Extends Verify to allow verification of WinForms UIs.

See Milestones for release notes.

Entity Framework Extensions is a major sponsor and is proud to contribute to the development this project.

• https://nuget.org/packages/Verify.WinForms

[ModuleInitializer]
public static void Init() =>
    VerifyWinForms.Initialize();

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A visual element (Form/Control etc) can be verified as follows:

[Test]
public Task FormUsage() =>
    Verify(new MyForm());

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With the state of the element being rendered as a verified file:

TheTests.FormUsage.Net.verified.png:

A ContextMenuStrip can be verified as follows:

[Test]
public Task ContextMenuStrip()
{
    var menu = new ContextMenuStrip();
    var items = menu.Items;

    items.Add(new ToolStripMenuItem("About"));
    items.Add(new ToolStripMenuItem("Exit"));
    return Verify(menu);
}

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With the state of the element being rendered as a verified file:

TheTests.FormUsage.Net.verified.png:

The rendering of Form elements can very slightly between different OS versions. This can make verification on different machines (eg CI) problematic. There are several approaches to mitigate this:

• Using a custom comparer

Gem designed by Adnen Kadri from The Noun Project.