ExpressionTest.java

/*
 * Copyright 2010 Lincoln Baxter, III
 * 
 * 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.ocpsoft.pretty.faces.el;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

import com.ocpsoft.pretty.faces.el.Expressions;

public class ExpressionTest
{
   @Test
   public void testEmpty() throws Exception
   {
      assertFalse(Expressions.isEL(""));
      assertFalse(Expressions.containsEL(""));
   }

   @Test
   public void testNotAnExpression() throws Exception
   {
      assertFalse(Expressions.isEL("Not an expression."));
      assertFalse(Expressions.containsEL("Not an expression."));
   }

   @Test
   public void testEmbeddedExpression() throws Exception
   {
      assertFalse(Expressions.isEL("This contains an #{expression}."));
      assertTrue(Expressions.containsEL("This contains an #{expression}."));
   }

   @Test
   public void testErroneousExpressionLeft() throws Exception
   {
      assertFalse(Expressions.isEL("#{expre{ssion}"));
   }

   @Test
   public void testErroneousExpressionRight() throws Exception
   {
      assertFalse(Expressions.isEL("#{expre}ssion}"));
      assertTrue(Expressions.containsEL("#{expre}ssion}"));
      assertTrue(Expressions.containsEL("This contains an #{expre}ssion}."));
   }

   @Test
   public void testIsExpression() throws Exception
   {
      assertTrue(Expressions.isEL("#{this.is.an.expression}"));
      assertTrue(Expressions.containsEL("#{this.is.an.expression}"));
   }
}