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-rw-r--r--infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/YangDAGTest.java70
1 files changed, 70 insertions, 0 deletions
diff --git a/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/YangDAGTest.java b/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/YangDAGTest.java
new file mode 100644
index 000000000..1c8fb5442
--- /dev/null
+++ b/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/YangDAGTest.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2017 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.translate.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Iterator;
+import org.jgrapht.experimental.dag.DirectedAcyclicGraph;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class YangDAGTest {
+
+ private static final InstanceIdentifier<DataObjects.DataObject1> VERTEX_A = DataObjects.DataObject1.IID;
+ private static final InstanceIdentifier<DataObjects.DataObject2> VERTEX_B = DataObjects.DataObject2.IID;
+
+ private YangDAG dag;
+
+ @Before
+ public void setUp() {
+ dag = new YangDAG();
+ }
+ @Test
+ public void testAddVertex() {
+ dag.addVertex(VERTEX_A);
+ final Iterator<InstanceIdentifier<?>> it = dag.iterator();
+ assertEquals(VERTEX_A, it.next());
+ assertFalse(it.hasNext());
+ }
+
+ @Test
+ public void testAddEdge() {
+ dag.addVertex(VERTEX_A);
+ dag.addVertex(VERTEX_B);
+ dag.addEdge(VERTEX_A, VERTEX_B);
+ final Iterator<InstanceIdentifier<?>> it = dag.iterator();
+ assertEquals(VERTEX_A, it.next());
+ assertEquals(VERTEX_B, it.next());
+ assertFalse(it.hasNext());
+ }
+
+ @Test
+ public void testAddCycleFails() {
+ dag.addVertex(VERTEX_A);
+ dag.addVertex(VERTEX_B);
+ dag.addEdge(VERTEX_A, VERTEX_B);
+ try {
+ dag.addEdge(VERTEX_B, VERTEX_A);
+ } catch (IllegalArgumentException e) {
+ assertTrue(e.getCause() instanceof DirectedAcyclicGraph.CycleFoundException);
+ }
+ }
+} \ No newline at end of file