Example usage for org.springframework.batch.test StepScopeTestUtils doInStepScope

Introduction

In this page you can find the example usage for org.springframework.batch.test StepScopeTestUtils doInStepScope.

Prototype

public static <T> T doInStepScope(StepExecution stepExecution, Callable<T> callable) throws Exception 

Source Link

Usage

From source file:de.langmi.spring.batch.examples.readers.file.flatfileitemreader.FlatFileItemReaderDoInStepscopeTest.java

/**
 * Test should read succesfully.//from www.j a v a  2 s .c  om
 *
 * @throws Exception 
 */
@Test
public void testSuccessfulReading() throws Exception {
    // setup
    Map<String, JobParameter> jobParametersMap = new HashMap<String, JobParameter>();
    jobParametersMap.put("time", new JobParameter(System.currentTimeMillis()));
    jobParametersMap.put("input.file", new JobParameter("file:src/test/resources/input/file/simple/input.txt"));
    StepExecution execution = MetaDataInstanceFactory.createStepExecution(new JobParameters(jobParametersMap));

    int count = StepScopeTestUtils.doInStepScope(execution, new Callable<Integer>() {

        @Override
        public Integer call() throws Exception {

            int count = 0;

            itemReaderStream.open(new ExecutionContext());

            String line;
            try {
                while ((line = itemReaderStream.read()) != null) {
                    assertEquals(String.valueOf(count), line);
                    count++;
                }
            } finally {
                itemReaderStream.close();
            }
            return count;

        }
    });
    assertEquals(EXPECTED_COUNT, count);
}

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