ExCSS/src/ExCSS.Tests/KeyframeRule.cs at master · include76/ExCSS · GitHub

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namespace ExCSS.Tests
{
    using Xunit;
    using System.Linq;

    public class CssKeyframeRuleTests : CssConstructionFunctions
    {
        [Fact]
        public void KeyframeRuleWithFromAndMarginLeft()
        {
            var rule = ParseKeyframeRule(@"  from {
    margin-left: 0px;
  }");
            Assert.NotNull(rule);
            Assert.Equal("0%", rule.KeyText);
            Assert.Equal(1, rule.Key.Stops.Count());
            Assert.Equal(1, rule.Style.Declarations.Count());
            Assert.Equal("margin-left", rule.Style.Declarations.First().Name);
        }

        [Fact]
        public void KeyframeRuleWith50PercentAndMarginLeftOpacity()
        {
            var rule = ParseKeyframeRule(@"  50% {
    margin-left: 110px;
    opacity: 1;
  }");
            Assert.NotNull(rule);
            Assert.Equal("50%", rule.KeyText);
            Assert.Equal(1, rule.Key.Stops.Count());
            Assert.Equal(2, rule.Style.Declarations.Count());
            Assert.Equal("margin-left", rule.Style.Declarations.Skip(0).First().Name);
            Assert.Equal("opacity", rule.Style.Declarations.Skip(1).First().Name);
        }

        [Fact]
        public void KeyframeRuleWithToAndMarginLeft()
        {
            var rule = ParseKeyframeRule(@"  to {
    margin-left: 200px;
  }");
            Assert.NotNull(rule);
            Assert.Equal("100%", rule.KeyText);
            Assert.Equal(1, rule.Key.Stops.Count());
            Assert.Equal(1, rule.Style.Declarations.Count());
            Assert.Equal("margin-left", rule.Style.Declarations.First().Name);
        }

        [Fact]
        public void KeyframeRuleWithFromTo255075PercentAndPaddingTopPaddingLeftColor()
        {
            var rule = ParseKeyframeRule(@"  from,to, 25%, 50%,75%{
    padding-top: 200px;
    padding-left: 2em;
    color: red
  }");
            Assert.NotNull(rule);
            Assert.Equal("0%, 100%, 25%, 50%, 75%", rule.KeyText);
            Assert.Equal(5, rule.Key.Stops.Count());
            Assert.Equal(3, rule.Style.Declarations.Count());
            Assert.Equal("padding-top", rule.Style.Declarations.Skip(0).First().Name);
            Assert.Equal("padding-left", rule.Style.Declarations.Skip(1).First().Name);
            Assert.Equal("color", rule.Style.Declarations.Skip(2).First().Name);
        }

        [Fact]
        public void KeyframeRuleWith0AndNoDeclarations()
        {
            var rule = ParseKeyframeRule(@"  0% { }");
            Assert.NotNull(rule);
            Assert.Equal("0%", rule.KeyText);
            Assert.Equal(1, rule.Key.Stops.Count());
            Assert.Equal(0, rule.Style.Declarations.Count());
        }
    }
}