| /* |
| * Copyright (C) 2023 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.server.flags; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.eq; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.flags.IFeatureFlagsCallback; |
| import android.flags.SyncableFlag; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.platform.test.annotations.Presubmit; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.mockito.Mock; |
| import org.mockito.junit.MockitoJUnit; |
| import org.mockito.junit.MockitoRule; |
| |
| import java.util.List; |
| |
| @Presubmit |
| @SmallTest |
| public class FeatureFlagsServiceTest { |
| private static final String NS = "ns"; |
| private static final String NAME = "name"; |
| private static final String PROP_NAME = FlagOverrideStore.getPropName(NS, NAME); |
| |
| @Rule |
| public final MockitoRule mockito = MockitoJUnit.rule(); |
| |
| @Mock |
| private FlagOverrideStore mFlagStore; |
| @Mock |
| private FlagsShellCommand mFlagCommand; |
| @Mock |
| private IFeatureFlagsCallback mIFeatureFlagsCallback; |
| @Mock |
| private IBinder mIFeatureFlagsCallbackAsBinder; |
| |
| private FeatureFlagsBinder mFeatureFlagsService; |
| |
| @Before |
| public void setup() { |
| when(mIFeatureFlagsCallback.asBinder()).thenReturn(mIFeatureFlagsCallbackAsBinder); |
| mFeatureFlagsService = new FeatureFlagsBinder(mFlagStore, mFlagCommand); |
| } |
| |
| @Test |
| public void testRegisterCallback() { |
| mFeatureFlagsService.registerCallback(mIFeatureFlagsCallback); |
| try { |
| verify(mIFeatureFlagsCallbackAsBinder).linkToDeath(any(), eq(0)); |
| } catch (RemoteException e) { |
| fail("Our mock threw a Remote Exception?"); |
| } |
| } |
| |
| @Test |
| public void testSyncFlags_noOverrides() { |
| List<SyncableFlag> inputFlags = List.of( |
| new SyncableFlag(NS, "a", "false", false), |
| new SyncableFlag(NS, "b", "true", false), |
| new SyncableFlag(NS, "c", "false", false) |
| ); |
| |
| List<SyncableFlag> outputFlags = mFeatureFlagsService.syncFlags(inputFlags); |
| |
| assertThat(inputFlags.size()).isEqualTo(outputFlags.size()); |
| |
| for (SyncableFlag inpF: inputFlags) { |
| boolean found = false; |
| for (SyncableFlag outF : outputFlags) { |
| if (compareSyncableFlagsNames(inpF, outF)) { |
| found = true; |
| break; |
| } |
| } |
| assertWithMessage("Failed to find input flag " + inpF + " in the output") |
| .that(found).isTrue(); |
| } |
| } |
| |
| @Test |
| public void testSyncFlags_withSomeOverrides() { |
| List<SyncableFlag> inputFlags = List.of( |
| new SyncableFlag(NS, "a", "false", false), |
| new SyncableFlag(NS, "b", "true", false), |
| new SyncableFlag(NS, "c", "false", false) |
| ); |
| |
| assertThat(mFlagStore).isNotNull(); |
| when(mFlagStore.get(NS, "c")).thenReturn("true"); |
| List<SyncableFlag> outputFlags = mFeatureFlagsService.syncFlags(inputFlags); |
| |
| assertThat(inputFlags.size()).isEqualTo(outputFlags.size()); |
| |
| for (SyncableFlag inpF: inputFlags) { |
| boolean found = false; |
| for (SyncableFlag outF : outputFlags) { |
| if (compareSyncableFlagsNames(inpF, outF)) { |
| found = true; |
| |
| // Once we've found "c", do an extra check |
| if (outF.getName().equals("c")) { |
| assertWithMessage("Flag " + outF + "was not returned with an override") |
| .that(outF.getValue()).isEqualTo("true"); |
| } |
| break; |
| } |
| } |
| assertWithMessage("Failed to find input flag " + inpF + " in the output") |
| .that(found).isTrue(); |
| } |
| } |
| |
| |
| @Test |
| public void testSyncFlags_twoCallsWithDifferentDefaults() { |
| List<SyncableFlag> inputFlagsFirst = List.of( |
| new SyncableFlag(NS, "a", "false", false) |
| ); |
| List<SyncableFlag> inputFlagsSecond = List.of( |
| new SyncableFlag(NS, "a", "true", false), |
| new SyncableFlag(NS, "b", "false", false) |
| ); |
| |
| List<SyncableFlag> outputFlagsFirst = mFeatureFlagsService.syncFlags(inputFlagsFirst); |
| List<SyncableFlag> outputFlagsSecond = mFeatureFlagsService.syncFlags(inputFlagsSecond); |
| |
| assertThat(inputFlagsFirst.size()).isEqualTo(outputFlagsFirst.size()); |
| assertThat(inputFlagsSecond.size()).isEqualTo(outputFlagsSecond.size()); |
| |
| // This test only cares that the "a" flag passed in the second time came out with the |
| // same value that was passed in the first time. |
| |
| boolean found = false; |
| for (SyncableFlag second : outputFlagsSecond) { |
| if (compareSyncableFlagsNames(second, inputFlagsFirst.get(0))) { |
| found = true; |
| assertThat(second.getValue()).isEqualTo(inputFlagsFirst.get(0).getValue()); |
| break; |
| } |
| } |
| |
| assertWithMessage( |
| "Failed to find flag " + inputFlagsFirst.get(0) + " in the second calls output") |
| .that(found).isTrue(); |
| } |
| |
| private static boolean compareSyncableFlagsNames(SyncableFlag a, SyncableFlag b) { |
| return a.getNamespace().equals(b.getNamespace()) |
| && a.getName().equals(b.getName()) |
| && a.isDynamic() == b.isDynamic(); |
| } |
| } |