/*
* Copyright 2002-2014 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.client;
import java.io.IOException;
import java.net.URI;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.ClientHttpRequest;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.http.converter.GenericHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Arjen Poutsma
*/
@SuppressWarnings("unchecked")
public class RestTemplateTests {
private RestTemplate template;
private ClientHttpRequestFactory requestFactory;
private ClientHttpRequest request;
private ClientHttpResponse response;
private ResponseErrorHandler errorHandler;
@SuppressWarnings("rawtypes")
private HttpMessageConverter converter;
@Before
public void setUp() {
requestFactory = mock(ClientHttpRequestFactory.class);
request = mock(ClientHttpRequest.class);
response = mock(ClientHttpResponse.class);
errorHandler = mock(ResponseErrorHandler.class);
converter = mock(HttpMessageConverter.class);
template = new RestTemplate(Collections.<HttpMessageConverter<?>>singletonList(converter));
template.setRequestFactory(requestFactory);
template.setErrorHandler(errorHandler);
}
@Test
public void varArgsTemplateVariables() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com/hotels/42/bookings/21"), HttpMethod.GET))
.willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
template.execute("http://example.com/hotels/{hotel}/bookings/{booking}", HttpMethod.GET, null, null, "42",
"21");
verify(response).close();
}
@Test
public void varArgsNullTemplateVariable() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com/-foo"), HttpMethod.GET))
.willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
template.execute("http://example.com/{first}-{last}", HttpMethod.GET, null, null, null, "foo");
verify(response).close();
}
@Test
public void mapTemplateVariables() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com/hotels/42/bookings/42"), HttpMethod.GET))
.willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
Map<String, String> vars = Collections.singletonMap("hotel", "42");
template.execute("http://example.com/hotels/{hotel}/bookings/{hotel}", HttpMethod.GET, null, null, vars);
verify(response).close();
}
@Test
public void mapNullTemplateVariable() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com/-foo"), HttpMethod.GET))
.willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
Map<String, String> vars = new HashMap<String, String>(2);
vars.put("first", null);
vars.put("last", "foo");
template.execute("http://example.com/{first}-{last}", HttpMethod.GET, null, null, vars);
verify(response).close();
}
@Test
public void errorHandling() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.GET)).willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(true);
given(response.getStatusCode()).willReturn(HttpStatus.INTERNAL_SERVER_ERROR);
given(response.getStatusText()).willReturn("Internal Server Error");
willThrow(new HttpServerErrorException(HttpStatus.INTERNAL_SERVER_ERROR)).given(errorHandler).handleError(response);
try {
template.execute("http://example.com", HttpMethod.GET, null, null);
fail("HttpServerErrorException expected");
}
catch (HttpServerErrorException ex) {
// expected
}
verify(response).close();
}
@Test
public void getForObject() throws Exception {
given(converter.canRead(String.class, null)).willReturn(true);
MediaType textPlain = new MediaType("text", "plain");
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(textPlain));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.GET)).willReturn(request);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(textPlain);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
given(converter.canRead(String.class, textPlain)).willReturn(true);
String expected = "Hello World";
given(converter.read(String.class, response)).willReturn(expected);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
String result = template.getForObject("http://example.com", String.class);
assertEquals("Invalid GET result", expected, result);
assertEquals("Invalid Accept header", textPlain.toString(), requestHeaders.getFirst("Accept"));
verify(response).close();
}
@Test
public void getUnsupportedMediaType() throws Exception {
given(converter.canRead(String.class, null)).willReturn(true);
MediaType supportedMediaType = new MediaType("foo", "bar");
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(supportedMediaType));
given(requestFactory.createRequest(new URI("http://example.com/resource"), HttpMethod.GET)).willReturn(request);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
MediaType contentType = new MediaType("bar", "baz");
responseHeaders.setContentType(contentType);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
given(converter.canRead(String.class, contentType)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
try {
template.getForObject("http://example.com/{p}", String.class, "resource");
fail("UnsupportedMediaTypeException expected");
}
catch (RestClientException ex) {
// expected
}
verify(response).close();
}
@Test
public void getForEntity() throws Exception {
given(converter.canRead(String.class, null)).willReturn(true);
MediaType textPlain = new MediaType("text", "plain");
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(textPlain));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.GET)).willReturn(request);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(textPlain);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
given(converter.canRead(String.class, textPlain)).willReturn(true);
String expected = "Hello World";
given(converter.read(String.class, response)).willReturn(expected);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
ResponseEntity<String> result = template.getForEntity("http://example.com", String.class);
assertEquals("Invalid GET result", expected, result.getBody());
assertEquals("Invalid Accept header", textPlain.toString(), requestHeaders.getFirst("Accept"));
assertEquals("Invalid Content-Type header", textPlain, result.getHeaders().getContentType());
assertEquals("Invalid status code", HttpStatus.OK, result.getStatusCode());
verify(response).close();
}
@Test
public void headForHeaders() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.HEAD)).willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
given(response.getHeaders()).willReturn(responseHeaders);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
HttpHeaders result = template.headForHeaders("http://example.com");
assertSame("Invalid headers returned", responseHeaders, result);
verify(response).close();
}
@Test
public void postForLocation() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(request);
String helloWorld = "Hello World";
given(converter.canWrite(String.class, null)).willReturn(true);
converter.write(helloWorld, null, request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
URI expected = new URI("http://example.com/hotels");
responseHeaders.setLocation(expected);
given(response.getHeaders()).willReturn(responseHeaders);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
URI result = template.postForLocation("http://example.com", helloWorld);
assertEquals("Invalid POST result", expected, result);
verify(response).close();
}
@Test
public void postForLocationEntityContentType() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(request);
String helloWorld = "Hello World";
MediaType contentType = MediaType.TEXT_PLAIN;
given(converter.canWrite(String.class, contentType)).willReturn(true);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
converter.write(helloWorld, contentType, request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
URI expected = new URI("http://example.com/hotels");
responseHeaders.setLocation(expected);
given(response.getHeaders()).willReturn(responseHeaders);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
HttpHeaders entityHeaders = new HttpHeaders();
entityHeaders.setContentType(contentType);
HttpEntity<String> entity = new HttpEntity<String>(helloWorld, entityHeaders);
URI result = template.postForLocation("http://example.com", entity);
assertEquals("Invalid POST result", expected, result);
verify(response).close();
}
@Test
public void postForLocationEntityCustomHeader() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(request);
String helloWorld = "Hello World";
given(converter.canWrite(String.class, null)).willReturn(true);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
converter.write(helloWorld, null, request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
URI expected = new URI("http://example.com/hotels");
responseHeaders.setLocation(expected);
given(response.getHeaders()).willReturn(responseHeaders);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
HttpHeaders entityHeaders = new HttpHeaders();
entityHeaders.set("MyHeader", "MyValue");
HttpEntity<String> entity = new HttpEntity<String>(helloWorld, entityHeaders);
URI result = template.postForLocation("http://example.com", entity);
assertEquals("Invalid POST result", expected, result);
assertEquals("No custom header set", "MyValue", requestHeaders.getFirst("MyHeader"));
verify(response).close();
}
@Test
public void postForLocationNoLocation() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(request);
String helloWorld = "Hello World";
given(converter.canWrite(String.class, null)).willReturn(true);
converter.write(helloWorld, null, request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
given(response.getHeaders()).willReturn(responseHeaders);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
URI result = template.postForLocation("http://example.com", helloWorld);
assertNull("Invalid POST result", result);
verify(response).close();
}
@Test
public void postForLocationNull() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(request);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
given(response.getHeaders()).willReturn(responseHeaders);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
template.postForLocation("http://example.com", null);
assertEquals("Invalid content length", 0, requestHeaders.getContentLength());
verify(response).close();
}
@Test
public void postForObject() throws Exception {
MediaType textPlain = new MediaType("text", "plain");
given(converter.canRead(Integer.class, null)).willReturn(true);
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(textPlain));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(this.request);
HttpHeaders requestHeaders = new HttpHeaders();
given(this.request.getHeaders()).willReturn(requestHeaders);
String request = "Hello World";
given(converter.canWrite(String.class, null)).willReturn(true);
converter.write(request, null, this.request);
given(this.request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(textPlain);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
Integer expected = 42;
given(converter.canRead(Integer.class, textPlain)).willReturn(true);
given(converter.read(Integer.class, response)).willReturn(expected);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
Integer result = template.postForObject("http://example.com", request, Integer.class);
assertEquals("Invalid POST result", expected, result);
assertEquals("Invalid Accept header", textPlain.toString(), requestHeaders.getFirst("Accept"));
verify(response).close();
}
@Test
public void postForEntity() throws Exception {
MediaType textPlain = new MediaType("text", "plain");
given(converter.canRead(Integer.class, null)).willReturn(true);
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(textPlain));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(this.request);
HttpHeaders requestHeaders = new HttpHeaders();
given(this.request.getHeaders()).willReturn(requestHeaders);
String request = "Hello World";
given(converter.canWrite(String.class, null)).willReturn(true);
converter.write(request, null, this.request);
given(this.request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(textPlain);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
Integer expected = 42;
given(converter.canRead(Integer.class, textPlain)).willReturn(true);
given(converter.read(Integer.class, response)).willReturn(expected);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
ResponseEntity<Integer> result = template.postForEntity("http://example.com", request, Integer.class);
assertEquals("Invalid POST result", expected, result.getBody());
assertEquals("Invalid Content-Type", textPlain, result.getHeaders().getContentType());
assertEquals("Invalid Accept header", textPlain.toString(), requestHeaders.getFirst("Accept"));
assertEquals("Invalid status code", HttpStatus.OK, result.getStatusCode());
verify(response).close();
}
@Test
public void postForObjectNull() throws Exception {
MediaType textPlain = new MediaType("text", "plain");
given(converter.canRead(Integer.class, null)).willReturn(true);
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(textPlain));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(request);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(textPlain);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
given(converter.canRead(Integer.class, textPlain)).willReturn(true);
given(converter.read(Integer.class, response)).willReturn(null);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
Integer result = template.postForObject("http://example.com", null, Integer.class);
assertNull("Invalid POST result", result);
assertEquals("Invalid content length", 0, requestHeaders.getContentLength());
verify(response).close();
}
@Test
public void postForEntityNull() throws Exception {
MediaType textPlain = new MediaType("text", "plain");
given(converter.canRead(Integer.class, null)).willReturn(true);
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(textPlain));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(request);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(textPlain);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
given(converter.canRead(Integer.class, textPlain)).willReturn(true);
given(converter.read(Integer.class, response)).willReturn(null);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
ResponseEntity<Integer> result = template.postForEntity("http://example.com", null, Integer.class);
assertFalse("Invalid POST result", result.hasBody());
assertEquals("Invalid Content-Type", textPlain, result.getHeaders().getContentType());
assertEquals("Invalid content length", 0, requestHeaders.getContentLength());
assertEquals("Invalid status code", HttpStatus.OK, result.getStatusCode());
verify(response).close();
}
@Test
public void put() throws Exception {
given(converter.canWrite(String.class, null)).willReturn(true);
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.PUT)).willReturn(request);
String helloWorld = "Hello World";
converter.write(helloWorld, null, request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
template.put("http://example.com", helloWorld);
verify(response).close();
}
@Test
public void putNull() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.PUT)).willReturn(request);
HttpHeaders requestHeaders = new HttpHeaders();
given(request.getHeaders()).willReturn(requestHeaders);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
template.put("http://example.com", null);
assertEquals("Invalid content length", 0, requestHeaders.getContentLength());
verify(response).close();
}
@Test
public void delete() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.DELETE)).willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
template.delete("http://example.com");
verify(response).close();
}
@Test
public void optionsForAllow() throws Exception {
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.OPTIONS)).willReturn(request);
given(request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
EnumSet<HttpMethod> expected = EnumSet.of(HttpMethod.GET, HttpMethod.POST);
responseHeaders.setAllow(expected);
given(response.getHeaders()).willReturn(responseHeaders);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
Set<HttpMethod> result = template.optionsForAllow("http://example.com");
assertEquals("Invalid OPTIONS result", expected, result);
verify(response).close();
}
@Test
public void ioException() throws Exception {
given(converter.canRead(String.class, null)).willReturn(true);
MediaType mediaType = new MediaType("foo", "bar");
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(mediaType));
given(requestFactory.createRequest(new URI("http://example.com/resource"), HttpMethod.GET)).willReturn(request);
given(request.getHeaders()).willReturn(new HttpHeaders());
given(request.execute()).willThrow(new IOException());
try {
template.getForObject("http://example.com/resource", String.class);
fail("RestClientException expected");
}
catch (ResourceAccessException ex) {
// expected
}
}
@Test
public void exchange() throws Exception {
given(converter.canRead(Integer.class, null)).willReturn(true);
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(MediaType.TEXT_PLAIN));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(this.request);
HttpHeaders requestHeaders = new HttpHeaders();
given(this.request.getHeaders()).willReturn(requestHeaders);
given(converter.canWrite(String.class, null)).willReturn(true);
String body = "Hello World";
converter.write(body, null, this.request);
given(this.request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(MediaType.TEXT_PLAIN);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
Integer expected = 42;
given(converter.canRead(Integer.class, MediaType.TEXT_PLAIN)).willReturn(true);
given(converter.read(Integer.class, response)).willReturn(expected);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
HttpHeaders entityHeaders = new HttpHeaders();
entityHeaders.set("MyHeader", "MyValue");
HttpEntity<String> requestEntity = new HttpEntity<String>(body, entityHeaders);
ResponseEntity<Integer> result = template.exchange("http://example.com", HttpMethod.POST, requestEntity, Integer.class);
assertEquals("Invalid POST result", expected, result.getBody());
assertEquals("Invalid Content-Type", MediaType.TEXT_PLAIN, result.getHeaders().getContentType());
assertEquals("Invalid Accept header", MediaType.TEXT_PLAIN_VALUE, requestHeaders.getFirst("Accept"));
assertEquals("Invalid custom header", "MyValue", requestHeaders.getFirst("MyHeader"));
assertEquals("Invalid status code", HttpStatus.OK, result.getStatusCode());
verify(response).close();
}
@Test
@SuppressWarnings("rawtypes")
public void exchangeParameterizedType() throws Exception {
GenericHttpMessageConverter converter = mock(GenericHttpMessageConverter.class);
template.setMessageConverters(Collections.<HttpMessageConverter<?>>singletonList(converter));
ParameterizedTypeReference<List<Integer>> intList = new ParameterizedTypeReference<List<Integer>>() {};
given(converter.canRead(intList.getType(), null, null)).willReturn(true);
given(converter.getSupportedMediaTypes()).willReturn(Collections.singletonList(MediaType.TEXT_PLAIN));
given(requestFactory.createRequest(new URI("http://example.com"), HttpMethod.POST)).willReturn(this.request);
HttpHeaders requestHeaders = new HttpHeaders();
given(this.request.getHeaders()).willReturn(requestHeaders);
given(converter.canWrite(String.class, null)).willReturn(true);
String requestBody = "Hello World";
converter.write(requestBody, null, this.request);
given(this.request.execute()).willReturn(response);
given(errorHandler.hasError(response)).willReturn(false);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(MediaType.TEXT_PLAIN);
responseHeaders.setContentLength(10);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
given(response.getHeaders()).willReturn(responseHeaders);
List<Integer> expected = Collections.singletonList(42);
given(converter.canRead(intList.getType(), null, MediaType.TEXT_PLAIN)).willReturn(true);
given(converter.read(intList.getType(), null, response)).willReturn(expected);
given(response.getStatusCode()).willReturn(HttpStatus.OK);
HttpStatus status = HttpStatus.OK;
given(response.getStatusCode()).willReturn(status);
given(response.getStatusText()).willReturn(status.getReasonPhrase());
HttpHeaders entityHeaders = new HttpHeaders();
entityHeaders.set("MyHeader", "MyValue");
HttpEntity<String> requestEntity = new HttpEntity<String>(requestBody, entityHeaders);
ResponseEntity<List<Integer>> result = template.exchange("http://example.com", HttpMethod.POST, requestEntity, intList);
assertEquals("Invalid POST result", expected, result.getBody());
assertEquals("Invalid Content-Type", MediaType.TEXT_PLAIN, result.getHeaders().getContentType());
assertEquals("Invalid Accept header", MediaType.TEXT_PLAIN_VALUE, requestHeaders.getFirst("Accept"));
assertEquals("Invalid custom header", "MyValue", requestHeaders.getFirst("MyHeader"));
assertEquals("Invalid status code", HttpStatus.OK, result.getStatusCode());
verify(response).close();
}
}