Add tests for JUnit5DescribedPredicates

src/test/java/com/enofex/taikai/test/JUnit5DescribedPredicatesTest.java

@@ -0,0 +1,80 @@
+package com.enofex.taikai.test;
+
+import static com.enofex.taikai.test.JUnit5DescribedPredicates.ANNOTATION_PARAMETRIZED_TEST;
+import static com.enofex.taikai.test.JUnit5DescribedPredicates.ANNOTATION_TEST;
+import static com.enofex.taikai.test.JUnit5DescribedPredicates.annotatedWithTestOrParameterizedTest;
+import static com.tngtech.archunit.lang.conditions.ArchConditions.beAnnotatedWith;
+import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.methods;
+
+import com.tngtech.archunit.core.domain.JavaClasses;
+import com.tngtech.archunit.core.importer.ClassFileImporter;
+import com.tngtech.archunit.lang.ArchRule;
+import com.tngtech.archunit.lang.conditions.ArchConditions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.EmptySource;
+
+class JUnit5DescribedPredicatesTest {
+
+  @Test
+  void shouldIdentifyClassesAnnotatedWithTestOrParameterizedTest() {
+    JavaClasses importedClasses = new ClassFileImporter().importClasses(
+        TestExample.class, ParameterizedTestExample.class);
+
+    ArchRule rule = methods().that(annotatedWithTestOrParameterizedTest(false))
+        .should(beAnnotatedWith(ANNOTATION_TEST)
+            .or(beAnnotatedWith(ANNOTATION_PARAMETRIZED_TEST)));
+
+    rule.check(importedClasses);
+  }
+
+  @Test
+  void shouldIdentifyClassesMetaAnnotatedWithTestOrParameterizedTest() {
+    JavaClasses importedClasses = new ClassFileImporter().importClasses(
+        MetaTestExample.class, MetaParameterizedTestExample.class);
+
+    ArchRule rule = methods().that(annotatedWithTestOrParameterizedTest(true))
+        .should(ArchConditions.beMetaAnnotatedWith(ANNOTATION_TEST)
+            .or(ArchConditions.beMetaAnnotatedWith(ANNOTATION_PARAMETRIZED_TEST)));
+
+    rule.check(importedClasses);
+  }
+
+  private static final class TestExample {
+
+    @Test
+    void testMethod() {
+    }
+  }
+
+  private static final class ParameterizedTestExample {
+
+    @ParameterizedTest
+    @EmptySource
+    void parameterizedTestMethod(String empty) {
+    }
+  }
+
+  private static class MetaTestExample {
+
+    @TestAnnotation
+    void metaTestMethod() {
+    }
+  }
+
+  private static final class MetaParameterizedTestExample {
+
+    @ParameterizedTestAnnotation
+    @EmptySource
+    void metaParameterizedTestMethod(String empty) {
+    }
+  }
+
+  @Test
+  private @interface TestAnnotation {
+  }
+
+  @ParameterizedTest
+  private @interface ParameterizedTestAnnotation {
+  }
+}