AsserterTest.java

/*
* Copyright 2016 Nabarun Mondal
* 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 com.noga.njexl.lang.junit;

import com.noga.njexl.lang.Foo;
import com.noga.njexl.lang.JexlTestCase;
import junit.framework.AssertionFailedError;

import com.noga.njexl.lang.JexlEngine;

/**
 *  Simple testcases
 *
 *  @since 1.0
 */
public class AsserterTest extends JexlTestCase {
    public AsserterTest(String testName) {
        super(testName);
    }

    public void testThis() throws Exception {
        Asserter asserter = new Asserter(JEXL);
        asserter.setVariable("this", new Foo());
        
        asserter.assertExpression("this.get('abc')", "Repeat : abc");
        
        try {
            asserter.assertExpression("this.count", "Wrong Value");
            fail("This method should have thrown an assertion exception");
        }
        catch (AssertionFailedError e) {
            // it worked!
        }
    }

    public void testVariable() throws Exception {
        JexlEngine jexl = new JexlEngine();
        jexl.setSilent(true);
        Asserter asserter = new Asserter(jexl);
        asserter.setVariable("foo", new Foo());
        asserter.setVariable("person", "James");

        asserter.assertExpression("person", "James");
        asserter.assertExpression("size(person)", new Integer(5));
        
        asserter.assertExpression("foo.getCount()", new Integer(5));
        asserter.assertExpression("foo.count", new Integer(5));
        
        try {
            asserter.assertExpression("bar.count", new Integer(5));
            fail("This method should have thrown an assertion exception");
        }
        catch (AssertionFailedError e) {
            // it worked!
        }
    }
}