/*
* Copyright 2015-2017 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.data.rest.webmvc.support;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.*;
import java.util.Arrays;
import javax.servlet.http.HttpServletRequest;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.web.HttpMediaTypeNotAcceptableException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.UnsatisfiedServletRequestParameterException;
import org.springframework.web.servlet.HandlerMapping;
/**
* Unit tests for {@link DelegatingHandlerMapping}.
*
* @author Oliver Gierke
* @soundtrack Benny Greb - Stabila (Moving Parts)
*/
@RunWith(MockitoJUnitRunner.class)
public class DelegatingHandlerMappingUnitTests {
@Mock HandlerMapping first, second;
@Mock HttpServletRequest request;
@Test // DATAREST-490, DATAREST-522
public void consultsAllHandlerMappingsAndThrowsExceptionEventually() throws Exception {
DelegatingHandlerMapping mapping = new DelegatingHandlerMapping(Arrays.asList(first, second));
assertHandlerTriedButExceptionThrown(mapping, HttpMediaTypeNotAcceptableException.class);
assertHandlerTriedButExceptionThrown(mapping, HttpRequestMethodNotSupportedException.class);
assertHandlerTriedButExceptionThrown(mapping, UnsatisfiedServletRequestParameterException.class);
}
private final void assertHandlerTriedButExceptionThrown(HandlerMapping mapping, Class<? extends Exception> type)
throws Exception {
when(first.getHandler(request)).thenThrow(type);
try {
mapping.getHandler(request);
fail(String.format("Expected %s!", type.getSimpleName()));
} catch (Exception o_O) {
assertThat(o_O).isInstanceOf(type);
verify(second, times(1)).getHandler(request);
} finally {
reset(first, second);
}
}
}