Test automation
The DGS framework provides you with classes and utilities that you can use to test GraphQL APIs.
Create a new file called ProductDatafetcherTest.java
inside the datafetchers
package in the test directory and add the following code:
@SpringBootTest(classes = {DgsAutoConfiguration.class,                   ProductDatafetcher.class,                   BigDecimalScalar.class}) public class ProductDatafetcherTest {   private final InMemRepository repo = new     InMemRepository();   private final int TEN = 10;   @Autowired   private DgsQueryExecutor dgsQueryExecutor;   @MockBean   private ProductService productService;   @MockBean   private TagService tagService; // continue…
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