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/*
* Copyright (C) 2015 The Dagger Authors.
*
* 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 dagger.producers;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.common.testing.EqualsTester;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests {@link Produced}.
*/
@RunWith(JUnit4.class)
public class ProducedTest {
@Test public void successfulProduced() throws ExecutionException {
Object o = new Object();
assertThat(Produced.successful(5).get()).isEqualTo(5);
assertThat(Produced.successful("monkey").get()).isEqualTo("monkey");
assertThat(Produced.successful(o).get()).isSameInstanceAs(o);
}
@Test public void failedProduced() {
RuntimeException cause = new RuntimeException("monkey");
try {
Produced.failed(cause).get();
fail();
} catch (ExecutionException e) {
assertThat(e).hasCauseThat().isSameInstanceAs(cause);
}
}
@Test public void producedEquivalence() {
RuntimeException e1 = new RuntimeException("monkey");
RuntimeException e2 = new CancellationException();
new EqualsTester()
.addEqualityGroup(Produced.successful(132435), Produced.successful(132435))
.addEqualityGroup(Produced.successful("hi"), Produced.successful("hi"))
.addEqualityGroup(Produced.failed(e1), Produced.failed(e1))
.addEqualityGroup(Produced.failed(e2), Produced.failed(e2))
.testEquals();
}
}