[ONOS-3878, 3876, 3879] Yang Parser Manager with Stack and Error Validation
Change-Id: I10e68bd676eca4d576de1234fbb67026c7b49939
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/parseutils/ListenerValidationTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/parseutils/ListenerValidationTest.java
new file mode 100644
index 0000000..c047f2b
--- /dev/null
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/parseutils/ListenerValidationTest.java
@@ -0,0 +1,103 @@
+/*
+ * 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.parseutils;
+
+import org.junit.Test;
+import org.onosproject.yangutils.datamodel.YangRevision;
+import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerError;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Test case for testing listener validation util.
+ */
+public class ListenerValidationTest {
+
+ /**
+ * This test case checks in case error pre-exists, listener validate
+ * function returns true.
+ */
+ @Test
+ public void listenerValidationErrorExists() {
+
+ // Create an test error.
+ ListenerError testError = new ListenerError();
+ testError.setErrorFlag(true);
+ testError.setErrorMsg("Test Error");
+
+ // Create test walker and assign test error to it.
+ TreeWalkListener testWalker = new TreeWalkListener();
+ testWalker.setErrorInformation(testError);
+
+ // Create a temporary node of parsable.
+ YangRevision tmpNode = new YangRevision();
+ testWalker.getParsedDataStack().push(tmpNode);
+
+ boolean errorFlag = ListenerValidation.preValidation(testWalker, "ErrorTest");
+
+ /**
+ * Check for the values set in syntax error function. If not set properly
+ * report an assert.
+ */
+ assertThat(errorFlag, is(true));
+ }
+
+ /**
+ * This test case checks in case parsable stack is empty, listener validate
+ * function returns true.
+ */
+ @Test
+ public void listenerValidationEmptyStack() {
+
+ // Create test walker and assign test error to it.
+ TreeWalkListener testWalker = new TreeWalkListener();
+
+ boolean errorFlag = ListenerValidation.preValidation(testWalker, "ErrorTest");
+
+ /**
+ * Check for the values set in syntax error function. If not set properly
+ * report an assert.
+ */
+ assertThat(errorFlag, is(true));
+ }
+
+ /**
+ * This test case checks in case of error doesn't pre-exists and stack is,
+ * non empty, listener validate function returns false.
+ */
+ @Test
+ public void listenerValidationNoErrorNotExists() {
+
+ // Create test walker and assign test error to it.
+ TreeWalkListener testWalker = new TreeWalkListener();
+
+ // Create a temporary node of parsable.
+ YangRevision tmpNode = new YangRevision();
+ testWalker.getParsedDataStack().push(tmpNode);
+
+ boolean errorFlag = ListenerValidation.preValidation(testWalker, "ErrorTest");
+
+ /**
+ * Check for the values set in syntax error function. If not set properly
+ * report an assert.
+ */
+ assertThat(errorFlag, is(false));
+ }
+}
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