/*
* 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.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import org.junit.After;
import org.junit.Test;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.autoconfigure.freemarker.FreeMarkerAutoConfiguration;
import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration;
import org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration;
import org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryAutoConfiguration;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.RequestEntity;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.BindException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.view.AbstractView;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link BasicErrorController} using a real HTTP server.
*
* @author Phillip Webb
* @author Dave Syer
* @author Stephane Nicoll
*/
public class BasicErrorControllerIntegrationTests {
private ConfigurableApplicationContext context;
@After
public void closeContext() {
if (this.context != null) {
this.context.close();
}
}
@Test
@SuppressWarnings("rawtypes")
public void testErrorForMachineClient() throws Exception {
load();
ResponseEntity<Map> entity = new TestRestTemplate()
.getForEntity(createUrl("?trace=true"), Map.class);
assertErrorAttributes(entity.getBody(), "500", "Internal Server Error", null,
"Expected!", "/");
assertThat(entity.getBody().containsKey("trace")).isFalse();
}
@Test
@SuppressWarnings("rawtypes")
public void testErrorForMachineClientTraceParamStacktrace() throws Exception {
load("--server.error.include-exception=true",
"--server.error.include-stacktrace=on-trace-param");
ResponseEntity<Map> entity = new TestRestTemplate()
.getForEntity(createUrl("?trace=true"), Map.class);
assertErrorAttributes(entity.getBody(), "500", "Internal Server Error",
IllegalStateException.class, "Expected!", "/");
assertThat(entity.getBody().containsKey("trace")).isTrue();
}
@Test
@SuppressWarnings("rawtypes")
public void testErrorForMachineClientNoStacktrace() throws Exception {
load("--server.error.include-stacktrace=never");
ResponseEntity<Map> entity = new TestRestTemplate()
.getForEntity(createUrl("?trace=true"), Map.class);
assertErrorAttributes(entity.getBody(), "500", "Internal Server Error", null,
"Expected!", "/");
assertThat(entity.getBody().containsKey("trace")).isFalse();
}
@Test
@SuppressWarnings("rawtypes")
public void testErrorForMachineClientAlwaysStacktrace() throws Exception {
load("--server.error.include-stacktrace=always");
ResponseEntity<Map> entity = new TestRestTemplate()
.getForEntity(createUrl("?trace=false"), Map.class);
assertErrorAttributes(entity.getBody(), "500", "Internal Server Error", null,
"Expected!", "/");
assertThat(entity.getBody().containsKey("trace")).isTrue();
}
@Test
@SuppressWarnings("rawtypes")
public void testErrorForAnnotatedException() throws Exception {
load("--server.error.include-exception=true");
ResponseEntity<Map> entity = new TestRestTemplate()
.getForEntity(createUrl("/annotated"), Map.class);
assertErrorAttributes(entity.getBody(), "400", "Bad Request",
TestConfiguration.Errors.ExpectedException.class, "Expected!",
"/annotated");
}
@Test
@SuppressWarnings("rawtypes")
public void testErrorForAnnotatedNoReasonException() throws Exception {
load("--server.error.include-exception=true");
ResponseEntity<Map> entity = new TestRestTemplate()
.getForEntity(createUrl("/annotatedNoReason"), Map.class);
assertErrorAttributes(entity.getBody(), "406", "Not Acceptable",
TestConfiguration.Errors.NoReasonExpectedException.class,
"Expected message", "/annotatedNoReason");
}
@Test
@SuppressWarnings("rawtypes")
public void testBindingExceptionForMachineClient() throws Exception {
load("--server.error.include-exception=true");
RequestEntity request = RequestEntity.get(URI.create(createUrl("/bind")))
.accept(MediaType.APPLICATION_JSON).build();
ResponseEntity<Map> entity = new TestRestTemplate().exchange(request, Map.class);
String resp = entity.getBody().toString();
assertThat(resp).contains("Error count: 1");
assertThat(resp).contains("errors=[{");
assertThat(resp).contains("codes=[");
assertThat(resp).contains("org.springframework.validation.BindException");
}
@Test
@SuppressWarnings("rawtypes")
public void testRequestBodyValidationForMachineClient() throws Exception {
load("--server.error.include-exception=true");
RequestEntity request = RequestEntity
.post(URI.create(createUrl("/bodyValidation")))
.contentType(MediaType.APPLICATION_JSON).body("{}");
ResponseEntity<Map> entity = new TestRestTemplate().exchange(request, Map.class);
String resp = entity.getBody().toString();
assertThat(resp).contains("Error count: 1");
assertThat(resp).contains("errors=[{");
assertThat(resp).contains("codes=[");
assertThat(resp).contains(MethodArgumentNotValidException.class.getName());
}
@Test
@SuppressWarnings("rawtypes")
public void testNoExceptionByDefaultForMachineClient() throws Exception {
load();
RequestEntity request = RequestEntity.get(URI.create(createUrl("/bind")))
.accept(MediaType.APPLICATION_JSON).build();
ResponseEntity<Map> entity = new TestRestTemplate().exchange(request, Map.class);
String resp = entity.getBody().toString();
assertThat(resp).doesNotContain("org.springframework.validation.BindException");
}
@Test
public void testConventionTemplateMapping() throws Exception {
load();
RequestEntity<?> request = RequestEntity.get(URI.create(createUrl("/noStorage")))
.accept(MediaType.TEXT_HTML).build();
ResponseEntity<String> entity = new TestRestTemplate().exchange(request,
String.class);
String resp = entity.getBody();
assertThat(resp).contains("We are out of storage");
}
private void assertErrorAttributes(Map<?, ?> content, String status, String error,
Class<?> exception, String message, String path) {
assertThat(content.get("status")).as("Wrong status").isEqualTo(status);
assertThat(content.get("error")).as("Wrong error").isEqualTo(error);
if (exception != null) {
assertThat(content.get("exception")).as("Wrong exception")
.isEqualTo(exception.getName());
}
else {
assertThat(content.containsKey("exception"))
.as("Exception attribute should not be set").isFalse();
}
assertThat(content.get("message")).as("Wrong message").isEqualTo(message);
assertThat(content.get("path")).as("Wrong path").isEqualTo(path);
}
private String createUrl(String path) {
int port = this.context.getEnvironment().getProperty("local.server.port",
int.class);
return "http://localhost:" + port + path;
}
private void load(String... arguments) {
List<String> args = new ArrayList<>();
args.add("--server.port=0");
if (arguments != null) {
args.addAll(Arrays.asList(arguments));
}
this.context = SpringApplication.run(TestConfiguration.class,
args.toArray(new String[args.size()]));
}
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Import({ ServletWebServerFactoryAutoConfiguration.EmbeddedTomcat.class,
ServletWebServerFactoryAutoConfiguration.class,
DispatcherServletAutoConfiguration.class, WebMvcAutoConfiguration.class,
HttpMessageConvertersAutoConfiguration.class, ErrorMvcAutoConfiguration.class,
PropertyPlaceholderAutoConfiguration.class })
private @interface MinimalWebConfiguration {
}
@Configuration
@MinimalWebConfiguration
@Import(FreeMarkerAutoConfiguration.class)
public static class TestConfiguration {
// For manual testing
public static void main(String[] args) {
SpringApplication.run(TestConfiguration.class, args);
}
@Bean
public View error() {
return new AbstractView() {
@Override
protected void renderMergedOutputModel(Map<String, Object> model,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
response.getWriter().write("ERROR_BEAN");
}
};
}
@RestController
protected static class Errors {
public String getFoo() {
return "foo";
}
@RequestMapping("/")
public String home() {
throw new IllegalStateException("Expected!");
}
@RequestMapping("/annotated")
public String annotated() {
throw new ExpectedException();
}
@RequestMapping("/annotatedNoReason")
public String annotatedNoReason() {
throw new NoReasonExpectedException("Expected message");
}
@RequestMapping("/bind")
public String bind() throws Exception {
BindException error = new BindException(this, "test");
error.rejectValue("foo", "bar.error");
throw error;
}
@PostMapping(path = "/bodyValidation", produces = "application/json")
public String bodyValidation(@Valid @RequestBody DummyBody body) {
return body.content;
}
@RequestMapping(path = "/noStorage")
public String noStorage() {
throw new InsufficientStorageException();
}
@ResponseStatus(value = HttpStatus.BAD_REQUEST, reason = "Expected!")
@SuppressWarnings("serial")
private static class ExpectedException extends RuntimeException {
}
@ResponseStatus(HttpStatus.INSUFFICIENT_STORAGE)
private static class InsufficientStorageException extends RuntimeException {
}
@ResponseStatus(HttpStatus.NOT_ACCEPTABLE)
@SuppressWarnings("serial")
private static class NoReasonExpectedException extends RuntimeException {
NoReasonExpectedException(String message) {
super(message);
}
}
static class DummyBody {
@NotNull
private String content;
public String getContent() {
return this.content;
}
public void setContent(String content) {
this.content = content;
}
}
}
}
}