| /* |
| * 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.is; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import android.arch.core.executor.AppToolkitTaskExecutor; |
| import android.arch.core.executor.TaskExecutor; |
| import android.arch.persistence.room.EmptyResultSetException; |
| import android.arch.persistence.room.integration.testapp.vo.User; |
| import android.support.test.filters.MediumTest; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import io.reactivex.disposables.Disposable; |
| import io.reactivex.observers.TestObserver; |
| import io.reactivex.schedulers.TestScheduler; |
| import io.reactivex.subscribers.TestSubscriber; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class RxJava2Test extends TestDatabaseTest { |
| |
| private TestScheduler mTestScheduler; |
| |
| @Before |
| public void setupSchedulers() { |
| mTestScheduler = new TestScheduler(); |
| mTestScheduler.start(); |
| AppToolkitTaskExecutor.getInstance().setDelegate(new TaskExecutor() { |
| @Override |
| public void executeOnDiskIO(Runnable runnable) { |
| mTestScheduler.scheduleDirect(runnable); |
| } |
| |
| @Override |
| public void postToMainThread(Runnable runnable) { |
| Assert.fail("no main thread in this test"); |
| } |
| |
| @Override |
| public boolean isMainThread() { |
| return false; |
| } |
| }); |
| } |
| |
| @After |
| public void clearSchedulers() { |
| mTestScheduler.shutdown(); |
| AppToolkitTaskExecutor.getInstance().setDelegate(null); |
| } |
| |
| private void drain() throws InterruptedException { |
| mTestScheduler.triggerActions(); |
| } |
| |
| @Test |
| public void maybeUser_Empty() throws InterruptedException { |
| TestObserver<User> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.maybeUserById(3).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| testObserver.assertComplete(); |
| testObserver.assertNoValues(); |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void maybeUser_WithData() throws InterruptedException { |
| User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| TestObserver<User> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.maybeUserById(3).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| testObserver.assertComplete(); |
| testObserver.assertValue(user); |
| |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void maybeUsers_EmptyList() throws InterruptedException { |
| TestObserver<List<User>> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.maybeUsersByIds(3, 5, 7).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| testObserver.assertComplete(); |
| testObserver.assertValue(Collections.<User>emptyList()); |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void maybeUsers_WithValue() throws InterruptedException { |
| User[] users = TestUtil.createUsersArray(3, 5); |
| mUserDao.insertAll(users); |
| TestObserver<List<User>> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.maybeUsersByIds(3, 5, 7).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| testObserver.assertComplete(); |
| // since this is a clean db, it is ok to rely on the order for the test. |
| testObserver.assertValue(Arrays.asList(users)); |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void singleUser_Empty() throws InterruptedException { |
| TestObserver<User> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.singleUserById(3).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| // figure out which error we should dispatch |
| testObserver.assertError(EmptyResultSetException.class); |
| testObserver.assertNoValues(); |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void singleUser_WithData() throws InterruptedException { |
| User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| TestObserver<User> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.singleUserById(3).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| testObserver.assertComplete(); |
| testObserver.assertValue(user); |
| |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void singleUsers_EmptyList() throws InterruptedException { |
| TestObserver<List<User>> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.singleUsersByIds(3, 5, 7).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| testObserver.assertComplete(); |
| testObserver.assertValue(Collections.<User>emptyList()); |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void singleUsers_WithValue() throws InterruptedException { |
| User[] users = TestUtil.createUsersArray(3, 5); |
| mUserDao.insertAll(users); |
| TestObserver<List<User>> testObserver = new TestObserver<>(); |
| Disposable disposable = mUserDao.singleUsersByIds(3, 5, 7).observeOn(mTestScheduler) |
| .subscribeWith(testObserver); |
| drain(); |
| testObserver.assertComplete(); |
| // since this is a clean db, it is ok to rely on the order for the test. |
| testObserver.assertValue(Arrays.asList(users)); |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void observeOnce() throws InterruptedException { |
| User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| drain(); |
| TestSubscriber<User> consumer = new TestSubscriber<>(); |
| Disposable disposable = mUserDao.flowableUserById(3).subscribeWith(consumer); |
| drain(); |
| consumer.assertValue(user); |
| disposable.dispose(); |
| } |
| |
| @Test |
| public void observeChangeAndDispose() throws InterruptedException { |
| User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| drain(); |
| TestSubscriber<User> consumer = new TestSubscriber<>(); |
| Disposable disposable = mUserDao.flowableUserById(3).observeOn(mTestScheduler) |
| .subscribeWith(consumer); |
| drain(); |
| assertThat(consumer.values().get(0), is(user)); |
| user.setName("rxy"); |
| mUserDao.insertOrReplace(user); |
| drain(); |
| User next = consumer.values().get(1); |
| assertThat(next, is(user)); |
| disposable.dispose(); |
| user.setName("foo"); |
| mUserDao.insertOrReplace(user); |
| drain(); |
| assertThat(consumer.valueCount(), is(2)); |
| } |
| |
| @Test |
| @MediumTest |
| public void observeEmpty() throws InterruptedException { |
| TestSubscriber<User> consumer = new TestSubscriber<>(); |
| Disposable disposable = mUserDao.flowableUserById(3).observeOn(mTestScheduler) |
| .subscribeWith(consumer); |
| drain(); |
| consumer.assertNoValues(); |
| User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| drain(); |
| assertThat(consumer.values().get(0), is(user)); |
| disposable.dispose(); |
| user.setAge(88); |
| mUserDao.insertOrReplace(user); |
| drain(); |
| assertThat(consumer.valueCount(), is(1)); |
| } |
| |
| @Test |
| public void flowableCountUsers() throws InterruptedException { |
| TestSubscriber<Integer> consumer = new TestSubscriber<>(); |
| mUserDao.flowableCountUsers() |
| .observeOn(mTestScheduler) |
| .subscribe(consumer); |
| drain(); |
| assertThat(consumer.values().get(0), is(0)); |
| mUserDao.insertAll(TestUtil.createUsersArray(1, 3, 4, 6)); |
| drain(); |
| assertThat(consumer.values().get(1), is(4)); |
| mUserDao.deleteByUids(3, 7); |
| drain(); |
| assertThat(consumer.values().get(2), is(3)); |
| mUserDao.deleteByUids(101); |
| drain(); |
| assertThat(consumer.valueCount(), is(3)); |
| } |
| |
| @Test |
| @MediumTest |
| public void publisherCountUsers() throws InterruptedException { |
| TestSubscriber<Integer> subscriber = new TestSubscriber<>(); |
| mUserDao.publisherCountUsers().subscribe(subscriber); |
| drain(); |
| subscriber.assertSubscribed(); |
| subscriber.request(2); |
| drain(); |
| subscriber.assertValue(0); |
| mUserDao.insert(TestUtil.createUser(2)); |
| drain(); |
| subscriber.assertValues(0, 1); |
| subscriber.cancel(); |
| subscriber.assertNoErrors(); |
| } |
| } |