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JsonCodecTest.java
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/**
* Copyright 2012-2021 The Feign 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 feign.json;
import feign.Feign;
import feign.Param;
import feign.Request;
import feign.RequestLine;
import feign.mock.HttpMethod;
import feign.mock.MockClient;
import feign.mock.MockTarget;
import org.json.JSONArray;
import org.json.JSONObject;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import static feign.Util.toByteArray;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
interface GitHub {
@RequestLine("GET /repos/{owner}/{repo}/contributors")
JSONArray contributors(@Param("owner") String owner, @Param("repo") String repo);
@RequestLine("POST /repos/{owner}/{repo}/contributors")
JSONObject create(@Param("owner") String owner,
@Param("repo") String repo,
JSONObject contributor);
}
public class JsonCodecTest {
private GitHub github;
private MockClient mockClient;
@Before
public void setUp() {
mockClient = new MockClient();
github = Feign.builder()
.decoder(new JsonDecoder())
.encoder(new JsonEncoder())
.client(mockClient)
.target(new MockTarget<>(GitHub.class));
}
@Test
public void decodes() throws IOException {
try (InputStream input = getClass().getResourceAsStream("/fixtures/contributors.json")) {
byte[] response = toByteArray(input);
mockClient.ok(HttpMethod.GET, "/repos/openfeign/feign/contributors", response);
JSONArray contributors = github.contributors("openfeign", "feign");
assertThat(contributors.toList(), hasSize(30));
contributors.forEach(contributor -> ((JSONObject) contributor).getString("login"));
}
}
@Test
public void encodes() {
JSONObject contributor = new JSONObject();
contributor.put("login", "radio-rogal");
contributor.put("contributions", 0);
mockClient.ok(HttpMethod.POST, "/repos/openfeign/feign/contributors",
"{\"login\":\"radio-rogal\",\"contributions\":0}");
JSONObject response = github.create("openfeign", "feign", contributor);
Request request = mockClient.verifyOne(HttpMethod.POST, "/repos/openfeign/feign/contributors");
assertNotNull(request.body());
String json = new String(request.body());
assertThat(json, containsString("\"login\":\"radio-rogal\""));
assertThat(json, containsString("\"contributions\":0"));
assertEquals("radio-rogal", response.getString("login"));
assertEquals(0, response.getInt("contributions"));
}
}