[Hummingbird - ONOS4647] Check for the standard l3vpn yang

Change-Id: I3008b9da2ed61c8902789abd064b8f77dfa73245
diff --git a/src/test/java/org/onosproject/yangutils/ietfyang/IetfYangFileTest.java b/src/test/java/org/onosproject/yangutils/ietfyang/IetfYangFileTest.java
new file mode 100644
index 0000000..0f0a514
--- /dev/null
+++ b/src/test/java/org/onosproject/yangutils/ietfyang/IetfYangFileTest.java
@@ -0,0 +1,63 @@
+/*
+ * 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.yangutils.ietfyang;
+
+import org.apache.maven.plugin.MojoExecutionException;
+import org.junit.Test;
+import org.onosproject.yangutils.linker.impl.YangLinkerManager;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.YangUtilsParserManager;
+import org.onosproject.yangutils.plugin.manager.YangUtilManager;
+import org.onosproject.yangutils.translator.tojava.utils.YangPluginConfig;
+import org.onosproject.yangutils.utils.io.impl.YangFileScanner;
+
+import java.io.IOException;
+
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.deleteDirectory;
+
+/**
+ * Test cases for testing IETF YANG files.
+ */
+public class IetfYangFileTest {
+
+    private final YangUtilsParserManager manager = new YangUtilsParserManager();
+    private final YangUtilManager utilManager = new YangUtilManager();
+    private final YangLinkerManager yangLinkerManager = new YangLinkerManager();
+
+    /**
+     * Checks hierarchical intra with inter file type linking.
+     * Reference: https://datatracker.ietf.org/doc/draft-zha-l3sm-l3vpn-onos-deployment
+     */
+    @Test
+    public void l3vpnserviceyang()
+            throws IOException, ParserException, MojoExecutionException {
+
+        String searchDir = "src/test/resources/ietfyang/l3vpnservice";
+        utilManager.createYangFileInfoSet(YangFileScanner.getYangFiles(searchDir));
+        utilManager.parseYangFileInfoSet();
+        utilManager.resolveDependenciesUsingLinker();
+
+        String userDir = System.getProperty("user.dir");
+        YangPluginConfig yangPluginConfig = new YangPluginConfig();
+        yangPluginConfig.setCodeGenDir("target/ietfyang/l3vpnservice/");
+
+        utilManager.translateToJava(utilManager.getYangFileInfoSet(), yangPluginConfig);
+
+        deleteDirectory(userDir + "/target/ietfyang/");
+    }
+
+}