/*
* 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.web.servlet.mvc.method.annotation;
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.util.Arrays;
import java.util.List;
import org.hamcrest.Matchers;
import org.joda.time.DateTime;
import org.joda.time.format.ISODateTimeFormat;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.annotation.Bean;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.format.annotation.DateTimeFormat.ISO;
import org.springframework.http.HttpEntity;
import org.springframework.http.MediaType;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockServletContext;
import org.springframework.stereotype.Controller;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.endsWith;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.startsWith;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.fromController;
import static org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.fromMethodCall;
import static org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.fromMethodName;
import static org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.on;
/**
* Unit tests for {@link org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder}.
*
* @author Oliver Gierke
* @author Dietrich Schulten
* @author Rossen Stoyanchev
* @author Sam Brannen
*/
@SuppressWarnings("unused")
public class MvcUriComponentsBuilderTests {
private final MockHttpServletRequest request = new MockHttpServletRequest();
@Before
public void setup() {
RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(this.request));
}
@After
public void reset() {
RequestContextHolder.resetRequestAttributes();
}
@Test
public void testFromController() {
UriComponents uriComponents = fromController(PersonControllerImpl.class).build();
assertThat(uriComponents.toUriString(), Matchers.endsWith("/people"));
}
@Test
public void testFromControllerUriTemplate() {
UriComponents uriComponents = fromController(PersonsAddressesController.class).buildAndExpand(15);
assertThat(uriComponents.toUriString(), endsWith("/people/15/addresses"));
}
@Test
public void testFromControllerSubResource() {
UriComponents uriComponents = fromController(PersonControllerImpl.class).pathSegment("something").build();
assertThat(uriComponents.toUriString(), endsWith("/people/something"));
}
@Test
public void testFromControllerTwoTypeLevelMappings() {
UriComponents uriComponents = fromController(InvalidController.class).build();
assertThat(uriComponents.toUriString(), is("http://localhost/persons"));
}
@Test
public void testFromControllerNotMapped() {
UriComponents uriComponents = fromController(UnmappedController.class).build();
assertThat(uriComponents.toUriString(), is("http://localhost/"));
}
@Test
public void testFromControllerWithCustomBaseUrlViaStaticCall() {
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString("http://example.org:9090/base");
UriComponents uriComponents = fromController(builder, PersonControllerImpl.class).build();
assertEquals("http://example.org:9090/base/people", uriComponents.toString());
assertEquals("http://example.org:9090/base", builder.toUriString());
}
@Test
public void testFromControllerWithCustomBaseUrlViaInstance() {
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString("http://example.org:9090/base");
MvcUriComponentsBuilder mvcBuilder = MvcUriComponentsBuilder.relativeTo(builder);
UriComponents uriComponents = mvcBuilder.withController(PersonControllerImpl.class).build();
assertEquals("http://example.org:9090/base/people", uriComponents.toString());
assertEquals("http://example.org:9090/base", builder.toUriString());
}
@Test
public void testFromMethodNamePathVariable() throws Exception {
UriComponents uriComponents = fromMethodName(
ControllerWithMethods.class, "methodWithPathVariable", new Object[]{"1"}).build();
assertThat(uriComponents.toUriString(), is("http://localhost/something/1/foo"));
}
@Test
public void testFromMethodNameTypeLevelPathVariable() throws Exception {
this.request.setContextPath("/myapp");
UriComponents uriComponents = fromMethodName(
PersonsAddressesController.class, "getAddressesForCountry", "DE").buildAndExpand("1");
assertThat(uriComponents.toUriString(), is("http://localhost/myapp/people/1/addresses/DE"));
}
@Test
public void testFromMethodNameTwoPathVariables() throws Exception {
DateTime now = DateTime.now();
UriComponents uriComponents = fromMethodName(
ControllerWithMethods.class, "methodWithTwoPathVariables", 1, now).build();
assertThat(uriComponents.getPath(), is("/something/1/foo/" + ISODateTimeFormat.date().print(now)));
}
@Test
public void testFromMethodNameWithPathVarAndRequestParam() throws Exception {
UriComponents uriComponents = fromMethodName(
ControllerWithMethods.class, "methodForNextPage", "1", 10, 5).build();
assertThat(uriComponents.getPath(), is("/something/1/foo"));
MultiValueMap<String, String> queryParams = uriComponents.getQueryParams();
assertThat(queryParams.get("limit"), contains("5"));
assertThat(queryParams.get("offset"), contains("10"));
}
// SPR-12977
@Test
public void fromMethodNameWithBridgedMethod() throws Exception {
UriComponents uriComponents = fromMethodName(PersonCrudController.class, "get", (long) 42).build();
assertThat(uriComponents.toUriString(), is("http://localhost/42"));
}
// SPR-11391
@Test
public void testFromMethodNameTypeLevelPathVariableWithoutArgumentValue() throws Exception {
UriComponents uriComponents = fromMethodName(UserContactController.class, "showCreate", 123).build();
assertThat(uriComponents.getPath(), is("/user/123/contacts/create"));
}
@Test
public void testFromMethodNameNotMapped() throws Exception {
UriComponents uriComponents = fromMethodName(UnmappedController.class, "unmappedMethod").build();
assertThat(uriComponents.toUriString(), is("http://localhost/"));
}
@Test
public void testFromMethodNameWithCustomBaseUrlViaStaticCall() throws Exception {
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString("http://example.org:9090/base");
UriComponents uriComponents = fromMethodName(builder, ControllerWithMethods.class,
"methodWithPathVariable", new Object[] {"1"}).build();
assertEquals("http://example.org:9090/base/something/1/foo", uriComponents.toString());
assertEquals("http://example.org:9090/base", builder.toUriString());
}
@Test
public void testFromMethodNameWithCustomBaseUrlViaInstance() throws Exception {
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString("http://example.org:9090/base");
MvcUriComponentsBuilder mvcBuilder = MvcUriComponentsBuilder.relativeTo(builder);
UriComponents uriComponents = mvcBuilder.withMethodName(ControllerWithMethods.class,
"methodWithPathVariable", new Object[] {"1"}).build();
assertEquals("http://example.org:9090/base/something/1/foo", uriComponents.toString());
assertEquals("http://example.org:9090/base", builder.toUriString());
}
@Test
public void testFromMethodNameWithMetaAnnotation() throws Exception {
UriComponents uriComponents = fromMethodName(MetaAnnotationController.class, "handleInput").build();
assertThat(uriComponents.toUriString(), is("http://localhost/input"));
}
@Test // SPR-14405
public void testFromMappingNameWithOptionalParam() throws Exception {
UriComponents uriComponents = fromMethodName(ControllerWithMethods.class,
"methodWithOptionalParam", new Object[] {null}).build();
assertThat(uriComponents.toUriString(), is("http://localhost/something/optional-param"));
}
@Test
public void testFromMethodCall() {
UriComponents uriComponents = fromMethodCall(on(ControllerWithMethods.class).myMethod(null)).build();
assertThat(uriComponents.toUriString(), startsWith("http://localhost"));
assertThat(uriComponents.toUriString(), endsWith("/something/else"));
}
@Test
public void testFromMethodCallOnSubclass() {
UriComponents uriComponents = fromMethodCall(on(ExtendedController.class).myMethod(null)).build();
assertThat(uriComponents.toUriString(), startsWith("http://localhost"));
assertThat(uriComponents.toUriString(), endsWith("/extended/else"));
}
@Test
public void testFromMethodCallWithTypeLevelUriVars() {
UriComponents uriComponents = fromMethodCall(on(
PersonsAddressesController.class).getAddressesForCountry("DE")).buildAndExpand(15);
assertThat(uriComponents.toUriString(), endsWith("/people/15/addresses/DE"));
}
@Test
public void testFromMethodCallWithPathVar() {
UriComponents uriComponents = fromMethodCall(on(
ControllerWithMethods.class).methodWithPathVariable("1")).build();
assertThat(uriComponents.toUriString(), startsWith("http://localhost"));
assertThat(uriComponents.toUriString(), endsWith("/something/1/foo"));
}
@Test
public void testFromMethodCallWithPathVarAndRequestParams() {
UriComponents uriComponents = fromMethodCall(on(
ControllerWithMethods.class).methodForNextPage("1", 10, 5)).build();
assertThat(uriComponents.getPath(), is("/something/1/foo"));
MultiValueMap<String, String> queryParams = uriComponents.getQueryParams();
assertThat(queryParams.get("limit"), contains("5"));
assertThat(queryParams.get("offset"), contains("10"));
}
@Test
public void testFromMethodCallWithPathVarAndMultiValueRequestParams() {
UriComponents uriComponents = fromMethodCall(on(
ControllerWithMethods.class).methodWithMultiValueRequestParams("1", Arrays.asList(3, 7), 5)).build();
assertThat(uriComponents.getPath(), is("/something/1/foo"));
MultiValueMap<String, String> queryParams = uriComponents.getQueryParams();
assertThat(queryParams.get("limit"), contains("5"));
assertThat(queryParams.get("items"), containsInAnyOrder("3", "7"));
}
@Test
public void testFromMethodCallWithCustomBaseUrlViaStaticCall() {
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString("http://example.org:9090/base");
UriComponents uriComponents = fromMethodCall(builder, on(ControllerWithMethods.class).myMethod(null)).build();
assertEquals("http://example.org:9090/base/something/else", uriComponents.toString());
assertEquals("http://example.org:9090/base", builder.toUriString());
}
@Test
public void testFromMethodCallWithCustomBaseUrlViaInstance() {
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString("http://example.org:9090/base");
MvcUriComponentsBuilder mvcBuilder = MvcUriComponentsBuilder.relativeTo(builder);
UriComponents result = mvcBuilder.withMethodCall(on(ControllerWithMethods.class).myMethod(null)).build();
assertEquals("http://example.org:9090/base/something/else", result.toString());
assertEquals("http://example.org:9090/base", builder.toUriString());
}
@Test
public void testFromMappingName() throws Exception {
AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
context.setServletContext(new MockServletContext());
context.register(WebConfig.class);
context.refresh();
this.request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, context);
this.request.setServerName("example.org");
this.request.setServerPort(9999);
this.request.setContextPath("/base");
String mappingName = "PAC#getAddressesForCountry";
String url = MvcUriComponentsBuilder.fromMappingName(mappingName).arg(0, "DE").buildAndExpand(123);
assertEquals("/base/people/123/addresses/DE", url);
}
@Test
public void testFromMappingNameWithCustomBaseUrl() throws Exception {
AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
context.setServletContext(new MockServletContext());
context.register(WebConfig.class);
context.refresh();
this.request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, context);
UriComponentsBuilder baseUrl = UriComponentsBuilder.fromUriString("http://example.org:9999/base");
MvcUriComponentsBuilder mvcBuilder = MvcUriComponentsBuilder.relativeTo(baseUrl);
String url = mvcBuilder.withMappingName("PAC#getAddressesForCountry").arg(0, "DE").buildAndExpand(123);
assertEquals("http://example.org:9999/base/people/123/addresses/DE", url);
}
@Test
public void usesForwardedHostAsHostIfHeaderIsSet() {
this.request.addHeader("X-Forwarded-Host", "somethingDifferent");
UriComponents uriComponents = fromController(PersonControllerImpl.class).build();
assertThat(uriComponents.toUriString(), startsWith("http://somethingDifferent"));
}
@Test
public void usesForwardedHostAndPortFromHeader() {
request.addHeader("X-Forwarded-Host", "foobar:8088");
UriComponents uriComponents = fromController(PersonControllerImpl.class).build();
assertThat(uriComponents.toUriString(), startsWith("http://foobar:8088"));
}
@Test
public void usesFirstHostOfXForwardedHost() {
request.addHeader("X-Forwarded-Host", "barfoo:8888, localhost:8088");
UriComponents uriComponents = fromController(PersonControllerImpl.class).build();
assertThat(uriComponents.toUriString(), startsWith("http://barfoo:8888"));
}
static class Person {
Long id;
public Long getId() {
return id;
}
}
@RequestMapping("/people")
interface PersonController {
}
private class PersonControllerImpl implements PersonController {
}
@RequestMapping("/people/{id}/addresses")
private static class PersonsAddressesController {
@RequestMapping("/{country}")
HttpEntity<Void> getAddressesForCountry(@PathVariable String country) {
return null;
}
}
@RequestMapping({"/persons", "/people"})
private class InvalidController {
}
private class UnmappedController {
@RequestMapping
public void unmappedMethod() {
}
}
@RequestMapping("/something")
static class ControllerWithMethods {
@RequestMapping("/else")
HttpEntity<Void> myMethod(@RequestBody Object payload) {
return null;
}
@RequestMapping("/{id}/foo")
HttpEntity<Void> methodWithPathVariable(@PathVariable String id) {
return null;
}
@RequestMapping("/{id}/foo/{date}")
HttpEntity<Void> methodWithTwoPathVariables(
@PathVariable Integer id, @DateTimeFormat(iso = ISO.DATE) @PathVariable DateTime date) {
return null;
}
@RequestMapping(value = "/{id}/foo")
HttpEntity<Void> methodForNextPage(@PathVariable String id,
@RequestParam Integer offset, @RequestParam Integer limit) {
return null;
}
@RequestMapping(value = "/{id}/foo")
HttpEntity<Void> methodWithMultiValueRequestParams(@PathVariable String id,
@RequestParam List<Integer> items, @RequestParam Integer limit) {
return null;
}
@RequestMapping("/optional-param")
HttpEntity<Void> methodWithOptionalParam(@RequestParam(defaultValue = "") String q) {
return null;
}
}
@RequestMapping("/extended")
@SuppressWarnings("WeakerAccess")
static class ExtendedController extends ControllerWithMethods {
}
@RequestMapping("/user/{userId}/contacts")
private static class UserContactController {
@RequestMapping("/create")
public String showCreate(@PathVariable Integer userId) {
return null;
}
}
static abstract class AbstractCrudController<T, ID> {
abstract T get(ID id);
}
private static class PersonCrudController extends AbstractCrudController<Person, Long> {
@RequestMapping(path = "/{id}", method = RequestMethod.GET)
public Person get(@PathVariable Long id) {
return new Person();
}
}
@Controller
private static class MetaAnnotationController {
@RequestMapping
public void handle() {
}
@PostJson(path = "/input")
public void handleInput() {
}
}
@RequestMapping(method = RequestMethod.POST,
produces = MediaType.APPLICATION_JSON_VALUE,
consumes = MediaType.APPLICATION_JSON_VALUE)
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
private @interface PostJson {
String[] path() default {};
}
@EnableWebMvc
static class WebConfig implements WebMvcConfigurer {
@Bean
public PersonsAddressesController controller() {
return new PersonsAddressesController();
}
}
}