private static IConverter GetValueConverter(PropertyInfo propertyInfo, string optionName, string commandName, ConverterKeyValueAttribute converterKeyValuePairAttribute)
{
var valueType = propertyInfo.PropertyType.GetUnderlyingDictionaryType(false);
var valueConverter = converterKeyValuePairAttribute.BuildValueConverter();
if (!valueType.IsType(valueConverter.TargetType))
{
throw new CommandLineParserException(Constants.ExceptionMessages.ParserExtractValueConverterIsNotValid(optionName, commandName, valueType, valueConverter.TargetType));
}
return(valueConverter);
}
public void DefaultStringConverterActivation()
{
// Arrange
var expected = typeof(Int32Converter);
var converterAttribute = new ConverterKeyValueAttribute(expected);
// Act
var actual = converterAttribute.BuildValueConverter();
// Assert
Assert.NotNull(actual);
Assert.IsType <Int32Converter>(actual);
}
public void NullConverterAttributeException()
{
// Arrange
ConverterKeyValueAttribute converterAttribute = null;
var expectedExceptionMessage = SourceParameterName;
// Act
var actualException =
Assert.Throws <ArgumentNullException>(() => converterAttribute.BuildValueConverter());
// Assert
Assert.Equal(expectedExceptionMessage, actualException.ParamName);
}