mfgames-cil/tests/MfGames.Nitride.Markdown.Tests/MakeSingleLinkListItemsTests.cs

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

namespace MfGames.Nitride.Markdown.Tests;

/// <summary>
/// Tests the functionality of the WriteFiles().
/// </summary>
public class MakeSingleLinkListItemsTests : TestBase<MarkdownTestContext>
{
    public MakeSingleLinkListItemsTests(ITestOutputHelper output)
        : base(output) { }

    [Fact]
    public void AlreadyFullMarkdownLink()
    {
        using MarkdownTestContext context = this.CreateContext();

        List<Entity> input =
            new() { new Entity().Set(IsMarkdown.Instance).SetTextContent("- [Empty](link)"), };
        MakeSingleLinkListItems? op = context.Resolve<MakeSingleLinkListItems>();
        IEnumerable<Entity> output = op.Run(input);
        string content = output.First().GetTextContentString()!.Trim();

        Assert.Equal("- [Empty](link)", content);
    }

    [Fact]
    public void ExtendSingleMarkdownLink()
    {
        using MarkdownTestContext context = this.CreateContext();

        List<Entity> input =
            new()
            {
                new Entity().Set(IsMarkdown.Instance).SetTextContent("- [Empty](link) space"),
            };
        MakeSingleLinkListItems? op = context.Resolve<MakeSingleLinkListItems>();
        IEnumerable<Entity> output = op.Run(input);
        string content = output.First().GetTextContentString()!.Trim();

        Assert.Equal("- [Empty space](link)", content);
    }

    [Fact]
    public void ExtendSingleMarkdownLinkStar()
    {
        using MarkdownTestContext context = this.CreateContext();

        List<Entity> input =
            new()
            {
                new Entity().Set(IsMarkdown.Instance).SetTextContent("* [Empty](link) space"),
            };
        MakeSingleLinkListItems? op = context.Resolve<MakeSingleLinkListItems>();
        IEnumerable<Entity> output = op.Run(input);
        string content = output.First().GetTextContentString()!.Trim();

        Assert.Equal("* [Empty space](link)", content);
    }

    [Fact]
    public void ExtendSingleMarkdownLinkSpaces()
    {
        // Prettier formats lists like this.
        using MarkdownTestContext context = this.CreateContext();

        List<Entity> input =
            new()
            {
                new Entity().Set(IsMarkdown.Instance).SetTextContent("-   [Empty](link) space"),
            };
        MakeSingleLinkListItems? op = context.Resolve<MakeSingleLinkListItems>();
        IEnumerable<Entity> output = op.Run(input);
        string content = output.First().GetTextContentString()!.Trim();

        Assert.Equal("-   [Empty space](link)", content);
    }

    [Fact]
    public void NoLinksNoChange()
    {
        using MarkdownTestContext context = this.CreateContext();

        List<Entity> input =
            new() { new Entity().Set(IsMarkdown.Instance).SetTextContent("- Empty"), };
        MakeSingleLinkListItems? op = context.Resolve<MakeSingleLinkListItems>();
        IEnumerable<Entity> output = op.Run(input);
        string content = output.First().GetTextContentString()!.Trim();

        Assert.Equal("- Empty", content);
    }

    [Fact]
    public void RemoveSecondMarkdownLink()
    {
        using MarkdownTestContext context = this.CreateContext();

        List<Entity> input =
            new()
            {
                new Entity()
                    .Set(IsMarkdown.Instance)
                    .SetTextContent("- [Empty](link) [space](link2)"),
            };
        MakeSingleLinkListItems? op = context.Resolve<MakeSingleLinkListItems>();
        IEnumerable<Entity> output = op.Run(input);
        string content = output.First().GetTextContentString()!.Trim();

        Assert.Equal("- [Empty space](link)", content);
    }
}