| /* |
| * 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.batchee.extras; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import javax.batch.api.chunk.AbstractItemWriter; |
| import javax.batch.operations.JobOperator; |
| import javax.batch.runtime.BatchRuntime; |
| |
| import org.apache.batchee.extras.buffered.BufferedItemReader; |
| import org.apache.batchee.util.Batches; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class BufferedItemReaderTest { |
| |
| @Test |
| public void testBufferedRead() throws Exception { |
| DummyWriter.getItems().clear(); |
| |
| final JobOperator jobOperator = BatchRuntime.getJobOperator(); |
| Batches.waitForEnd(jobOperator, jobOperator.start("buffered-read", new Properties())); |
| |
| Assert.assertEquals(DummyWriter.getItems().size(), 3); |
| Assert.assertEquals(DummyWriter.getItems().get(0), "A"); |
| Assert.assertEquals(DummyWriter.getItems().get(1), "B"); |
| Assert.assertEquals(DummyWriter.getItems().get(2), "C"); |
| } |
| |
| @Test |
| public void testBufferedRead_iterableNull() throws Exception { |
| DummyWriter.getItems().clear(); |
| |
| JobOperator jobOperator = BatchRuntime.getJobOperator(); |
| Batches.waitForEnd(jobOperator, jobOperator.start("buffered-read-null", new Properties())); |
| |
| Assert.assertTrue(DummyWriter.getItems().isEmpty(), "items must be empty"); |
| } |
| |
| |
| public static class MyBufferedItemReader extends BufferedItemReader<String> { |
| @Override |
| public Iterator<String> readAllItems() { |
| return Arrays.asList("A", "B", "C").iterator(); |
| } |
| } |
| |
| public static class MyNullBufferedItemReader extends BufferedItemReader<Number> { |
| |
| @Override |
| public Iterator<Number> readAllItems() { |
| return null; |
| } |
| } |
| |
| public static class DummyWriter extends AbstractItemWriter { |
| private static List<Object> items = new ArrayList<Object>(); |
| |
| @Override |
| public void writeItems(List<Object> items) throws Exception { |
| this.items.addAll(items); |
| } |
| |
| public static List<Object> getItems() { |
| return items; |
| } |
| } |
| } |