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LanguageKernelExtensionLoadingTests.cs
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LanguageKernelExtensionLoadingTests.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.CommandLine;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using FluentAssertions;
using Microsoft.DotNet.Interactive.Commands;
using Microsoft.DotNet.Interactive.Connection;
using Microsoft.DotNet.Interactive.Events;
using Microsoft.DotNet.Interactive.Tests.Parsing;
using Microsoft.DotNet.Interactive.Tests.Utility;
using Microsoft.Extensions.Hosting;
using Xunit;
using Xunit.Abstractions;
namespace Microsoft.DotNet.Interactive.Tests
{
public class LanguageKernelExtensionLoadingTests : LanguageKernelTestBase
{
public LanguageKernelExtensionLoadingTests(ITestOutputHelper output) : base(output)
{
}
[Theory]
[InlineData(Language.CSharp)]
[InlineData(Language.FSharp)]
public async Task It_loads_extensions_in_specified_directory_via_a_command(Language language)
{
var projectDir = DirectoryUtility.CreateDirectory();
var dllDir = projectDir.CreateSubdirectory("extension");
var code = language switch
{
Language.CSharp => $@"await kernel.SendAsync(new SubmitCode(""display(\""{language} extension installed\"");""));",
Language.FSharp => $@"await kernel.SendAsync(new SubmitCode(""display(\""{language} extension installed\"");""));",
_ => throw new NotSupportedException("This test does not support the specified language.")
};
await KernelExtensionTestHelper.CreateExtensionAssembly(
projectDir,
code,
dllDir);
var kernel = CreateKernel(language);
using var context = KernelInvocationContext.Establish(new SubmitCode(""));
using var events = context.KernelEvents.ToSubscribedList();
await kernel.LoadExtensionsFromDirectoryAsync(
dllDir,
context);
events.Should()
.NotContain(e => e is CommandFailed)
.And
.ContainSingle<DisplayedValueProduced>(v => v.FormattedValues.Single().Value == $"{language} extension installed");
}
[Theory]
[InlineData(Language.CSharp)]
[InlineData(Language.FSharp)]
public async Task It_throws_when_extension_throws_during_load(Language language)
{
var projectDir = DirectoryUtility.CreateDirectory();
var dllDir = projectDir.CreateSubdirectory("extension");
await KernelExtensionTestHelper.CreateExtensionAssembly(
projectDir,
"throw new Exception();",
dllDir);
var kernel = CreateKernel(language);
using var context = KernelInvocationContext.Establish(new SubmitCode(""));
using var events = context.KernelEvents.ToSubscribedList();
await kernel.LoadExtensionsFromDirectoryAsync(
dllDir,
context);
events.Should()
.ContainSingle<CommandFailed>(cf => cf.Exception is KernelExtensionLoadException);
}
[Theory]
[InlineData(Language.CSharp)]
[InlineData(Language.FSharp)]
public async Task It_loads_extensions_found_in_nuget_packages(Language language)
{
var extensionPackage = KernelExtensionTestHelper.GetOrCreateSimpleExtension();
var kernel = CreateKernel(language);
await kernel.SubmitCodeAsync($@"
#i ""nuget:{extensionPackage.PackageLocation}""
#r ""nuget:{extensionPackage.Name},{extensionPackage.Version}""");
KernelEvents.Should()
.ContainSingle<ReturnValueProduced>()
.Which
.Value
.As<string>()
.Should()
.Contain("SimpleExtension");
}
[Theory]
[InlineData(Language.CSharp)]
[InlineData(Language.FSharp)]
public async Task it_loads_script_extension_found_in_nuget_package(Language defaultLanguage)
{
var extensionPackage = KernelExtensionTestHelper.GetOrCreateScriptBasedExtensionPackage();
var kernel = CreateCompositeKernel(defaultLanguage);
await kernel.SubmitCodeAsync($@"
#i ""nuget:{extensionPackage.PackageLocation}""
#r ""nuget:{extensionPackage.Name},{extensionPackage.Version}""");
KernelEvents.Should()
.ContainSingle<ReturnValueProduced>()
.Which
.Value
.As<string>()
.Should()
.Contain("ScriptExtension");
}
}
}