Files
hyperframes/packages/core/src/compiler/timingCompiler.test.ts
T

275 lines
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TypeScript

import { readFileSync } from "node:fs";
import { dirname, join } from "node:path";
import { describe, it, expect } from "vitest";
import {
compileTimingAttrs,
injectDurations,
extractResolvedMedia,
clampDurations,
shouldClampResolvedMediaDuration,
} from "./timingCompiler.js";
// Raw 0x00 bytes in the HFMASK delimiters shipped once and broke every render
// under Bun's transpiler while behaving fine under Node (issue #2139) — only a
// byte-level check catches that, so keep the delimiters as \x00 escapes.
it("source contains no raw NUL bytes", () => {
const testPath = expect.getState().testPath ?? "";
const src = readFileSync(join(dirname(testPath), "timingCompiler.ts"), "latin1");
expect(src.includes("\x00")).toBe(false);
});
describe("compileTimingAttrs", () => {
it("adds data-end when data-start and data-duration are present on a video", () => {
const html = '<video id="v1" src="a.mp4" data-start="2" data-duration="5">';
const { html: compiled, unresolved } = compileTimingAttrs(html);
expect(compiled).toContain('data-end="7"');
expect(compiled).toContain('data-has-audio="true"');
expect(unresolved).toHaveLength(0);
});
it("injects a real id when the element has only data-hf-id (not a phantom match)", () => {
// Regression: getAttr(tag, "id") matched the trailing id="…" inside
// data-hf-id="…" and returned a phantom, so compileTag skipped its
// hf-video-N injection — leaving no real el.id and a blank-wash render.
const html = '<video data-hf-id="hf-bgvideo01" src="a.mp4" data-start="0" data-duration="2">';
const { html: compiled } = compileTimingAttrs(html);
expect(compiled).toContain('id="hf-video-0"');
expect(compiled).toContain('data-hf-id="hf-bgvideo01"');
expect(compiled).toContain('data-end="2"');
});
it("injects a real id on an audio element that has only data-hf-id", () => {
// Audio side of the same bug: the mixer selects `audio[id][src]`, so a
// phantom-id match meant the element was dropped (silent). compileTag must
// inject a real hf-audio-N so the mixer can find it.
const html = '<audio data-hf-id="hf-bgaudio01" src="a.mp3" data-start="0" data-duration="2">';
const { html: compiled } = compileTimingAttrs(html);
expect(compiled).toContain('id="hf-audio-0"');
expect(compiled).toContain('data-hf-id="hf-bgaudio01"');
});
it("leaves data-end unchanged when already present", () => {
const html = '<video id="v1" src="a.mp4" data-start="0" data-end="3">';
const { html: compiled, unresolved } = compileTimingAttrs(html);
expect(compiled).toContain('data-end="3"');
expect(compiled).not.toContain("data-duration");
expect(unresolved).toHaveLength(0);
});
it("marks muted videos as visual-only audio sources", () => {
const html = '<video id="v1" src="a.mp4" data-start="0" data-duration="3" muted playsinline>';
const { html: compiled } = compileTimingAttrs(html);
expect(compiled).toContain('data-has-audio="false"');
expect(compiled).not.toContain('data-has-audio="true"');
});
it("marks video as unresolved when data-duration and data-end are missing", () => {
const html = '<video id="v1" src="a.mp4" data-start="1">';
const { unresolved } = compileTimingAttrs(html);
expect(unresolved).toHaveLength(1);
expect(unresolved[0].id).toBe("v1");
expect(unresolved[0].tagName).toBe("video");
expect(unresolved[0].start).toBe(1);
});
it("auto-assigns ids to id-less videos so unresolved duration resolution can target them", () => {
const html = '<video src="a.mp4" data-start="1">';
const { html: compiled, unresolved } = compileTimingAttrs(html);
expect(compiled).toContain('id="hf-video-0"');
expect(compiled).toContain('data-has-audio="true"');
expect(unresolved).toHaveLength(1);
expect(unresolved[0].id).toBe("hf-video-0");
expect(unresolved[0].tagName).toBe("video");
expect(unresolved[0].start).toBe(1);
});
it("auto-injects data-start='0' when missing so video is discoverable", () => {
const html = '<video src="clip.mp4" muted>';
const { html: compiled, unresolved } = compileTimingAttrs(html);
expect(compiled).toContain('data-start="0"');
expect(compiled).toContain('id="hf-video-0"');
expect(unresolved).toHaveLength(1);
expect(unresolved[0].start).toBe(0);
});
it("marks auto-injected data-start with data-hf-auto-start sentinel", () => {
const html = '<video src="clip.mp4" muted>';
const { html: compiled } = compileTimingAttrs(html);
expect(compiled).toContain('data-start="0"');
expect(compiled).toContain("data-hf-auto-start");
});
it("does not add data-hf-auto-start when author provides data-start", () => {
const html = '<video id="v1" src="clip.mp4" data-start="5" muted>';
const { html: compiled } = compileTimingAttrs(html);
expect(compiled).toContain('data-start="5"');
expect(compiled).not.toContain("data-hf-auto-start");
});
it("compiles audio tags the same as video (minus data-has-audio)", () => {
const html = '<audio id="a1" src="music.mp3" data-start="0" data-duration="10">';
const { html: compiled } = compileTimingAttrs(html);
expect(compiled).toContain('data-end="10"');
expect(compiled).not.toContain("data-has-audio");
});
it("detects unresolved div/section elements with data-start but no data-end", () => {
const html = '<div id="comp1" data-start="0" data-composition-src="comp.html">';
const { unresolved } = compileTimingAttrs(html);
expect(unresolved).toHaveLength(1);
expect(unresolved[0].id).toBe("comp1");
expect(unresolved[0].tagName).toBe("div");
expect(unresolved[0].compositionSrc).toBe("comp.html");
});
it("does not report div as unresolved when data-end is present", () => {
const html = '<div id="comp1" data-start="0" data-end="5">';
const { unresolved } = compileTimingAttrs(html);
expect(unresolved).toHaveLength(0);
});
it("ignores media tags mentioned inside comments (issue #1938)", () => {
const html =
"<!-- this comment mentions a <video> and an <audio> tag -->\n<p>no media here</p>";
const { html: compiled, unresolved } = compileTimingAttrs(html);
// Comment text is preserved verbatim — no id/data-start/data-hf-auto-start injected.
expect(compiled).toBe(html);
expect(compiled).not.toContain("data-hf-auto-start");
expect(unresolved).toHaveLength(0);
});
it("ignores media tags inside <script> string literals", () => {
const html = '<script>const x = "<video src=\\"a.mp4\\">";</script>';
const { html: compiled, unresolved } = compileTimingAttrs(html);
expect(compiled).toBe(html);
expect(unresolved).toHaveLength(0);
});
it("still compiles real media tags alongside a comment that mentions them", () => {
const html =
'<!-- a <video> in prose -->\n<video src="a.mp4" data-start="0" data-duration="2">';
const { html: compiled } = compileTimingAttrs(html);
expect(compiled).toContain("<!-- a <video> in prose -->");
expect(compiled).toContain('id="hf-video-0"');
expect(compiled).toContain('data-end="2"');
});
it("preserves inert regions when compiled output is compiled again", () => {
const html = [
'<style>.hero::after { content: "$& $$ $` $\' <video>"; }</style>',
'<script>const markup = "$& $$ $` $\' <audio>";</script>',
'<video class="hero" src="a.mp4" data-start="0" data-duration="2">',
].join("\n");
const first = compileTimingAttrs(html).html;
const second = compileTimingAttrs(first).html;
expect(second).toContain('<style>.hero::after { content: "$& $$ $` $\' <video>"; }</style>');
expect(second).toContain('<script>const markup = "$& $$ $` $\' <audio>";</script>');
expect(second).toContain('data-end="2"');
expect(second).not.toContain("HFMASK");
});
});
describe("injectDurations", () => {
it("adds data-duration and data-end for resolved elements", () => {
const html = '<video id="v1" src="a.mp4" data-start="2">';
const result = injectDurations(html, [{ id: "v1", duration: 4 }]);
expect(result).toContain('data-duration="4"');
expect(result).toContain('data-end="6"');
});
it("injects durations for auto-assigned media ids", () => {
const { html, unresolved } = compileTimingAttrs('<video src="a.mp4" data-start="1">');
const result = injectDurations(html, [{ id: unresolved[0]!.id, duration: 4 }]);
expect(result).toContain('id="hf-video-0"');
expect(result).toContain('data-duration="4"');
expect(result).toContain('data-end="5"');
});
it("does not overwrite existing data-duration", () => {
const html = '<video id="v1" src="a.mp4" data-start="0" data-duration="3">';
const result = injectDurations(html, [{ id: "v1", duration: 10 }]);
// data-duration already present, should not be duplicated
expect(result).toContain('data-duration="3"');
});
});
describe("extractResolvedMedia", () => {
it("extracts video and audio elements with data-duration set", () => {
const html = [
'<video id="v1" src="vid.mp4" data-start="1" data-duration="5" data-media-start="0">',
'<audio id="a1" src="song.mp3" data-start="0" data-duration="10">',
'<video id="v2" src="other.mp4" data-start="0">', // no duration
].join("\n");
const resolved = extractResolvedMedia(html);
expect(resolved).toHaveLength(2);
expect(resolved[0].id).toBe("v1");
expect(resolved[0].tagName).toBe("video");
expect(resolved[0].duration).toBe(5);
expect(resolved[0].start).toBe(1);
expect(resolved[0].loop).toBe(false);
expect(resolved[1].id).toBe("a1");
expect(resolved[1].tagName).toBe("audio");
expect(resolved[1].duration).toBe(10);
});
it("marks looped media so render compilation can preserve display duration", () => {
const html = '<video id="v1" src="vid.webm" data-start="0" data-duration="4" loop>';
const resolved = extractResolvedMedia(html);
expect(resolved).toHaveLength(1);
expect(resolved[0]).toMatchObject({
id: "v1",
tagName: "video",
duration: 4,
loop: true,
});
});
it("skips elements with invalid durations", () => {
const html = '<video id="v1" src="a.mp4" data-start="0" data-duration="NaN">';
const resolved = extractResolvedMedia(html);
expect(resolved).toHaveLength(0);
});
});
describe("clampDurations", () => {
it("replaces data-duration and recomputes data-end", () => {
const html = '<video id="v1" src="a.mp4" data-start="2" data-duration="10" data-end="12">';
const result = clampDurations(html, [{ id: "v1", duration: 5 }]);
expect(result).toContain('data-duration="5"');
expect(result).toContain('data-end="7"');
});
});
describe("shouldClampResolvedMediaDuration", () => {
it("preserves an explicit video slot but keeps audio source-bounded", () => {
expect(shouldClampResolvedMediaDuration("video", 5, 1)).toBe(false);
expect(shouldClampResolvedMediaDuration("audio", 5, 1)).toBe(true);
});
});