public void Parse_ValidValues_ShouldParseAndAssignToTargetProperty()
{
var valueParser = A.Fake <ValueParser>();
var parser = new EnumOptionParser <LogLevel>(typeof(DataTypesCommandOptions).GetProperty("Enum"), "logLevel");
parser.ValueParser = valueParser;
var tokens = new List <Token>
{
new OptionToken("logLevel")
{
OptionValues = { "Debug" }
}
};
var parseResult = new ParseResult();
var dataTypesCommandOptions = new DataTypesCommandOptions();
parseResult.CommandOptions = dataTypesCommandOptions;
LogLevel logLevel;
A.CallTo(() => valueParser.TryParseEnum("Debug", out logLevel))
.Returns(true)
.AssignsOutAndRefParameters(LogLevel.Debug);
parser.Parse(tokens, parseResult);
parseResult.HasErrors.Should().BeFalse();
parseResult.CommandOptions.Should().BeOfType <DataTypesCommandOptions>();
dataTypesCommandOptions.Enum.Should().Be(LogLevel.Debug);
A.CallTo(() => valueParser.TryParseEnum("Debug", out logLevel)).MustHaveHappened();
}
public void Parse_MoreThanOneOptionValue_ShouldAddError()
{
var parser = new EnumOptionParser <LogLevel>(typeof(DataTypesCommandOptions).GetProperty("Enum"), "enum");
var tokens = new List <Token>
{
new OptionToken("enum")
{
OptionValues = { "Debug", "Trace" }
}
};
var parseResult = new ParseResult();
parseResult.CommandOptions = new DataTypesCommandOptions();
parser.Parse(tokens, parseResult);
parseResult.HasErrors.Should().BeTrue();
parseResult.Errors.Should().HaveCount(1);
parseResult.Errors[0].Should().BeOfType <OptionMultipleValuesError>();
var error = (OptionMultipleValuesError)parseResult.Errors[0];
error.OptionName.Should().Be("enum");
error.GetErrorMessage().Should().Be("Multiple values are given for the option --enum, but the option expects a single value.");
}
public void Parse_OptionNotPresent_ShouldAssignDefaultValueToTargetProperty()
{
var parser = new EnumOptionParser <LogLevel>(typeof(DataTypesCommandOptions).GetProperty("Enum"), "logLevel");
parser.OptionDefaultValue = LogLevel.Error;
var tokens = new List <Token>();
var parseResult = new ParseResult();
var dataTypesCommandOptions = new DataTypesCommandOptions();
parseResult.CommandOptions = dataTypesCommandOptions;
parser.Parse(tokens, parseResult);
dataTypesCommandOptions.Enum.Should().Be(LogLevel.Error);
}
public void Parse_RequiredOptionMissing_ShouldAddError()
{
var parser = new EnumOptionParser <LogLevel>(typeof(DataTypesCommandOptions).GetProperty("Enum"), "enum");
parser.IsOptionRequired = true;
var tokens = new List <Token>();
var parseResult = new ParseResult();
parseResult.CommandOptions = new DataTypesCommandOptions();
parser.Parse(tokens, parseResult);
parseResult.HasErrors.Should().BeTrue();
parseResult.Errors.Should().HaveCount(1);
parseResult.Errors[0].Should().BeOfType <OptionMissingError>();
var error = (OptionMissingError)parseResult.Errors[0];
error.OptionName.Should().Be("enum");
error.GetErrorMessage().Should().Be("The option --enum is required.");
}
public void Parse_OptionValueMissing_ShouldAddError()
{
var parser = new EnumOptionParser <LogLevel>(typeof(DataTypesCommandOptions).GetProperty("Enum"), "enum");
var tokens = new List <Token>
{
new OptionToken("enum")
};
var parseResult = new ParseResult();
parseResult.CommandOptions = new DataTypesCommandOptions();
parser.Parse(tokens, parseResult);
parseResult.HasErrors.Should().BeTrue();
parseResult.Errors.Should().HaveCount(1);
parseResult.Errors[0].Should().BeOfType <OptionValueMissingError>();
var error = (OptionValueMissingError)parseResult.Errors[0];
error.OptionName.Should().Be("enum");
error.GetErrorMessage().Should().Be("The option --enum requires a value, but no value was specified.");
}
public void Parse_InvalidValue_ShouldAddError()
{
var valueParser = A.Fake <ValueParser>();
var parser = new EnumOptionParser <LogLevel>(typeof(DataTypesCommandOptions).GetProperty("Enum"), "logLevel");
parser.ValueParser = valueParser;
var tokens = new List <Token>
{
new OptionToken("logLevel")
{
OptionValues = { "NonExistentLogLevel" }
}
};
var parseResult = new ParseResult();
parseResult.CommandOptions = new DataTypesCommandOptions();
LogLevel logLevel;
A.CallTo(() => valueParser.TryParseEnum("NonExistentLogLevel", out logLevel))
.Returns(false);
parser.Parse(tokens, parseResult);
parseResult.HasErrors.Should().BeTrue();
parseResult.Errors.Should().HaveCount(1);
parseResult.Errors[0].Should().BeOfType <OptionValueInvalidFormatError>();
var error = (OptionValueInvalidFormatError)parseResult.Errors[0];
error.OptionName.Should().Be("logLevel");
error.InvalidOptionValue.Should().Be("NonExistentLogLevel");
error.ExpectedValueFormat.Should().Be("One of the valid values (see help)");
error.GetErrorMessage().Should().Be("The value 'NonExistentLogLevel' of the option --logLevel has an invalid format. The expected format is: One of the valid values (see help).");
}
