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| 1 | +package org.springframework.batch.test; |
| 2 | +/* |
| 3 | + * Copyright 2020-2022 the original author or authors. |
| 4 | + * |
| 5 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | + * you may not use this file except in compliance with the License. |
| 7 | + * You may obtain a copy of the License at |
| 8 | + * |
| 9 | + * https://www.apache.org/licenses/LICENSE-2.0 |
| 10 | + * |
| 11 | + * Unless required by applicable law or agreed to in writing, software |
| 12 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | + * See the License for the specific language governing permissions and |
| 15 | + * limitations under the License. |
| 16 | + */ |
| 17 | + |
| 18 | +import static org.junit.Assert.assertEquals; |
| 19 | +import static org.mockito.Mockito.mock; |
| 20 | + |
| 21 | +import java.lang.reflect.Constructor; |
| 22 | +import java.lang.reflect.Field; |
| 23 | +import org.junit.jupiter.api.BeforeEach; |
| 24 | +import org.junit.jupiter.api.Test; |
| 25 | +import org.springframework.batch.core.repository.JobRepository; |
| 26 | +import org.springframework.batch.core.step.builder.AbstractTaskletStepBuilder; |
| 27 | +import org.springframework.batch.core.step.builder.SimpleStepBuilder; |
| 28 | +import org.springframework.batch.core.step.builder.StepBuilderHelper; |
| 29 | +import org.springframework.batch.item.ItemProcessor; |
| 30 | +import org.springframework.batch.item.ItemReader; |
| 31 | +import org.springframework.batch.item.ItemWriter; |
| 32 | +import org.springframework.batch.test.context.SpringBatchTest; |
| 33 | +import org.springframework.core.task.SimpleAsyncTaskExecutor; |
| 34 | +import org.springframework.core.task.TaskExecutor; |
| 35 | +import org.springframework.test.context.junit.jupiter.SpringJUnitConfig; |
| 36 | + |
| 37 | +/** |
| 38 | + * Test cases for verifying the {@link AbstractTaskletStepBuilder} and faultTolerant() functionality. |
| 39 | + * |
| 40 | + * @author Ilpyo Yang |
| 41 | + */ |
| 42 | +@SpringBatchTest |
| 43 | +@SpringJUnitConfig |
| 44 | +public class AbstractTaskletStepBuilderTests { |
| 45 | + private final JobRepository jobRepository = mock(JobRepository.class); |
| 46 | + private final int chunkSize = 10; |
| 47 | + private final ItemReader itemReader = mock(ItemReader.class); |
| 48 | + private final ItemProcessor itemProcessor = mock(ItemProcessor.class); |
| 49 | + private final ItemWriter itemWriter = mock(ItemWriter.class); |
| 50 | + private final SimpleAsyncTaskExecutor taskExecutor = new SimpleAsyncTaskExecutor(); |
| 51 | + SimpleStepBuilder simpleStepBuilder; |
| 52 | + |
| 53 | + private <T> T accessPrivateField(Object o, String fieldName) throws ReflectiveOperationException { |
| 54 | + Field field = o.getClass().getDeclaredField(fieldName); |
| 55 | + field.setAccessible(true); |
| 56 | + return (T) field.get(o); |
| 57 | + } |
| 58 | + |
| 59 | + private <T> T accessSuperClassPrivateField(Object o, String fieldName) throws ReflectiveOperationException { |
| 60 | + Field field = o.getClass().getSuperclass().getDeclaredField(fieldName); |
| 61 | + field.setAccessible(true); |
| 62 | + return (T) field.get(o); |
| 63 | + } |
| 64 | + |
| 65 | + @BeforeEach |
| 66 | + void set(){ |
| 67 | + StepBuilderHelper stepBuilderHelper = new StepBuilderHelper("test", jobRepository) { |
| 68 | + @Override |
| 69 | + protected StepBuilderHelper self() { |
| 70 | + return null; |
| 71 | + } |
| 72 | + }; |
| 73 | + simpleStepBuilder = new SimpleStepBuilder(stepBuilderHelper); |
| 74 | + simpleStepBuilder.chunk(chunkSize); |
| 75 | + simpleStepBuilder.reader(itemReader); |
| 76 | + simpleStepBuilder.processor(itemProcessor); |
| 77 | + simpleStepBuilder.writer(itemWriter); |
| 78 | + } |
| 79 | + |
| 80 | + @Test |
| 81 | + void copyConstractorTest() throws ReflectiveOperationException { |
| 82 | + Constructor<SimpleStepBuilder> constructor = SimpleStepBuilder.class.getDeclaredConstructor(SimpleStepBuilder.class); |
| 83 | + constructor.setAccessible(true); |
| 84 | + SimpleStepBuilder copySimpleStepBuilder = constructor.newInstance(simpleStepBuilder); |
| 85 | + |
| 86 | + int copyChunkSize = accessPrivateField(copySimpleStepBuilder, "chunkSize"); |
| 87 | + ItemReader copyItemReader = accessPrivateField(copySimpleStepBuilder, "reader"); |
| 88 | + ItemProcessor copyItemProcessor = accessPrivateField(copySimpleStepBuilder, "processor"); |
| 89 | + ItemWriter copyItemWriter = accessPrivateField(copySimpleStepBuilder, "writer"); |
| 90 | + |
| 91 | + assertEquals(chunkSize, copyChunkSize); |
| 92 | + assertEquals(itemReader, copyItemReader); |
| 93 | + assertEquals(itemProcessor, copyItemProcessor); |
| 94 | + assertEquals(itemWriter, copyItemWriter); |
| 95 | + } |
| 96 | + |
| 97 | + @Test |
| 98 | + void faultTolerantMethodTest() throws ReflectiveOperationException { |
| 99 | + simpleStepBuilder.taskExecutor(taskExecutor); // The task executor is set before faultTolerant() |
| 100 | + simpleStepBuilder.faultTolerant(); |
| 101 | + |
| 102 | + int afterChunkSize = accessPrivateField(simpleStepBuilder, "chunkSize"); |
| 103 | + ItemReader afterItemReader = accessPrivateField(simpleStepBuilder, "reader"); |
| 104 | + ItemProcessor afterItemProcessor = accessPrivateField(simpleStepBuilder, "processor"); |
| 105 | + ItemWriter afterItemWriter = accessPrivateField(simpleStepBuilder, "writer"); |
| 106 | + TaskExecutor afterTaskExecutor = accessSuperClassPrivateField(simpleStepBuilder, "taskExecutor"); |
| 107 | + |
| 108 | + assertEquals(chunkSize, afterChunkSize); |
| 109 | + assertEquals(itemReader, afterItemReader); |
| 110 | + assertEquals(itemProcessor, afterItemProcessor); |
| 111 | + assertEquals(itemWriter, afterItemWriter); |
| 112 | + assertEquals(taskExecutor, afterTaskExecutor); |
| 113 | + } |
| 114 | +} |
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