public void It_Should_Return_The_First_Char_Of_A_String()
{
// Arrange
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), LiquidString.Create("Hello World")).SuccessValue <LiquidString>();
// Assert
Assert.Equal("H", result.Value);
}
public void It_Should_Return_An_Error_If_String_Is_Null() // TODO: Check if this is the case
{
// Arrange
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), LiquidString.Create(null));
// Assert
Assert.True(result.IsError);
}
public void It_Should_Return_An_Error_If_Array_Is_Empty() // TODO: Check if this is the case
{
// Arrange
LiquidCollection liquidCollection = new LiquidCollection();
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), liquidCollection);
// Assert
Assert.True(result.IsError);
}
public void It_Should_Return_An_Error_If_String_Is_Null() // TODO: Check if this is the case
{
// Arrange
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), new StringValue(null));
// Assert
Assert.That(result.IsError, Is.True);
}
public void It_Should_Return_The_First_Char_Of_A_String()
{
// Arrange
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), new StringValue("Hello World")).SuccessValue<StringValue>();
// Assert
Assert.That(result.Value, Is.EqualTo("H"));
}
public void It_Should_Return_An_Error_If_Array_Is_Empty() // TODO: Check if this is the case
{
// Arrange
ArrayValue arrayValue = new ArrayValue(new List<IExpressionConstant>());
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), arrayValue);
// Assert
Assert.That(result.IsError, Is.True);
}
public void It_Should_Return_The_First_Element()
{
// Arrange
LiquidCollection liquidCollection = new LiquidCollection {
LiquidString.Create("a string"),
LiquidNumeric.Create(123),
LiquidNumeric.Create(456m),
new LiquidBoolean(false)
};
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), liquidCollection).SuccessValue <LiquidString>();
// Assert
Assert.Equal(liquidCollection[0], result);
}
public void It_Should_Return_The_First_Element()
{
// Arrange
IList<IExpressionConstant> objlist = new List<IExpressionConstant>
{
new StringValue("a string"),
NumericValue.Create(123),
NumericValue.Create(456m),
new BooleanValue(false)
};
ArrayValue arrayValue = new ArrayValue(objlist);
var filter = new FirstFilter();
// Act
var result = filter.Apply(new TemplateContext(), arrayValue).SuccessValue<StringValue>();
// Assert
Assert.That(result, Is.EqualTo(objlist[0]));
}