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(#606) added ExceptionHandler to ICommandAppSettings

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So exceptions can be handled in Spectre.Console.Cli.
Also, some documentation was added.
This commit is contained in:
Nils Andresen
2021-10-30 00:20:49 +02:00
committed by Patrik Svensson
parent 045d0922c8
commit c5c1852fc3
7 changed files with 267 additions and 41 deletions
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100
test/Spectre.Console.Tests/Unit/Cli/CommandAppTests.Exceptions.cs Normal file
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@ -0,0 +1,100 @@
using System;
using Shouldly;
using Spectre.Console.Cli;
using Spectre.Console.Tests.Data;
using Spectre.Console.Testing;
using Xunit;
namespace Spectre.Console.Tests.Unit.Cli
{
public sealed partial class CommandAppTests
{
public sealed class Exception_Handling
{
[Fact]
public void Should_Not_Propagate_Runtime_Exceptions_If_Not_Explicitly_Told_To_Do_So()
{
// Given
var app = new CommandAppTester();
app.Configure(config =>
{
config.AddBranch<AnimalSettings>("animal", animal =>
{
animal.AddCommand<DogCommand>("dog");
animal.AddCommand<HorseCommand>("horse");
});
});
// When
var result = app.Run(new[] { "animal", "4", "dog", "101", "--name", "Rufus" });
// Then
result.ExitCode.ShouldBe(-1);
}
[Fact]
public void Should_Not_Propagate_Exceptions_If_Not_Explicitly_Told_To_Do_So()
{
// Given
var app = new CommandAppTester();
app.Configure(config =>
{
config.AddCommand<ThrowingCommand>("throw");
});
// When
var result = app.Run(new[] { "throw" });
// Then
result.ExitCode.ShouldBe(-1);
}
[Fact]
public void Should_Handle_Exceptions_If_ExceptionHandler_Is_Set_Using_Action()
{
// Given
var exceptionHandled = false;
var app = new CommandAppTester();
app.Configure(config =>
{
config.AddCommand<ThrowingCommand>("throw");
config.SetExceptionHandler(_ =>
{
exceptionHandled = true;
});
});
// When
var result = app.Run(new[] { "throw" });
// Then
result.ExitCode.ShouldBe(-1);
exceptionHandled.ShouldBeTrue();
}
[Fact]
public void Should_Handle_Exceptions_If_ExceptionHandler_Is_Set_Using_Function()
{
// Given
var exceptionHandled = false;
var app = new CommandAppTester();
app.Configure(config =>
{
config.AddCommand<ThrowingCommand>("throw");
config.SetExceptionHandler(_ =>
{
exceptionHandled = true;
return -99;
});
});
// When
var result = app.Run(new[] { "throw" });
// Then
result.ExitCode.ShouldBe(-99);
exceptionHandled.ShouldBeTrue();
}
}
}
}

41
test/Spectre.Console.Tests/Unit/Cli/CommandAppTests.cs
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@ -816,46 +816,5 @@ namespace Spectre.Console.Tests.Unit.Cli
result.Context.Remaining.Raw[4].ShouldBe("qux");
}
}
public sealed class Exception_Handling
{
[Fact]
public void Should_Not_Propagate_Runtime_Exceptions_If_Not_Explicitly_Told_To_Do_So()
{
// Given
var app = new CommandAppTester();
app.Configure(config =>
{
config.AddBranch<AnimalSettings>("animal", animal =>
{
animal.AddCommand<DogCommand>("dog");
animal.AddCommand<HorseCommand>("horse");
});
});
// When
var result = app.Run(new[] { "animal", "4", "dog", "101", "--name", "Rufus" });
// Then
result.ExitCode.ShouldBe(-1);
}
[Fact]
public void Should_Not_Propagate_Exceptions_If_Not_Explicitly_Told_To_Do_So()
{
// Given
var app = new CommandAppTester();
app.Configure(config =>
{
config.AddCommand<ThrowingCommand>("throw");
});
// When
var result = app.Run(new[] { "throw" });
// Then
result.ExitCode.ShouldBe(-1);
}
}
}
}