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LanguageKernelTestBase.cs
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LanguageKernelTestBase.cs
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// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.DotNet.Interactive.Commands;
using Microsoft.DotNet.Interactive.CSharp;
using Microsoft.DotNet.Interactive.Events;
using Microsoft.DotNet.Interactive.FSharp;
using Microsoft.DotNet.Interactive.Jupyter;
using Microsoft.DotNet.Interactive.PowerShell;
using Microsoft.DotNet.Interactive.Tests.Utility;
using Pocket;
using Pocket.For.Xunit;
using Xunit;
using static Pocket.Logger<Microsoft.DotNet.Interactive.Tests.LanguageKernelTestBase>;
using Xunit.Abstractions;
[assembly: CollectionBehavior(DisableTestParallelization = true)]
namespace Microsoft.DotNet.Interactive.Tests
{
[LogToPocketLogger(FileNameEnvironmentVariable = "POCKETLOGGER_LOG_PATH")]
public abstract class LanguageKernelTestBase : IDisposable
{
private readonly CompositeDisposable _disposables = new();
protected LanguageKernelTestBase(ITestOutputHelper output)
{
DisposeAfterTest(output.SubscribeToPocketLogger());
}
public void Dispose()
{
try
{
_disposables?.Dispose();
}
catch (Exception ex)
{
Log.Error(ex);
}
}
protected CompositeKernel CreateCompositeKernel(Language defaultKernelLanguage = Language.CSharp,
bool openTestingNamespaces = false)
{
return CreateCompositeKernel(
new[]
{
CreateFSharpKernelAndAliases(openTestingNamespaces),
CreateCSharpKernelAndAliases(),
CreatePowerShellKernelAndAliases(),
},
defaultKernelLanguage);
}
protected CompositeKernel CreateKernel(Language defaultLanguage = Language.CSharp,
bool openTestingNamespaces = false)
{
var languageKernel = defaultLanguage switch
{
Language.FSharp => CreateFSharpKernelAndAliases(openTestingNamespaces),
Language.CSharp => CreateCSharpKernelAndAliases(),
Language.PowerShell => CreatePowerShellKernelAndAliases(),
_ => throw new InvalidOperationException($"Unknown language specified: {defaultLanguage}")
};
return CreateCompositeKernel(new[] { languageKernel }, defaultLanguage);
}
private CompositeKernel CreateCompositeKernel(IEnumerable<(Kernel, IEnumerable<string>)> subkernelsAndAliases, Language defaultKernelLanguage)
{
var kernel = new CompositeKernel().UseDefaultMagicCommands();
foreach (var (subkernel, aliases) in subkernelsAndAliases)
{
kernel.Add(subkernel.LogEventsToPocketLogger(), aliases.ToImmutableArray());
}
kernel.DefaultKernelName = defaultKernelLanguage.LanguageName();
KernelEvents = kernel.KernelEvents.ToSubscribedList();
DisposeAfterTest(KernelEvents);
DisposeAfterTest(kernel);
return kernel;
}
private Kernel UseExtraNamespacesForFSharpTesting(Kernel kernel)
{
var code =
"open " + typeof(Task).Namespace + Environment.NewLine +
"open " + typeof(System.Linq.Enumerable).Namespace + Environment.NewLine +
"open " + typeof(AspNetCore.Html.IHtmlContent).Namespace + Environment.NewLine +
"open " + typeof(FSharp.FSharpKernelHelpers.Html).FullName + Environment.NewLine;
kernel.DeferCommand(new SubmitCode(code));
return kernel;
}
private (Kernel, IEnumerable<string>) CreateFSharpKernelAndAliases(bool openTestingNamespaces)
{
Kernel kernel =
new FSharpKernel()
.UseDefaultFormatting()
.UseNugetDirective()
.UseKernelHelpers()
.UseValueSharing()
.UseWho()
.UseDefaultNamespaces();
if (openTestingNamespaces)
{
kernel = UseExtraNamespacesForFSharpTesting(kernel);
}
return (kernel, new[]
{
"f#",
"F#"
});
}
private (Kernel, IEnumerable<string>) CreateCSharpKernelAndAliases()
{
return (CreateCSharpKernel(),
new[]
{
"c#",
"C#"
});
}
protected virtual CSharpKernel CreateCSharpKernel()
{
return new CSharpKernel()
.UseNugetDirective()
.UseKernelHelpers()
.UseValueSharing()
.UseWho();
}
private (Kernel, IEnumerable<string>) CreatePowerShellKernelAndAliases()
{
return (new PowerShellKernel()
.UseValueSharing(),
new[]
{
"powershell"
});
}
public async Task SubmitCode(Kernel kernel, string[] submissions, SubmissionType submissionType = SubmissionType.Run)
{
foreach (var submission in submissions)
{
var cmd = new SubmitCode(submission, submissionType: submissionType);
await kernel.SendAsync(cmd);
}
}
public async Task SubmitCode(Kernel kernel, string submission, SubmissionType submissionType = SubmissionType.Run)
{
var command = new SubmitCode(submission, submissionType: submissionType);
await kernel.SendAsync(command);
}
protected SubscribedList<KernelEvent> KernelEvents { get; private set; }
protected void DisposeAfterTest(IDisposable disposable)
{
_disposables.Add(disposable);
}
protected void DisposeAfterTest(Action action)
{
_disposables.Add(action);
}
}
}