/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.streams.gplus.providers;
import org.apache.streams.core.StreamsDatum;
import org.apache.streams.google.gplus.configuration.UserInfo;
import org.apache.streams.gplus.provider.GPlusUserDataCollector;
import org.apache.streams.util.api.requests.backoff.BackOffStrategy;
import org.apache.streams.util.api.requests.backoff.impl.ConstantTimeBackOffStrategy;
import com.google.api.client.googleapis.json.GoogleJsonResponseException;
import com.google.api.services.plus.Plus;
import com.google.api.services.plus.model.Person;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import java.io.IOException;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* Basic Units for {@link org.apache.streams.gplus.provider.GPlusUserDataCollector}.
*/
public class TestGPlusUserDataCollector {
private static final String NO_ERROR = "no error";
/**
* Test that on success a datum will be added to the queue.
*
* @throws Exception Exception
*/
@Test
public void testSucessfullPull() throws Exception {
Plus plus = createMockPlus(0, null);
BackOffStrategy backOff = new ConstantTimeBackOffStrategy(1);
BlockingQueue<StreamsDatum> datums = new LinkedBlockingQueue<>();
UserInfo user = new UserInfo();
user.setUserId("A");
GPlusUserDataCollector collector = new GPlusUserDataCollector(plus, backOff, datums, user);
collector.run();
Assert.assertEquals(1, datums.size());
StreamsDatum datum = datums.take();
Assert.assertNotNull(datum);
Assert.assertEquals(NO_ERROR, datum.getId());
Assert.assertNotNull(datum.getDocument());
Assert.assertTrue(datum.getDocument() instanceof String);
}
/**
* Test that on failure, no datums are output.
*
* @throws Exception Exception
*/
@Test
public void testFail() throws Exception {
Plus plus = createMockPlus(3, mock(GoogleJsonResponseException.class));
UserInfo user = new UserInfo();
user.setUserId("A");
BlockingQueue<StreamsDatum> datums = new LinkedBlockingQueue<>();
BackOffStrategy backOffStrategy = new ConstantTimeBackOffStrategy(1);
GPlusUserDataCollector collector = new GPlusUserDataCollector(plus, backOffStrategy, datums, user);
collector.run();
Assert.assertEquals(0, datums.size());
}
private Plus createMockPlus(final int succedOnTry, final Throwable throwable) {
Plus plus = mock(Plus.class);
doAnswer(invocationOnMock -> createMockPeople(succedOnTry, throwable)).when(plus).people();
return plus;
}
private Plus.People createMockPeople(final int succedOnTry, final Throwable throwable) {
Plus.People people = mock(Plus.People.class);
try {
when(people.get(anyString())).thenAnswer(invocationOnMock -> createMockGetNoError(succedOnTry, throwable));
} catch (IOException ioe) {
Assert.fail("No Excpetion should have been thrown while creating mocks");
}
return people;
}
private Plus.People.Get createMockGetNoError(final int succedOnTry, final Throwable throwable) {
Plus.People.Get get = mock(Plus.People.Get.class);
try {
doAnswer(new Answer() {
private int counter = 0;
@Override
public Person answer(InvocationOnMock invocationOnMock) throws Throwable {
if (counter == succedOnTry) {
Person person = new Person();
person.setId(NO_ERROR);
return person;
} else {
++counter;
throw throwable;
}
}
}).when(get).execute();
} catch (IOException ioe) {
Assert.fail("No Excpetion should have been thrown while creating mocks");
}
return get;
}
}