Add another test for generic types where subtypes are implemented

Author: rbygrave

inject-test/src/test/java/org/example/generic/MzCrudService.java

@@ -0,0 +1,24 @@
+package org.example.generic;
+
+import io.avaje.inject.Component;
+
+import java.util.Optional;
+
+@Component
+public class MzCrudService implements CRUDService<MzObj, Integer> {
+
+  @Override
+  public String iamCrud() {
+    return "MzCrud";
+  }
+
+  @Override
+  public Integer create(MzObj bean) {
+    return 92;
+  }
+
+  @Override
+  public Optional<MzObj> get(Integer id) {
+    return Optional.of(new MzObj());
+  }
+}

inject-test/src/test/java/org/example/generic/MzCrudServiceTest.java

@@ -0,0 +1,27 @@
+package org.example.generic;
+
+import io.avaje.inject.BeanScope;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+class MzCrudServiceTest {
+
+  @Test
+  void test() {
+    try (BeanScope beanScope = BeanScope.builder().build()) {
+      MzCrudService crud = beanScope.get(MzCrudService.class);
+      ReadService<MzObj,Integer> read = beanScope.get(MzCrudService$DI.TYPE_ReadServiceMzObjInteger, null);
+      CreateService<MzObj,Integer> create = beanScope.get(MzCrudService$DI.TYPE_CreateServiceMzObjInteger, null);
+
+      assertNotNull(crud);
+      assertThat(crud).isSameAs(read);
+      assertThat(crud).isSameAs(create);
+
+      assertThat(crud.iamCrud()).isEqualTo("MzCrud");
+      assertThat(create.create(new MzObj())).isEqualTo(92);
+      assertThat(read.get(42)).isNotEmpty();
+    }
+  }
+}

inject-test/src/test/java/org/example/generic/MzObj.java

@@ -0,0 +1,4 @@
+package org.example.generic;
+
+public class MzObj {
+}