| /* |
| * Copyright (C) 2017 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.android.settings.core; |
| |
| import android.content.Context; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceScreen; |
| |
| import com.android.settings.testutils.SettingsRobolectricTestRunner; |
| import com.android.settings.TestConfig; |
| import com.android.settings.core.lifecycle.Lifecycle; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.robolectric.annotation.Config; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.reset; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| /** |
| * Tests for {@link DynamicAvailabilityPreferenceController}. |
| */ |
| @RunWith(SettingsRobolectricTestRunner.class) |
| @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION) |
| public final class DynamicAvailabilityPreferenceControllerTest { |
| |
| private final String PREFERENCE_KEY = "preference_key"; |
| |
| private @Mock Context mContext; |
| private @Mock Preference mPreference; |
| private @Mock PreferenceScreen mScreen; |
| private @Mock Lifecycle mLifecycle; |
| private @Mock PreferenceAvailabilityObserver mObserver; |
| |
| private boolean mIsAvailable; |
| private Preference mUpdatedPreference = null; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| when(mPreference.getKey()).thenReturn(PREFERENCE_KEY); |
| when(mScreen.findPreference(PREFERENCE_KEY)).thenReturn(mPreference); |
| when(mScreen.getPreferenceCount()).thenReturn(1); |
| when(mScreen.getPreference(0)).thenReturn(mPreference); |
| } |
| |
| @Test |
| public void testAvailableToUnavailable() { |
| mIsAvailable = true; |
| |
| final DynamicAvailabilityPreferenceController controller |
| = new DynamicAvailabilityPreferenceControllerTestable(mLifecycle); |
| verify(mLifecycle).addObserver(controller); |
| |
| controller.displayPreference(mScreen); |
| verify(mScreen, never()).removePreference(mPreference); |
| verify(mScreen, never()).addPreference(mPreference); |
| assertThat(mUpdatedPreference).isNull(); |
| |
| controller.onResume(); |
| verify(mScreen, never()).removePreference(mPreference); |
| verify(mScreen, never()).addPreference(mPreference); |
| assertThat(mUpdatedPreference).isEqualTo(mPreference); |
| |
| mUpdatedPreference = null; |
| mIsAvailable = false; |
| controller.onResume(); |
| verify(mScreen).removePreference(mPreference); |
| verify(mScreen, never()).addPreference(mPreference); |
| assertThat(mUpdatedPreference).isNull(); |
| } |
| |
| @Test |
| public void testUnavailableToAvailable() { |
| mIsAvailable = false; |
| |
| final DynamicAvailabilityPreferenceController controller |
| = new DynamicAvailabilityPreferenceControllerTestable(mLifecycle); |
| verify(mLifecycle).addObserver(controller); |
| |
| controller.displayPreference(mScreen); |
| verify(mScreen).removePreference(mPreference); |
| verify(mScreen, never()).addPreference(mPreference); |
| assertThat(mUpdatedPreference).isNull(); |
| |
| reset(mScreen); |
| controller.onResume(); |
| verify(mScreen, never()).removePreference(mPreference); |
| verify(mScreen, never()).addPreference(mPreference); |
| assertThat(mUpdatedPreference).isNull(); |
| |
| mIsAvailable = true; |
| controller.onResume(); |
| verify(mScreen, never()).removePreference(mPreference); |
| verify(mScreen).addPreference(mPreference); |
| assertThat(mUpdatedPreference).isEqualTo(mPreference); |
| } |
| |
| @Test |
| public void testNotifyOnAvailabilityUpdate() { |
| final DynamicAvailabilityPreferenceController controller |
| = new DynamicAvailabilityPreferenceControllerTestable(mLifecycle); |
| controller.setAvailabilityObserver(mObserver); |
| assertThat(controller.getAvailabilityObserver()).isEqualTo(mObserver); |
| |
| mIsAvailable = false; |
| controller.isAvailable(); |
| verify(mObserver).onPreferenceAvailabilityUpdated(PREFERENCE_KEY, false); |
| |
| mIsAvailable = true; |
| controller.isAvailable(); |
| verify(mObserver).onPreferenceAvailabilityUpdated(PREFERENCE_KEY, true); |
| } |
| |
| private class DynamicAvailabilityPreferenceControllerTestable |
| extends DynamicAvailabilityPreferenceController { |
| public DynamicAvailabilityPreferenceControllerTestable(Lifecycle lifecycle) { |
| super(DynamicAvailabilityPreferenceControllerTest.this.mContext, lifecycle); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| notifyOnAvailabilityUpdate(mIsAvailable); |
| return mIsAvailable; |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| mUpdatedPreference = preference; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return PREFERENCE_KEY; |
| } |
| } |
| } |