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74 lines
2.8 KiB
Rust
74 lines
2.8 KiB
Rust
fn exact_multiline_latex_response() -> &'static str {
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concat!(
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"\\[\n\\boxed{\ne^{i\\pi}+1=0\n}\n\\]\n\n",
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"\\[\n\\int_{-\\infty}^{\\infty} e^{-x^2}\\,dx=\\sqrt{\\pi}\n\\]\n\n",
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"\\[\nx=\\frac{-b\\pm\\sqrt{b^2-4ac}}{2a}\n\\]\n\n",
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"\\[\n\\nabla\\cdot\\mathbf{E}=\\frac{\\rho}{\\varepsilon_0}\n\\]\n\n",
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"\\[\n\\frac{\\partial \\psi}{\\partial t}\n=\n",
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"\\alpha\\frac{\\partial^2\\psi}{\\partial x^2}\n\\]",
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)
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}
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#[test]
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fn exact_multiline_response_renders_all_five_equations() {
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let mut renderer = IncrementalMarkdownRenderer::new(Some(90));
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let rendered = lines_to_string(&renderer.update(exact_multiline_latex_response()));
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assert_eq!(rendered.matches("┌─ math").count(), 5, "{rendered}");
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assert!(!rendered.contains("$$"), "{rendered}");
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assert!(!rendered.contains(r"\partial"), "{rendered}");
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assert!(rendered.contains('∂'), "{rendered}");
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assert!(rendered.contains('α'), "{rendered}");
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}
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#[test]
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fn every_streaming_prefix_converges_to_the_full_math_render() {
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let response = exact_multiline_latex_response();
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let mut renderer = IncrementalMarkdownRenderer::new(Some(90));
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for end in response
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.char_indices()
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.map(|(index, _)| index)
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.chain(std::iter::once(response.len()))
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{
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let _ = renderer.update(&response[..end]);
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}
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let incremental = renderer.update(response);
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let full = with_streaming_render_context(|| render_markdown_with_width(response, Some(90)));
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assert_eq!(incremental, full);
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assert_eq!(lines_to_string(&incremental).matches("┌─ math").count(), 5);
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}
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#[test]
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fn streaming_math_never_invokes_the_synchronous_image_toolchain() {
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latex_image::reset_test_render_attempts();
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let mut renderer = IncrementalMarkdownRenderer::new(Some(90));
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let _ = renderer.update(exact_multiline_latex_response());
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assert_eq!(latex_image::test_render_attempts(), 0);
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latex_image::reset_test_render_attempts();
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let _ = render_markdown(r"$$x^2$$");
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assert!(
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latex_image::test_render_attempts() > 0,
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"completed non-streaming Image mode should attempt the configured image renderer"
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);
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}
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#[test]
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fn multiline_relations_survive_blockquotes_and_promoted_delimiters() {
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let source = concat!(
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"> Blockquote display:\n> \\[\n> x^2\n> =\n> y^2\n> \\]\n\n",
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"Standalone spelling:\n\\(\nx\n=\ny\n\\)",
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);
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let rendered = with_streaming_render_context(|| {
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lines_to_string(&render_markdown_with_width(source, Some(90)))
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});
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assert_eq!(rendered.matches("┌─ math").count(), 2, "{rendered}");
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assert!(rendered.contains("x² = y²"), "{rendered}");
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assert!(rendered.contains("x = y"), "{rendered}");
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assert!(!rendered.contains("{}="), "{rendered}");
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assert!(!rendered.contains("$$"), "{rendered}");
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}
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