YANG rpc, input and output listener

Change-Id: Idd9847175c61d9f033cf80213b46e9c9c949849c
diff --git a/src/test/java/org/onosproject/yangutils/parser/impl/listeners/InputListenerTest.java b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/InputListenerTest.java
new file mode 100644
index 0000000..521b5d0
--- /dev/null
+++ b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/InputListenerTest.java
@@ -0,0 +1,111 @@
+/*
+ * 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 java.io.IOException;
+import java.util.ListIterator;
+
+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.datamodel.YangRpc;
+import org.onosproject.yangutils.datamodel.YangInput;
+import org.onosproject.yangutils.datamodel.YangLeaf;
+import org.onosproject.yangutils.datamodel.YangList;
+import org.onosproject.yangutils.datamodel.YangContainer;
+import org.onosproject.yangutils.datamodel.YangTypeDef;
+import org.onosproject.yangutils.datamodel.YangStatusType;
+import org.onosproject.yangutils.datamodel.YangDataTypes;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.YangUtilsParserManager;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Test cases for testing Input listener functionality.
+ */
+public class InputListenerTest {
+
+    private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+    /**
+     * Checks input statements with data definition statements as sub-statements.
+     */
+    @Test
+    public void processInputStatementWithDataDefinition() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/InputStatementWithDataDefinition.yang");
+
+        assertThat((node instanceof YangModule), is(true));
+        assertThat(node.getNodeType(), is(YangNodeType.MODULE_NODE));
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("rock"));
+
+        YangRpc yangRpc = (YangRpc) yangNode.getChild();
+        assertThat(yangRpc.getName(), is("activate-software-image"));
+
+        YangInput yangInput = (YangInput) yangRpc.getChild();
+        assertThat(yangInput.getName(), is("activate-software-imageInput"));
+        ListIterator<YangLeaf> leafIterator = yangInput.getListOfLeaf().listIterator();
+        YangLeaf leafInfo = leafIterator.next();
+
+        assertThat(leafInfo.getLeafName(), is("image-name"));
+        assertThat(leafInfo.getDataType().getDataTypeName(), is("string"));
+
+        YangList yangList = (YangList) yangInput.getChild();
+        assertThat(yangList.getName(), is("ospf"));
+        assertThat(yangList.getKeyList().contains("invalid-interval"), is(true));
+        assertThat(yangList.isConfig(), is(true));
+        assertThat(yangList.getMaxElements(), is(10));
+        assertThat(yangList.getMinElements(), is(3));
+        leafIterator = yangList.getListOfLeaf().listIterator();
+        leafInfo = leafIterator.next();
+        assertThat(leafInfo.getLeafName(), is("invalid-interval"));
+        assertThat(leafInfo.getDataType().getDataTypeName(), is("uint16"));
+
+        YangContainer yangContainer = (YangContainer) yangList.getNextSibling();
+        assertThat(yangContainer.getName(), is("isis"));
+
+        leafIterator = yangContainer.getListOfLeaf().listIterator();
+        leafInfo = leafIterator.next();
+        assertThat(leafInfo.getLeafName(), is("invalid-interval"));
+        assertThat(leafInfo.getDataType().getDataTypeName(), is("uint16"));
+    }
+
+    /**
+     * Checks input statements with type-def statement as sub-statements.
+     */
+    @Test
+    public void processInputStatementWithTypedef() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/InputStatementWithTypedef.yang");
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("rock"));
+
+        YangRpc yangRpc = (YangRpc) yangNode.getChild();
+        assertThat(yangRpc.getName(), is("activate-software-image"));
+
+        YangInput yangInput = (YangInput) yangRpc.getChild();
+        assertThat(yangInput.getName(), is("activate-software-imageInput"));
+        YangTypeDef typeDef = (YangTypeDef) yangInput.getChild();
+        assertThat(typeDef.getName(), is("my-type"));
+        assertThat(typeDef.getStatus(), is(YangStatusType.DEPRECATED));
+        assertThat(typeDef.getDataType().getDataType(), is(YangDataTypes.INT32));
+    }
+}
diff --git a/src/test/java/org/onosproject/yangutils/parser/impl/listeners/OutputListenerTest.java b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/OutputListenerTest.java
new file mode 100644
index 0000000..1702d35
--- /dev/null
+++ b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/OutputListenerTest.java
@@ -0,0 +1,113 @@
+/*
+ * 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 java.io.IOException;
+import java.util.ListIterator;
+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.datamodel.YangRpc;
+import org.onosproject.yangutils.datamodel.YangOutput;
+import org.onosproject.yangutils.datamodel.YangLeaf;
+import org.onosproject.yangutils.datamodel.YangList;
+import org.onosproject.yangutils.datamodel.YangContainer;
+import org.onosproject.yangutils.datamodel.YangTypeDef;
+import org.onosproject.yangutils.datamodel.YangStatusType;
+import org.onosproject.yangutils.datamodel.YangDataTypes;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.YangUtilsParserManager;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Test cases for testing output listener functionality.
+ */
+public class OutputListenerTest {
+
+    private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+    /**
+     * Checks output statements with data definition statements as sub-statements.
+     */
+    @Test
+    public void processOutputStatementWithDataDefinition() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/OutputStatementWithDataDefinition.yang");
+
+        assertThat((node instanceof YangModule), is(true));
+        assertThat(node.getNodeType(), is(YangNodeType.MODULE_NODE));
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("rock"));
+
+        YangRpc yangRpc = (YangRpc) yangNode.getChild();
+        assertThat(yangRpc.getName(), is("activate-software-image"));
+
+        YangOutput yangOutput = (YangOutput) yangRpc.getChild();
+        assertThat(yangOutput.getName(), is("activate-software-imageOutput"));
+        ListIterator<YangLeaf> leafIterator = yangOutput.getListOfLeaf().listIterator();
+        YangLeaf leafInfo = leafIterator.next();
+
+        assertThat(leafInfo.getLeafName(), is("image-name"));
+        assertThat(leafInfo.getDataType().getDataTypeName(), is("string"));
+
+        YangList yangList = (YangList) yangOutput.getChild();
+        assertThat(yangList.getName(), is("ospf"));
+        assertThat(yangList.getKeyList().contains("invalid-interval"), is(true));
+        assertThat(yangList.isConfig(), is(true));
+        assertThat(yangList.getMaxElements(), is(10));
+        assertThat(yangList.getMinElements(), is(3));
+        leafIterator = yangList.getListOfLeaf().listIterator();
+        leafInfo = leafIterator.next();
+        assertThat(leafInfo.getLeafName(), is("invalid-interval"));
+        assertThat(leafInfo.getDataType().getDataTypeName(), is("uint16"));
+
+        YangContainer yangContainer = (YangContainer) yangList.getNextSibling();
+        assertThat(yangContainer.getName(), is("isis"));
+
+        leafIterator = yangContainer.getListOfLeaf().listIterator();
+        leafInfo = leafIterator.next();
+        assertThat(leafInfo.getLeafName(), is("invalid-interval"));
+        assertThat(leafInfo.getDataType().getDataTypeName(), is("uint16"));
+    }
+
+    /**
+     * Checks output statements with type-def statement as sub-statements.
+     */
+    @Test
+    public void processOutputStatementWithTypedef() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/OutputStatementWithTypedef.yang");
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("rock"));
+
+        YangRpc yangRpc = (YangRpc) yangNode.getChild();
+        assertThat(yangRpc.getName(), is("activate-software-image"));
+
+        YangOutput yangOutput = (YangOutput) yangRpc.getChild();
+        assertThat(yangOutput.getName(), is("activate-software-imageOutput"));
+        YangTypeDef typeDef = (YangTypeDef) yangOutput.getChild();
+        assertThat(typeDef.getName(), is("my-type"));
+        assertThat(typeDef.getStatus(), is(YangStatusType.DEPRECATED));
+        assertThat(typeDef.getName(), is("my-type"));
+        assertThat(typeDef.getStatus(), is(YangStatusType.DEPRECATED));
+        assertThat(typeDef.getDataType().getDataType(), is(YangDataTypes.INT32));
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RpcListenerTest.java b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RpcListenerTest.java
new file mode 100644
index 0000000..9b06c4d
--- /dev/null
+++ b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/RpcListenerTest.java
@@ -0,0 +1,66 @@
+/*
+ * 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 java.io.IOException;
+
+import org.junit.Test;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangRpc;
+import org.onosproject.yangutils.datamodel.YangTypeDef;
+import org.onosproject.yangutils.datamodel.YangStatusType;
+import org.onosproject.yangutils.datamodel.YangNodeType;
+import org.onosproject.yangutils.datamodel.YangDataTypes;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.YangUtilsParserManager;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Test cases for testing Rpc listener functionality.
+ */
+public class RpcListenerTest {
+
+    private final YangUtilsParserManager manager = new YangUtilsParserManager();
+
+    /**
+     * Checks valid rpc statements.
+     */
+    @Test
+    public void processValidRpcStatement() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/ValidRpcStatement.yang");
+
+        assertThat((node instanceof YangModule), is(true));
+        assertThat(node.getNodeType(), is(YangNodeType.MODULE_NODE));
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("rock"));
+
+        YangRpc yangRpc = (YangRpc) yangNode.getChild();
+        assertThat(yangRpc.getName(), is("rock-the-house"));
+        assertThat(yangRpc.getDescription(), is("\"description\""));
+        assertThat(yangRpc.getReference(), is("\"reference\""));
+        assertThat(yangRpc.getStatus(), is(YangStatusType.CURRENT));
+
+        YangTypeDef typeDef = (YangTypeDef) yangRpc.getChild();
+        assertThat(typeDef.getName(), is("my-type"));
+        assertThat(typeDef.getStatus(), is(YangStatusType.DEPRECATED));
+        assertThat(typeDef.getDataType().getDataType(), is(YangDataTypes.INT32));
+    }
+}
diff --git a/src/test/resources/InputStatementWithDataDefinition.yang b/src/test/resources/InputStatementWithDataDefinition.yang
new file mode 100644
index 0000000..0adf3d3
--- /dev/null
+++ b/src/test/resources/InputStatementWithDataDefinition.yang
@@ -0,0 +1,28 @@
+module rock {
+    namespace "http://example.net/rock";
+    prefix "rock";
+
+    rpc activate-software-image {
+        description "description";
+        input {
+            leaf image-name {
+                type string;
+            }
+            list ospf {
+                key "invalid-interval";
+                config true;
+                max-elements 10;
+                min-elements 3;
+                leaf invalid-interval {
+                    type uint16;
+                }
+            }
+            container isis {
+               config true;
+               leaf invalid-interval {
+                   type uint16;
+               }
+           }
+        }
+    }
+}
diff --git a/src/test/resources/InputStatementWithTypedef.yang b/src/test/resources/InputStatementWithTypedef.yang
new file mode 100644
index 0000000..25ca73d
--- /dev/null
+++ b/src/test/resources/InputStatementWithTypedef.yang
@@ -0,0 +1,17 @@
+module rock {
+    namespace "http://example.net/rock";
+    prefix "rock";
+
+    rpc activate-software-image {
+        description "description";
+        input {
+            leaf image-name {
+                type string;
+            }
+            typedef my-type {
+                status deprecated;
+                type int32;
+            }
+        }
+    }
+}
diff --git a/src/test/resources/OutputStatementWithDataDefinition.yang b/src/test/resources/OutputStatementWithDataDefinition.yang
new file mode 100644
index 0000000..527b399
--- /dev/null
+++ b/src/test/resources/OutputStatementWithDataDefinition.yang
@@ -0,0 +1,28 @@
+module rock {
+    namespace "http://example.net/rock";
+    prefix "rock";
+
+    rpc activate-software-image {
+        description "description";
+        output {
+            leaf image-name {
+                type string;
+            }
+            list ospf {
+                key "invalid-interval";
+                config true;
+                max-elements 10;
+                min-elements 3;
+                leaf invalid-interval {
+                    type uint16;
+                }
+            }
+            container isis {
+               config true;
+               leaf invalid-interval {
+                   type uint16;
+               }
+           }
+        }
+    }
+}
diff --git a/src/test/resources/OutputStatementWithTypedef.yang b/src/test/resources/OutputStatementWithTypedef.yang
new file mode 100644
index 0000000..6027c2d
--- /dev/null
+++ b/src/test/resources/OutputStatementWithTypedef.yang
@@ -0,0 +1,17 @@
+module rock {
+    namespace "http://example.net/rock";
+    prefix "rock";
+
+    rpc activate-software-image {
+        description "description";
+        output {
+            leaf image-name {
+                type string;
+            }
+            typedef my-type {
+                status deprecated;
+                type int32;
+            }
+        }
+    }
+}
diff --git a/src/test/resources/ValidRpcStatement.yang b/src/test/resources/ValidRpcStatement.yang
new file mode 100644
index 0000000..f188227
--- /dev/null
+++ b/src/test/resources/ValidRpcStatement.yang
@@ -0,0 +1,24 @@
+module rock {
+    namespace "http://example.net/rock";
+    prefix "rock";
+
+    rpc rock-the-house {
+        description "description";
+        status current;
+        reference "reference";
+        typedef my-type {
+           status deprecated;
+           type int32;
+        }
+        input {
+            leaf zip-code {
+                type string;
+            }
+        }
+        output {
+             leaf status {
+                 type string;
+             }
+        }
+    }
+}