RESOLVED - BATCH-1016: Create listener to promote items from Step ExecutionContext to Job ExecutionContext

applied patch and added unit test in core

spring-batch-core/src/test/java/org/springframework/batch/core/listener/ExecutionContextPromotionListenerTests.java

@@ -0,0 +1,47 @@
+package org.springframework.batch.core.listener;
+
+import static org.junit.Assert.*;
+
+import java.util.Collections;
+
+import org.junit.Test;
+import org.springframework.batch.core.JobExecution;
+import org.springframework.batch.core.StepExecution;
+import org.springframework.util.Assert;
+
+/**
+ * Tests for {@link ExecutionContextPromotionListener}.
+ */
+public class ExecutionContextPromotionListenerTests {
+
+	private ExecutionContextPromotionListener tested = new ExecutionContextPromotionListener();
+
+	private static final String key = "testKey";
+
+	private static final String value = "testValue";
+
+	@Test
+	public void promoteEntryFromStepToJobExectutionContext() throws Exception {
+
+		JobExecution jobExecution = new JobExecution(1L);
+		StepExecution stepExecution = jobExecution.createStepExecution("step1");
+
+		Assert.state(jobExecution.getExecutionContext().isEmpty());
+		Assert.state(stepExecution.getExecutionContext().isEmpty());
+
+		stepExecution.getExecutionContext().putString(key, value);
+
+		tested.setKeys(Collections.singletonList(key));
+		tested.afterPropertiesSet();
+
+		tested.afterStep(stepExecution);
+
+		assertEquals(value, jobExecution.getExecutionContext().getString(key));
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void keysMustBeSet() throws Exception {
+		// didn't set the keys, same as tested.setKeys(null);
+		tested.afterPropertiesSet();
+	}
+}