unit tests

Signed-off-by: Attila Mészáros <csviri@gmail.com>

Author: csviri

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/event/source/informer/Mappers.java

@@ -42,6 +42,11 @@ public static <T extends HasMetadata> SecondaryToPrimaryMapper<T> fromLabel(
     return fromMetadata(nameKey, namespaceKey, true);
   }
 
+  public static <T extends HasMetadata> SecondaryToPrimaryMapper<T> fromOwnerReferences(
+      Class<? extends HasMetadata> primaryResourceType) {
+    return fromOwnerReferences(primaryResourceType, false);
+  }
+
   public static <T extends HasMetadata> SecondaryToPrimaryMapper<T> fromOwnerReferences(
       Class<? extends HasMetadata> primaryResourceType, boolean clusterScoped) {
     return fromOwnerReferences(HasMetadata.getApiVersion(primaryResourceType),

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/processing/event/source/informer/MappersTest.java

@@ -0,0 +1,56 @@
+package io.javaoperatorsdk.operator.processing.event.source.informer;
+
+import java.util.UUID;
+
+import org.junit.jupiter.api.Test;
+
+import io.fabric8.kubernetes.api.model.ConfigMap;
+import io.fabric8.kubernetes.api.model.ConfigMapBuilder;
+import io.fabric8.kubernetes.api.model.ObjectMetaBuilder;
+import io.javaoperatorsdk.operator.TestUtils;
+import io.javaoperatorsdk.operator.processing.event.ResourceID;
+import io.javaoperatorsdk.operator.sample.simple.TestCustomResource;
+import io.javaoperatorsdk.operator.sample.simple.TestCustomResourceOtherV1;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
+
+class MappersTest {
+
+
+  @Test
+  void secondaryToPrimaryMapperFromOwnerReference() {
+    var primary = TestUtils.testCustomResource();
+    primary.getMetadata().setUid(UUID.randomUUID().toString());
+    var secondary = getConfigMap(primary);
+    secondary.addOwnerReference(primary);
+
+    var res = Mappers.fromOwnerReferences(TestCustomResource.class)
+        .toPrimaryResourceIDs(secondary);
+
+    assertThat(res).contains(ResourceID.fromResource(primary));
+  }
+
+  @Test
+  void secondaryToPrimaryMapperFromOwnerReferenceFiltersByType() {
+    var primary = TestUtils.testCustomResource();
+    primary.getMetadata().setUid(UUID.randomUUID().toString());
+    var secondary = getConfigMap(primary);
+    secondary.addOwnerReference(primary);
+
+    var res = Mappers.fromOwnerReferences(TestCustomResourceOtherV1.class)
+        .toPrimaryResourceIDs(secondary);
+
+    assertThat(res).isEmpty();
+  }
+
+
+  private static ConfigMap getConfigMap(TestCustomResource primary) {
+    return new ConfigMapBuilder()
+        .withMetadata(new ObjectMetaBuilder()
+            .withName("test1")
+            .withNamespace(primary.getMetadata().getNamespace())
+            .build())
+        .build();
+  }
+}

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/sample/simple/TestCustomResourceOtherV1.java

@@ -7,7 +7,7 @@
 
 @Group("sample.javaoperatorsdk.io")
 @Version("v1")
-@Kind("TestCustomResource") // this is needed to override the automatically generated kind
+@Kind("TestCustomResourceOtherV1") // this is needed to override the automatically generated kind
 public class TestCustomResourceOtherV1
     extends CustomResource<TestCustomResourceSpec, TestCustomResourceStatus> {