public void AddCssGradient_EmptyCss_NothingBuilt(string css)
{
// Arrange & Act
var gradients = new GradientBuilder()
.AddCssGradient(css)
.Build();
// Assert
gradients.Should().BeEmpty();
}
public void AddCssGradient_MultipleCssGradients_MultipleGradientsBuilt()
{
// Arrange & Act
var gradients = new GradientBuilder()
.AddCssGradient("linear-gradient(black,white), radial-gradient(pink,brown)")
.Build();
// Assert
using (new AssertionScope())
{
gradients.Should().HaveCount(2);
gradients[0].Should().BeOfType <RadialGradient>();
gradients[1].Should().BeOfType <LinearGradient>();
}
}
public void FluentApi_BuildSource_GenericGradientWithGradients()
{
// Act
var source = new GradientBuilder()
.AddLinearGradient(g => g
.Rotate(20)
.AddStops(Colors.Red, Colors.Green, Colors.Blue))
.BuildSource();
// Assert
using (new AssertionScope())
{
source.Should().BeOfType <GenericGradientSource>();
source.GetGradients().Should().HaveCount(1);
}
}
public void AddCssGradient_ValidCss_GradientParsed()
{
// Arrange & Act
var gradients = new GradientBuilder()
.AddCssGradient("linear-gradient(red, orange)")
.Build();
// Assert
using (new AssertionScope())
{
gradients.Should().HaveCount(1);
gradients[0].Should().BeOfType <LinearGradient>();
gradients[0].GetStops().Should().HaveCount(2);
gradients[0].GetStops()[0].Color.Should().Be(Colors.Red);
gradients[0].GetStops()[1].Color.Should().Be(Colors.Orange);
}
}
public void FluentApi_BuildLinearNoOptions_ProperDefaultValues()
{
// Act
var gradients = new GradientBuilder()
.AddLinearGradient()
.Build();
// Assert
using (new AssertionScope())
{
gradients.Should().HaveCount(1);
gradients[0].Should().BeAssignableTo <LinearGradient>();
var linear = (LinearGradient)gradients[0];
linear.Angle.Should().Be(0);
linear.IsRepeating.Should().BeFalse();
}
}
public void FluentApi_BuildRadialNoOptions_ProperDefaultValues()
{
// Act
var gradients = new GradientBuilder()
.AddRadialGradient()
.Build();
// Assert
using (new AssertionScope())
{
gradients.Should().HaveCount(1);
gradients[0].Should().BeAssignableTo <RadialGradient>();
var radial = (RadialGradient)gradients[0];
radial.Center.Should().BeEquivalentTo(Position.Prop(0.5, 0.5));
radial.Radius.Should().BeEquivalentTo(Dimensions.Zero);
radial.Shape.Should().Be(RadialGradientShape.Ellipse);
radial.Stretch.Should().Be(RadialGradientStretch.FarthestCorner);
radial.IsRepeating.Should().BeFalse();
}
}
public void FluentApi_Build_CreateGradients()
{
// Act
var gradients = new GradientBuilder()
.AddLinearGradient(g => g
.Rotate(30)
.Repeat())
.AddLinearGradient(g => g
.Rotate(20)
.Repeat()
.AddStop(Colors.Red, Offset.Prop(0.2))
.AddStop(Colors.Blue, Offset.Prop(0.4)))
.AddRadialGradient(g => g
.Circle().At(0.5, 0.5, OffsetType.Proportional)
.Size(200, 200, OffsetType.Absolute)
.StretchTo(RadialGradientStretch.FarthestSide)
.Repeat()
.AddStops(Colors.Red, Colors.Green, Colors.Blue))
.Build();
// Assert
gradients.Should().HaveCount(3);
}
public void FluentApi_BuildRadialNoOptions_ProperDefaultValues()
{
// Act
var gradients = new GradientBuilder()
.AddRadialGradient()
.Build();
// Assert
using (new AssertionScope())
{
gradients.Should().HaveCount(1);
gradients[0].Should().BeAssignableTo <RadialGradient>();
var radial = (RadialGradient)gradients[0];
radial.Center.Should().BeEquivalentTo(new Point(0.5, 0.5));
radial.RadiusX.Should().Be(-1);
radial.RadiusY.Should().Be(-1);
radial.Shape.Should().Be(RadialGradientShape.Ellipse);
radial.Size.Should().Be(RadialGradientSize.FarthestCorner);
radial.Flags.Should().Be(RadialGradientFlags.PositionProportional);
radial.IsRepeating.Should().BeFalse();
}
}