Coverage report

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org.apache.commons.jexl.junit.Asserter |
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100% |

1 |  |
     /*
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      * Copyright 2003,2004 The Apache Software Foundation.
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      *
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      * Licensed under the Apache License, Version 2.0 (the "License");
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      * you may not use this file except in compliance with the License.
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      * You may obtain a copy of the License at
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      *
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      *      http://www.apache.org/licenses/LICENSE-2.0
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      *
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      * Unless required by applicable law or agreed to in writing, software
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      * distributed under the License is distributed on an "AS IS" BASIS,
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      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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      * See the License for the specific language governing permissions and
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      * limitations under the License.
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      */
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     package org.apache.commons.jexl.junit;
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     import java.util.HashMap;
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     import java.util.Map;
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     import junit.framework.Assert;
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     import org.apache.commons.jexl.Expression;
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     import org.apache.commons.jexl.ExpressionFactory;
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     import org.apache.commons.jexl.JexlContext;
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     import org.apache.commons.jexl.JexlHelper;
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     /**
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      * A utility class for performing JUnit based assertions using Jexl
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      * expressions. This class can make it easier to do unit tests using
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      * Jexl navigation expressions.
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      *
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      * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
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      * @version $Revision: 1.4 $
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      */
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     public class Asserter extends Assert {
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         private Map variables = new HashMap();
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         private JexlContext context = JexlHelper.createContext();
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         public Asserter() {}
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         /**
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          * This constructor will register the given variableValue as the
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          * "this" variable.
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          *
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          * @param variableValue
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          */
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         public Asserter(Object variableValue) {
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             setVariable("this", variableValue);
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         }
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         /**
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          * Performs an assertion that the value of the given Jexl expression
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          * evaluates to the given expected value
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          *
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          * @param expression is the Jexl expression to evaluate
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          * @param expected is the expected value of the expression
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          * @throws Exception if the expression could not be evaluationed or an assertion
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          * fails
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          */
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         public void assertExpression(String expression, Object expected) throws Exception {
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             Expression exp = ExpressionFactory.createExpression(expression);
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             context.setVars(variables);
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             Object value = exp.evaluate(context);
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             assertEquals("expression: " + expression, expected, value);
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         }
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         /**
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          * Puts a variable of a certain name in the context so that it can be used from
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          * assertion expressions.
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          *
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          * @param name
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          * @param value
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          */
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         public void setVariable(String name, Object value) {
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             variables.put(name, value);
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         }
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     }

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