elkkhan commented on code in PR #12320: URL: https://github.com/apache/kafka/pull/12320#discussion_r912470478
########## connect/runtime/src/test/java/org/apache/kafka/connect/runtime/rest/RestClientTest.java: ########## @@ -0,0 +1,128 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.apache.kafka.connect.runtime.rest; + +import com.fasterxml.jackson.annotation.JsonCreator; +import com.fasterxml.jackson.annotation.JsonProperty; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.apache.kafka.connect.runtime.WorkerConfig; +import org.apache.kafka.connect.runtime.rest.entities.ErrorMessage; +import org.apache.kafka.connect.runtime.rest.errors.ConnectRestException; +import org.eclipse.jetty.client.HttpClient; +import org.eclipse.jetty.client.api.ContentResponse; +import org.eclipse.jetty.client.api.Request; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import javax.ws.rs.core.Response; +import java.util.Collections; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.TimeoutException; + +import static org.easymock.EasyMock.anyString; +import static org.easymock.EasyMock.expect; +import static org.easymock.EasyMock.niceMock; +import static org.easymock.EasyMock.replay; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNull; +import static org.junit.jupiter.api.Assertions.assertThrows; + +public class RestClientTest { + + private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper(); + private static final TypeReference<TestDTO> TEST_TYPE = new TypeReference<TestDTO>() { + }; + private HttpClient httpClient; + + private static String toJsonString(Object obj) { + try { + return OBJECT_MAPPER.writeValueAsString(obj); + } catch (JsonProcessingException e) { + throw new RuntimeException(e); + } + } + + private static <T> RestClient.HttpResponse<T> httpRequest(HttpClient httpClient, TypeReference<T> typeReference) { + return RestClient.httpRequest( + httpClient, null, null, null, null, typeReference, null, null); + } + + @BeforeEach + public void mockSetup() { + httpClient = niceMock(HttpClient.class); + } + + @Test + public void testSuccess() throws ExecutionException, InterruptedException, TimeoutException { + int statusCode = Response.Status.OK.getStatusCode(); + String expectedResponse = toJsonString(new TestDTO("someContent")); + setupHttpClient(statusCode, expectedResponse); + + RestClient.HttpResponse<TestDTO> httpResp = httpRequest(httpClient, TEST_TYPE); + assertEquals(httpResp.status(), statusCode); + assertEquals(toJsonString(httpResp.body()), expectedResponse); + } + + @Test + public void testNoContent() throws ExecutionException, InterruptedException, TimeoutException { + int statusCode = Response.Status.NO_CONTENT.getStatusCode(); + setupHttpClient(statusCode, null); + + RestClient.HttpResponse<TestDTO> httpResp = httpRequest(httpClient, TEST_TYPE); + assertEquals(httpResp.status(), statusCode); + assertNull(httpResp.body()); + } + + @Test + public void testError() throws ExecutionException, InterruptedException, TimeoutException { + int statusCode = Response.Status.CONFLICT.getStatusCode(); + ErrorMessage errorMsg = new ErrorMessage(Response.Status.GONE.getStatusCode(), "Some Error Message"); + setupHttpClient(statusCode, toJsonString(errorMsg)); + ConnectRestException e = assertThrows(ConnectRestException.class, () -> httpRequest(httpClient, TEST_TYPE)); + assertEquals(e.statusCode(), statusCode); + assertEquals(e.errorCode(), errorMsg.errorCode()); + assertEquals(e.getMessage(), errorMsg.message()); + } + + private void setupHttpClient(int responseCode, String responseJsonString) throws ExecutionException, InterruptedException, TimeoutException { + WorkerConfig workerConf = niceMock(WorkerConfig.class); + expect(workerConf.originals()).andReturn(Collections.emptyMap()); Review Comment: true, thanks for noticing - I don't remember anymore what was the intent behind it :) removed -- This is an automated message from the Apache Git Service. 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