diff --git a/utils/yangutils/plugin/src/test/java/org/onosproject/yangutils/translator/tojava/javamodel/AttributesJavaDataTypeTest.java b/utils/yangutils/plugin/src/test/java/org/onosproject/yangutils/translator/tojava/javamodel/AttributesJavaDataTypeTest.java
new file mode 100644
index 0000000..5a603c5
--- /dev/null
+++ b/utils/yangutils/plugin/src/test/java/org/onosproject/yangutils/translator/tojava/javamodel/AttributesJavaDataTypeTest.java
@@ -0,0 +1,201 @@
+/*
+ * Copyright 2016-present 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.translator.tojava.javamodel;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import org.junit.Test;
+import org.onosproject.yangutils.datamodel.YangDataTypes;
+import org.onosproject.yangutils.datamodel.YangDerivedInfo;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangType;
+import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
+import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
+import org.onosproject.yangutils.utils.io.impl.YangToJavaNamingConflictUtil;
+
+import static org.hamcrest.core.Is.is;
+import static org.hamcrest.core.IsNot.not;
+import static org.junit.Assert.assertThat;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.BOOLEAN;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.DERIVED;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.INT32;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.STRING;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.UINT8;
+import static org.onosproject.yangutils.translator.tojava.javamodel.AttributesJavaDataType.getJavaDataType;
+import static org.onosproject.yangutils.translator.tojava.javamodel.AttributesJavaDataType.getJavaImportClass;
+import static org.onosproject.yangutils.translator.tojava.javamodel.AttributesJavaDataType.getJavaImportPackage;
+import static org.onosproject.yangutils.utils.UtilConstants.JAVA_LANG;
+
+/**
+ * Unit test case for attribute java data type.
+ */
+public class AttributesJavaDataTypeTest {
+
+    private static final YangDataTypes TYPE1 = STRING;
+    private static final YangDataTypes TYPE2 = INT32;
+    private static final YangDataTypes TYPE3 = BOOLEAN;
+    private static final YangDataTypes TYPE4 = UINT8;
+    private static final YangDataTypes TYPE_DEF = DERIVED;
+    private static final String CLASS_INFO1 = "String";
+    private static final String CLASS_INFO2 = "int";
+    private static final String CLASS_INFO3 = "boolean";
+    private static final String CLASS_INFO4 = "short";
+    private static final String CLASS_INFO5 = "Integer";
+    private static final String TYPE_DEF_PKG = "target.test";
+    private static String test = "";
+    private static YangToJavaNamingConflictUtil pluginConfig = null;
+
+    /**
+     * Unit test for private constructor.
+     *
+     * @throws SecurityException if any security violation is observed
+     * @throws NoSuchMethodException if when the method is not found
+     * @throws IllegalArgumentException if there is illegal argument found
+     * @throws InstantiationException if instantiation is provoked for the private constructor
+     * @throws IllegalAccessException if instance is provoked or a method is provoked
+     * @throws InvocationTargetException when an exception occurs by the method or constructor
+     */
+    @Test
+    public void callPrivateConstructors()
+            throws SecurityException, NoSuchMethodException, IllegalArgumentException,
+            InstantiationException, IllegalAccessException, InvocationTargetException {
+
+        Class<?>[] classesToConstruct = {AttributesJavaDataType.class };
+        for (Class<?> clazz : classesToConstruct) {
+            Constructor<?> constructor = clazz.getDeclaredConstructor();
+            constructor.setAccessible(true);
+            assertThat(null, not(constructor.newInstance()));
+        }
+    }
+
+    /**
+     * Unit test for java class info method test.
+     */
+    @Test
+    public void testgetJavaClassInfo() {
+        test = getJavaImportClass(getStubYangType(TYPE1), false, pluginConfig);
+        assertThat(true, is(test.equals(CLASS_INFO1)));
+
+        test = getJavaImportClass(getStubYangType(TYPE2), true, pluginConfig);
+        assertThat(true, is(test.equals(CLASS_INFO5)));
+
+        test = getJavaImportClass(getStubYangType(TYPE3), false, pluginConfig);
+        assertThat(null, is(test));
+
+        test = getJavaImportClass(getStubYangType(TYPE4), false, pluginConfig);
+        assertThat(null, is(test));
+    }
+
+    /**
+     * Unit test for java data type method.
+     */
+    @Test
+    public void testgetJavaDataType() {
+        test = getJavaDataType(getStubYangType(TYPE1));
+        assertThat(true, is(test.equals(CLASS_INFO1)));
+
+        test = getJavaDataType(getStubYangType(TYPE2));
+        assertThat(true, is(test.equals(CLASS_INFO2)));
+
+        test = getJavaDataType(getStubYangType(TYPE3));
+        assertThat(true, is(test.equals(CLASS_INFO3)));
+
+        test = getJavaDataType(getStubYangType(TYPE4));
+        assertThat(true, is(test.equals(CLASS_INFO4)));
+    }
+
+    /**
+     * Unit test for java package info method.
+     */
+    @Test
+    public void testgetJavaPkgInfo() {
+        test = getJavaImportPackage(getStubYangType(TYPE1), false, pluginConfig);
+        assertThat(true, is(test.equals(JAVA_LANG)));
+
+        test = getJavaImportPackage(getStubYangType(TYPE2), true, pluginConfig);
+        assertThat(true, is(test.equals(JAVA_LANG)));
+
+        test = getJavaImportPackage(getStubYangType(TYPE3), false, pluginConfig);
+        assertThat(null, is(test));
+
+        test = getJavaImportPackage(getStubYangType(TYPE4), false, pluginConfig);
+        assertThat(null, is(test));
+    }
+
+    /**
+     * Unit test case for typedef.
+     *
+     * @throws DataModelException when fails to do data model operations
+     */
+    @Test
+    public void testForTypeDef() throws DataModelException {
+        test = getJavaImportPackage(getStubExtendedInfo(getStubYangType(TYPE_DEF)), false, pluginConfig);
+        assertThat(true, is(test.equals(TYPE_DEF_PKG)));
+    }
+
+    /**
+     * Returns stub YANG type for test.
+     *
+     * @param dataTypes YANG data types
+     * @return YANG type
+     */
+    private YangType<?> getStubYangType(YangDataTypes dataTypes) {
+        YangType<?> type = new YangType<>();
+        type.setDataType(dataTypes);
+        return type;
+    }
+
+    /**
+     * Returns YANG type with extended info.
+     *
+     * @param type YANG type
+     * @return YANG type with extended info
+     * @throws DataModelException when fails to do data model operations
+     */
+    @SuppressWarnings("unchecked")
+    private YangType<?> getStubExtendedInfo(YangType<?> type) throws DataModelException {
+        YangJavaTypeDef typedef = new YangJavaTypeDef();
+        getStubParent().addChild(typedef);
+        YangDerivedInfo<?> derInfo = new YangDerivedInfo<>();
+        derInfo.setReferredTypeDef(typedef);
+        ((YangType<YangDerivedInfo<?>>) type).setDataTypeExtendedInfo(derInfo);
+        return type;
+    }
+
+    /**
+     * Returns java file info.
+     *
+     * @return java file info
+     */
+    private JavaFileInfo addStubJavaFileInfo() {
+        JavaFileInfo fileInfo = new JavaFileInfo();
+        fileInfo.setJavaName("test");
+        fileInfo.setPackage("target");
+        return fileInfo;
+    }
+
+    /**
+     * Adds stub parent module for typedef.
+     *
+     * @return stub parent module
+     */
+    private YangNode getStubParent() {
+        YangJavaModule parent = new YangJavaModule();
+        parent.setJavaFileInfo(addStubJavaFileInfo());
+        return parent;
+    }
+}