/*

* Copyright 2013 Netflix, Inc.

*

* 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 feign;

import org.junit.Test;

import java.util.Arrays;

import java.util.Collection;

import java.util.Collections;

import java.util.LinkedHashMap;

import java.util.List;

import java.util.Map;

import static feign.assertj.FeignAssertions.assertThat;

import static org.assertj.core.api.Assertions.entry;

public class ResponseTest {

@Test

public void reasonPhraseIsOptional() {

Response response = Response.create(200, null /* reason phrase */, Collections.

<String, Collection<String>>emptyMap(), new byte[0]);

assertThat(response.reason()).isNull();

assertThat(response.toString()).isEqualTo("HTTP/1.1 200\n\n");

}

@Test

public void lowerCasesNamesOfHeaders() {

Response response = Response.create(200,

null,

Collections.singletonMap("Content-Type",

Collections.singletonList("application/json")),

new byte[0]);

assertThat(response.headers()).containsOnly(entry(("content-type"), Collections.singletonList("application/json")));

}

@Test

public void canAccessHeadersCaseInsensitively() {

List<String> valueList = Collections.singletonList("application/json");

Response response = Response.create(200,

null,

Collections.singletonMap("Content-Type", valueList),

new byte[0]);

assertThat(response.headers().get("content-type")).isEqualTo(valueList);

assertThat(response.headers().get("Content-Type")).isEqualTo(valueList);

}

@Test

public void headerValuesWithSameNameOnlyVaryingInCaseAreMerged() {

Map<String, Collection<String>> headersMap = new LinkedHashMap<>();

headersMap.put("Set-Cookie", Arrays.asList("Cookie-A=Value", "Cookie-B=Value"));

headersMap.put("set-cookie", Arrays.asList("Cookie-C=Value"));

Response response = Response.create(200, null, headersMap, new byte[0]);

List<String> expectedHeaderValue = Arrays.asList("Cookie-A=Value", "Cookie-B=Value", "Cookie-C=Value");

assertThat(response.headers()).containsOnly(entry(("set-cookie"), expectedHeaderValue));

}

}