/*
* Copyright 2012-2017 the original author or 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 org.springframework.boot.origin;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
/**
* Tests for {@link Origin}.
*
* @author Phillip Webb
*/
public class OriginTests {
@Test
public void fromWhenSourceIsNullShouldReturnNull() throws Exception {
assertThat(Origin.from(null)).isNull();
}
@Test
public void fromWhenSourceIsRegularObjectShouldReturnNull() throws Exception {
Object source = new Object();
assertThat(Origin.from(source)).isNull();
}
@Test
public void fromWhenSourceIsOriginShouldReturnSource() throws Exception {
Origin origin = mock(Origin.class);
assertThat(Origin.from(origin)).isEqualTo(origin);
}
@Test
public void fromWhenSourceIsOriginProviderShouldReturnProvidedOrigin()
throws Exception {
Origin origin = mock(Origin.class);
OriginProvider originProvider = mock(OriginProvider.class);
given(originProvider.getOrigin()).willReturn(origin);
assertThat(Origin.from(origin)).isEqualTo(origin);
}
@Test
public void fromWhenSourceIsThrowableShouldUseCause() throws Exception {
Origin origin = mock(Origin.class);
Exception exception = new RuntimeException(new TestException(origin, null));
assertThat(Origin.from(exception)).isEqualTo(origin);
}
@Test
public void fromWhenSourceIsThrowableAndOriginProviderThatReturnsNullShouldUseCause()
throws Exception {
Origin origin = mock(Origin.class);
Exception exception = new TestException(null, new TestException(origin, null));
assertThat(Origin.from(exception)).isEqualTo(origin);
}
private static class TestException extends RuntimeException
implements OriginProvider {
private final Origin origin;
TestException(Origin origin, Throwable cause) {
super(cause);
this.origin = origin;
}
@Override
public Origin getOrigin() {
return this.origin;
}
}
}