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test that CliConfiguration can be intentionally subclassed #2148

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Merged
jonsequitur merged 1 commit into from
Apr 5, 2023
Merged

test that CliConfiguration can be intentionally subclassed #2148

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33 changes: 33 additions & 0 deletions src/System.CommandLine.Tests/CommandLineConfigurationTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -260,4 +260,37 @@ public void ThrowIfInvalid_throws_if_a_parentage_cycle_is_detected()
.Should()
.Be($"Cycle detected in command tree. Command '{rootCommand.Name}' is its own ancestor.");
}

[Fact]
public void It_can_be_subclassed_to_provide_additional_context()
{
var command = new CliRootCommand();
var commandWasInvoked = false;
command.SetAction(parseResult =>
{
var appConfig = (CustomAppConfiguration)parseResult.Configuration;

// access custom config

commandWasInvoked = true;

return 0;
});

var config = new CustomAppConfiguration(command);

config.Invoke("");

commandWasInvoked.Should().BeTrue();
}
}

public class CustomAppConfiguration : CliConfiguration
{
public CustomAppConfiguration(CliRootCommand command) : base(command)
{
EnableDefaultExceptionHandler = false;
}

public IServiceProvider ServiceProvider { get; }
}