public override LiquidExpressionResult ApplyTo(ITemplateContext ctx, LiquidRange liquidGeneratorExpression)
{
//return GetSize(liquidGeneratorExpression, () => LiquidNumeric.Create(liquidGeneratorExpression.Length));
return(liquidGeneratorExpression == null
? SizeOfNil()
: LiquidExpressionResult.Success(LiquidNumeric.Create(liquidGeneratorExpression.Length)));
}
public void It_Should_Determine_The_Length_Of_a_Descending_Generator()
{
// Arrange
var generatorValue = new LiquidRange(LiquidNumeric.Create(5), LiquidNumeric.Create(2));
// Assert
Assert.Equal(4, generatorValue.Length);
}
public void It_Should_Determine_The_Length_Of_a_Generator()
{
// Arrange
var generatorValue = new LiquidRange(LiquidNumeric.Create(2), LiquidNumeric.Create(5));
// Assert
Assert.That(generatorValue.Length, Is.EqualTo(4));
}
public void It_Should_Generate_Some_Values(int start, int end, int[] expected)
{
// Arrange
var generatorValue = new LiquidRange(LiquidNumeric.Create(start), LiquidNumeric.Create(end));
// Act
var result = generatorValue.AsEnumerable();
// Assert
Assert.Equal(expected.ToList(), result.Select(x => Convert.ToInt32(x.Value)));
}
public void A_Generator_Value_Should_Return_The_Size()
{
// Arrange
var strVal = new LiquidRange(LiquidNumeric.Create(3), LiquidNumeric.Create(10));
var filter = new SizeFilter();
// Act
var result = filter.Apply(new TemplateContext(), strVal).SuccessValue <LiquidNumeric>();
// Assert
Assert.Equal(8, result.Value);
}
public void It_Should_Generate_Some_Values_Descending()
{
// Arrange
var generatorValue = new LiquidRange(LiquidNumeric.Create(5), LiquidNumeric.Create(2));
// Act
var result = generatorValue.AsEnumerable();
// Assert
Assert.Equal(new List <int> {
5, 4, 3, 2
}, result.Select(x => Convert.ToInt32(x.Value)));
}
public IEnumerable <ILiquidValue> Eval(ITemplateContext templateContext)
{
if (_startExpression == null)
{
// this shouldn't happen
throw new Exception("The Generator start expression is null");
}
if (_endExpression == null)
{
// this shouldn't happen
throw new Exception("The Generator end expression is null");
}
var startValue = ValueAsNumeric(_startExpression, templateContext);
var endValue = ValueAsNumeric(_endExpression, templateContext);
//Console.WriteLine("*** Generating sequence from "+ startValue.IntValue+ " to " +endValue.IntValue);
var generatorValue = new LiquidRange(startValue, endValue);
return(generatorValue);
}
public virtual LiquidExpressionResult ApplyTo(ITemplateContext ctx, LiquidRange val)
{
//throw new Exception("Need to figure out how to do this part");
return(ApplyTo(ctx, (ILiquidValue)val));
}
