This recipe is an example of how to inject Spring managed beans into integration test classes. Even for IT tests, whose first objective is to assess the backend as a blackbox, it is sometimes necessary to reach out technical objects from the intermediate layer.
We will see how to reuse an instance of a Spring managed datasource to be injected in our test class. This datasource will help us to build an instance of jdbcTemplate. From this jdbcTemplate, we will query the database and simulate/validate processes that couldn't be tested otherwise.
@Autowired a dataSource SpringBean in our UserControllerIT test. This bean is defined in the test-specific Spring configuration ...No credit card required