[ONOS-3880, 3881] Yang Listener for Module and Sub-Module
Change-Id: Iee75c3e04af9b66ebc38acb3396aa4c54af5a268
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/BelongstoListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/BelongstoListenerTest.java
new file mode 100644
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+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/BelongstoListenerTest.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2016 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.parser.impl.listeners;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangSubModule;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.CustomExceptionMatcher;
+import org.onosproject.yangutils.parser.impl.YangUtilsParserManager;
+
+import java.io.IOException;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Test cases for testing belongsto listener functionality.
+ */
+public class BelongstoListenerTest {
+
+ @Rule
+ public ExpectedException thrown = ExpectedException.none();
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if mandatory belongsto parameter "prefix" is not present.
+ */
+ @Test
+ public void processBelongsToWithoutPrefix() throws IOException, ParserException {
+ thrown.expect(ParserException.class);
+ thrown.expectMessage("mismatched input '}' expecting 'prefix'");
+ thrown.expect(CustomExceptionMatcher.errorLocation(4, 0));
+ YangNode node = manager.getDataModel("src/test/resources/BelongsToWithoutPrefix.yang");
+ }
+
+ /**
+ * Checks that prefix must be present only once in belongsto.
+ */
+ @Test
+ public void processBelongsToDualPrefix() throws IOException, ParserException {
+ thrown.expect(ParserException.class);
+ thrown.expectMessage("mismatched input 'prefix' expecting '}'");
+ thrown.expect(CustomExceptionMatcher.errorLocation(5, 0));
+ YangNode node = manager.getDataModel("src/test/resources/BelongsToDualPrefix.yang");
+ }
+
+ /**
+ * Checks if belongsto listener updates the date model tree.
+ */
+ @Test
+ public void processBelongsToWithPrefix() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/BelongsToWithPrefix.yang");
+ YangSubModule yangNode = (YangSubModule) node;
+ assertThat(yangNode.getBelongsTo().getBelongsToModuleName(), is("ONOS"));
+ }
+
+ /**
+ * Checks if mandatory parameter "belongsto" is present.
+ */
+ @Test
+ public void processSubModuleWithoutBelongsTo() throws IOException, ParserException {
+ thrown.expect(ParserException.class);
+ thrown.expectMessage("mismatched input '}' expecting 'belongs-to'");
+ thrown.expect(CustomExceptionMatcher.errorLocation(3, 0));
+ YangNode node = manager.getDataModel("src/test/resources/SubModuleWithoutBelongsTo.yang");
+ }
+}
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