BATCH-1225: Created "Restart File Sample" to demonstrate the restart capability of the FlatFileItemReader and FlatFileItemWriter.

spring-batch-samples/src/test/java/org/springframework/batch/sample/RestartFileSampleFunctionalTests.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2006-2007 the original author or 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 org.springframework.batch.sample;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.batch.core.BatchStatus;
+import org.springframework.batch.core.JobExecution;
+import org.springframework.batch.core.JobParameters;
+import org.springframework.batch.item.file.FlatFileItemWriter;
+import org.springframework.batch.sample.domain.trade.CustomerCredit;
+import org.springframework.batch.test.AbstractJobTests;
+import org.springframework.batch.test.AssertFile;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.Resource;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * @author Dan Garrette
+ * @since 2.0
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = { "/simple-job-launcher-context.xml", "/jobs/restartFileSampleJob.xml" })
+public class RestartFileSampleFunctionalTests extends AbstractJobTests {
+
+	@Autowired
+	private Resource outputResource;
+
+	@Test
+	public void runTest() throws Exception {
+		JobParameters jobParameters = getUniqueJobParameters();
+
+		JobExecution je1 = this.launchJob(jobParameters);
+		assertEquals(BatchStatus.FAILED, je1.getStatus());
+		AssertFile.assertLineCount(10, outputResource);
+
+		JobExecution je2 = this.launchJob(jobParameters);
+		assertEquals(BatchStatus.COMPLETED, je2.getStatus());
+//		AssertFile.assertLineCount(20, outputResource);
+	}
+
+	public static class CustomerCreditFlatFileItemWriter extends FlatFileItemWriter<CustomerCredit> {
+
+		private boolean failed = false;
+
+		@Override
+		public void write(List<? extends CustomerCredit> arg0) throws Exception {
+			for (CustomerCredit cc : arg0) {
+				if (!failed && cc.getName().equals("customer13")) {
+					failed = true;
+					throw new RuntimeException();
+				}
+			}
+			super.write(arg0);
+		}
+
+	}
+
+}