katana-document-viewer 0.1.4

KatanA document viewer artifact, render evaluation, and export foundation.
Documentation 
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use super::{
    KrrMathMode, KrrRenderPayload, KrrRenderRequest, KrrRenderRuntime, KrrRenderRuntimeAdapter,
};

#[test]
fn krr_runtime_renders_tex_to_svg_without_parsing_markdown_ast()
-> Result<(), Box<dyn std::error::Error>> {
    let output = KrrRenderRuntimeAdapter
        .render(KrrRenderRequest::math_tex(r"E = mc^2", KrrMathMode::Inline));

    match output.payload {
        KrrRenderPayload::Svg(svg) => {
            assert!(svg.contains("<svg"));
            assert!(
                svg.contains(r#"data-latex="E = mc^2""#),
                "root svg metadata must keep the full input: {svg}"
            );
            assert!(
                svg.contains(r#"data-latex="=""#) && svg.contains(r#"data-latex="m""#),
                "KRR must render the full inline expression instead of the first token only: {svg}"
            );
        }
        KrrRenderPayload::Raw(raw) => {
            return Err(std::io::Error::other(format!("expected svg, got raw: {raw}")).into());
        }
    }
    assert!(output.diagnostics.is_empty());
    Ok(())
}

#[test]
fn krr_runtime_returns_raw_source_for_invalid_input() {
    let output =
        KrrRenderRuntimeAdapter.render(KrrRenderRequest::math_tex("", KrrMathMode::Display));

    assert_eq!(output.payload, KrrRenderPayload::Raw(String::new()));
    assert_eq!(output.diagnostics[0].code, "empty-input");
}