[ONOS-5076] YANG data tree Builder

Change-Id: I25160b651c26e614d29d7fad85e63f77a262d77c
diff --git a/apps/yms/app/src/test/java/org/onosproject/yms/app/ydt/YdtBitTest.java b/apps/yms/app/src/test/java/org/onosproject/yms/app/ydt/YdtBitTest.java
new file mode 100644
index 0000000..5446b51
--- /dev/null
+++ b/apps/yms/app/src/test/java/org/onosproject/yms/app/ydt/YdtBitTest.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.yms.app.ydt;
+
+import org.junit.Test;
+
+import static org.onosproject.yms.app.ydt.YdtTestConstants.BIT;
+import static org.onosproject.yms.app.ydt.YdtTestConstants.BITNS;
+import static org.onosproject.yms.app.ydt.YdtTestUtils.bitYdt;
+import static org.onosproject.yms.app.ydt.YdtTestUtils.validateErrMsg;
+import static org.onosproject.yms.app.ydt.YdtTestUtils.validateLeafContents;
+import static org.onosproject.yms.app.ydt.YdtTestUtils.validateNodeContents;
+import static org.onosproject.yms.ydt.YdtContextOperationType.MERGE;
+
+public class YdtBitTest {
+
+    /*
+        BINARY
+
+        Positive scenario
+        input with position 0
+        input with position 1
+        input with position 2
+    */
+
+    /**
+     * Creates and validates bit ydt covering different positive scenario.
+     */
+    @Test
+    public void positiveTest() {
+        YangRequestWorkBench ydtBuilder = bitYdt();
+        validateTree(ydtBuilder);
+    }
+
+    /**
+     * Validates the given built ydt.
+     */
+    private void validateTree(YangRequestWorkBench ydtBuilder) {
+
+        // assign root node to ydtNode for validating purpose.
+        YdtNode ydtNode = (YdtNode) ydtBuilder.getRootNode();
+        // Logical root node does not have operation type
+        validateNodeContents(ydtNode, "builtInType", null);
+        ydtNode = ydtNode.getFirstChild();
+        validateNodeContents(ydtNode, "bit", MERGE);
+        ydtNode = ydtNode.getFirstChild();
+        validateNodeContents(ydtNode, "bitList", MERGE);
+        ydtNode = ydtNode.getFirstChild();
+        validateLeafContents(ydtNode, "bit", "disable-nagle");
+        ydtNode = ydtNode.getParent();
+        ydtNode = ydtNode.getNextSibling();
+        validateNodeContents(ydtNode, "bitList", MERGE);
+        ydtNode = ydtNode.getFirstChild();
+        validateLeafContents(ydtNode, "bit", "auto-sense-speed");
+        ydtNode = ydtNode.getParent();
+        ydtNode = ydtNode.getNextSibling();
+        validateNodeContents(ydtNode, "bitList", MERGE);
+        ydtNode = ydtNode.getFirstChild();
+        validateLeafContents(ydtNode, "bit", "ten-Mb-only");
+    }
+
+    /*
+        Negative scenario
+
+        input with position 0
+        input with position 1
+        input with position 2
+    */
+
+    /**
+     * Tests all the negative scenario's for bit data type.
+     */
+    @Test
+    public void negativeTest() {
+        validateErrMsg("bit", BITNS, "0", BIT, "bitList");
+        validateErrMsg("bit", BITNS, "default", BIT, "bitList");
+        validateErrMsg("bit", BITNS, "1", BIT, "bitList");
+        validateErrMsg("bit", BITNS, "", BIT, "bitList");
+    }
+}