spring - 使用 jobLauncherTestUtils 的 Spring 批量集成测试
问题描述
我正在尝试编写我的批处理项目的集成测试。
我的集成测试定义:
@RunWith(SpringRunner.class)
@SpringBootTest
/* @Autowired
private JobLauncherTestUtils jobLauncherTestUtils;*/
public class BatchApplicationTests {
private static final String EXPECTED_FILE = "src/test/resources/users.csv";
private static final String OUTPUT_FILE = "src/main/resources//users.csv";
private static final String EXPECTED_FILE2 = "src/test/resources/users2.csv";
private static final String OUTPUT_FILE2 = "src/main/resources//users2.csv";
@Test
public void contextLoads() throws Exception{
System.out.println("Fake test ");
// JobExecution jobExecution = jobLauncherTestUtils.launchJob();
// JobExecution jobExecution = jobLauncherTestUtils.launchStep("step1");
// Assert.assertEquals("COMPLETED", jobExecution.getExitStatus().getExitCode());
//
//
// AssertFile.assertFileEquals(new FileSystemResource(EXPECTED_FILE),
// new FileSystemResource(OUTPUT_FILE));
//
// AssertFile.assertFileEquals(new FileSystemResource(EXPECTED_FILE2),
// new FileSystemResource(OUTPUT_FILE2));
}
Spring配置测试文件夹:
package test;
import com.mymoid.batch.configuration.BatchConfiguration;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Import;
@SpringBootConfiguration
@EnableAutoConfiguration
@Import({BatchTestConfig.class, BatchConfiguration.class})
public class TestServiceConfigIT {
}
BatchTestConfig 类:
@Configuration
public class BatchTestConfig {
@Bean
JobLauncherTestUtils jobLauncherTestUtils() {
return new JobLauncherTestUtils();
}
}
BatchConfiguration.class:
@Configuration
@EnableBatchProcessing
public class BatchConfiguration {
@Autowired
public JobBuilderFactory jobBuilderFactory;
@Autowired
public StepBuilderFactory stepBuilderFactory;
@Autowired
public DataSource dataSource;
@Bean
public JdbcCursorItemReader<User> reader(){
JdbcCursorItemReader<User> reader = new JdbcCursorItemReader<User>();
reader.setDataSource(dataSource);
reader.setSql("SELECT id,name FROM user");
reader.setRowMapper(new UserRowMapper());
return reader;
}
@Bean
public UserItemProcessor processor(){
return new UserItemProcessor();
}
@Bean
public FlatFileItemWriter<User> writer(){
FlatFileItemWriter<User> writer = new FlatFileItemWriter<User>();
final FileSystemResource fileSystemResource = new FileSystemResource("/Users/mymoid/projects/batch/src/main" +
"/resources/users.csv");
FlatFileHeaderCallback prueba= new FlatFileHeaderCallback() {
@Override
public void writeHeader(Writer writer) throws IOException {
writer.write("columna1,cloumna2");
}
};
writer.setHeaderCallback(prueba);
writer.setResource(fileSystemResource);
writer.setLineAggregator(new DelimitedLineAggregator<User>() {{
setDelimiter(",");
setFieldExtractor(new BeanWrapperFieldExtractor<User>() {{
setNames(new String[] { "address.id", "address.name" });
}});
}});
return writer;
}
@Bean
public FlatFileItemWriter<User> writer2(){
FlatFileItemWriter<User> writer = new FlatFileItemWriter<User>();
final FileSystemResource fileSystemResource = new FileSystemResource("/Users/mymoid/projects/batch/src/main" +
"/resources/users2.csv");
FlatFileHeaderCallback prueba= new FlatFileHeaderCallback() {
@Override
public void writeHeader(Writer writer) throws IOException {
writer.write("columna1");
}
};
writer.setHeaderCallback(prueba);
writer.setResource(fileSystemResource);
writer.setLineAggregator(new DelimitedLineAggregator<User>() {{
setDelimiter(",");
setFieldExtractor(new BeanWrapperFieldExtractor<User>() {{
setNames(new String[] { "id"});
}});
}});
return writer;
}
@Bean
public CompositeItemWriter compositeItemWritercomposite(){
FlatFileItemWriter<User> writer = new FlatFileItemWriter<User>();
writer.setResource(new ClassPathResource("users2.csv"));
writer.setLineAggregator(new DelimitedLineAggregator<User>() {{
setDelimiter(",");
setFieldExtractor(new BeanWrapperFieldExtractor<User>() {{
setNames(new String[] { "id"});
}});
}});
final FlatFileItemWriter writer1 = writer();
final FlatFileItemWriter<User> userFlatFileItemWriter = writer2();
List<ItemWriter<User>> writers = new ArrayList<>(2);
writers.add(writer1);
writers.add(userFlatFileItemWriter);
CompositeItemWriter itemWriter = new CompositeItemWriter();
itemWriter.setDelegates(writers);
return itemWriter;
}
@Bean OrderWriter orderWriter()
{
return new OrderWriter();
}
@Bean
public Step step1() {
return stepBuilderFactory.get("step1").<User, User> chunk(2)
.reader(reader())
.processor(processor())
.writer(compositeItemWritercomposite())
.build();
}
@Bean
public Job exportUserJob() {
return jobBuilderFactory.get("exportUserJob")
.incrementer(new RunIdIncrementer())
.flow(step1())
.end()
.build();
}
}
当我运行 contextLoads(测试用例为空)时,Spring 的运行方式与我运行主程序时的方式相同。如果我的代码的每一行都被注释,为什么 Spring 运行批处理?
解决方案
从SpringBootTest
注释的javadoc:
不使用嵌套@Configuration 时自动搜索@SpringBootConfiguration,并且未指定显式类。
在您的测试类中,您没有使用@contextConfiguration
或指定从哪些类加载应用程序上下文。所以 Spring Boot 会自动搜索 Spring Boot 配置,它会找到你的批处理作业配置并运行它。
spring.batch.job.enabled=false
您可以通过添加到您的application.properties
文件来禁用此功能。
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