public async Task Unspecified_option_arguments_with_no_default_value_are_bound_to_type_default(
Type parameterType,
object expectedValue)
{
var captureMethod = GetType()
.GetMethod(nameof(CaptureMethod), BindingFlags.NonPublic | BindingFlags.Static)
.MakeGenericMethod(parameterType);
var handler = CommandHandler.Create(captureMethod);
var command = new Command("command")
{
OptionBuilder.CreateOption("-x", parameterType)
};
command.Handler = handler;
var parseResult = command.Parse("");
var invocationContext = new InvocationContext(parseResult);
await handler.InvokeAsync(invocationContext);
var boundValue = ((BoundValueCapturer)invocationContext.InvocationResult).BoundValue;
boundValue.Should().Be(expectedValue);
}
public async Task Option_arguments_are_bound_by_name_to_the_constructor_parameters_of_method_parameters(
Type type,
string commandLine,
object expectedValue)
{
var complexParameterType = typeof(ClassWithCtorParameter <>).MakeGenericType(type);
var handlerType = typeof(ClassWithMethodHavingParameter <>).MakeGenericType(complexParameterType);
var handlerMethod = handlerType.GetMethod("HandleAsync");
var handler = HandlerDescriptor.FromMethodInfo(handlerMethod)
.GetCommandHandler();
var command = new Command("the-command")
{
OptionBuilder.CreateOption("--value", type)
};
var console = new TestConsole();
await handler.InvokeAsync(
new InvocationContext(command.Parse(commandLine), console));
console.Out.ToString().Should().Be($"ClassWithCtorParameter<{type.Name}>: {expectedValue}");
}
public void Max_arity_greater_than_1_converts_to_enumerable_types(
int minArity,
int maxArity,
Type argumentType)
{
var option = OptionBuilder.CreateOption("--items", valueType: argumentType);
option.Arity = new ArgumentArity(minArity, maxArity);
var command = new RootCommand
{
option
};
var result = command.Parse("--items one --items two --items three");
result.Errors.Should().BeEmpty();
result.FindResultFor(option).GetValueOrDefault().Should().BeAssignableTo(argumentType);
}
public static Option BuildOption(this ParameterDescriptor parameter)
{
Func <object> getDefaultValue = null;
if (parameter.HasDefaultValue)
{
getDefaultValue = parameter.GetDefaultValue;
}
var option = OptionBuilder.CreateOption(parameter.BuildAlias(), parameter.ValueType);
option.Description = parameter.ValueName;
if (getDefaultValue is not null)
{
option.SetDefaultValueFactory(getDefaultValue);
}
return(option);
}
public void Option_arguments_are_bound_by_name_to_constructor_parameters(
Type type,
string commandLine,
object expectedValue)
{
var targetType = typeof(ClassWithCtorParameter <>).MakeGenericType(type);
var binder = new ModelBinder(targetType);
var command = new Command("the-command")
{
OptionBuilder.CreateOption("--value", type)
};
var bindingContext = new InvocationContext(command.Parse(commandLine)).BindingContext;
var instance = binder.CreateInstance(bindingContext);
object valueReceivedValue = ((dynamic)instance).Value;
valueReceivedValue.Should().Be(expectedValue);
}