mfgames-nitride-cil/tests/Nitride.Yaml.Tests/ParseYamlHeaderTests.cs

using System.Collections.Generic;
using System.Linq;
using Gallium;
using Nitride.Contents;
using Nitride.Tests;
using Xunit;
using Xunit.Abstractions;

namespace Nitride.Yaml.Tests
{
    public class ParseYamlHeaderTests : NitrideTestsBase
    {
        public ParseYamlHeaderTests(ITestOutputHelper output)
            : base(output)
        {
        }

        [Fact]
        public void ParseNoContent()
        {
            var input = new List<Entity>
            {
                new Entity()
                    .SetTextContent(
                        new StringTextContent(
                            "---",
                            "title: Test Title 1",
                            "---"))
            };

            var op = new ParseYamlHeader<TestHeader>();

            Entity output = input
                .Run(op)
                .First();

            Assert.True(output.Has<ITextContent>());
            Assert.Equal(
                new[]
                {
                    string.Empty,
                },
                output.Get<ITextContent>().GetText().Split("\n"));
            Assert.True(output.Has<TestHeader>());
            Assert.Equal("Test Title 1", output.Get<TestHeader>().Title);
        }

        [Fact]
        public void ParseNoHeader()
        {
            var input = new List<Entity>
            {
                new Entity()
                    .SetTextContent(
                        new StringTextContent(
                            "Hello"))
            };

            var op = new ParseYamlHeader<TestHeader>();

            Entity output = input
                .Run(op)
                .First();

            Assert.True(output.Has<ITextContent>());
            Assert.Equal(
                new[]
                {
                    "Hello",
                    string.Empty,
                },
                output.Get<ITextContent>().GetText().Split("\n"));
            Assert.True(output.Has<TestHeader>());
            Assert.Null(output.Get<TestHeader>().Title);
        }

        [Fact]
        public void ParseSimpleHeader()
        {
            var input = new List<Entity>
            {
                new Entity()
                    .SetTextContent(
                        new StringTextContent(
                            "---",
                            "title: Test Title 1",
                            "---",
                            "Hello"))
            };

            var op = new ParseYamlHeader<TestHeader>();

            Entity output = input
                .Run(op)
                .First();

            Assert.True(output.Has<ITextContent>());
            Assert.Equal(
                new[]
                {
                    "Hello",
                    string.Empty,
                },
                output.Get<ITextContent>().GetText().Split("\n"));
            Assert.True(output.Has<TestHeader>());
            Assert.Equal("Test Title 1", output.Get<TestHeader>().Title);
        }

        private class TestHeader
        {
            public string? Title { get; set; }
        }
    }
}