Tests are not being generated based on contracts in java. I used gradle to configure spring-cloud-contract and used java for contracts. When I run ./gradlew clean build -x test, it throws illegal state exception because of absence of contract tests which I configured in build.gradle (throw new IllegalStateException("No tests were found. Failing the build")).

build.gradle:

contracts {
      contractsDslDir = file("src/test/resources/contracts")
      testFramework = "JUNIT"
      packageWithBaseClasses = 'com.epam.training.microservicefoundation.resourceservice'
      baseClassMappings {
      baseClassMapping(".rest.*", "com.epam.training.microservicefoundation.resourceservice.RestBase")
   }
   contractsDslDir = new File(project.rootDir, "src/test/java/contracts")
}

contractTest {
    useJUnitPlatform()
    testLogging {
       exceptionFormat = 'full'
    }
    afterSuite { desc, result ->
       if (!desc.parent) {
           println "Results: (${result.testCount} tests, ${result.successfulTestCount} successes, ${result.failedTestCount} failures, ${result.skippedTestCount} skipped)"
           boolean skipTests = Boolean.parseBoolean(project.findProperty('SKIP_TESTS') ?: "false")
         if (result.testCount == 0 && !skipTests) {
            throw new IllegalStateException("No tests were found. Failing the build")
         }
       }
    }
}

publishing {
    publications {
        mavenJava(MavenPublication) {
           artifact bootJar

           artifact verifierStubsJar

        // https://github.com/spring-gradle-plugins/dependency-management-plugin/issues/273
           versionMapping {
               usage("java-api") {
                   fromResolutionOf("runtimeClasspath")
               }
               usage("java-runtime") {
                   fromResolutionResult()
               }
           }
       }
    }
}

contract in java:

public class shouldGet implements Supplier<Contract> {

   @Override
   public Contract get() {
       return Contract.make(contract -> {
           contract.request(request -> {
               request.method("GET");
               request.url("/api/v1/resources/123");
               request.headers(headers -> headers.accept(ResourceType.MP3.getMimeType()));
           });
           contract.response(response -> {
               response.status(response.OK());
               response.body(response.fileAsBytes("resources/files/mpthreetest.mp3"));
               response.headers(headers -> headers.contentType(ResourceType.MP3.getMimeType()));
           });
      });
   }
}

base class for generated class by producer:

public abstract class RestBase {
ResourceController resourceController;

   @BeforeEach
   public void setup() {
       resourceController = new ResourceController(new FakeResourceService());
       EncoderConfig encoderConfig = new EncoderConfig().appendDefaultContentCharsetToContentTypeIfUndefined(false);
       RestAssuredMockMvc.config = new RestAssuredMockMvcConfig().encoderConfig(encoderConfig);
       RestAssuredMockMvc.standaloneSetup(resourceController);

   }

   static class FakeResourceService implements ResourceService {

       @Override
       public ResourceRecord save(MultipartFile file) {
           return null;
       }

       @Override
       public InputStreamResource getById(long id) {
           try {
               File file = ResourceUtils.getFile("classpath:files/mpthreetest.mp3");
               return new InputStreamResource(new FileInputStream(file));
           } catch (FileNotFoundException ex) {
               return null;
           }
       }

       @Override
       public List<ResourceRecord> deleteByIds(long[] ids) {
           return null;
       }
   }
}

file structure:

output of generated tests in build file:

@SuppressWarnings("rawtypes")
public class RestTest extends RestBase {

}

there is no any test generated, but there should be corresponding test based on contract shouldGet.java

CodePudding user response：

You're skipping tests execution so when no tests are found the build is failing, what else would you expect?

CodePudding user response：

I realized that the issue was related to the response body in the contract: response.body(response.fileAsBytes("resources/files/mpthreetest.mp3")); Apparently the it could not read from the resources folder, after I move the file to same package where the contract file located, then the issue was resolved:

And, changed the response body to response.body(response.fileAsBytes("mpthreetest.mp3"));