| /* |
| * 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 androidx.room.integration.testapp.test; |
| |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import android.support.test.filters.MediumTest; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import androidx.arch.core.executor.ArchTaskExecutor; |
| import androidx.arch.core.executor.TaskExecutor; |
| import androidx.room.EmptyResultSetException; |
| import androidx.room.integration.testapp.vo.Pet; |
| import androidx.room.integration.testapp.vo.User; |
| import androidx.room.integration.testapp.vo.UserAndAllPets; |
| |
| 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.Flowable; |
| import io.reactivex.Maybe; |
| import io.reactivex.Single; |
| import io.reactivex.disposables.Disposable; |
| import io.reactivex.functions.Predicate; |
| 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(); |
| ArchTaskExecutor.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(); |
| ArchTaskExecutor.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 maybeUsers_keepMaybeReference() throws InterruptedException { |
| User[] users = TestUtil.createUsersArray(1, 2); |
| mUserDao.insertAll(users); |
| TestObserver<User> testObserver1 = new TestObserver<>(); |
| Maybe<User> maybe1 = mUserDao.maybeUserById(1); |
| Disposable disposable1 = maybe1.observeOn(mTestScheduler) |
| .subscribeWith(testObserver1); |
| drain(); |
| testObserver1.assertComplete(); |
| // since this is a clean db, it is ok to rely on the order for the test. |
| testObserver1.assertValue(users[0]); |
| |
| TestObserver<User> testObserver2 = new TestObserver<>(); |
| Maybe<User> maybe2 = mUserDao.maybeUserById(2); |
| Disposable disposable2 = maybe2.observeOn(mTestScheduler) |
| .subscribeWith(testObserver2); |
| drain(); |
| testObserver2.assertComplete(); |
| // since this is a clean db, it is ok to rely on the order for the test. |
| testObserver2.assertValue(users[1]); |
| |
| TestObserver<User> testObserver3 = new TestObserver<>(); |
| |
| Disposable disposable3 = maybe1.observeOn(mTestScheduler) |
| .subscribeWith(testObserver3); |
| drain(); |
| testObserver3.assertComplete(); |
| // since this is a clean db, it is ok to rely on the order for the test. |
| testObserver3.assertValue(users[0]); |
| |
| disposable1.dispose(); |
| disposable2.dispose(); |
| disposable3.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 singleUser_keepSingleReference() throws InterruptedException { |
| User[] users = TestUtil.createUsersArray(1, 2); |
| mUserDao.insertAll(users); |
| TestObserver<User> testObserver1 = new TestObserver<>(); |
| Single<User> userSingle1 = mUserDao.singleUserById(1); |
| Disposable disposable1 = userSingle1.observeOn(mTestScheduler) |
| .subscribeWith(testObserver1); |
| drain(); |
| testObserver1.assertComplete(); |
| testObserver1.assertValue(users[0]); |
| disposable1.dispose(); |
| |
| // how get single for 2 |
| TestObserver<User> testObserver2 = new TestObserver<>(); |
| Single<User> userSingle2 = mUserDao.singleUserById(2); |
| Disposable disposable2 = userSingle2.observeOn(mTestScheduler) |
| .subscribeWith(testObserver2); |
| drain(); |
| testObserver2.assertComplete(); |
| testObserver2.assertValue(users[1]); |
| disposable2.dispose(); |
| |
| // now re-use the first single |
| TestObserver<User> testObserver3 = new TestObserver<>(); |
| Disposable disposable3 = userSingle1.observeOn(mTestScheduler) |
| .subscribeWith(testObserver3); |
| drain(); |
| testObserver3.assertComplete(); |
| testObserver3.assertValue(users[0]); |
| disposable3.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 observeFlowable_keepReference() throws InterruptedException { |
| User[] users = TestUtil.createUsersArray(1, 2); |
| mUserDao.insertAll(users); |
| drain(); |
| |
| TestSubscriber<User> consumer1 = new TestSubscriber<>(); |
| Flowable<User> flowable1 = mUserDao.flowableUserById(1); |
| Disposable disposable1 = flowable1.subscribeWith(consumer1); |
| drain(); |
| consumer1.assertValue(users[0]); |
| |
| TestSubscriber<User> consumer2 = new TestSubscriber<>(); |
| Disposable disposable2 = mUserDao.flowableUserById(2).subscribeWith(consumer2); |
| drain(); |
| consumer2.assertValue(users[1]); |
| |
| TestSubscriber<User> consumer3 = new TestSubscriber<>(); |
| Disposable disposable3 = flowable1.subscribeWith(consumer3); |
| drain(); |
| consumer3.assertValue(users[0]); |
| |
| disposable1.dispose(); |
| disposable2.dispose(); |
| disposable3.dispose(); |
| } |
| |
| @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(); |
| } |
| |
| @Test |
| public void flowableWithRelation() throws InterruptedException { |
| final TestSubscriber<UserAndAllPets> subscriber = new TestSubscriber<>(); |
| |
| mUserPetDao.flowableUserWithPets(3).subscribe(subscriber); |
| drain(); |
| subscriber.assertSubscribed(); |
| |
| drain(); |
| subscriber.assertNoValues(); |
| |
| final User user = TestUtil.createUser(3); |
| mUserDao.insert(user); |
| drain(); |
| subscriber.assertValue(new Predicate<UserAndAllPets>() { |
| @Override |
| public boolean test(UserAndAllPets userAndAllPets) throws Exception { |
| return userAndAllPets.user.equals(user); |
| } |
| }); |
| subscriber.assertValueCount(1); |
| final Pet[] pets = TestUtil.createPetsForUser(3, 1, 2); |
| mPetDao.insertAll(pets); |
| drain(); |
| subscriber.assertValueAt(1, new Predicate<UserAndAllPets>() { |
| @Override |
| public boolean test(UserAndAllPets userAndAllPets) throws Exception { |
| return userAndAllPets.user.equals(user) |
| && userAndAllPets.pets.equals(Arrays.asList(pets)); |
| } |
| }); |
| } |
| |
| @Test |
| public void flowable_updateInTransaction() throws InterruptedException { |
| // When subscribing to the emissions of the user |
| final TestSubscriber<User> userTestSubscriber = mUserDao |
| .flowableUserById(3) |
| .observeOn(mTestScheduler) |
| .test(); |
| drain(); |
| userTestSubscriber.assertValueCount(0); |
| |
| // When inserting a new user in the data source |
| mDatabase.beginTransaction(); |
| try { |
| mUserDao.insert(TestUtil.createUser(3)); |
| mDatabase.setTransactionSuccessful(); |
| |
| } finally { |
| mDatabase.endTransaction(); |
| } |
| drain(); |
| userTestSubscriber.assertValueCount(1); |
| } |
| } |