[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
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
index 0000000..0bc6586
--- /dev/null
+++ 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");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ContactListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ContactListenerTest.java
new file mode 100644
index 0000000..9791ba3
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ContactListenerTest.java
@@ -0,0 +1,82 @@
+/*
+ * 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.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 contact listener functionality.
+ */
+public class ContactListenerTest {
+
+ @Rule
+ public ExpectedException thrown = ExpectedException.none();
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if contact listener updates the data model tree.
+ */
+ @Test
+ public void processContactValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ContactValidEntry.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getContact(), is("\"WG List: <mailto:spring@ietf.org>\nEditor: "
+ + "Stephane Litkowski\n " + "<mailto:stephane.litkowski@orange.com>\""));
+ }
+
+ /**
+ * Checks that contact must be present only once.
+ */
+ @Test(expected = ParserException.class)
+ public void processContactDualEntryTest() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ContactDualEntryTest.yang");
+
+ }
+
+ /**
+ * Checks if contact is not empty.
+ */
+ @Test(expected = ParserException.class)
+ public void processContactWithEmptyString() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ContactWithEmptyString.yang");
+ }
+
+ /**
+ * Checks that contact must be present after namespace.
+ */
+ @Test(expected = ParserException.class)
+ public void processContactIncorrectOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ContactIncorrectOrder.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ImportListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ImportListenerTest.java
new file mode 100644
index 0000000..d003cc2
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ImportListenerTest.java
@@ -0,0 +1,112 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 import listener functionality.
+ */
+public class ImportListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if mandatory parameter prefix is present in import.
+ */
+ @Test(expected = ParserException.class)
+ public void processImportWithoutPrefix() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ImportWithoutPrefix.yang");
+ }
+
+ /**
+ * Checks that prefix must be present only once in import.
+ */
+ @Test(expected = ParserException.class)
+ public void processImportWithDualPrefix() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ImportWithDualPrefix.yang");
+ }
+
+ /**
+ * Checks for the correct order of prefix in import.
+ */
+ @Test(expected = ParserException.class)
+ public void processImportInvalidOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ImportInvalidOrder.yang");
+ }
+
+ /**
+ * Checks if import listener updates the data model tree.
+ */
+ @Test
+ public void processImportValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ImportValidEntry.yang");
+
+ // Checks for the revision value in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getRevision(), is("2015-02-03"));
+ // Checks for the prefix id in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getPrefixId(), is("On2"));
+ // Checks for the module name in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getModuleName(), is("ietf"));
+ }
+
+ /**
+ * Checks if optional parameter revision is not mandatory in import.
+ */
+ @Test
+ public void processImportWithoutRevision() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ImportWithoutRevision.yang");
+
+ // Checks for the prefix id in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getPrefixId(), is("On2"));
+ // Checks for the module name in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getModuleName(), is("ietf"));
+ }
+
+ /**
+ * Checks if multiple imports are allowed.
+ */
+ @Test()
+ public void processImportMultipleInstance() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ImportMultipleInstance.yang");
+
+ // Checks for the prefix id in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getPrefixId(), is("On2"));
+ // Checks for the module name in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getModuleName(), is("ietf"));
+
+ // Checks for the prefix id in data model tree.
+ assertThat(((YangModule) node).getImportList().get(1).getPrefixId(), is("On3"));
+ // Checks for the module name in data model tree.
+ assertThat(((YangModule) node).getImportList().get(1).getModuleName(), is("itut"));
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/IncludeListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/IncludeListenerTest.java
new file mode 100644
index 0000000..313f5e9
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/IncludeListenerTest.java
@@ -0,0 +1,124 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 include listener functionality.
+ */
+public class IncludeListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if include listener with ; is valid and updates the data
+ * model tree.
+ */
+ @Test
+ public void processIncludeWithStmtend() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/IncludeWithStmtend.yang");
+
+ // Checks for the sub module name in data model tree.
+ assertThat(((YangModule) node).getIncludeList().get(0).getSubModuleName(), is("itut"));
+ }
+
+ /**
+ * Checks if include listener with braces and without revision date is valid
+ * and updates the data model tree.
+ */
+ @Test
+ public void processIncludeWithEmptyBody() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/IncludeWithEmptyBody.yang");
+
+ // Checks for the sub module name in data model tree.
+ assertThat(((YangModule) node).getIncludeList().get(0).getSubModuleName(), is("itut"));
+ }
+
+ /**
+ * Checks if include listener with braces and with revision date is valid
+ * and updates the data model tree.
+ */
+ @Test
+ public void processIncludeWithDate() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/IncludeWithDate.yang");
+
+ // Checks for the sub module name in data model tree.
+ assertThat(((YangModule) node).getIncludeList().get(0).getSubModuleName(), is("itut"));
+ assertThat(((YangModule) node).getIncludeList().get(0).getRevision(), is("2016-02-03"));
+ }
+
+ /**
+ * Checks if include has more than one occurrence.
+ */
+ @Test
+ public void processIncludeMultiInstance() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/IncludeMultiInstance.yang");
+
+ // Checks for the sub module name in data model tree.
+ assertThat(((YangModule) node).getIncludeList().get(0).getSubModuleName(), is("itut"));
+ assertThat(((YangModule) node).getIncludeList().get(0).getRevision(), is("2016-02-03"));
+ assertThat(((YangModule) node).getIncludeList().get(1).getSubModuleName(), is("sdn"));
+ assertThat(((YangModule) node).getIncludeList().get(1).getRevision(), is("2014-02-03"));
+ }
+
+ /**
+ * Checks if include and import can come in any order.
+ */
+ @Test
+ public void processIncludeImportAnyOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/IncludeImportAnyOrder.yang");
+
+ // Checks for the sub module name in data model tree.
+ assertThat(((YangModule) node).getIncludeList().get(0).getSubModuleName(), is("itut"));
+ assertThat(((YangModule) node).getIncludeList().get(0).getRevision(), is("2016-02-03"));
+ assertThat(((YangModule) node).getIncludeList().get(1).getSubModuleName(), is("sdn"));
+ assertThat(((YangModule) node).getIncludeList().get(1).getRevision(), is("2014-02-03"));
+ }
+
+ /**
+ * Checks if syntax of Include is not correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processIncludeInvalidSyntax() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/IncludeInvalidSyntax.yang");
+ }
+
+ /**
+ * Checks if syntax of revision date in Include is not correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processIncludeInvalidDateSyntax() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/IncludeInvalidDateSyntax.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ModuleListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ModuleListenerTest.java
new file mode 100644
index 0000000..ab7242a
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ModuleListenerTest.java
@@ -0,0 +1,65 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangNodeType;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 module listener functionality.
+ */
+public class ModuleListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if module listener updates the data model root node.
+ */
+ @Test
+ public void processModuleValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ModuleValidEntry.yang");
+
+ // Check whether the data model tree returned is of type module.
+ assertThat((node instanceof YangModule), is(true));
+
+ // Check whether the node type is set properly to module.
+ assertThat(node.getNodeType(), is(YangNodeType.MODULE_NODE));
+
+ // Check whether the module name is set correctly.
+ YangModule yangNode = (YangModule) node;
+ assertThat(yangNode.getName(), is("Test"));
+ }
+
+ /**
+ * Checks if module name is set correctly.
+ */
+ @Test(expected = ParserException.class)
+ public void processModuleInvalidEntryTest() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/ModuleWithInvalidIdentifier.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/NamespaceListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/NamespaceListenerTest.java
new file mode 100644
index 0000000..50f8f54
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/NamespaceListenerTest.java
@@ -0,0 +1,87 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 namespace listener functionality.
+ */
+public class NamespaceListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks that value of namespace shouldn't have invalid spaces.
+ */
+ @Test(expected = ParserException.class)
+ public void processNamespaceWithInvalidSpaces() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/NamespaceWithInvalidSpaces.yang");
+ }
+
+ /**
+ * Checks if namespace with double quotes is allowed.
+ */
+ @Test()
+ public void processNamespaceInDoubleQuotes() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/NamespaceInDoubleQuotes.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getNameSpace().getUri(), is("\"urn:ietf:params:xml:ns:yang:ietf-ospf\""));
+ }
+
+ /**
+ * Checks if namespace without double quotes is allowed.
+ */
+ @Test()
+ public void processNamespaceWithoutQuotes() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/NamespaceWithoutQuotes.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getNameSpace().getUri(), is("urn:ietf:params:xml:ns:yang:ietf-ospf"));
+ }
+
+ /**
+ * Checks if namespace is present only once.
+ */
+ @Test(expected = ParserException.class)
+ public void processNamespaceDualEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/NamespaceDualEntry.yang");
+ }
+
+ /**
+ * Checks if mandatory parameter namespace is present.
+ */
+ @Test(expected = ParserException.class)
+ public void processNamespaceNoEntryTest() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/NamespaceNoEntryTest.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/OrganizationListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/OrganizationListenerTest.java
new file mode 100644
index 0000000..2c71e17
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/OrganizationListenerTest.java
@@ -0,0 +1,75 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 organization listener functionality.
+ */
+public class OrganizationListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if organization listener updates the data model tree.
+ */
+ @Test
+ public void processOrganizationValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/OrganizationValidEntry.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getOrganization(), is("\"IETF SPRING Working Group\""));
+ }
+
+ /**
+ * Checks that organization must be present only once.
+ */
+ @Test(expected = ParserException.class)
+ public void processOrganizationDualEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/OrganizationDualEntry.yang");
+ }
+
+ /**
+ * Checks if organization entry syntax is correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processOrganizationMissingValue() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/OrganizationMissingValue.yang");
+ }
+
+ /**
+ * Checks if organization and namespace is present in correct order.
+ */
+ @Test(expected = ParserException.class)
+ public void processOrganizationInvalidOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/OrganizationInvalidOrder.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/PrefixListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/PrefixListenerTest.java
new file mode 100644
index 0000000..b090bd0
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/PrefixListenerTest.java
@@ -0,0 +1,84 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 prefix listener functionality.
+ */
+public class PrefixListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if value of prefix is correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processPrefixInvalidValue() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/PrefixInvalidValue.yang");
+ }
+
+ /**
+ * Checks if prefix listener updates the data model tree.
+ */
+ @Test
+ public void processPrefixValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/PrefixValidEntry.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getPrefix(), is("On"));
+ }
+
+ /**
+ * Checks that prefix should be present just once.
+ */
+ @Test(expected = ParserException.class)
+ public void processPrefixDualEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/PrefixDualEntry.yang");
+ }
+
+ /**
+ * Checks if prefix syntax is followed.
+ */
+ @Test(expected = ParserException.class)
+ public void processPrefixMissingValue() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/PrefixMissingValue.yang");
+ }
+
+ /**
+ * Checks that exception should be reported if prefix is missing.
+ */
+ @Test(expected = ParserException.class)
+ public void processPrefixOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/PrefixOrder.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RevisionDateListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RevisionDateListenerTest.java
new file mode 100644
index 0000000..df56913
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RevisionDateListenerTest.java
@@ -0,0 +1,95 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 revision date listener functionality.
+ */
+public class RevisionDateListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if revision date syntax is correct in include.
+ */
+ @Test(expected = ParserException.class)
+ public void processRevisionDateInvalidSyntaxAtInclude() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionDateInvalidSyntaxAtInclude.yang");
+ }
+
+ /**
+ * Checks if revision date syntax is correct in import.
+ */
+ @Test(expected = ParserException.class)
+ public void processRevisionDateInvalidSyntaxAtImport() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionDateInvalidSyntaxAtImport.yang");
+ }
+
+ /**
+ * Checks revision date should not be in quotes inside include.
+ */
+ @Test(expected = ParserException.class)
+ public void processRevisionDateInQuotesAtInclude() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionDateInQuotesAtInclude.yang");
+ }
+
+ /**
+ * Checks revision date should not be in quotes inside import.
+ */
+ @Test(expected = ParserException.class)
+ public void processRevisionDateInQuotesAtImport() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionDateInQuotesAtImport.yang");
+ }
+
+ /**
+ * Checks if revision date follows YYYY-MM-DD format.
+ */
+ @Test(expected = ParserException.class)
+ public void processRevisionDateInvalidFormat() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionDateInvalidFormat.yang");
+ }
+
+ /**
+ * Checks if revision date listener updates the data model tree.
+ */
+ @Test
+ public void processRevisionDateValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionDateValidEntry.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getImportList().get(0).getRevision(), is("2015-02-03"));
+ assertThat(((YangModule) node).getIncludeList().get(0).getRevision(), is("2016-02-03"));
+ assertThat(((YangModule) node).getIncludeList().get(1).getRevision(), is("2014-02-03"));
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RevisionListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RevisionListenerTest.java
new file mode 100644
index 0000000..8226442
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RevisionListenerTest.java
@@ -0,0 +1,67 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 revision listener functionality.
+ */
+public class RevisionListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if revision doesn't have optional parameters "revision and
+ * description".
+ */
+ @Test
+ public void processRevisionNoOptionalParameter() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionNoOptionalParameter.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getRevision().getRevDate(), is("2016-02-03"));
+ }
+
+ /**
+ * Checks if the syntax of revision is correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processRevisionInValidSyntax() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionInValidSyntax.yang");
+ }
+
+ /**
+ * Checks if the correct order is followed.
+ */
+ @Test(expected = ParserException.class)
+ public void processRevisionInValidOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/RevisionInValidOrder.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/SubModuleListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/SubModuleListenerTest.java
new file mode 100644
index 0000000..c3028de
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/SubModuleListenerTest.java
@@ -0,0 +1,129 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangNodeType;
+import org.onosproject.yangutils.datamodel.YangSubModule;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 submodule listener functionality.
+ */
+public class SubModuleListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if the sub module listeners updates the data model tree.
+ */
+ @Test
+ public void processSubModuleValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/SubModuleValidEntry.yang");
+
+ // Check whether the data model tree returned is of type module.
+ assertThat((node instanceof YangSubModule), is(true));
+
+ // Check whether the node type is set properly to module.
+ assertThat(node.getNodeType(), is(YangNodeType.SUB_MODULE_NODE));
+
+ YangSubModule yangNode = (YangSubModule) node;
+ // Check whether the module name is set correctly.
+ assertThat(yangNode.getName(), is("Test"));
+ // Checks for the version value in data model tree.
+ assertThat(yangNode.getVersion(), is((byte) 1));
+ // Checks identifier of belongsto in data model tree.
+ assertThat(yangNode.getBelongsTo().getBelongsToModuleName(), is("ONOS"));
+ // Checks for the version value in data model tree.
+ assertThat(yangNode.getBelongsTo().getPrefix(), is("On1"));
+ }
+
+ /**
+ * Checks if the yang version and belongs to can come in any order in sub
+ * module.
+ */
+ @Test
+ public void processSubModuleOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/SubModuleOrder.yang");
+
+ // Check whether the data model tree returned is of type module.
+ assertThat((node instanceof YangSubModule), is(true));
+
+ // Check whether the node type is set properly to module.
+ assertThat(node.getNodeType(), is(YangNodeType.SUB_MODULE_NODE));
+
+ YangSubModule yangNode = (YangSubModule) node;
+ // Check whether the module name is set correctly.
+ assertThat(yangNode.getName(), is("Test"));
+ // Checks for the version value in data model tree.
+ assertThat(yangNode.getVersion(), is((byte) 1));
+ // Checks identifier of belongsto in data model tree.
+ assertThat(yangNode.getBelongsTo().getBelongsToModuleName(), is("ONOS"));
+ // Checks for the version value in data model tree.
+ assertThat(yangNode.getBelongsTo().getPrefix(), is("On1"));
+ }
+
+ /**
+ * Checks if yang version is optional.
+ */
+ @Test
+ public void processSubModuleWithoutVersion() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/SubModuleWithoutVersion.yang");
+
+ // Check whether the data model tree returned is of type module.
+ assertThat((node instanceof YangSubModule), is(true));
+
+ // Check whether the node type is set properly to module.
+ assertThat(node.getNodeType(), is(YangNodeType.SUB_MODULE_NODE));
+
+ YangSubModule yangNode = (YangSubModule) node;
+ // Check whether the module name is set correctly.
+ assertThat(yangNode.getName(), is("Test"));
+ // Checks identifier of belongsto in data model tree.
+ assertThat(yangNode.getBelongsTo().getBelongsToModuleName(), is("ONOS"));
+ // Checks for the version value in data model tree.
+ assertThat(yangNode.getBelongsTo().getPrefix(), is("On1"));
+ }
+
+ /**
+ * Checks if sub module name is correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processSubModuleInvalidName() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/SubModuleInvalidName.yang");
+ }
+
+ /**
+ * Checks if sub module has invalid modules construct eg namespace.
+ */
+ @Test(expected = ParserException.class)
+ public void processSubModuleWithNamespace() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/SubModuleWithNamespace.yang");
+ }
+}
\ No newline at end of file
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/VersionListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/VersionListenerTest.java
new file mode 100644
index 0000000..2338604
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/VersionListenerTest.java
@@ -0,0 +1,99 @@
+/*
+ * 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.Test;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+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 version listener functionality.
+ */
+public class VersionListenerTest {
+
+ private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+ /**
+ * Checks if value of version is correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processVersionInvalidValue() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/VersionInvalidValue.yang");
+ }
+
+ /**
+ * Checks if version listener updates the data model tree.
+ */
+ @Test
+ public void processVersionValidEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/VersionValidEntry.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getVersion(), is((byte) 1));
+ }
+
+ /**
+ * Checks if version which is optional paramater is not present.
+ */
+ @Test
+ public void processVersionNotPresent() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/VersionNotPresent.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getVersion(), is((byte) 0));
+ }
+
+ /**
+ * Checks that version should be present only once.
+ */
+ @Test(expected = ParserException.class)
+ public void processVersionDualEntry() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/VersionDualEntry.yang");
+ }
+
+ /**
+ * Checks if version can appear in any order in module header.
+ */
+ @Test
+ public void processVersionOrder() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/VersionOrder.yang");
+
+ // Checks for the version value in data model tree.
+ assertThat(((YangModule) node).getVersion(), is((byte) 1));
+ }
+
+ /**
+ * Checks if sytax of version entry is not correct.
+ */
+ @Test(expected = ParserException.class)
+ public void processVersionInvalidSyntax() throws IOException, ParserException {
+
+ YangNode node = manager.getDataModel("src/test/resources/VersionInvalidSyntax.yang");
+ }
+}
\ No newline at end of file