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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#nullable disable
using System;
using System.Linq;
using Microsoft.CodeAnalysis.CSharp.Formatting;
using Microsoft.CodeAnalysis.Test.Utilities;
using Microsoft.VisualStudio.Composition;
using Microsoft.VisualStudio.LanguageServices.CSharp.Options.Formatting;
using Microsoft.VisualStudio.LanguageServices.Implementation.Options;
using Microsoft.VisualStudio.LanguageServices.UnitTests;
using Roslyn.Test.Utilities;
using Xunit;
namespace Roslyn.VisualStudio.CSharp.UnitTests.Options
{
[UseExportProvider]
[Trait(Traits.Feature, Traits.Features.Options)]
public class OptionViewModelTests
{
private class MockServiceProvider : IServiceProvider
{
private readonly MockComponentModel _componentModel;
public MockServiceProvider(ExportProvider exportProvider)
{
_componentModel = new MockComponentModel(exportProvider);
}
public object GetService(Type serviceType)
{
return _componentModel;
}
}
private static string GetText(AbstractOptionPreviewViewModel viewModel)
{
return viewModel.TextViewHost.TextView.TextBuffer.CurrentSnapshot.GetText().ToString();
}
public OptionViewModelTests()
{
WpfTestRunner.RequireWpfFact("Tests create WPF ViewModels and updates previews with them");
}
[WpfFact]
public void TestCheckBox()
{
using var workspace = EditorTestWorkspace.CreateCSharp("");
var serviceProvider = new MockServiceProvider(workspace.ExportProvider);
var optionStore = new OptionStore(workspace.GlobalOptions);
using var viewModel = new SpacingViewModel(optionStore, serviceProvider);
// Use the first item's preview.
var checkbox = viewModel.Items.OfType<CheckBoxOptionViewModel>().First();
viewModel.SetOptionAndUpdatePreview(checkbox.IsChecked, checkbox.Option, checkbox.GetPreview());
// Get a checkbox and toggle it
var originalPreview = GetText(viewModel);
checkbox.IsChecked = !checkbox.IsChecked;
var modifiedPreview = GetText(viewModel);
Assert.NotEqual(modifiedPreview, originalPreview);
// Switch it back
checkbox.IsChecked = !checkbox.IsChecked;
Assert.Equal(originalPreview, viewModel.TextViewHost.TextView.TextBuffer.CurrentSnapshot.GetText().ToString());
}
[WpfFact]
public void TestOptionLoading()
{
using var workspace = EditorTestWorkspace.CreateCSharp("");
var optionStore = new OptionStore(workspace.GlobalOptions);
workspace.GlobalOptions.SetGlobalOption(CSharpFormattingOptions2.SpacingAfterMethodDeclarationName, true);
var serviceProvider = new MockServiceProvider(workspace.ExportProvider);
using var viewModel = new SpacingViewModel(optionStore, serviceProvider);
// Use the first item's preview.
var checkbox = viewModel.Items.OfType<CheckBoxOptionViewModel>().Where(c => c.Option == CSharpFormattingOptions2.SpacingAfterMethodDeclarationName).First();
Assert.True(checkbox.IsChecked);
}
[WpfFact]
public void TestOptionSaving()
{
using var workspace = EditorTestWorkspace.CreateCSharp("");
var serviceProvider = new MockServiceProvider(workspace.ExportProvider);
var optionStore = new OptionStore(workspace.GlobalOptions);
using var viewModel = new SpacingViewModel(optionStore, serviceProvider);
// Use the first item's preview.
var checkbox = viewModel.Items.OfType<CheckBoxOptionViewModel>().Where(c => c.Option == CSharpFormattingOptions2.SpacingAfterMethodDeclarationName).First();
var initial = checkbox.IsChecked;
checkbox.IsChecked = !checkbox.IsChecked;
Assert.NotEqual(optionStore.GetOption(CSharpFormattingOptions2.SpacingAfterMethodDeclarationName), initial);
}
}
}
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