CSV_TO_PDF_REPORT/code/src/EnvelopeRenderer.Desktop.Tests/RenderProgressStatusFormatterTests.cs

using EnvelopeRenderer.Desktop.Core.Launch;

namespace EnvelopeRenderer.Desktop.Tests;

public class RenderProgressStatusFormatterTests
{
    [Fact]
    public void Format_Startup_ReturnsFriendlyStartingMessage()
    {
        var text = RenderProgressStatusFormatter.Format(new ProgressEvent(ProgressEventKind.Startup, 0, 0, null));

        Assert.Contains("Starting", text, StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public void Format_Render_IncludesCompletedCountAndElapsedTime()
    {
        var text = RenderProgressStatusFormatter.Format(new ProgressEvent(ProgressEventKind.Render, 1804, 392, null));

        Assert.Contains("392", text);
        Assert.Contains("1.8s", text);
    }

    [Fact]
    public void Format_NeverLeaksRawContractFieldNames()
    {
        var text = RenderProgressStatusFormatter.Format(new ProgressEvent(ProgressEventKind.Render, 1804, 392, null));

        Assert.DoesNotContain("elapsedMs", text);
        Assert.DoesNotContain("completed=", text);
    }

    [Fact]
    public void Format_Complete_MentionsRecordCount()
    {
        var text = RenderProgressStatusFormatter.Format(new ProgressEvent(ProgressEventKind.Complete, 1900, 392, null));

        Assert.Contains("392", text);
    }

    [Fact]
    public void Format_Failure_IsNonTechnical()
    {
        var text = RenderProgressStatusFormatter.Format(
            new ProgressEvent(ProgressEventKind.Failure, 1805, 392, "Failed to save PDF to 'out.pdf' (error code 999)."));

        Assert.Contains("failed", text, StringComparison.OrdinalIgnoreCase);
    }
}