c8c67d731f
- Prevent mocking ToggleScreenMagnificationPreferenceFragment for test - Use Robolectric's way to launch the fragment so that the fragment contains necessary setup **Root cause** - We called onCreateView directly in the test without the necessary setup in onCreate, which causes the FooterPreferenceController not being initialized. - We created a spyContext that returns a mock PackageManager, however, in the test execution, we didn't mock the context used by the fragment under test. Hence, the fragment didn't use the mock PackageManager in test. Bug: 284209879 Test: atest ToggleScreenMagnificationPreferenceFragmentTest --iterations 5 Change-Id: I7e71a03177526f5bb0c20a58855a7dfdffc2a22f
531 lines
23 KiB
Java
531 lines
23 KiB
Java
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.accessibility;
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import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
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import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
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import static com.android.settings.accessibility.AccessibilityUtil.UserShortcutType;
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import static com.android.settings.accessibility.ToggleFeaturePreferenceFragment.KEY_SAVED_USER_SHORTCUT_TYPE;
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import static com.google.common.truth.Truth.assertThat;
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import static org.junit.Assert.assertTrue;
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import static org.mockito.ArgumentMatchers.anyInt;
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import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.spy;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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import android.app.settings.SettingsEnums;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.pm.PackageManager;
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import android.content.res.Resources;
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import android.database.ContentObserver;
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import android.net.Uri;
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import android.os.Bundle;
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import android.provider.Settings;
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import androidx.appcompat.app.AlertDialog;
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import androidx.preference.SwitchPreference;
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import androidx.test.core.app.ApplicationProvider;
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import com.android.settings.DialogCreatable;
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import com.android.settings.R;
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import com.android.settings.SettingsActivity;
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import com.android.settings.accessibility.AccessibilityDialogUtils.DialogType;
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import com.android.settings.testutils.shadow.ShadowStorageManager;
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import com.android.settings.testutils.shadow.ShadowUserManager;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.google.common.truth.Correspondence;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.RobolectricTestRunner;
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import org.robolectric.Shadows;
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import org.robolectric.annotation.Config;
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import org.robolectric.shadows.ShadowContentResolver;
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import org.robolectric.shadows.ShadowPackageManager;
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import org.robolectric.shadows.androidx.fragment.FragmentController;
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import org.robolectric.util.ReflectionHelpers;
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import java.util.Collection;
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import java.util.List;
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/** Tests for {@link ToggleScreenMagnificationPreferenceFragment}. */
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@Config(shadows = {ShadowUserManager.class, ShadowStorageManager.class})
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@RunWith(RobolectricTestRunner.class)
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public class ToggleScreenMagnificationPreferenceFragmentTest {
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private static final String PLACEHOLDER_PACKAGE_NAME = "com.mock.example";
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private static final String PLACEHOLDER_CLASS_NAME =
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PLACEHOLDER_PACKAGE_NAME + ".mock_a11y_service";
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private static final ComponentName PLACEHOLDER_COMPONENT_NAME = new ComponentName(
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PLACEHOLDER_PACKAGE_NAME, PLACEHOLDER_CLASS_NAME);
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private static final String PLACEHOLDER_DIALOG_TITLE = "title";
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private static final String SOFTWARE_SHORTCUT_KEY =
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Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS;
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private static final String HARDWARE_SHORTCUT_KEY =
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Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE;
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private static final String TRIPLETAP_SHORTCUT_KEY =
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Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED;
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private static final String MAGNIFICATION_CONTROLLER_NAME =
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"com.android.server.accessibility.MagnificationController";
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private static final String KEY_FOLLOW_TYPING =
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Settings.Secure.ACCESSIBILITY_MAGNIFICATION_FOLLOW_TYPING_ENABLED;
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private FragmentController<ToggleScreenMagnificationPreferenceFragment> mFragController;
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private Context mContext;
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private Resources mSpyResources;
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private ShadowPackageManager mShadowPackageManager;
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@Before
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public void setUpTestFragment() {
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mContext = ApplicationProvider.getApplicationContext();
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// Set up the fragment that support window magnification feature
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mSpyResources = spy(mContext.getResources());
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mShadowPackageManager = Shadows.shadowOf(mContext.getPackageManager());
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Context spyContext = spy(mContext);
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when(spyContext.getResources()).thenReturn(mSpyResources);
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setWindowMagnificationSupported(
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/* magnificationAreaSupported= */ true,
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/* windowMagnificationSupported= */ true);
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TestToggleScreenMagnificationPreferenceFragment fragment =
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new TestToggleScreenMagnificationPreferenceFragment();
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fragment.setArguments(new Bundle());
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fragment.setContext(spyContext);
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mFragController = FragmentController.of(fragment, SettingsActivity.class);
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}
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@Test
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public void onResume_defaultStateForFollowingTyping_switchPreferenceShouldReturnTrue() {
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setKeyFollowTypingEnabled(true);
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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final SwitchPreference switchPreference =
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mFragController.get().findPreference(
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MagnificationFollowTypingPreferenceController.PREF_KEY);
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assertThat(switchPreference).isNotNull();
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assertThat(switchPreference.isChecked()).isTrue();
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}
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@Test
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public void onResume_disableFollowingTyping_switchPreferenceShouldReturnFalse() {
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setKeyFollowTypingEnabled(false);
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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final SwitchPreference switchPreference =
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mFragController.get().findPreference(
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MagnificationFollowTypingPreferenceController.PREF_KEY);
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assertThat(switchPreference).isNotNull();
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assertThat(switchPreference.isChecked()).isFalse();
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}
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@Test
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public void onResume_haveRegisterToSpecificUris() {
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ShadowContentResolver shadowContentResolver = Shadows.shadowOf(
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mContext.getContentResolver());
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Uri[] observedUri = new Uri[]{
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Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS),
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Settings.Secure.getUriFor(
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Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE),
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Settings.Secure.getUriFor(
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Settings.Secure.ACCESSIBILITY_MAGNIFICATION_FOLLOW_TYPING_ENABLED),
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Settings.Secure.getUriFor(
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Settings.Secure.ACCESSIBILITY_MAGNIFICATION_ALWAYS_ON_ENABLED)
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};
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for (Uri uri : observedUri) {
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// verify no observer registered before launching the fragment
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assertThat(shadowContentResolver.getContentObservers(uri)).isEmpty();
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}
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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for (Uri uri : observedUri) {
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Collection<ContentObserver> observers = shadowContentResolver.getContentObservers(uri);
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assertThat(observers.size()).isEqualTo(1);
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assertThat(observers.stream().findFirst().get()).isInstanceOf(
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AccessibilitySettingsContentObserver.class);
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}
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}
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@Test
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public void hasValueInSettings_putValue_hasValue() {
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setMagnificationTripleTapEnabled(/* enabled= */ true);
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assertThat(ToggleScreenMagnificationPreferenceFragment.hasMagnificationValuesInSettings(
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mContext, UserShortcutType.TRIPLETAP)).isTrue();
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}
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@Test
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public void optInAllValuesToSettings_optInValue_haveMatchString() {
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int shortcutTypes = UserShortcutType.SOFTWARE | UserShortcutType.TRIPLETAP;
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ToggleScreenMagnificationPreferenceFragment.optInAllMagnificationValuesToSettings(mContext,
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shortcutTypes);
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assertThat(getStringFromSettings(SOFTWARE_SHORTCUT_KEY)).isEqualTo(
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MAGNIFICATION_CONTROLLER_NAME);
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assertThat(getMagnificationTripleTapStatus()).isTrue();
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}
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@Test
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public void optInAllValuesToSettings_existOtherValue_optInValue_haveMatchString() {
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putStringIntoSettings(SOFTWARE_SHORTCUT_KEY, PLACEHOLDER_COMPONENT_NAME.flattenToString());
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ToggleScreenMagnificationPreferenceFragment.optInAllMagnificationValuesToSettings(mContext,
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UserShortcutType.SOFTWARE);
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assertThat(getStringFromSettings(SOFTWARE_SHORTCUT_KEY)).isEqualTo(
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PLACEHOLDER_COMPONENT_NAME.flattenToString() + ":" + MAGNIFICATION_CONTROLLER_NAME);
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}
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@Test
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public void optOutAllValuesToSettings_optOutValue_emptyString() {
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putStringIntoSettings(SOFTWARE_SHORTCUT_KEY, MAGNIFICATION_CONTROLLER_NAME);
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putStringIntoSettings(HARDWARE_SHORTCUT_KEY, MAGNIFICATION_CONTROLLER_NAME);
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setMagnificationTripleTapEnabled(/* enabled= */ true);
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int shortcutTypes =
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UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE | UserShortcutType.TRIPLETAP;
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ToggleScreenMagnificationPreferenceFragment.optOutAllMagnificationValuesFromSettings(
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mContext, shortcutTypes);
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assertThat(getStringFromSettings(SOFTWARE_SHORTCUT_KEY)).isEmpty();
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assertThat(getStringFromSettings(HARDWARE_SHORTCUT_KEY)).isEmpty();
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assertThat(getMagnificationTripleTapStatus()).isFalse();
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}
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@Test
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public void optOutValueFromSettings_existOtherValue_optOutValue_haveMatchString() {
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putStringIntoSettings(SOFTWARE_SHORTCUT_KEY,
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PLACEHOLDER_COMPONENT_NAME.flattenToString() + ":" + MAGNIFICATION_CONTROLLER_NAME);
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putStringIntoSettings(HARDWARE_SHORTCUT_KEY,
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PLACEHOLDER_COMPONENT_NAME.flattenToString() + ":" + MAGNIFICATION_CONTROLLER_NAME);
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int shortcutTypes = UserShortcutType.SOFTWARE | UserShortcutType.HARDWARE;
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ToggleScreenMagnificationPreferenceFragment.optOutAllMagnificationValuesFromSettings(
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mContext, shortcutTypes);
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assertThat(getStringFromSettings(SOFTWARE_SHORTCUT_KEY)).isEqualTo(
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PLACEHOLDER_COMPONENT_NAME.flattenToString());
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assertThat(getStringFromSettings(HARDWARE_SHORTCUT_KEY)).isEqualTo(
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PLACEHOLDER_COMPONENT_NAME.flattenToString());
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}
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@Test
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public void updateShortcutPreferenceData_assignDefaultValueToVariable() {
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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mFragController.get().updateShortcutPreferenceData();
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final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,
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MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
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// Compare to default UserShortcutType
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assertThat(expectedType).isEqualTo(UserShortcutType.SOFTWARE);
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}
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@Test
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public void updateShortcutPreferenceData_hasValueInSettings_assignToVariable() {
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putStringIntoSettings(SOFTWARE_SHORTCUT_KEY, MAGNIFICATION_CONTROLLER_NAME);
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setMagnificationTripleTapEnabled(/* enabled= */ true);
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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mFragController.get().updateShortcutPreferenceData();
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final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,
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MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
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assertThat(expectedType).isEqualTo(UserShortcutType.SOFTWARE | UserShortcutType.TRIPLETAP);
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}
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@Test
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public void updateShortcutPreferenceData_hasValueInSharedPreference_assignToVariable() {
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final PreferredShortcut tripleTapShortcut = new PreferredShortcut(
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MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.TRIPLETAP);
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putUserShortcutTypeIntoSharedPreference(mContext, tripleTapShortcut);
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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mFragController.get().updateShortcutPreferenceData();
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final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,
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MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
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assertThat(expectedType).isEqualTo(UserShortcutType.TRIPLETAP);
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}
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@Test
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public void setupMagnificationEditShortcutDialog_shortcutPreferenceOff_checkboxIsEmptyValue() {
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ToggleScreenMagnificationPreferenceFragment fragment =
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mFragController.create(R.id.main_content, /* bundle= */
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null).start().resume().get();
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fragment.mShortcutPreference = new ShortcutPreference(mContext, /* attrs= */ null);
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fragment.mShortcutPreference.setChecked(false);
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fragment.setupMagnificationEditShortcutDialog(
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createEditShortcutDialog(fragment.getActivity()));
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final int checkboxValue = fragment.getShortcutTypeCheckBoxValue();
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assertThat(checkboxValue).isEqualTo(UserShortcutType.EMPTY);
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}
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@Test
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public void setupMagnificationEditShortcutDialog_shortcutPreferenceOn_checkboxIsSavedValue() {
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ToggleScreenMagnificationPreferenceFragment fragment =
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mFragController.create(R.id.main_content, /* bundle= */
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null).start().resume().get();
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final ShortcutPreference shortcutPreference = new ShortcutPreference(mContext, /* attrs= */
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null);
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final PreferredShortcut tripletapShortcut = new PreferredShortcut(
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MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.TRIPLETAP);
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fragment.mShortcutPreference = shortcutPreference;
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PreferredShortcuts.saveUserShortcutType(mContext, tripletapShortcut);
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fragment.mShortcutPreference.setChecked(true);
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fragment.setupMagnificationEditShortcutDialog(
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createEditShortcutDialog(fragment.getActivity()));
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final int checkboxValue = fragment.getShortcutTypeCheckBoxValue();
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assertThat(checkboxValue).isEqualTo(UserShortcutType.TRIPLETAP);
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}
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@Test
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public void restoreValueFromSavedInstanceState_assignToVariable() {
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final Bundle fragmentState = createFragmentSavedInstanceState(
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UserShortcutType.HARDWARE | UserShortcutType.TRIPLETAP);
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ToggleScreenMagnificationPreferenceFragment fragment = mFragController.get();
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// Had to use reflection to pass the savedInstanceState when launching the fragment
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ReflectionHelpers.setField(fragment, "mSavedFragmentState", fragmentState);
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FragmentController.of(fragment, SettingsActivity.class).create(
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R.id.main_content, /* bundle= */ null).start().resume().get();
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fragment.setupMagnificationEditShortcutDialog(
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createEditShortcutDialog(fragment.getActivity()));
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final int value = fragment.getShortcutTypeCheckBoxValue();
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fragment.saveNonEmptyUserShortcutType(value);
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final int expectedType = PreferredShortcuts.retrieveUserShortcutType(mContext,
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MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
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assertThat(value).isEqualTo(6);
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assertThat(expectedType).isEqualTo(UserShortcutType.HARDWARE | UserShortcutType.TRIPLETAP);
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}
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@Test
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public void onCreateView_magnificationAreaNotSupported_settingsPreferenceIsNull() {
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setWindowMagnificationSupported(
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/* magnificationAreaSupported= */ false,
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/* windowMagnificationSupported= */ true);
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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assertThat(mFragController.get().mSettingsPreference).isNull();
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}
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@Test
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public void onCreateView_windowMagnificationNotSupported_settingsPreferenceIsNull() {
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setWindowMagnificationSupported(
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/* magnificationAreaSupported= */ true,
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/* windowMagnificationSupported= */ false);
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mFragController.create(R.id.main_content, /* bundle= */ null).start().resume();
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assertThat(mFragController.get().mSettingsPreference).isNull();
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}
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@Test
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public void onCreateView_setDialogDelegateAndAddTheControllerToLifeCycleObserver() {
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Correspondence instanceOf = Correspondence.transforming(
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observer -> (observer instanceof MagnificationModePreferenceController),
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"contains MagnificationModePreferenceController");
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ToggleScreenMagnificationPreferenceFragment fragment = mFragController.create(
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R.id.main_content, /* bundle= */ null).start().resume().get();
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DialogCreatable dialogDelegate = ReflectionHelpers.getField(fragment, "mDialogDelegate");
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List<LifecycleObserver> lifecycleObservers = ReflectionHelpers.getField(
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fragment.getSettingsLifecycle(), "mObservers");
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assertThat(dialogDelegate).isInstanceOf(MagnificationModePreferenceController.class);
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assertThat(lifecycleObservers).isNotNull();
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assertThat(lifecycleObservers).comparingElementsUsing(instanceOf).contains(true);
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}
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@Test
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public void onCreateDialog_setDialogDelegate_invokeDialogDelegate() {
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ToggleScreenMagnificationPreferenceFragment fragment =
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mFragController.create(
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R.id.main_content, /* bundle= */ null).start().resume().get();
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final DialogCreatable dialogDelegate = mock(DialogCreatable.class, RETURNS_DEEP_STUBS);
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when(dialogDelegate.getDialogMetricsCategory(anyInt())).thenReturn(1);
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fragment.setDialogDelegate(dialogDelegate);
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fragment.onCreateDialog(1);
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fragment.getDialogMetricsCategory(1);
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verify(dialogDelegate).onCreateDialog(1);
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verify(dialogDelegate).getDialogMetricsCategory(1);
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}
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@Test
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public void getMetricsCategory_returnsCorrectCategory() {
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ToggleScreenMagnificationPreferenceFragment fragment =
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mFragController.create(
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R.id.main_content, /* bundle= */ null).start().resume().get();
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assertThat(fragment.getMetricsCategory()).isEqualTo(
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SettingsEnums.ACCESSIBILITY_TOGGLE_SCREEN_MAGNIFICATION);
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}
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@Test
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public void getHelpResource_returnsCorrectHelpResource() {
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ToggleScreenMagnificationPreferenceFragment fragment =
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mFragController.create(
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R.id.main_content, /* bundle= */ null).start().resume().get();
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assertThat(fragment.getHelpResource()).isEqualTo(R.string.help_url_magnification);
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}
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@Test
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public void onProcessArguments_defaultArgumentUnavailable_shouldSetDefaultArguments() {
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ToggleScreenMagnificationPreferenceFragment fragment =
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mFragController.create(
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R.id.main_content, /* bundle= */ null).start().resume().get();
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Bundle arguments = new Bundle();
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fragment.onProcessArguments(arguments);
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assertTrue(arguments.containsKey(AccessibilitySettings.EXTRA_PREFERENCE_KEY));
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assertTrue(arguments.containsKey(AccessibilitySettings.EXTRA_INTRO));
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assertTrue(arguments.containsKey(AccessibilitySettings.EXTRA_HTML_DESCRIPTION));
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}
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@Test
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public void getSummary_magnificationEnabled_returnShortcutOnWithSummary() {
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setMagnificationTripleTapEnabled(true);
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assertThat(
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ToggleScreenMagnificationPreferenceFragment.getServiceSummary(mContext).toString())
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.isEqualTo(
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mContext.getString(R.string.preference_summary_default_combination,
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mContext.getString(R.string.accessibility_summary_shortcut_enabled),
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mContext.getText(R.string.magnification_feature_summary)));
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}
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@Test
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public void getSummary_magnificationDisabled_returnShortcutOffWithSummary() {
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setMagnificationTripleTapEnabled(false);
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assertThat(
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ToggleScreenMagnificationPreferenceFragment.getServiceSummary(mContext).toString())
|
|
.isEqualTo(
|
|
mContext.getString(R.string.preference_summary_default_combination,
|
|
mContext.getString(
|
|
R.string.generic_accessibility_feature_shortcut_off),
|
|
mContext.getText(R.string.magnification_feature_summary)));
|
|
}
|
|
|
|
private void putStringIntoSettings(String key, String componentName) {
|
|
Settings.Secure.putString(mContext.getContentResolver(), key, componentName);
|
|
}
|
|
|
|
private void putUserShortcutTypeIntoSharedPreference(Context context,
|
|
PreferredShortcut shortcut) {
|
|
PreferredShortcuts.saveUserShortcutType(context, shortcut);
|
|
}
|
|
|
|
private void setMagnificationTripleTapEnabled(boolean enabled) {
|
|
Settings.Secure.putInt(mContext.getContentResolver(), TRIPLETAP_SHORTCUT_KEY,
|
|
enabled ? ON : OFF);
|
|
}
|
|
|
|
private void setKeyFollowTypingEnabled(boolean enabled) {
|
|
Settings.Secure.putInt(mContext.getContentResolver(), KEY_FOLLOW_TYPING,
|
|
enabled ? ON : OFF);
|
|
}
|
|
|
|
private String getStringFromSettings(String key) {
|
|
return Settings.Secure.getString(mContext.getContentResolver(), key);
|
|
}
|
|
|
|
private boolean getMagnificationTripleTapStatus() {
|
|
return Settings.Secure.getInt(mContext.getContentResolver(), TRIPLETAP_SHORTCUT_KEY, OFF)
|
|
== ON;
|
|
}
|
|
|
|
private void callEmptyOnClicked(DialogInterface dialog, int which) {
|
|
}
|
|
|
|
private void setWindowMagnificationSupported(boolean magnificationAreaSupported,
|
|
boolean windowMagnificationSupported) {
|
|
when(mSpyResources.getBoolean(
|
|
com.android.internal.R.bool.config_magnification_area))
|
|
.thenReturn(magnificationAreaSupported);
|
|
mShadowPackageManager.setSystemFeature(PackageManager.FEATURE_WINDOW_MAGNIFICATION,
|
|
windowMagnificationSupported);
|
|
}
|
|
|
|
private AlertDialog createEditShortcutDialog(Context context) {
|
|
context.setTheme(R.style.Theme_AppCompat);
|
|
return AccessibilityDialogUtils.showEditShortcutDialog(
|
|
context,
|
|
DialogType.EDIT_SHORTCUT_MAGNIFICATION, PLACEHOLDER_DIALOG_TITLE,
|
|
this::callEmptyOnClicked);
|
|
}
|
|
|
|
private Bundle createFragmentSavedInstanceState(int userShortcutType) {
|
|
final Bundle savedInstanceState = new Bundle();
|
|
savedInstanceState.putInt(KEY_SAVED_USER_SHORTCUT_TYPE, userShortcutType);
|
|
final Bundle fragmentState = new Bundle();
|
|
fragmentState.putBundle(
|
|
/* FragmentStateManager.SAVED_INSTANCE_STATE_KEY */ "savedInstanceState",
|
|
savedInstanceState);
|
|
return fragmentState;
|
|
}
|
|
|
|
/**
|
|
* A test fragment that provides a way to change the context
|
|
*/
|
|
public static class TestToggleScreenMagnificationPreferenceFragment
|
|
extends ToggleScreenMagnificationPreferenceFragment {
|
|
private Context mContext;
|
|
|
|
@Override
|
|
public Context getContext() {
|
|
return this.mContext != null ? this.mContext : super.getContext();
|
|
}
|
|
|
|
/**
|
|
* Sets the spy context used for RoboTest in order to change the value of
|
|
* com.android.internal.R.bool.config_magnification_area
|
|
*/
|
|
public void setContext(Context context) {
|
|
this.mContext = context;
|
|
}
|
|
}
|
|
}
|