Introduce InstanceIdentifier.KeyedBuilder
[yangtools.git] / binding / yang-binding / src / test / java / org / opendaylight / yangtools / yang / binding / InstanceIdentifierTest.java
index b5b11acb027ee88db73e0ca11b621006c1220a2e..de9e602070f6a0dcd6622b88f1614409acf3e843 100644 (file)
@@ -11,24 +11,30 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
 
+import com.google.common.base.VerifyException;
 import com.google.common.collect.ImmutableList;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
-import java.lang.reflect.Field;
 import org.junit.Test;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
 import org.opendaylight.yangtools.yang.binding.test.mock.FooChild;
+import org.opendaylight.yangtools.yang.binding.test.mock.FooRoot;
 import org.opendaylight.yangtools.yang.binding.test.mock.InstantiatedFoo;
 import org.opendaylight.yangtools.yang.binding.test.mock.Node;
+import org.opendaylight.yangtools.yang.binding.test.mock.NodeAugmentation;
 import org.opendaylight.yangtools.yang.binding.test.mock.NodeChild;
 import org.opendaylight.yangtools.yang.binding.test.mock.NodeChildKey;
 import org.opendaylight.yangtools.yang.binding.test.mock.NodeKey;
 import org.opendaylight.yangtools.yang.binding.test.mock.Nodes;
+import org.powermock.reflect.Whitebox;
 
 public class InstanceIdentifierTest {
 
@@ -51,7 +57,7 @@ public class InstanceIdentifierTest {
     public void fluentConstruction() {
         final InstanceIdentifier<Nodes> nodes = InstanceIdentifier.builder(Nodes.class).build();
         final InstanceIdentifier<Node> node =
-                InstanceIdentifier.builder(Nodes.class).child(Node.class,new NodeKey(10)).build();
+                InstanceIdentifier.builder(Nodes.class).child(Node.class, new NodeKey(10)).build();
 
         assertNotNull(node);
         assertEquals(Node.class, node.getTargetType());
@@ -64,10 +70,10 @@ public class InstanceIdentifierTest {
         final InstanceIdentifier<FooChild> fooChild =
                 InstanceIdentifier.builder(Nodes.class).child(InstantiatedFoo.class).child(FooChild.class).build();
 
-        final InstanceIdentifier<Node> nodeTen = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class,new NodeKey(10)).build();
-        final InstanceIdentifier<Node> nodeOne = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class,new NodeKey(1)).build();
+        final InstanceIdentifier<Node> nodeTen = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class, new NodeKey(10)).build();
+        final InstanceIdentifier<Node> nodeOne = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class, new NodeKey(1)).build();
         final InstanceIdentifier<Nodes> nodes = InstanceIdentifier.builder(Nodes.class).build();
 
         assertFalse(fooChild.contains(nodeTen));
@@ -84,17 +90,17 @@ public class InstanceIdentifierTest {
     public void containsWildcarded() {
         final InstanceIdentifier<Nodes> nodes = InstanceIdentifier.builder(Nodes.class).build();
         final InstanceIdentifier<Node> wildcarded = InstanceIdentifier.builder(Nodes.class).child(Node.class).build();
-        final InstanceIdentifier<NodeChild> wildcardedChildren = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class) //
+        final InstanceIdentifier<NodeChild> wildcardedChildren = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class)
                 .child(NodeChild.class).build();
 
         assertTrue(wildcarded.isWildcarded());
         assertTrue(wildcardedChildren.isWildcarded());
 
-        final InstanceIdentifier<Node> nodeTen = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class,new NodeKey(10)).build();
-        final InstanceIdentifier<Node> nodeOne = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class,new NodeKey(1)).build();
+        final InstanceIdentifier<Node> nodeTen = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class, new NodeKey(10)).build();
+        final InstanceIdentifier<Node> nodeOne = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class, new NodeKey(1)).build();
 
         assertFalse(nodeTen.isWildcarded());
         assertFalse(nodeOne.isWildcarded());
@@ -104,25 +110,25 @@ public class InstanceIdentifierTest {
         assertFalse(InstanceIdentifier.builder(Nodes.class)
                 .child(InstantiatedFoo.class).build().containsWildcarded(wildcarded));
 
-        final InstanceIdentifier<NodeChild> nodeTenChildWildcarded = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class,new NodeKey(10)).child(NodeChild.class).build();
+        final InstanceIdentifier<NodeChild> nodeTenChildWildcarded = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class, new NodeKey(10)).child(NodeChild.class).build();
 
         assertTrue(nodeTenChildWildcarded.isWildcarded());
 
-        final InstanceIdentifier<NodeChild> nodeTenChild = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class,new NodeKey(10)).child(NodeChild.class, new NodeChildKey(10)).build();
-        final InstanceIdentifier<NodeChild> nodeOneChild = InstanceIdentifier.builder(Nodes.class) //
-                .child(Node.class,new NodeKey(1)).child(NodeChild.class, new NodeChildKey(1)).build();
+        final InstanceIdentifier<NodeChild> nodeTenChild = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class, new NodeKey(10)).child(NodeChild.class, new NodeChildKey(10)).build();
+        final InstanceIdentifier<NodeChild> nodeOneChild = InstanceIdentifier.builder(Nodes.class)
+                .child(Node.class, new NodeKey(1)).child(NodeChild.class, new NodeChildKey(1)).build();
 
         assertFalse(nodeTenChildWildcarded.containsWildcarded(nodeOneChild));
         assertTrue(nodeTenChildWildcarded.containsWildcarded(nodeTenChild));
     }
 
     @Test
-    public void basicTests() throws Exception {
-        final InstanceIdentifier<DataObject> instanceIdentifier1 = InstanceIdentifier.create(DataObject.class);
-        final InstanceIdentifier<DataObject> instanceIdentifier2 = InstanceIdentifier.create(DataObject.class);
-        final InstanceIdentifier<DataObject> instanceIdentifier4 = InstanceIdentifier.create(DataObject.class);
+    public void basicTests() {
+        final InstanceIdentifier<FooRoot> instanceIdentifier1 = InstanceIdentifier.create(FooRoot.class);
+        final InstanceIdentifier<FooRoot> instanceIdentifier2 = InstanceIdentifier.create(FooRoot.class);
+        final InstanceIdentifier<FooRoot> instanceIdentifier4 = InstanceIdentifier.create(FooRoot.class);
         final InstanceIdentifier<NodeChild> instanceIdentifier3 = InstanceIdentifier.builder(Nodes.class)
                 .child(Node.class, new NodeKey(10)).child(NodeChild.class).build();
         final Object object = new Object();
@@ -132,41 +138,34 @@ public class InstanceIdentifierTest {
         assertFalse(instanceIdentifier1.equals(object));
         assertTrue(instanceIdentifier1.equals(instanceIdentifier2));
 
-        final Field pathArgumentsField = InstanceIdentifier.class.getDeclaredField("pathArguments");
-        final Field wildCardField = InstanceIdentifier.class.getDeclaredField("wildcarded");
-        pathArgumentsField.setAccessible(true);
-        wildCardField.setAccessible(true);
-        pathArgumentsField.set(instanceIdentifier2, instanceIdentifier1.pathArguments);
-        wildCardField.set(instanceIdentifier4, true);
+        Whitebox.setInternalState(instanceIdentifier2, "pathArguments", instanceIdentifier1.pathArguments);
+        Whitebox.setInternalState(instanceIdentifier4, "wildcarded", true);
 
         assertTrue(instanceIdentifier1.equals(instanceIdentifier2));
-
         assertFalse(instanceIdentifier1.equals(instanceIdentifier3));
         assertFalse(instanceIdentifier1.equals(instanceIdentifier4));
-        final InstanceIdentifier instanceIdentifier5 = InstanceIdentifier.create(Node.class);
-        final Field hashField = InstanceIdentifier.class.getDeclaredField("hash");
-        hashField.setAccessible(true);
-        hashField.set(instanceIdentifier5, instanceIdentifier1.hashCode());
-        wildCardField.set(instanceIdentifier5, false);
-
-        assertFalse(instanceIdentifier1.equals(instanceIdentifier5));
-        assertNotNull(InstanceIdentifier.create(ImmutableList.copyOf(instanceIdentifier1.getPathArguments())));
+
+        final InstanceIdentifier<Node> instanceIdentifier5 = InstanceIdentifier.create(Nodes.class).child(Node.class);
+        Whitebox.setInternalState(instanceIdentifier5, "hash", instanceIdentifier1.hashCode());
+        Whitebox.setInternalState(instanceIdentifier5, "wildcarded", false);
+
+        assertNotNull(InstanceIdentifier.unsafeOf(ImmutableList.copyOf(instanceIdentifier1.getPathArguments())));
         assertNotNull(InstanceIdentifier.create(Nodes.class).child(Node.class));
         assertNotNull(InstanceIdentifier.create(Nodes.class).child(Node.class, new NodeKey(5)));
-        assertNotNull(instanceIdentifier5.augmentation(DataObject.class));
+        assertNotNull(instanceIdentifier5.augmentation(NodeAugmentation.class));
         assertNotNull(instanceIdentifier1.hashCode());
         assertNotNull(instanceIdentifier1.toString());
 
         final InstanceIdentifierBuilder instanceIdentifierBuilder = instanceIdentifier1.builder();
         assertEquals(instanceIdentifier1.hashCode(), instanceIdentifierBuilder.hashCode());
         assertNotNull(instanceIdentifierBuilder.augmentation(InstantiatedFoo.class));
-        assertNotNull(instanceIdentifierBuilder.toInstance());
+        assertNotNull(instanceIdentifierBuilder.build());
     }
 
     @Test
     public void firstIdentifierOfTest() {
         final InstanceIdentifier<Node> instanceIdentifier =
-                InstanceIdentifier.builder(Nodes.class).child(Node.class,new NodeKey(10)).build();
+                InstanceIdentifier.builder(Nodes.class).child(Node.class, new NodeKey(10)).build();
         final InstanceIdentifier<Nodes> nodesIdentifier = instanceIdentifier.firstIdentifierOf(Nodes.class);
         assertNotNull(nodesIdentifier);
         final InstanceIdentifier<DataObject> dataObjectIdentifier =
@@ -177,33 +176,86 @@ public class InstanceIdentifierTest {
     @Test
     public void firstKeyOfTest() {
         final InstanceIdentifier<Node> instanceIdentifier =
-                InstanceIdentifier.builder(Nodes.class).child(Node.class,new NodeKey(10)).build();
-        final InstanceIdentifier<DataObject> instanceIdentifier1 = InstanceIdentifier.create(DataObject.class);
-        assertNotNull(instanceIdentifier.firstKeyOf(Node.class, null));
+                InstanceIdentifier.builder(Nodes.class).child(Node.class, new NodeKey(10)).build();
+        final InstanceIdentifier<FooRoot> instanceIdentifier1 = InstanceIdentifier.create(FooRoot.class);
+        assertNotNull(instanceIdentifier.firstKeyOf(Node.class));
         assertNull(instanceIdentifier1.firstKeyOf(Node.class));
     }
 
     @Test
-    public void keyOfTest() throws Exception {
-        final Identifier identifier = mock(Identifier.class);
+    public void keyOfTest() {
+        final Identifier<?> identifier = mock(Identifier.class);
         assertEquals(identifier, InstanceIdentifier.keyOf(
                 new KeyedInstanceIdentifier(Identifiable.class, ImmutableList.of(), false, 0, identifier)));
     }
 
     @Test
-    public void serializationTest() throws Exception {
+    public void serializationTest() throws IOException, ClassNotFoundException {
         final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
         final ObjectOutputStream outputStream = new ObjectOutputStream(byteArrayOutputStream);
 
-        final InstanceIdentifier<DataObject> instanceIdentifier = InstanceIdentifier.create(DataObject.class);
+        final InstanceIdentifier<FooRoot> instanceIdentifier = InstanceIdentifier.create(FooRoot.class);
         outputStream.writeObject(instanceIdentifier);
         outputStream.flush();
         outputStream.close();
 
         final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
         final ObjectInputStream inputStream = new ObjectInputStream(byteArrayInputStream);
-        final InstanceIdentifier deserialized = (InstanceIdentifier) inputStream.readObject();
+        final InstanceIdentifier<?> deserialized = (InstanceIdentifier<?>) inputStream.readObject();
 
         assertEquals(instanceIdentifier, deserialized);
     }
+
+    @Test
+    public void equalsTest() {
+        final InstanceIdentifierBuilder<FooRoot> builder1 =  InstanceIdentifier.create(FooRoot.class).builder();
+        final InstanceIdentifierBuilder<FooRoot> builder2 =  InstanceIdentifier.create(FooRoot.class).builder();
+        final InstanceIdentifierBuilder<Nodes> builder3 =  InstanceIdentifier.create(Nodes.class).builder();
+        final InstanceIdentifierBuilder<Nodes> builder4 =  InstanceIdentifier.create(Nodes.class).builder();
+        final Object obj = new Object();
+
+        assertTrue(builder1.equals(builder2));
+        assertTrue(builder2.equals(builder1));
+        assertTrue(builder2.equals(builder2));
+        assertTrue(builder3.equals(builder4));
+        assertTrue(builder4.equals(builder4));
+        assertFalse(builder3.equals(builder1));
+        assertFalse(builder3.equals(null));
+        assertFalse(builder4.equals(null));
+        assertFalse(builder1.equals(obj));
+
+        builder3.child(Node.class, new NodeKey(10));
+        assertFalse(builder3.equals(builder4));
+        assertFalse(builder4.equals(builder3));
+
+        builder4.child(Node.class, new NodeKey(20));
+        assertFalse(builder3.equals(builder4));
+        assertFalse(builder4.equals(builder3));
+    }
+
+    @Test
+    public void hashCodeTest() {
+        final InstanceIdentifierBuilder<FooRoot> builder1 =  InstanceIdentifier.create(FooRoot.class).builder();
+        final InstanceIdentifierBuilder<FooRoot> builder2 =  InstanceIdentifier.create(FooRoot.class).builder();
+        final InstanceIdentifierBuilder<Nodes> builder3 =  InstanceIdentifier.create(Nodes.class).builder();
+        final InstanceIdentifierBuilder<Nodes> builder4 =  InstanceIdentifier.create(Nodes.class).builder();
+        final Object obj = new Object();
+
+        assertTrue(builder1.hashCode() == builder2.hashCode());
+        assertTrue(builder1.hashCode() != builder3.hashCode());
+        assertTrue(builder3.hashCode() == builder4.hashCode());
+        assertTrue(builder2.hashCode() != builder4.hashCode());
+        assertTrue(builder1.hashCode() != obj.hashCode());
+
+        builder3.child(Node.class, new NodeKey(10));
+
+        assertTrue(builder3.hashCode() != builder4.hashCode());
+    }
+
+    @Test
+    public void verifyTargetTest() {
+        final InstanceIdentifier<Nodes> nodeId = InstanceIdentifier.create(Nodes.class);
+        assertSame(nodeId, nodeId.verifyTarget(Nodes.class));
+        assertThrows(VerifyException.class, () -> nodeId.verifyTarget(Node.class));
+    }
 }