#region License
/*
* Copyright 2002-2004 the original author or authors.
*
* 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.
*/
#endregion
using System;
using System.Collections;
using NUnit.Framework;
using Spring.Expressions;
namespace Spring.Validation.Actions{
/// <summary>
/// Unit tests for the ExpressionAction class.
/// </summary>
/// <author>Aleksandar Seovic</author>
[TestFixture]
public class ExpressionActionTests
{
[Test]
public void WhenValid()
{
Inventor context = new Inventor("Nikola Tesla", new DateTime(1856, 7, 9), "Serbian");
IDictionary vars = new Hashtable();
ExpressionAction action = new ExpressionAction("#result = 'valid'", "#result = 'invalid'");
action.Execute(true, context, vars, null);
Assert.AreEqual("valid", vars["result"]);
action = new ExpressionAction(Expression.Parse("#result = Name"), Expression.Parse("#result = Nationality"));
action.Execute(true, context, vars, null);
Assert.AreEqual(context.Name, vars["result"]);
action = new ExpressionAction();
action.Valid = Expression.Parse("#result = DOB.Year");
action.Invalid = Expression.Parse("#result = DOB.Month");
action.Execute(true, context, vars, null);
Assert.AreEqual(context.DOB.Year, vars["result"]);
vars.Clear();
action = new ExpressionAction(null, "#result = 'invalid'");
action.Execute(true, context, vars, null);
Assert.IsFalse(vars.Contains("result"), "Result should not exist when valid expression is null.");
}
[Test]
public void WhenInvalid()
{
Inventor context = new Inventor("Nikola Tesla", new DateTime(1856, 7, 9), "Serbian");
IDictionary vars = new Hashtable();
ExpressionAction action = new ExpressionAction("#result = 'valid'", "#result = 'invalid'");
action.Execute(false, context, vars, null);
Assert.AreEqual("invalid", vars["result"]);
action = new ExpressionAction(Expression.Parse("#result = Name"), Expression.Parse("#result = Nationality"));
action.Execute(false, context, vars, null);
Assert.AreEqual(context.Nationality, vars["result"]);
action = new ExpressionAction();
action.Valid = Expression.Parse("#result = DOB.Year");
action.Invalid = Expression.Parse("#result = DOB.Month");
action.Execute(false, context, vars, null);
Assert.AreEqual(context.DOB.Month, vars["result"]);
vars.Clear();
action = new ExpressionAction("#result = 'valid'", null);
action.Execute(false, context, vars, null);
Assert.IsFalse(vars.Contains("result"), "Result should not exist when invalid expression is null.");
}
[Test]
public void WhenActionIsNotExecutedBecauseWhenExpressionReturnsFalse()
{
Inventor context = new Inventor("Nikola Tesla", new DateTime(1856, 7, 9), "Serbian");
IDictionary vars = new Hashtable();
ExpressionAction action = new ExpressionAction("#result = 'valid'", "#result = 'invalid'");
action.When = Expression.Parse("false");
action.Execute(true, context, vars, null);
Assert.IsFalse(vars.Contains("result"));
}
}
}
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