Marcos Paulo
57 lines
2.2 KiB
Rust
57 lines
2.2 KiB
Rust
//! `include_frontmatter` (SPEC 16): the properties table renders at the top
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//! of the page only when the option asks for it, and hostile property counts
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//! are capped with an honest overflow line.
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mod support;
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use notescraft_pdf::{ExportOptions, NoAssets, export};
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use support::{options, text};
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/// Options with the properties option on.
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fn properties() -> ExportOptions {
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let mut opts = options();
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opts.include_frontmatter = true;
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opts
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}
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/// The rendered text of one export.
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fn render(source: &str, opts: &ExportOptions) -> String {
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let pdf = export(source, opts, &NoAssets).unwrap_or_else(|error| panic!("export: {error}"));
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text(&pdf)
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}
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#[test]
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fn nothing_is_drawn_without_frontmatter_or_option() {
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let bare = render("# Just\n\nBody\n", &properties());
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assert_eq!(bare.find("tags"), None, "a note without frontmatter draws no table");
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let defaults = options();
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let hidden = render("---\ntags: blue\n---\n\n# T\n\nBody\n", &defaults);
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assert!(hidden.find("tags").is_none(), "frontmatter is hidden by default");
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}
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#[test]
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fn keys_and_values_render_when_asked_for() {
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let shown = render("---\ncolor: blue\nsize: 10\n---\n# T\nBody", &properties());
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assert!(shown.contains("color"), "the key is drawn: {shown}");
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assert!(shown.contains("blue"), "the value is drawn: {shown}");
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assert!(shown.contains("size"), "the other key is drawn: {shown}");
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assert!(shown.contains("10"), "and its value");
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}
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/// A hostile note with 1000 properties: two hundred rows render, the rest is
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/// reported as one overflow line instead of growing the page list.
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#[test]
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fn a_hostile_property_count_is_capped() {
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let mut frontmatter = String::from("---\n");
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for index in 0..1000 {
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let _ = std::fmt::Write::write_fmt(&mut frontmatter, format_args!("key{index}: value{index}\n"));
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}
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frontmatter.push_str("---\n# T\nBody\n");
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let shown = render(&frontmatter, &properties());
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assert!(shown.contains("key0"), "the first row renders");
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assert!(shown.contains("key199"), "and the two-hundredth");
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assert_eq!(shown.find("key200"), None, "no row beyond the cap");
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assert!(shown.contains("… 800 more"), "the overflow is reported: {shown}");
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}
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