our listener has been notified of the click
verify(mockedListener, times(1))
.onNavigationItemSelected(bottomNavigation.getMenu().findItem(R.id.destination_people));
// Verify the previous item is still selected
assertFalse(bottomNavigation.getMenu().findItem(R.id.destination_people).isChecked());
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Set null listener to test that the next click is not going to notify the
// previously set listener and will allow selecting items.
bottomNavigation.setOnItemSelectedListener(null);
// Select one of our items
bottomNavigation.setSelectedItemId(R.id.destination_home);
// Verify that our previous listener has not been notified of the click
verifyNoMoreInteractions(mockedListener);
// Verify the correct item is now selected.
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_home).isChecked());
}
@Test
@SmallTest
public void testNavigationReselectionListener() {
// Add an OnItemReselectedListener
OnItemReselectedListener reselectedListener =
mock(NavigationBarView.OnItemReselectedListener.class);
bottomNavigation.setOnItemReselectedListener(reselectedListener);
// Select an item
onView(
allOf(
withText(menuStringContent.get(R.id.destination_profile)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify the item is now selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Verify the listener was not called
verify(reselectedListener, never()).onNavigationItemReselected(any(MenuItem.class));
// Select the same item again
onView(
allOf(
withText(menuStringContent.get(R.id.destination_profile)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify the item is still selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Verify the listener was called
verify(reselectedListener, times(1))
.onNavigationItemReselected(bottomNavigation.getMenu().findItem(R.id.destination_profile));
// Add an OnItemSelectedListener
OnItemSelectedListener selectedListener = mock(OnItemSelectedListener.class);
bottomNavigation.setOnItemSelectedListener(selectedListener);
// Make the listener return true to allow selecting the item.
when(selectedListener.onNavigationItemSelected(any(MenuItem.class))).thenReturn(true);
// Select another item
onView(
allOf(
withText(menuStringContent.get(R.id.destination_people)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify the item is now selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_people).isChecked());
// Verify the correct listeners were called
verify(selectedListener, times(1))
.onNavigationItemSelected(bottomNavigation.getMenu().findItem(R.id.destination_people));
verify(reselectedListener, never())
.onNavigationItemReselected(bottomNavigation.getMenu().findItem(R.id.destination_people));
// Select the same item again
onView(
allOf(
withText(menuStringContent.get(R.id.destination_people)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify the item is still selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_people).isChecked());
// Verify the correct listeners were called
verifyNoMoreInteractions(selectedListener);
verify(reselectedListener, times(1))
.onNavigationItemReselected(bottomNavigation.getMenu().findItem(R.id.destination_people));
// Remove the OnItemReselectedListener
bottomNavigation.setOnItemReselectedListener(null);
// Select the same item again
onView(
allOf(
withText(menuStringContent.get(R.id.destination_people)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Verify the item is still selected
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_people).isChecked());
// Verify the reselectedListener was not called
verifyNoMoreInteractions(reselectedListener);
}
@UiThreadTest
@Test
@SmallTest
public void testSelectedItemIdWithEmptyMenu() {
// First item initially selected
assertEquals(R.id.destination_home, bottomNavigation.getSelectedItemId());
// Remove all the items
for (int id : menuStringContent.keySet()) {
bottomNavigation.getMenu().removeItem(id);
}
// Verify selected ID is zero
assertEquals(0, bottomNavigation.getSelectedItemId());
// Add an item
bottomNavigation.getMenu().add(0, R.id.destination_home, 0, R.string.navigate_home);
// Verify item is selected
assertEquals(R.id.destination_home, bottomNavigation.getSelectedItemId());
// Try selecting an invalid ID
bottomNavigation.setSelectedItemId(R.id.destination_people);
// Verify the view has not changed
assertEquals(R.id.destination_home, bottomNavigation.getSelectedItemId());
}
@Test
@SmallTest
public void testIconTinting() {
final Resources res = activityTestRule.getActivity().getResources();
@ColorInt final int redFill = ResourcesCompat.getColor(res, R.color.test_red, null);
@ColorInt final int greenFill = ResourcesCompat.getColor(res, R.color.test_green, null);
@ColorInt final int blueFill = ResourcesCompat.getColor(res, R.color.test_blue, null);
final int iconSize = res.getDimensionPixelSize(R.dimen.drawable_small_size);
onView(withId(R.id.bottom_navigation))
.perform(
setIconForMenuItem(
R.id.destination_home, new TestDrawable(redFill, iconSize, iconSize)));
onView(withId(R.id.bottom_navigation))
.perform(
setIconForMenuItem(
R.id.destination_profile, new TestDrawable(greenFill, iconSize, iconSize)));
onView(withId(R.id.bottom_navigation))
.perform(
setIconForMenuItem(
R.id.destination_people, new TestDrawable(blueFill, iconSize, iconSize)));
@ColorInt
final int defaultTintColor = ResourcesCompat.getColor(res, R.color.emerald_translucent, null);
// We're allowing a margin of error in checking the color of the items' icons.
// This is due to the translucent color being used in the icon tinting
// and off-by-one discrepancies of SRC_IN when it's compositing
// translucent color. Note that all the checks below are written for the current
// logic on BottomNavigationView that uses the default SRC_IN tint mode - effectively
// replacing all non-transparent pixels in the destination (original icon) with
// our translucent tint color.
final int allowedComponentVariance = 1;
// Note that here we're tying ourselves to the implementation details of the internal
// structure of the BottomNavigationView. Specifically, we're checking the drawable the
// ImageView with id R.id.navigation_bar_item_icon_view. If the internal implementation of
// BottomNavigationView
// changes, the second Matcher in the lookups below will need to be tweaked.
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_home))))
.check(matches(TestUtilsMatchers.drawable(defaultTintColor, allowedComponentVariance)));
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_profile))))
.check(matches(TestUtilsMatchers.drawable(defaultTintColor, allowedComponentVariance)));
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_people))))
.check(matches(TestUtilsMatchers.drawable(defaultTintColor, allowedComponentVariance)));
@ColorInt final int newTintColor = ResourcesCompat.getColor(res, R.color.red_translucent, null);
onView(withId(R.id.bottom_navigation))
.perform(
setItemIconTintList(
ResourcesCompat.getColorStateList(
res, R.color.color_state_list_red_translucent, null)));
// Check that all menu items with icons now have icons tinted with the newly set color
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_home))))
.check(matches(TestUtilsMatchers.drawable(newTintColor, allowedComponentVariance)));
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_profile))))
.check(matches(TestUtilsMatchers.drawable(newTintColor, allowedComponentVariance)));
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_people))))
.check(matches(TestUtilsMatchers.drawable(newTintColor, allowedComponentVariance)));
// And now remove all icon tinting
onView(withId(R.id.bottom_navigation)).perform(setItemIconTintList(null));
// And verify that all menu items with icons now have the original colors for their icons.
// Note that since there is no tinting at this point, we don't allow any color variance
// in these checks.
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_home))))
.check(matches(TestUtilsMatchers.drawable(redFill, allowedComponentVariance)));
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_profile))))
.check(matches(TestUtilsMatchers.drawable(greenFill, allowedComponentVariance)));
onView(
allOf(
withId(R.id.navigation_bar_item_icon_view),
isDescendantOfA(withId(R.id.destination_people))))
.check(matches(TestUtilsMatchers.drawable(blueFill, allowedComponentVariance)));
}
@UiThreadTest
@Test
@SmallTest
public void testItemChecking() throws Throwable {
final Menu menu = bottomNavigation.getMenu();
assertTrue(menu.getItem(0).isChecked());
checkAndVerifyExclusiveItem(menu, R.id.destination_home);
checkAndVerifyExclusiveItem(menu, R.id.destination_profile);
checkAndVerifyExclusiveItem(menu, R.id.destination_people);
}
@UiThreadTest
@Test
@SmallTest
public void testAutoLabelVisibilityItemChecking() throws Throwable {
bottomNavigation.getMenu().clear();
bottomNavigation.setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_AUTO);
bottomNavigation.inflateMenu(R.menu.bottom_navigation_view_shifting_content);
final Menu menu = bottomNavigation.getMenu();
assertTrue(menu.getItem(0).isChecked());
checkAndVerifyExclusiveItem(menu, R.id.destination_home);
checkAndVerifyExclusiveItem(menu, R.id.destination_profile);
checkAndVerifyExclusiveItem(menu, R.id.destination_people);
}
@UiThreadTest
@Test
@SmallTest
public void testClearingMenu() throws Throwable {
bottomNavigation.getMenu().clear();
assertEquals(0, bottomNavigation.getMenu().size());
bottomNavigation.inflateMenu(R.menu.bottom_navigation_view_content);
assertEquals(3, bottomNavigation.getMenu().size());
}
@UiThreadTest
@Test
@SmallTest
public void testClearingAutoMenu() throws Throwable {
bottomNavigation.setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_AUTO);
bottomNavigation.getMenu().clear();
assertEquals(0, bottomNavigation.getMenu().size());
bottomNavigation.inflateMenu(R.menu.bottom_navigation_view_shifting_content);
assertEquals(4, bottomNavigation.getMenu().size());
}
@UiThreadTest
@Test
@SmallTest
public void testClearingSelectedMenu() throws Throwable {
bottomNavigation.setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_SELECTED);
bottomNavigation.getMenu().clear();
assertEquals(0, bottomNavigation.getMenu().size());
bottomNavigation.inflateMenu(R.menu.bottom_navigation_view_shifting_content);
assertEquals(4, bottomNavigation.getMenu().size());
}
@UiThreadTest
@Test
@SmallTest
public void testClearingLabeledMenu() throws Throwable {
bottomNavigation.setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_LABELED);
bottomNavigation.getMenu().clear();
assertEquals(0, bottomNavigation.getMenu().size());
bottomNavigation.inflateMenu(R.menu.bottom_navigation_view_content);
assertEquals(3, bottomNavigation.getMenu().size());
}
@UiThreadTest
@Test
@SmallTest
public void testClearingUnlabeledMenu() throws Throwable {
bottomNavigation.setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_UNLABELED);
bottomNavigation.getMenu().clear();
assertEquals(0, bottomNavigation.getMenu().size());
bottomNavigation.inflateMenu(R.menu.bottom_navigation_view_shifting_content);
assertEquals(4, bottomNavigation.getMenu().size());
}
@UiThreadTest
@Test
@SmallTest
public void testSettingMenuItemVisibility() throws Throwable {
final MenuItem homeMenuItem = bottomNavigation.getMenu().findItem(R.id.destination_home);
assertTrue(homeMenuItem.isVisible());
homeMenuItem.setVisible(false);
assertFalse(homeMenuItem.isVisible());
bottomNavigation.getMenu().clear();
bottomNavigation.inflateMenu(R.menu.bottom_navigation_view_with_invisible_button_content);
assertEquals(3, bottomNavigation.getMenu().size());
final MenuItem destinationMenuItem =
bottomNavigation.getMenu().findItem(R.id.destination_profile);
assertFalse(destinationMenuItem.isVisible());
destinationMenuItem.setVisible(true);
assertTrue(destinationMenuItem.isVisible());
}
@UiThreadTest
@Test
@SmallTest
public void testSettingLabeledMenuItemVisibility() throws Throwable {
bottomNavigation.setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_LABELED);
final MenuItem homeMenuItem = bottomNavigation.getMenu().findItem(R.id.destination_home);
assertTrue(homeMenuItem.isVisible());
homeMenuItem.setVisible(false);
assertFalse(homeMenuItem.isVisible());
}
@UiThreadTest
@Test
@SmallTest
public void testSettingAutoItemVisibility() throws Throwable {
bottomNavigation.getMenu().clear();
bottomNavigation.setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_AUTO);
bottomNavigation.inflateMenu(
R.menu.bottom_navigation_view_shifting_with_invisible_button_content);
assertEquals(4, bottomNavigation.getMenu().size());
final MenuItem destinationMenuItem =
bottomNavigation.getMenu().findItem(R.id.destination_profile);
assertFalse(destinationMenuItem.isVisible());
destinationMenuItem.setVisible(true);
assertTrue(destinationMenuItem.isVisible());
}
@Test
@SmallTest
public void testLabelVisibilityDefaultShouldNotShift() {
// Check that there are 3 menu items, so that shifting mode should not be enabled.
assertEquals(3, bottomNavigation.getMenu().size());
// Ensure that the items do not shift when there are 3 or less items.
onView(withId(R.id.destination_profile)).perform(click());
checkLabelVisibilityIsLabeled();
onView(withId(R.id.destination_people)).perform(click());
checkLabelVisibilityIsLabeled();
}
@Test
@SmallTest
public void testLabelVisibilityDefaultShouldShift() {
// Add a navigation item to trigger the default shifting behavior when there are more than 3
// navigation items.
onView(withId(R.id.bottom_navigation)).perform(addMenuItem("Settings"));
assertEquals(4, bottomNavigation.getMenu().size());
// Ensure that the items shift when there are more than 3 items.
onView(withId(R.id.destination_profile)).perform(click());
checkLabelVisibilityIsSelected();
onView(withId(R.id.destination_people)).perform(click());
checkLabelVisibilityIsSelected();
}
@Test
@SmallTest
public void testLabelVisibilityModeUnlabeledLabelsAreNotDisplayed() {
onView(withId(R.id.bottom_navigation))
.perform(setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_UNLABELED));
onView(withId(R.id.destination_profile)).perform(click());
checkLabelVisibilityIsUnlabeled();
}
@Test
@SmallTest
public void testLabelVisibilityModeLabeledLabelsAreDisplayed() {
onView(withId(R.id.bottom_navigation))
.perform(setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_LABELED));
onView(withId(R.id.destination_profile)).perform(click());
checkLabelVisibilityIsLabeled();
}
@Test
@SmallTest
public void testLabelVisibilityModeSelectedLabelsAreDisplayedWhenSelected() {
onView(withId(R.id.bottom_navigation))
.perform(setLabelVisibilityMode(LabelVisibilityMode.LABEL_VISIBILITY_SELECTED));
onView(withId(R.id.destination_profile)).perform(click());
checkLabelVisibilityIsSelected();
}
@Test
@SmallTest
public void testIconSizeChanges() {
int size = 32;
onView(withId(R.id.bottom_navigation)).perform(setIconSize(size));
assertEquals(size, bottomNavigation.getItemIconSize());
// Change the size again to ensure that the size actually changes.
size = 18;
onView(withId(R.id.bottom_navigation)).perform(setIconSize(size));
assertEquals(size, bottomNavigation.getItemIconSize());
}
@Test
@SmallTest
public void testSavedState() throws Throwable {
// Select an item other than the first
onView(
allOf(
withText(menuStringContent.get(R.id.destination_profile)),
isDescendantOfA(withId(R.id.bottom_navigation)),
isDisplayed()))
.perform(click());
// Show badge number on the first bottom navigation item view.
onView(withId(R.id.bottom_navigation))
.perform(showBadgeNumberForMenuItem(R.id.destination_home, 75));
assertTrue(bottomNavigation.getMenu().findItem(R.id.destination_profile).isChecked());
// Save the current state
SparseArray<Parcelable> container = new SparseArray<>();
bottomNavigation.saveHierarchyState(container);
// Restore the state into a fresh BottomNavigationView
activityTestRule.runOnUiThread(
() -> {
BottomNavigationView testView = new BottomNavigationView(activityTestRule.getActivity());
testView.setId(R.id.bottom_navigation);
testView.inflateMenu(R.menu.bottom_navigation_view_content);
testView.restoreHierarchyState(container);
assertTrue(testView.getMenu().findItem(R.id.destination_profile).isChecked());
assertTrue(
((NavigationBarMenuView) testView.getMenuView())
.findItemView(R.id.destination_home)
.getBadge()
.isVisible());
assertTrue(testView.getBadge(R.id.destination_home).isVisible());
assertEquals(75, testView.getBadge(R.id.destination_home).getNumber());
assertEquals(999, testView.getBadge(R.id.destination_home).getMaxNumber());
});
}
@UiThreadTest
@Test
@SmallTest
@SdkSuppress(minSdkVersion = Build.VERSION_CODES.N)
@TargetApi(Build.VERSION_CODES.N)
public void testPointerIcon() throws Throwable {
final Activity activity = activityTestRule.getActivity();
final MotionEvent event = MotionEvent.obtain(0, 0, MotionEvent.ACTION_HOVER_MOVE, 0, 0, 0);
final Menu menu = bottomNavigation.getMenu();
for (int i = 0; i < menu.size(); i++) {
final MenuItem item = menu.getItem(i);
assertTrue(item.isEnabled());
final View itemView = activity.findViewById(item.getItemId());
assertNull(itemView.onResolvePointerIcon(event, 0));
item.setEnabled(false);
assertNull(itemView.onResolvePointerIcon(event, 0));
item.setEnabled(true);
assertNull(itemView.onResolvePointerIcon(event, 0));
}
}
@UiThreadTest
@Test
@SmallTest
public void testContentDescription() {
ViewGroup menuView = (ViewGroup) bottomNavigation.getChildAt(0);
final int count = menuView.getChildCount();
for (int i = 0; i < count; i++) {
View child = menuView.getChildAt(i);
// We're using the same strings for content description
assertEquals(menuStringContent.get(child.getId()), child.getContentDescription().toString());
}
menuView.getChildAt(0).getContentDescription();
}
@UiThreadTest
@Test
@SmallTest
@SdkSuppress(minSdkVersion = Build.VERSION_CODES.M)
public void testOnInitializeAccessibilityNodeInfo() {
NavigationBarMenuView menuView = (NavigationBarMenuView) bottomNavigation.getMenuView();
AccessibilityNodeInfoCompat groupInfoCompat = AccessibilityNodeInfoCompat.obtain();
ViewCompat.onInitializeAccessibilityNodeInfo(menuView, groupInfoCompat);
CollectionInfoCompat collectionInfo = groupInfoCompat.getCollectionInfo();
Assert.assertEquals(3, collectionInfo.getColumnCount());
Assert.assertEquals(1, collectionInfo.getRowCount());
NavigationBarItemView secondChild = (NavigationBarItemView) menuView.getChildAt(1);
secondChild.setSelected(true);
AccessibilityNodeInfoCompat buttonInfoCompat = AccessibilityNodeInfoCompat.obtain();
ViewCompat.onInitializeAccessibilityNodeInfo(secondChild, buttonInfoCompat);
// A tab that is currently selected won't be clickable by a11y
assertFalse(buttonInfoCompat.isClickable());
assertFalse(
AccessibilityUtils.hasAction(buttonInfoCompat, AccessibilityActionCompat.ACTION_CLICK));
CollectionItemInfoCompat itemInfo = buttonInfoCompat.getCollectionItemInfo();
Assert.assertEquals(1, itemInfo.getColumnIndex());
Assert.assertEquals(0, itemInfo.getRowIndex());
assertTrue(itemInfo.isSelected());
}
private void checkAndVerifyExclusiveItem(final Menu menu, final int id) throws Throwable {
menu.findItem(id).setChecked(true);
for (int i = 0; i < menu.size(); i++) {
final MenuItem item = menu.getItem(i);
if (item.getItemId() == id) {
assertTrue(item.isChecked());
} else {
assertFalse(item.isChecked());
}
}
}
private void checkLabelVisibilityIsLabeled() {
for (int id : MENU_CONTENT_ITEM_IDS) {
MenuItem item = bottomNavigation.getMenu().findItem(id);
if (item.isChecked()) {
checkLargeLabelIsShown(String.valueOf(item.getTitle()));
} else {
checkSmallLabelIsShown(String.valueOf(item.getTitle()));
}
}
}
private void checkLabelVisibilityIsUnlabeled() {
for (int id : MENU_CONTENT_ITEM_IDS) {
checkNoLabelIsShown(String.valueOf(bottomNavigation.getMenu().findItem(id).getTitle()));
}
}
private void checkLabelVisibilityIsSelected() {
for (int id : MENU_CONTENT_ITEM_IDS) {
MenuItem item = bottomNavigation.getMenu().findItem(id);
if (item.isChecked()) {
checkLargeLabelIsShown(String.valueOf(item.getTitle()));
} else {
checkNoLabelIsShown(String.valueOf(item.getTitle()));
}
}
}
private void checkSmallLabelIsShown(String label) {
onView(allOf(withId(R.id.navigation_bar_item_large_label_view), withText(label)))
.check(matches(not(isDisplayed())));
onView(allOf(withId(R.id.navigation_bar_item_small_label_view), withText(label)))
.check(matches(isDisplayed()));
}
private void checkLargeLabelIsShown(String label) {
onView(allOf(withId(R.id.navigation_bar_item_large_label_view), withText(label)))
.check(matches(isDisplayed()));
onView(allOf(withId(R.id.navigation_bar_item_small_label_view), withText(label)))
.check(matches(not(isDisplayed())));
}
private void checkNoLabelIsShown(String label) {
onView(allOf(withId(R.id.navigation_bar_item_large_label_view), withText(label)))
.check(matches(not(isDisplayed())));
onView(allOf(withId(R.id.navigation_bar_item_small_label_view), withText(label)))
.check(matches(not(isDisplayed())));
}
}