1 files changed, 88 insertions, 0 deletions
diff --git a/v3po/translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/util/read/registry/TypeHierarchyTest.java b/v3po/translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/util/read/registry/TypeHierarchyTest.java
new file mode 100644
index 000000000..92449af28
--- /dev/null
+++ b/v3po/translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/util/read/registry/TypeHierarchyTest.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.v3po.translate.util.read.registry;
+
+import static org.hamcrest.CoreMatchers.hasItem;
+import static org.hamcrest.CoreMatchers.hasItems;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+import com.google.common.collect.Sets;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.binding.ChildOf;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class TypeHierarchyTest {
+
+    @Test
+    public void testHierarchy() throws Exception {
+        final TypeHierarchy typeHierarchy = TypeHierarchy.create(Sets.newHashSet(
+                DataObject3.DataObject31.DataObject311.IID,
+                DataObject3.DataObject31.IID,/* Included in previous already */
+                DataObject1.IID,
+                DataObject2.DataObject21.IID));
+
+        // Roots
+        assertThat(typeHierarchy.getRoots().size(), is(3));
+        assertThat(typeHierarchy.getRoots(), hasItems(DataObject1.IID, DataObject2.IID, DataObject3.IID));
+
+        // Leaves
+        assertThat(typeHierarchy.getDirectChildren(DataObject1.IID).size(), is(0));
+        assertThat(typeHierarchy.getDirectChildren(DataObject2.DataObject21.IID).size(), is(0));
+        assertThat(typeHierarchy.getDirectChildren(DataObject3.DataObject31.DataObject311.IID).size(), is(0));
+
+        // Intermediate leaves
+        assertThat(typeHierarchy.getDirectChildren(DataObject2.IID).size(), is(1));
+        assertThat(typeHierarchy.getDirectChildren(DataObject2.IID), hasItem(DataObject2.DataObject21.IID));
+        assertEquals(typeHierarchy.getDirectChildren(DataObject2.IID), typeHierarchy.getAllChildren(DataObject2.IID));
+
+        assertThat(typeHierarchy.getDirectChildren(DataObject3.DataObject31.IID).size(), is(1));
+        assertThat(typeHierarchy.getDirectChildren(DataObject3.DataObject31.IID), hasItem(
+                DataObject3.DataObject31.DataObject311.IID));
+        assertEquals(typeHierarchy.getDirectChildren(DataObject3.DataObject31.IID), typeHierarchy.getAllChildren(
+                DataObject3.DataObject31.IID));
+
+        assertThat(typeHierarchy.getDirectChildren(DataObject3.IID).size(), is(1));
+        assertThat(typeHierarchy.getDirectChildren(DataObject3.IID), hasItem(DataObject3.DataObject31.IID));
+        assertThat(typeHierarchy.getAllChildren(DataObject3.IID).size(), is(2));
+        assertTrue(typeHierarchy.getAllChildren(DataObject3.IID).contains(DataObject3.DataObject31.IID));
+        assertTrue(typeHierarchy.getAllChildren(DataObject3.IID).contains(DataObject3.DataObject31.DataObject311.IID));
+    }
+
+    private abstract static class DataObject1 implements DataObject {
+        static InstanceIdentifier<DataObject1> IID = InstanceIdentifier.create(DataObject1.class);
+    }
+    private abstract static class DataObject2 implements DataObject {
+        static InstanceIdentifier<DataObject2> IID = InstanceIdentifier.create(DataObject2.class);
+        private abstract static class DataObject21 implements DataObject, ChildOf<DataObject2> {
+            static InstanceIdentifier<DataObject21> IID = DataObject2.IID.child(DataObject21.class);
+        }
+    }
+    private abstract static class DataObject3 implements DataObject {
+        static InstanceIdentifier<DataObject3> IID = InstanceIdentifier.create(DataObject3.class);
+        private abstract static class DataObject31 implements DataObject, ChildOf<DataObject3> {
+            static InstanceIdentifier<DataObject31> IID = DataObject3.IID.child(DataObject31.class);
+            private abstract static class DataObject311 implements DataObject, ChildOf<DataObject31> {
+                static InstanceIdentifier<DataObject311> IID = DataObject31.IID.child(DataObject311.class);
+            }
+        }
+    }
+}
+