[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/BaseFileListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/BaseFileListenerTest.java
new file mode 100644
index 0000000..f2415b2
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/BaseFileListenerTest.java
@@ -0,0 +1,106 @@
+/*
+ * 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.YangModule;
+import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+
+/**
+ * Test cases for testing base rule listener functionality.
+ */
+public class BaseFileListenerTest {
+
+ @Rule
+ public ExpectedException thrown = ExpectedException.none();
+
+ /**
+ * Checks for exception if stack of parsable data is not empty at the entry
+ * of yang base rule.
+ */
+ @Test
+ public void processYangFileEntryNonEmptyStack() {
+ thrown.expect(ParserException.class);
+ thrown.expectMessage("Internal parser error detected: Invalid holder for yangbase before processing.");
+
+ YangModule tmpModule = new YangModule();
+ TreeWalkListener listener = new TreeWalkListener();
+ listener.getParsedDataStack().push(tmpModule);
+ GeneratedYangParser.YangfileContext ctx = null;
+ BaseFileListener.processYangFileEntry(listener, ctx);
+ }
+
+ /**
+ * Checks that exception shouldn't be generated if stack of parsable data is
+ * empty at the entry of yang base rule.
+ */
+ @Test
+ public void processYangFileEntryEmptyStack() {
+
+ TreeWalkListener listener = new TreeWalkListener();
+ GeneratedYangParser.YangfileContext ctx = null;
+ BaseFileListener.processYangFileEntry(listener, ctx);
+ }
+
+ /**
+ * Checks that exception should be generated if stack of parsable data is
+ * not empty at the exit of yang base rule.
+ */
+ @Test
+ public void processYangFileExitEmptyStack() {
+ thrown.expect(ParserException.class);
+ thrown.expectMessage("Internal parser error detected: Missing holder at yangbase after processing.");
+
+ TreeWalkListener listener = new TreeWalkListener();
+ GeneratedYangParser.YangfileContext ctx = null;
+ BaseFileListener.processYangFileExit(listener, ctx);
+ }
+
+ /**
+ * Checks that exception shouldn't be generated if stack of parsable data is
+ * empty at the exit of yang base rule.
+ */
+ @Test
+ public void processYangFileExitNonEmptyStack() {
+
+ TreeWalkListener listener = new TreeWalkListener();
+ GeneratedYangParser.YangfileContext ctx = null;
+ BaseFileListener.processYangFileEntry(listener, ctx);
+ }
+
+ /**
+ * Checks that after popping out the parsable node from stack it should be
+ * empty.
+ */
+ @Test
+ public void processYangFileExitStackErrorExtraEntryTest() {
+ thrown.expect(ParserException.class);
+ thrown.expectMessage("Internal parser error detected: Invalid holder for yangbase after processing.");
+
+ YangModule tmpModule = new YangModule();
+ YangModule tmpModule2 = new YangModule();
+ TreeWalkListener listener = new TreeWalkListener();
+ listener.getParsedDataStack().push(tmpModule);
+ listener.getParsedDataStack().push(tmpModule2);
+ GeneratedYangParser.YangfileContext ctx = null;
+ BaseFileListener.processYangFileExit(listener, ctx);
+ }
+}
\ No newline at end of file