/*
* 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.autoconfigure.web.servlet.error;
import java.util.Collections;
import java.util.Date;
import java.util.Map;
import javax.servlet.ServletException;
import org.junit.Test;
import org.springframework.http.HttpStatus;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.validation.BindException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.MapBindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.servlet.ModelAndView;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link DefaultErrorAttributes}.
*
* @author Phillip Webb
* @author Vedran Pavic
*/
public class DefaultErrorAttributesTests {
private DefaultErrorAttributes errorAttributes = new DefaultErrorAttributes();
private MockHttpServletRequest request = new MockHttpServletRequest();
private RequestAttributes requestAttributes = new ServletRequestAttributes(
this.request);
@Test
public void includeTimeStamp() throws Exception {
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("timestamp")).isInstanceOf(Date.class);
}
@Test
public void specificStatusCode() throws Exception {
this.request.setAttribute("javax.servlet.error.status_code", 404);
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("error"))
.isEqualTo(HttpStatus.NOT_FOUND.getReasonPhrase());
assertThat(attributes.get("status")).isEqualTo(404);
}
@Test
public void missingStatusCode() throws Exception {
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("error")).isEqualTo("None");
assertThat(attributes.get("status")).isEqualTo(999);
}
@Test
public void mvcError() throws Exception {
RuntimeException ex = new RuntimeException("Test");
ModelAndView modelAndView = this.errorAttributes.resolveException(this.request,
null, null, ex);
this.request.setAttribute("javax.servlet.error.exception",
new RuntimeException("Ignored"));
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(this.errorAttributes.getError(this.requestAttributes)).isSameAs(ex);
assertThat(modelAndView).isNull();
assertThat(attributes.get("exception")).isNull();
assertThat(attributes.get("message")).isEqualTo("Test");
}
@Test
public void servletError() throws Exception {
RuntimeException ex = new RuntimeException("Test");
this.request.setAttribute("javax.servlet.error.exception", ex);
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(this.errorAttributes.getError(this.requestAttributes)).isSameAs(ex);
assertThat(attributes.get("exception")).isNull();
assertThat(attributes.get("message")).isEqualTo("Test");
}
@Test
public void servletMessage() throws Exception {
this.request.setAttribute("javax.servlet.error.message", "Test");
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("exception")).isNull();
assertThat(attributes.get("message")).isEqualTo("Test");
}
@Test
public void nullMessage() throws Exception {
this.request.setAttribute("javax.servlet.error.exception",
new RuntimeException());
this.request.setAttribute("javax.servlet.error.message", "Test");
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("exception")).isNull();
assertThat(attributes.get("message")).isEqualTo("Test");
}
@Test
public void unwrapServletException() throws Exception {
RuntimeException ex = new RuntimeException("Test");
ServletException wrapped = new ServletException(new ServletException(ex));
this.request.setAttribute("javax.servlet.error.exception", wrapped);
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(this.errorAttributes.getError(this.requestAttributes))
.isSameAs(wrapped);
assertThat(attributes.get("exception")).isNull();
assertThat(attributes.get("message")).isEqualTo("Test");
}
@Test
public void getError() throws Exception {
Error error = new OutOfMemoryError("Test error");
this.request.setAttribute("javax.servlet.error.exception", error);
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(this.errorAttributes.getError(this.requestAttributes)).isSameAs(error);
assertThat(attributes.get("exception")).isNull();
assertThat(attributes.get("message")).isEqualTo("Test error");
}
@Test
public void extractBindingResultErrors() throws Exception {
BindingResult bindingResult = new MapBindingResult(
Collections.singletonMap("a", "b"), "objectName");
bindingResult.addError(new ObjectError("c", "d"));
Exception ex = new BindException(bindingResult);
testBindingResult(bindingResult, ex);
}
@Test
public void extractMethodArgumentNotValidExceptionBindingResultErrors()
throws Exception {
BindingResult bindingResult = new MapBindingResult(
Collections.singletonMap("a", "b"), "objectName");
bindingResult.addError(new ObjectError("c", "d"));
Exception ex = new MethodArgumentNotValidException(null, bindingResult);
testBindingResult(bindingResult, ex);
}
private void testBindingResult(BindingResult bindingResult, Exception ex) {
this.request.setAttribute("javax.servlet.error.exception", ex);
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("message"))
.isEqualTo("Validation failed for object='objectName'. Error count: 1");
assertThat(attributes.get("errors")).isEqualTo(bindingResult.getAllErrors());
}
@Test
public void withExceptionAttribute() throws Exception {
DefaultErrorAttributes errorAttributes = new DefaultErrorAttributes(true);
RuntimeException ex = new RuntimeException("Test");
this.request.setAttribute("javax.servlet.error.exception", ex);
Map<String, Object> attributes = errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("exception"))
.isEqualTo(RuntimeException.class.getName());
assertThat(attributes.get("message")).isEqualTo("Test");
}
@Test
public void trace() throws Exception {
RuntimeException ex = new RuntimeException("Test");
this.request.setAttribute("javax.servlet.error.exception", ex);
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, true);
assertThat(attributes.get("trace").toString()).startsWith("java.lang");
}
@Test
public void noTrace() throws Exception {
RuntimeException ex = new RuntimeException("Test");
this.request.setAttribute("javax.servlet.error.exception", ex);
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("trace")).isNull();
}
@Test
public void path() throws Exception {
this.request.setAttribute("javax.servlet.error.request_uri", "path");
Map<String, Object> attributes = this.errorAttributes
.getErrorAttributes(this.requestAttributes, false);
assertThat(attributes.get("path")).isEqualTo("path");
}
}