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Catel - Part 4 of n: Unit testing with Catel

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28 Jan 2011CPOL11 min read 48.9K   572   11  
This article explains how to write unit tests for MVVM using Catel.
using Catel.Windows.Data.Converters;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Catel.Test.Windows.Data.Converters
{
    /// <summary>
    ///This is a test class for IsSelectedConverterTest and is intended
    ///to contain all IsSelectedConverterTest Unit Tests
    ///</summary>
    [TestClass]
    public class IsSelectedConverterTest
    {
        [TestMethod]
        public void Convert_Null()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(false, converter.Convert(null, typeof(bool), null, null));
        }

        [TestMethod]
        public void Convert_True()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(true, converter.Convert(true, typeof(bool), null, null));
        }

        [TestMethod]
        public void Convert_True_ParameterFalse()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(true, converter.Convert(true, typeof(bool), false, null));
        }

        [TestMethod]
        public void Convert_True_ParameterTrue()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(true, converter.Convert(true, typeof(bool), true, null));
        }

        [TestMethod]
        public void Convert_False()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(false, converter.Convert(false, typeof(bool), null, null));
        }

        [TestMethod]
        public void Convert_False_ParameterFalse()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(false, converter.Convert(false, typeof(bool), false, null));
        }

        [TestMethod]
        public void Convert_False_ParameterTrue()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(false, converter.Convert(false, typeof(bool), true, null));
        }

        [TestMethod]
        public void ConvertBack_True()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(true, converter.ConvertBack(true, typeof(bool?), null, null));
        }

        [TestMethod]
        public void ConvertBack_True_ParameterFalse()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(true, converter.ConvertBack(true, typeof(bool?), false, null));
        }

        [TestMethod]
        public void ConvertBack_True_ParameterTrue()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(true, converter.ConvertBack(true, typeof(bool?), true, null));
        }

        [TestMethod]
        public void ConvertBack_False()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(false, converter.ConvertBack(false, typeof(bool?), null, null));
        }

        [TestMethod]
        public void ConvertBack_False_ParameterFalse()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(false, converter.ConvertBack(false, typeof(bool?), false, null));
        }

        [TestMethod]
        public void ConvertBack_False_ParameterTrue()
        {
            var converter = new IsSelectedConverter();
            Assert.AreEqual(false, converter.ConvertBack(false, typeof(bool?), true, null));
        }
    }
}

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