spectre.console/src/Tests/Spectre.Console.Cli.Tests/Unit/Annotations/CommandArgumentAttributeTests.cs

namespace Spectre.Console.Tests.Unit.Cli.Annotations;

public sealed partial class CommandArgumentAttributeTests
{
    [Fact]
    public void Should_Not_Contain_Options()
    {
        // Given, When
        var result = Record.Exception(() => new CommandArgumentAttribute(0, "--foo <BAR>"));

        // Then
        result.ShouldNotBe(null);
        result.ShouldBeOfType<CommandTemplateException>().And(exception =>
            exception.Message.ShouldBe("Arguments can not contain options."));
    }

    [Theory]
    [InlineData("<FOO> <BAR>")]
    [InlineData("[FOO] [BAR]")]
    [InlineData("[FOO] <BAR>")]
    [InlineData("<FOO> [BAR]")]
    public void Should_Not_Contain_Multiple_Value_Names(string template)
    {
        // Given, When
        var result = Record.Exception(() => new CommandArgumentAttribute(0, template));

        // Then
        result.ShouldNotBe(null);
        result.ShouldBeOfType<CommandTemplateException>().And(exception =>
            exception.Message.ShouldBe("Multiple values are not supported."));
    }

    [Theory]
    [InlineData("<>")]
    [InlineData("[]")]
    public void Should_Not_Contain_Empty_Value_Name(string template)
    {
        // Given, When
        var result = Record.Exception(() => new CommandArgumentAttribute(0, template));

        // Then
        result.ShouldNotBe(null);
        result.ShouldBeOfType<CommandTemplateException>().And(exception =>
            exception.Message.ShouldBe("Values without name are not allowed."));
    }

    [Theory]
    [InlineData("<FOO>", true)]
    [InlineData("[FOO]", false)]
    public void Should_Parse_Valid_Options(string template, bool required)
    {
        // Given, When
        var result = new CommandArgumentAttribute(0, template);

        // Then
        result.ValueName.ShouldBe("FOO");
        result.IsRequired.ShouldBe(required);
    }
}