1 /* 2 * Copyright (C) 2017 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 17 package com.android.settings.development.featureflags; 18 19 import static android.arch.lifecycle.Lifecycle.Event.ON_START; 20 import static com.google.common.truth.Truth.assertThat; 21 import static org.mockito.Matchers.any; 22 import static org.mockito.Mockito.atLeastOnce; 23 import static org.mockito.Mockito.verify; 24 import static org.mockito.Mockito.when; 25 26 import android.arch.lifecycle.LifecycleOwner; 27 import android.content.Context; 28 import android.support.v7.preference.PreferenceScreen; 29 30 import com.android.settings.testutils.SettingsRobolectricTestRunner; 31 import com.android.settingslib.core.lifecycle.Lifecycle; 32 33 import org.junit.Before; 34 import org.junit.Test; 35 import org.junit.runner.RunWith; 36 import org.mockito.Mock; 37 import org.mockito.MockitoAnnotations; 38 import org.robolectric.RuntimeEnvironment; 39 40 @RunWith(SettingsRobolectricTestRunner.class) 41 public class FeatureFlagPreferenceControllerTest { 42 43 @Mock 44 private PreferenceScreen mScreen; 45 private Context mContext; 46 private LifecycleOwner mLifecycleOwner; 47 private Lifecycle mLifecycle; 48 private FeatureFlagsPreferenceController mController; 49 50 @Before 51 public void setUp() { 52 MockitoAnnotations.initMocks(this); 53 mContext = RuntimeEnvironment.application; 54 mLifecycleOwner = () -> mLifecycle; 55 mLifecycle = new Lifecycle(mLifecycleOwner); 56 mController = new FeatureFlagsPreferenceController(mContext, mLifecycle); 57 when(mScreen.getContext()).thenReturn(mContext); 58 mController.displayPreference(mScreen); 59 } 60 61 @Test 62 public void verifyConstants() { 63 assertThat(mController.isAvailable()).isTrue(); 64 assertThat(mController.getPreferenceKey()).isNull(); 65 } 66 67 @Test 68 public void onStart_shouldRefreshFeatureFlags() { 69 mLifecycle.handleLifecycleEvent(ON_START); 70 71 verify(mScreen).removeAll(); 72 verify(mScreen, atLeastOnce()).addPreference(any(FeatureFlagPreference.class)); 73 } 74 } 75
