103 lines
3.1 KiB
Java
103 lines
3.1 KiB
Java
package com.baeldung.okhttp;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.google.gson.Gson;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.ResponseBody;
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import okhttp3.mockwebserver.MockResponse;
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import okhttp3.mockwebserver.MockWebServer;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.ExpectedException;
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import java.io.InputStreamReader;
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public class ResponseDecoderUnitTest {
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@Rule public ExpectedException exceptionRule = ExpectedException.none();
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@Rule public MockWebServer server = new MockWebServer();
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SimpleEntity sampleResponse;
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MockResponse mockResponse;
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OkHttpClient client;
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@Before
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public void setUp() {
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sampleResponse = new SimpleEntity("Baeldung");
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client = new OkHttpClient.Builder().build();
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mockResponse = new MockResponse()
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.setResponseCode(200)
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.setHeader("Content-Type", "application/json")
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.setBody(new Gson().toJson(sampleResponse));
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}
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@Test
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public void givenJacksonDecoder_whenGetStringOfResponse_thenExpectSimpleEntity() throws Exception {
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server.enqueue(mockResponse);
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Request request = new Request.Builder()
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.url(server.url(""))
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.build();
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ResponseBody responseBody = client
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.newCall(request)
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.execute()
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.body();
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Assert.assertNotNull(responseBody);
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Assert.assertNotEquals(0, responseBody.contentLength());
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ObjectMapper objectMapper = new ObjectMapper();
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SimpleEntity entity = objectMapper.readValue(responseBody.string(), SimpleEntity.class);
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Assert.assertNotNull(entity);
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Assert.assertEquals(sampleResponse.getName(), entity.getName());
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}
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@Test
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public void givenGsonDecoder_whenGetByteStreamOfResponse_thenExpectSimpleEntity() throws Exception {
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server.enqueue(mockResponse);
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Request request = new Request.Builder()
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.url(server.url(""))
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.build();
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ResponseBody responseBody = client
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.newCall(request)
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.execute()
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.body();
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Assert.assertNotNull(responseBody);
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Assert.assertNotEquals(0, responseBody.contentLength());
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Gson gson = new Gson();
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SimpleEntity entity = gson.fromJson(new InputStreamReader(responseBody.byteStream()), SimpleEntity.class);
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Assert.assertNotNull(entity);
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Assert.assertEquals(sampleResponse.getName(), entity.getName());
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}
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@Test
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public void givenGsonDecoder_whenGetStringOfResponse_thenExpectSimpleEntity() throws Exception {
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server.enqueue(mockResponse);
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Request request = new Request.Builder()
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.url(server.url(""))
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.build();
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ResponseBody responseBody = client
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.newCall(request)
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.execute()
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.body();
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Assert.assertNotNull(responseBody);
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Gson gson = new Gson();
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SimpleEntity entity = gson.fromJson(responseBody.string(), SimpleEntity.class);
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Assert.assertNotNull(entity);
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Assert.assertEquals(sampleResponse.getName(), entity.getName());
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}
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}
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