concept JobLauncherTestUtils in category spring

This is an excerpt from Manning's book Spring Batch in Action. Login to get full access to this book.

We finish this chapter with The Big One: testing an entire job—an easy task with all that we’ve learned. With the help of the Spring TestContext framework and the JobLauncherTestUtils class, it takes only a few lines of code to do the job, as demonstrated in the following listing.

Listing 14.19. Testing a whole job

You start with Spring injecting a JobLauncherTestUtils , then call launchJob , and check the batch status. Finally, you count product table rows, and that’s all! You have successfully tested a whole batch job!

14.4.1. Introducing JobLauncherTestUtils

The JobLauncherTestUtils class is another class from the Spring Batch Test module to help you test a single Step or Job. The JobLauncherTestUtils class automatically injects a job by type from the application context; this implies that there’s only one batch job in your test application context. This is a best practice. With JobLauncherTestUtils, you can launch a single step of a job by specifying the step name. You can also specify job parameters. The following snippet shows how to launch only one step: