/*
* Copyright 2002-2017 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.reactive.function.client;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.OptionalLong;
import java.util.Set;
import org.junit.Before;
import org.junit.Test;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.core.codec.StringDecoder;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DefaultDataBuffer;
import org.springframework.core.io.buffer.DefaultDataBufferFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpRange;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseCookie;
import org.springframework.http.client.reactive.ClientHttpResponse;
import org.springframework.http.codec.DecoderHttpMessageReader;
import org.springframework.http.codec.HttpMessageReader;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import static org.springframework.web.reactive.function.BodyExtractors.toMono;
/**
* @author Arjen Poutsma
*/
public class DefaultClientResponseTests {
private ClientHttpResponse mockResponse;
private ExchangeStrategies mockExchangeStrategies;
private DefaultClientResponse defaultClientResponse;
@Before
public void createMocks() {
mockResponse = mock(ClientHttpResponse.class);
mockExchangeStrategies = mock(ExchangeStrategies.class);
defaultClientResponse = new DefaultClientResponse(mockResponse, mockExchangeStrategies);
}
@Test
public void statusCode() throws Exception {
HttpStatus status = HttpStatus.CONTINUE;
when(mockResponse.getStatusCode()).thenReturn(status);
assertEquals(status, defaultClientResponse.statusCode());
}
@Test
public void header() throws Exception {
HttpHeaders httpHeaders = new HttpHeaders();
long contentLength = 42L;
httpHeaders.setContentLength(contentLength);
MediaType contentType = MediaType.TEXT_PLAIN;
httpHeaders.setContentType(contentType);
InetSocketAddress host = InetSocketAddress.createUnresolved("localhost", 80);
httpHeaders.setHost(host);
List<HttpRange> range = Collections.singletonList(HttpRange.createByteRange(0, 42));
httpHeaders.setRange(range);
when(mockResponse.getHeaders()).thenReturn(httpHeaders);
ClientResponse.Headers headers = defaultClientResponse.headers();
assertEquals(OptionalLong.of(contentLength), headers.contentLength());
assertEquals(Optional.of(contentType), headers.contentType());
assertEquals(httpHeaders, headers.asHttpHeaders());
}
@Test
public void cookies() throws Exception {
ResponseCookie cookie = ResponseCookie.from("foo", "bar").build();
MultiValueMap<String, ResponseCookie> cookies = new LinkedMultiValueMap<>();
cookies.add("foo", cookie);
when(mockResponse.getCookies()).thenReturn(cookies);
assertSame(cookies, defaultClientResponse.cookies());
}
@Test
public void body() throws Exception {
DefaultDataBufferFactory factory = new DefaultDataBufferFactory();
DefaultDataBuffer dataBuffer =
factory.wrap(ByteBuffer.wrap("foo".getBytes(StandardCharsets.UTF_8)));
Flux<DataBuffer> body = Flux.just(dataBuffer);
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setContentType(MediaType.TEXT_PLAIN);
when(mockResponse.getHeaders()).thenReturn(httpHeaders);
when(mockResponse.getBody()).thenReturn(body);
Set<HttpMessageReader<?>> messageReaders = Collections
.singleton(new DecoderHttpMessageReader<>(StringDecoder.allMimeTypes(true)));
when(mockExchangeStrategies.messageReaders()).thenReturn(messageReaders::stream);
Mono<String> resultMono = defaultClientResponse.body(toMono(String.class));
assertEquals("foo", resultMono.block());
}
@Test
public void bodyToMono() throws Exception {
DefaultDataBufferFactory factory = new DefaultDataBufferFactory();
DefaultDataBuffer dataBuffer =
factory.wrap(ByteBuffer.wrap("foo".getBytes(StandardCharsets.UTF_8)));
Flux<DataBuffer> body = Flux.just(dataBuffer);
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setContentType(MediaType.TEXT_PLAIN);
when(mockResponse.getHeaders()).thenReturn(httpHeaders);
when(mockResponse.getStatusCode()).thenReturn(HttpStatus.OK);
when(mockResponse.getBody()).thenReturn(body);
Set<HttpMessageReader<?>> messageReaders = Collections
.singleton(new DecoderHttpMessageReader<>(StringDecoder.allMimeTypes(true)));
when(mockExchangeStrategies.messageReaders()).thenReturn(messageReaders::stream);
Mono<String> resultMono = defaultClientResponse.bodyToMono(String.class);
assertEquals("foo", resultMono.block());
}
@Test
public void bodyToFlux() throws Exception {
DefaultDataBufferFactory factory = new DefaultDataBufferFactory();
DefaultDataBuffer dataBuffer =
factory.wrap(ByteBuffer.wrap("foo".getBytes(StandardCharsets.UTF_8)));
Flux<DataBuffer> body = Flux.just(dataBuffer);
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setContentType(MediaType.TEXT_PLAIN);
when(mockResponse.getHeaders()).thenReturn(httpHeaders);
when(mockResponse.getStatusCode()).thenReturn(HttpStatus.OK);
when(mockResponse.getBody()).thenReturn(body);
Set<HttpMessageReader<?>> messageReaders = Collections
.singleton(new DecoderHttpMessageReader<>(StringDecoder.allMimeTypes(true)));
when(mockExchangeStrategies.messageReaders()).thenReturn(messageReaders::stream);
Flux<String> resultFlux = defaultClientResponse.bodyToFlux(String.class);
Mono<List<String>> result = resultFlux.collectList();
assertEquals(Collections.singletonList("foo"), result.block());
}
}