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Catel - Part 4 of n: Unit testing with Catel

, 28 Jan 2011 CPOL
This article explains how to write unit tests for MVVM using Catel.
Catel-04_01-unittesting.zip
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Catel.Articles.04 - Unit testing
Models
Properties
Settings.settings
Resources
Images
add.png
delete.png
edit.png
group.png
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Data
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ViewModels
Windows
Catel.Articles.04 - Unit testing.Test
Models
Properties
UI
ViewModels
Catel.Articles.Base
Data
Attributes
Properties
Settings.settings
Resources
Images
CatenaLogic.png
Preview.png
Run.png
ShowCode.png
UI
Controls
Helpers
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Windows
Catel.Core
Attributes
ClassDiagrams
DataObjectBase.cd
SavableDataObjectBase.cd
Collections
Helpers
ComponentModel
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Attributes
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Diagnostics
Extensions
Helpers
Exceptions
Helpers
IO
Exceptions
IoC
LLBLGen
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Commands
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Services
EventArgs
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Reflection
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Helpers
Catel.Examples.Models
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Catel.Examples.PersonApplication
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Catel.Examples.Silverlight
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Catel.Examples.Silverlight.Web
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Catel.FxCop
Catel.Silverlight
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log4net
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Catel.Core
Catel.Windows
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Windows
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Helpers
Catel.Silverlight.Test
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Catel.Silverlight.Test.Web
Catel.Silverlight.Test.Web.csproj.user
ClientBin
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Catel.snk
Catel.Templates.WpfApplication
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Catel.Templates.WpfItemTemplates
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ViewModels
Windows
Catel.Test
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Convert
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UI
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Catel.Windows.accessor
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Catel.vsmdi
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Local.testsettings
Settings.StyleCop
TraceAndTestImpact.testsettings
// --------------------------------------------------------------------------------------------------------------------
// <copyright file="NavigationCommands.cs" company="Catel development team">
//   Copyright (c) 2008 - 2011 Catel development team. All rights reserved.
// </copyright>
// <summary>
//   Navigation commands class.
// </summary>
// --------------------------------------------------------------------------------------------------------------------

using System.Windows.Input;

namespace Catel.Windows.Input
{
    /// <summary>
    /// Navigation commands class.
    /// </summary>
    public static class NavigationCommands
    {
        /// <summary>
        /// Constructor that initializes the commands.
        /// </summary>
        static NavigationCommands()
        {
            // navigate to first item
            InputGestureCollection firstInputGestures = new InputGestureCollection();
            firstInputGestures.Add(new KeyGesture(Key.Left, ModifierKeys.Alt | ModifierKeys.Control));
            First = new RoutedUICommand(Properties.Resources.CommandNavigateFirst, "First", typeof(NavigationCommands), firstInputGestures);

            // navigate to previous item
            InputGestureCollection prevInputGestures = new InputGestureCollection();
            prevInputGestures.Add(new KeyGesture(Key.Left, ModifierKeys.Alt));
            Previous = new RoutedUICommand(Properties.Resources.CommandNavigatePrevious, "Previous", typeof(NavigationCommands), prevInputGestures);

            // navigate to next item
            InputGestureCollection nextInputGestures = new InputGestureCollection();
            nextInputGestures.Add(new KeyGesture(Key.Right, ModifierKeys.Alt));
            Next = new RoutedUICommand(Properties.Resources.CommandNavigateNext, "Next", typeof(NavigationCommands), nextInputGestures);

            // navigate to last item
            InputGestureCollection lastInputGestures = new InputGestureCollection();
            lastInputGestures.Add(new KeyGesture(Key.Right, ModifierKeys.Alt | ModifierKeys.Control));
            Last = new RoutedUICommand(Properties.Resources.CommandNavigateLast, "Last", typeof(NavigationCommands), lastInputGestures);

            // Navigate back
            InputGestureCollection backInputGestures = new InputGestureCollection();
            backInputGestures.Add(new KeyGesture(Key.Left, ModifierKeys.Alt));
            Back = new RoutedUICommand(Properties.Resources.CommandNavigateBack, "Back", typeof(NavigationCommands), backInputGestures);

            // Navigate forward
            InputGestureCollection forwardInputGestures = new InputGestureCollection();
            forwardInputGestures.Add(new KeyGesture(Key.Right, ModifierKeys.Alt));
            Forward = new RoutedUICommand(Properties.Resources.CommandNavigateForward, "Forward", typeof(NavigationCommands), forwardInputGestures);

            // Navigate go
            InputGestureCollection goInputGestures = new InputGestureCollection();
            goInputGestures.Add(new KeyGesture(Key.Enter, ModifierKeys.None));
            Go = new RoutedUICommand(Properties.Resources.CommandNavigateGo, "Go", typeof(NavigationCommands), goInputGestures);

            // Navigate home
            InputGestureCollection homeInputGestures = new InputGestureCollection();
            homeInputGestures.Add(new KeyGesture(Key.Home, ModifierKeys.Alt));
            Home = new RoutedUICommand(Properties.Resources.CommandNavigateHome, "Home", typeof(NavigationCommands), homeInputGestures);

            // Open hyperlink url
            OpenLinkUrl = new RoutedUICommand(Properties.Resources.CommandNavigateOpenLinkUrl, "OpenLinkUrl", typeof(NavigationCommands));
        }

        /// <summary>
        /// Navigate to first item.
        /// </summary>
        public static RoutedUICommand First { get; private set; }

        /// <summary>
        /// Navigate to previous item.
        /// </summary>
        public static RoutedUICommand Previous { get; private set; }

        /// <summary>
        /// Navigate to next item.
        /// </summary>
        public static RoutedUICommand Next { get; private set; }

        /// <summary>
        /// Navigate to last item.
        /// </summary>
        public static RoutedUICommand Last { get; private set; }

        /// <summary>
        /// Navigate back.
        /// </summary>
        public static RoutedUICommand Back { get; private set; }

        /// <summary>
        /// Navigate forward.
        /// </summary>
        public static RoutedUICommand Forward { get; private set; }

        /// <summary>
        /// Navigate go.
        /// </summary>
        public static RoutedUICommand Go { get; private set; }

        /// <summary>
        /// Navigate home.
        /// </summary>
        public static RoutedUICommand Home { get; private set; }

        /// <summary>
        /// Open an hyperlink url.
        /// </summary>
        public static RoutedUICommand OpenLinkUrl { get; private set; }
    }
}

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About the Author

Geert van Horrik
Software Developer CatenaLogic
Netherlands Netherlands
I am Geert van Horrik, and I have studied Computer Science in the Netherlands.
 
I love to write software using .NET (especially the combination of WPF and C#). I am also the lead developer of Catel, an open-source application development framework for WPF, Silverlight, WP7 and WinRT with the focus on MVVM.
 
I have my own company since January 1st 2007, called CatenaLogic. This company develops commercial and non-commercial software.
 
To download (or buy) applications I have written, visit my website: http://www.catenalogic.com
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