| /* |
| * 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.arch.persistence.room.integration.testapp.test; |
| |
| import static org.hamcrest.CoreMatchers.hasItem; |
| import static org.hamcrest.CoreMatchers.nullValue; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.collection.IsCollectionWithSize.hasSize; |
| |
| import android.arch.core.executor.testing.CountingTaskExecutorRule; |
| import android.arch.persistence.room.InvalidationTracker; |
| import android.arch.persistence.room.Room; |
| import android.arch.persistence.room.integration.testapp.TestDatabase; |
| import android.arch.persistence.room.integration.testapp.dao.UserDao; |
| import android.arch.persistence.room.integration.testapp.vo.User; |
| import android.content.Context; |
| import android.support.annotation.NonNull; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Set; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * Tests invalidation tracking. |
| */ |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class InvalidationTest { |
| @Rule |
| public CountingTaskExecutorRule executorRule = new CountingTaskExecutorRule(); |
| private UserDao mUserDao; |
| private TestDatabase mDb; |
| |
| @Before |
| public void createDb() throws TimeoutException, InterruptedException { |
| Context context = InstrumentationRegistry.getTargetContext(); |
| mDb = Room.inMemoryDatabaseBuilder(context, TestDatabase.class).build(); |
| mUserDao = mDb.getUserDao(); |
| drain(); |
| } |
| |
| @After |
| public void closeDb() throws TimeoutException, InterruptedException { |
| mDb.close(); |
| drain(); |
| } |
| |
| private void drain() throws TimeoutException, InterruptedException { |
| executorRule.drainTasks(1, TimeUnit.MINUTES); |
| } |
| |
| @Test |
| public void testInvalidationOnUpdate() throws InterruptedException, TimeoutException { |
| User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| LoggingObserver observer = new LoggingObserver("User"); |
| mDb.getInvalidationTracker().addObserver(observer); |
| drain(); |
| mUserDao.updateById(3, "foo2"); |
| drain(); |
| assertThat(observer.getInvalidatedTables(), hasSize(1)); |
| assertThat(observer.getInvalidatedTables(), hasItem("User")); |
| } |
| |
| @Test |
| public void testInvalidationOnDelete() throws InterruptedException, TimeoutException { |
| User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| LoggingObserver observer = new LoggingObserver("User"); |
| mDb.getInvalidationTracker().addObserver(observer); |
| drain(); |
| mUserDao.delete(user); |
| drain(); |
| assertThat(observer.getInvalidatedTables(), hasSize(1)); |
| assertThat(observer.getInvalidatedTables(), hasItem("User")); |
| } |
| |
| @Test |
| public void testInvalidationOnInsert() throws InterruptedException, TimeoutException { |
| LoggingObserver observer = new LoggingObserver("User"); |
| mDb.getInvalidationTracker().addObserver(observer); |
| drain(); |
| mUserDao.insert(TestUtil.createUser(3)); |
| drain(); |
| assertThat(observer.getInvalidatedTables(), hasSize(1)); |
| assertThat(observer.getInvalidatedTables(), hasItem("User")); |
| } |
| |
| @Test |
| public void testDontInvalidateOnLateInsert() throws InterruptedException, TimeoutException { |
| LoggingObserver observer = new LoggingObserver("User"); |
| mUserDao.insert(TestUtil.createUser(3)); |
| drain(); |
| mDb.getInvalidationTracker().addObserver(observer); |
| drain(); |
| assertThat(observer.getInvalidatedTables(), nullValue()); |
| } |
| |
| @Test |
| public void testMultipleTables() throws InterruptedException, TimeoutException { |
| LoggingObserver observer = new LoggingObserver("User", "Pet"); |
| mDb.getInvalidationTracker().addObserver(observer); |
| drain(); |
| mUserDao.insert(TestUtil.createUser(3)); |
| drain(); |
| assertThat(observer.getInvalidatedTables(), hasSize(1)); |
| assertThat(observer.getInvalidatedTables(), hasItem("User")); |
| } |
| |
| private static class LoggingObserver extends InvalidationTracker.Observer { |
| private Set<String> mInvalidatedTables; |
| |
| LoggingObserver(String... tables) { |
| super(tables); |
| } |
| |
| @Override |
| public void onInvalidated(@NonNull Set<String> tables) { |
| mInvalidatedTables = tables; |
| } |
| |
| Set<String> getInvalidatedTables() { |
| return mInvalidatedTables; |
| } |
| } |
| } |