| /* |
| * 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.development; |
| |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.app.IActivityManager; |
| import android.content.Context; |
| import android.os.RemoteException; |
| import androidx.preference.ListPreference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.testutils.SettingsRobolectricTestRunner; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.robolectric.RuntimeEnvironment; |
| |
| @RunWith(SettingsRobolectricTestRunner.class) |
| public class BackgroundProcessLimitPreferenceControllerTest { |
| |
| @Mock |
| private IActivityManager mActivityManager; |
| @Mock |
| private ListPreference mPreference; |
| @Mock |
| private PreferenceScreen mScreen; |
| |
| /** |
| * 0: Standard limit |
| * 1: No Background processes |
| * 2: At most 1 process |
| * 3: At most 2 processes |
| * 4: At most 3 processes |
| * 5: At most 4 processes |
| */ |
| private String[] mListValues; |
| private String[] mListSummaries; |
| private Context mContext; |
| private BackgroundProcessLimitPreferenceController mController; |
| |
| @Before |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| mContext = RuntimeEnvironment.application; |
| mListValues = mContext.getResources().getStringArray(R.array.app_process_limit_values); |
| mListSummaries = mContext.getResources().getStringArray(R.array.app_process_limit_entries); |
| mController = spy(new BackgroundProcessLimitPreferenceController(mContext)); |
| doReturn(mActivityManager).when(mController).getActivityManagerService(); |
| when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference); |
| mController.displayPreference(mScreen); |
| } |
| |
| @Test |
| public void onPreferenceChange_noBackgroundProcessSet_shouldSetToNoBackgroundProcess() |
| throws RemoteException { |
| mController.onPreferenceChange(mPreference, mListValues[1]); |
| |
| verify(mActivityManager).setProcessLimit(Integer.valueOf(mListValues[1])); |
| } |
| |
| @Test |
| public void onPreferenceChange_1ProcessSet_shouldSetTo1BackgroundProcess() |
| throws RemoteException { |
| mController.onPreferenceChange(mPreference, mListValues[2]); |
| |
| verify(mActivityManager).setProcessLimit(Integer.valueOf(mListValues[2])); |
| } |
| |
| @Test |
| public void updateState_noBackgroundProcessSet_shouldSetPreferenceToNoBackgroundProcess() |
| throws RemoteException { |
| when(mActivityManager.getProcessLimit()).thenReturn(Integer.valueOf(mListValues[1])); |
| |
| mController.updateState(mPreference); |
| |
| verify(mPreference).setValue(mListValues[1]); |
| verify(mPreference).setSummary(mListSummaries[1]); |
| } |
| |
| @Test |
| public void updateState_1ProcessSet_shouldSetPreference1BackgroundProcess() |
| throws RemoteException { |
| when(mActivityManager.getProcessLimit()).thenReturn(Integer.valueOf(mListValues[2])); |
| |
| mController.updateState(mPreference); |
| |
| verify(mPreference).setValue(mListValues[2]); |
| verify(mPreference).setSummary(mListSummaries[2]); |
| } |
| |
| @Test |
| public void updateState_veryHighLimit_shouldDefaultToStandardLimit() throws RemoteException { |
| when(mActivityManager.getProcessLimit()).thenReturn(Integer.MAX_VALUE); |
| |
| mController.updateState(mPreference); |
| |
| verify(mPreference).setValue(mListValues[0]); |
| verify(mPreference).setSummary(mListSummaries[0]); |
| } |
| |
| @Test |
| public void onDeveloperOptionsSwitchDisabled_shouldDisableAndResetPreference() |
| throws RemoteException { |
| mController.onDeveloperOptionsSwitchDisabled(); |
| |
| verify(mPreference).setEnabled(false); |
| verify(mActivityManager).setProcessLimit(-1); |
| } |
| } |