| /* |
| * 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 android.util; |
| |
| import static junit.framework.Assert.assertEquals; |
| import static junit.framework.Assert.assertFalse; |
| import static junit.framework.Assert.assertNotNull; |
| import static junit.framework.Assert.assertTrue; |
| |
| import android.content.Context; |
| import android.os.SystemProperties; |
| import android.provider.Settings; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class FeatureFlagUtilsTest { |
| |
| private static final String TEST_FEATURE_NAME = "feature_foobar"; |
| |
| private Context mContext; |
| |
| @Before |
| public void setUp() { |
| mContext = InstrumentationRegistry.getTargetContext(); |
| cleanup(); |
| } |
| |
| @After |
| public void tearDown() { |
| cleanup(); |
| } |
| |
| private void cleanup() { |
| Settings.Global.putString(mContext.getContentResolver(), TEST_FEATURE_NAME, ""); |
| SystemProperties.set(FeatureFlagUtils.FFLAG_PREFIX + TEST_FEATURE_NAME, ""); |
| SystemProperties.set(FeatureFlagUtils.FFLAG_OVERRIDE_PREFIX + TEST_FEATURE_NAME, ""); |
| } |
| |
| @Test |
| public void testGetFlag_enabled_shouldReturnTrue() { |
| FeatureFlagUtils.getAllFeatureFlags().put(TEST_FEATURE_NAME, "true"); |
| |
| assertTrue(FeatureFlagUtils.isEnabled(mContext, TEST_FEATURE_NAME)); |
| } |
| |
| @Test |
| public void testGetFlag_adb_override_shouldReturnTrue() { |
| SystemProperties.set(FeatureFlagUtils.FFLAG_PREFIX + TEST_FEATURE_NAME, "false"); |
| SystemProperties.set(FeatureFlagUtils.FFLAG_OVERRIDE_PREFIX + TEST_FEATURE_NAME, "true"); |
| |
| assertTrue(FeatureFlagUtils.isEnabled(mContext, TEST_FEATURE_NAME)); |
| } |
| |
| @Test |
| public void testGetFlag_settings_override_shouldReturnTrue() { |
| SystemProperties.set(FeatureFlagUtils.FFLAG_PREFIX + TEST_FEATURE_NAME, "false"); |
| SystemProperties.set(FeatureFlagUtils.FFLAG_OVERRIDE_PREFIX + TEST_FEATURE_NAME, "false"); |
| |
| Settings.Global.putString(mContext.getContentResolver(), TEST_FEATURE_NAME, "true"); |
| |
| assertTrue(FeatureFlagUtils.isEnabled(mContext, TEST_FEATURE_NAME)); |
| } |
| |
| @Test |
| public void testSetEnabled_shouldSetOverrideFlag() { |
| assertFalse(FeatureFlagUtils.isEnabled(mContext, TEST_FEATURE_NAME)); |
| |
| FeatureFlagUtils.setEnabled(null /* context */, TEST_FEATURE_NAME, true); |
| |
| assertEquals(SystemProperties.get(FeatureFlagUtils.FFLAG_PREFIX + TEST_FEATURE_NAME, null), |
| ""); |
| assertTrue(Boolean.parseBoolean(SystemProperties.get( |
| FeatureFlagUtils.FFLAG_OVERRIDE_PREFIX + TEST_FEATURE_NAME, ""))); |
| } |
| |
| @Test |
| public void testGetFlag_notSet_shouldReturnFalse() { |
| assertFalse(FeatureFlagUtils.isEnabled(mContext, TEST_FEATURE_NAME + "does_not_exist")); |
| } |
| |
| @Test |
| public void getAllFeatureFlags_shouldNotBeNull() { |
| assertNotNull(FeatureFlagUtils.getAllFeatureFlags()); |
| } |
| } |