org.mule.module.spel.ExpressionFactoryTest.java Source code

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Here is the source code for org.mule.module.spel.ExpressionFactoryTest.java

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/*
 * Copyright (c) 2011, Victor Romero. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */
package org.mule.module.spel;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import org.mule.DefaultMuleMessage;
import org.mule.api.MuleContext;
import org.mule.api.MuleMessage;
import org.mule.api.registry.MuleRegistry;
import org.mule.tck.AbstractMuleTestCase;
import org.springframework.expression.Expression;

public class ExpressionFactoryTest extends AbstractMuleTestCase {

    public void testExceptionOnNull() {
        try {
            ExpressionFactory contextFactory = new ExpressionFactory();
            contextFactory.create(null);
        } catch (IllegalArgumentException e) {
            return;
        }
        fail("Create should throw IllegalArgumentException on null message");
    }

    public void testExceptionOnInvalid() {
        try {
            ExpressionFactory contextFactory = new ExpressionFactory();
            contextFactory.create("'");
        } catch (Exception e) {
            return;
        }
        fail("Create should throw ExpressionRuntimeException on invalid expression");
    }

    public void testCreate() {
        MuleRegistry muleRegistry = mock(MuleRegistry.class);
        MuleContext context = mock(MuleContext.class);
        when(context.getRegistry()).thenReturn(muleRegistry);

        MuleMessage message = new DefaultMuleMessage(null, context);
        message.setPayload("a payload");

        ExpressionFactory expressionFactory = new ExpressionFactory();
        Expression expression = expressionFactory.create("'hello'");
        expressionFactory.dispose();

        assertEquals("'hello'", expression.getExpressionString());
    }

}