109 lines
4.7 KiB
Java
109 lines
4.7 KiB
Java
package org.baeldung.batch;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.conn.ConnectTimeoutException;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.baeldung.batch.service.RetryItemProcessor;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.mockito.InjectMocks;
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import org.mockito.Mock;
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import org.mockito.MockitoAnnotations;
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import org.springframework.batch.core.ExitStatus;
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import org.springframework.batch.core.JobExecution;
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import org.springframework.batch.core.JobInstance;
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import org.springframework.batch.core.JobParameters;
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import org.springframework.batch.core.JobParametersBuilder;
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import org.springframework.batch.test.AssertFile;
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import org.springframework.batch.test.JobLauncherTestUtils;
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import org.springframework.batch.test.context.SpringBatchTest;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.core.io.FileSystemResource;
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import org.springframework.test.annotation.DirtiesContext;
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import org.springframework.test.annotation.DirtiesContext.ClassMode;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.TestExecutionListeners;
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import org.springframework.test.context.junit4.SpringRunner;
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import org.springframework.test.context.support.DependencyInjectionTestExecutionListener;
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import org.springframework.test.context.support.DirtiesContextTestExecutionListener;
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import static org.hamcrest.CoreMatchers.containsString;
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import static org.hamcrest.Matchers.is;
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import static org.junit.Assert.assertThat;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.Mockito.when;
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@RunWith(SpringRunner.class)
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@SpringBatchTest
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@EnableAutoConfiguration
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@ContextConfiguration(classes = { SpringBatchRetryConfig.class })
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@TestExecutionListeners({ DependencyInjectionTestExecutionListener.class, DirtiesContextTestExecutionListener.class })
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@DirtiesContext(classMode = ClassMode.AFTER_CLASS)
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public class SpringBatchRetryIntegrationTest {
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private static final String TEST_OUTPUT = "xml/retryOutput.xml";
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private static final String EXPECTED_OUTPUT = "src/test/resources/output/batchRetry/retryOutput.xml";
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@Autowired
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private JobLauncherTestUtils jobLauncherTestUtils;
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@Mock
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private CloseableHttpClient httpClient;
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@Mock
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private CloseableHttpResponse httpResponse;
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@InjectMocks
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@Autowired
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private RetryItemProcessor retryItemProcessor;
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@Before
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public void setup() {
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MockitoAnnotations.initMocks(this);
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}
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private JobParameters defaultJobParameters() {
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JobParametersBuilder paramsBuilder = new JobParametersBuilder();
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paramsBuilder.addString("jobID", String.valueOf(System.currentTimeMillis()));
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return paramsBuilder.toJobParameters();
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}
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@Test
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public void whenEndpointAlwaysFailing_thenJobFails() throws Exception {
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when(httpClient.execute(any())).thenThrow(new ConnectTimeoutException("Endpoint is down"));
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JobExecution jobExecution = jobLauncherTestUtils.launchJob(defaultJobParameters());
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JobInstance actualJobInstance = jobExecution.getJobInstance();
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ExitStatus actualJobExitStatus = jobExecution.getExitStatus();
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assertThat(actualJobInstance.getJobName(), is("retryBatchJob"));
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assertThat(actualJobExitStatus.getExitCode(), is("FAILED"));
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assertThat(actualJobExitStatus.getExitDescription(), containsString("org.apache.http.conn.ConnectTimeoutException"));
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}
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@Test
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public void whenEndpointFailsTwiceAndPassesThirdTime_thenSuccess() throws Exception {
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FileSystemResource expectedResult = new FileSystemResource(EXPECTED_OUTPUT);
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FileSystemResource actualResult = new FileSystemResource(TEST_OUTPUT);
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//fails for first two calls and passes third time onwards
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when(httpResponse.getEntity()).thenReturn(new StringEntity("{ \"age\":10, \"postCode\":\"430222\" }"));
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when(httpClient.execute(any()))
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.thenThrow(new ConnectTimeoutException("Timeout count 1"))
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.thenThrow(new ConnectTimeoutException("Timeout count 2"))
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.thenReturn(httpResponse);
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JobExecution jobExecution = jobLauncherTestUtils.launchJob(defaultJobParameters());
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JobInstance actualJobInstance = jobExecution.getJobInstance();
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ExitStatus actualJobExitStatus = jobExecution.getExitStatus();
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assertThat(actualJobInstance.getJobName(), is("retryBatchJob"));
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assertThat(actualJobExitStatus.getExitCode(), is("COMPLETED"));
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AssertFile.assertFileEquals(expectedResult, actualResult);
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}
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}
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