diff --git a/tests/fixtures/content/alt-2page.pdf b/tests/fixtures/content/alt-2page.pdf index 99de3a50..a776a012 100644 Binary files a/tests/fixtures/content/alt-2page.pdf and b/tests/fixtures/content/alt-2page.pdf differ diff --git a/tests/fixtures/content/audio-with-tags.mp3 b/tests/fixtures/content/audio-with-tags.mp3 index e3702d86..098ca21c 100644 Binary files a/tests/fixtures/content/audio-with-tags.mp3 and b/tests/fixtures/content/audio-with-tags.mp3 differ diff --git a/tests/fixtures/content/barcode.avif b/tests/fixtures/content/barcode.avif index d3947896..7b6af9d7 100644 Binary files a/tests/fixtures/content/barcode.avif and b/tests/fixtures/content/barcode.avif differ diff --git a/tests/fixtures/content/barcode.png b/tests/fixtures/content/barcode.png index 73e75e57..5236d2b3 100644 Binary files a/tests/fixtures/content/barcode.png and b/tests/fixtures/content/barcode.png differ diff --git a/tests/fixtures/content/media-30s.mp4 b/tests/fixtures/content/media-30s.mp4 index b2997074..ce975981 100644 Binary files a/tests/fixtures/content/media-30s.mp4 and b/tests/fixtures/content/media-30s.mp4 differ diff --git a/tests/fixtures/content/media-30s.wav b/tests/fixtures/content/media-30s.wav index 704a975e..549ffb73 100644 Binary files a/tests/fixtures/content/media-30s.wav and b/tests/fixtures/content/media-30s.wav differ diff --git a/tests/fixtures/content/multipage-6.pdf b/tests/fixtures/content/multipage-6.pdf index cb2e90a0..91806ea2 100644 Binary files a/tests/fixtures/content/multipage-6.pdf and b/tests/fixtures/content/multipage-6.pdf differ diff --git a/tests/fixtures/content/ocr-clean.png b/tests/fixtures/content/ocr-clean.png index ad673642..ef84876d 100644 Binary files a/tests/fixtures/content/ocr-clean.png and b/tests/fixtures/content/ocr-clean.png differ diff --git a/tests/fixtures/content/ocr-japanese.png b/tests/fixtures/content/ocr-japanese.png index ef042c98..dae2d452 100644 Binary files a/tests/fixtures/content/ocr-japanese.png and b/tests/fixtures/content/ocr-japanese.png differ diff --git a/tests/fixtures/content/qr-code.avif b/tests/fixtures/content/qr-code.avif index d199488b..ec6ce48b 100644 Binary files a/tests/fixtures/content/qr-code.avif and b/tests/fixtures/content/qr-code.avif differ diff --git a/tests/fixtures/content/qr-code.png b/tests/fixtures/content/qr-code.png index f4e0ae4f..cb03f573 100644 Binary files a/tests/fixtures/content/qr-code.png and b/tests/fixtures/content/qr-code.png differ diff --git a/tests/fixtures/content/qr-code.svg b/tests/fixtures/content/qr-code.svg index 3c3dac7d..a89a74f8 100644 --- a/tests/fixtures/content/qr-code.svg +++ b/tests/fixtures/content/qr-code.svg @@ -1,3 +1 @@ - - - + diff --git a/tests/fixtures/content/video-with-meta.mp4 b/tests/fixtures/content/video-with-meta.mp4 index 7cfc429f..5c5c4cb2 100644 Binary files a/tests/fixtures/content/video-with-meta.mp4 and b/tests/fixtures/content/video-with-meta.mp4 differ diff --git a/tests/fixtures/gen-synthetic-content.mjs b/tests/fixtures/gen-synthetic-content.mjs new file mode 100644 index 00000000..41814f78 --- /dev/null +++ b/tests/fixtures/gen-synthetic-content.mjs @@ -0,0 +1,348 @@ +#!/usr/bin/env node +// gen-synthetic-content.mjs -- Regenerates Category A & B content fixtures as CC0. +// +// Category A: Deterministically regenerable (QR codes, barcodes, OCR text, PDFs, +// synthetic audio/video). +// Category B: Replaces copyrighted content (Simpsons GIF, ConvertICO SVG, +// Shutterstock stock photo) with project-owned CC0 alternatives. +// +// All output is provably CC0 (generated by project scripts, no third-party IP). +// Usage: node tests/fixtures/gen-synthetic-content.mjs +// +// Dependencies (resolved from apps/api/node_modules): +// sharp, qrcode +// System deps on PATH: +// ffmpeg + +import { writeFileSync } from "node:fs"; +import { dirname, join } from "node:path"; +import { execSync } from "node:child_process"; +import { fileURLToPath } from "node:url"; +import { createRequire } from "node:module"; + +const __dirname = dirname(fileURLToPath(import.meta.url)); +const CONTENT = join(__dirname, "content"); +const require = createRequire(join(__dirname, "../../apps/api/package.json")); +const sharp = require("sharp"); +const QRCode = require("qrcode"); + +// ── Code 128B barcode encoder ────────────────────────────── + +// Standard Code 128 bar patterns (11 modules each, stop = 13 modules). +// Each string is a binary pattern: 1 = dark bar, 0 = light space. +const CODE128 = [ + "11011001100","11001101100","11001100110","10010011000","10010001100", + "10001001100","10011001000","10011000100","10001100100","11001001000", + "11001000100","11000100100","10110011100","10011011100","10011001110", + "10111001100","10011101100","10011100110","11001110010","11001011100", + "11001001110","11011100100","11001110100","11101101110","11101001100", + "11100101100","11100100110","11101100100","11100110100","11100110010", + "11011011000","11011000110","11000110110","10100011000","10001011000", + "10001000110","10110001000","10001101000","10001100010","11010001000", + "11000101000","11000100010","10110111000","10110001110","10001101110", + "10111011000","10111000110","10001110110","11101110110","11010001110", + "11000101110","11011101000","11011100010","11011101110","11101011000", + "11101000110","11100010110","11101101000","11101100010","11100011010", + "11101111010","11001000010","11110001010","10100110000","10100001100", + "10010110000","10010000110","10000101100","10000100110","10110010000", + "10110000100","10011010000","10011000010","10000110100","10000110010", + "11000010010","11001010000","11110111010","11000010100","10001111010", + "10100111100","10010111100","10010011110","10111100100","10011110100", + "10011110010","11110100100","11110010100","11110010010","11011011110", + "11011110110","11110110110","10101111000","10100011110","10001011110", + "10111101000","10111100010","11110101000","11110100010","10111011110", + "10111101110","11101011110","11110101110", + "11010000100", // 103 Start A + "11010010000", // 104 Start B + "11010011100", // 105 Start C +]; +const CODE128_STOP = "1100011101011"; + +function encodeCode128B(text) { + const START_B = 104; + const values = [START_B]; + let checksum = START_B; + for (let i = 0; i < text.length; i++) { + const v = text.charCodeAt(i) - 32; + values.push(v); + checksum += v * (i + 1); + } + values.push(checksum % 103); + let bits = ""; + for (const v of values) bits += CODE128[v]; + bits += CODE128_STOP; + return bits; +} + +function barcodeSvg(text, width, height) { + const bits = encodeCode128B(text); + const barH = height - 40; + const quietZone = 20; + const barAreaW = width - 2 * quietZone; + const unitW = barAreaW / bits.length; + const bars = []; + for (let i = 0; i < bits.length; i++) { + if (bits[i] === "1") { + bars.push(``); + } + } + return ` + + ${bars.join("\n ")} + ${text} +`; +} + +// ── Minimal PDF generator ────────────────────────────────── + +function generatePdf(pageCount) { + const objects = []; + let nextObj = 1; + const addObj = (content) => { + const id = nextObj++; + objects.push({ id, content }); + return id; + }; + + const catalogId = addObj(null); + const pagesId = addObj(null); + const fontId = addObj("<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>"); + + const pageIds = []; + for (let i = 1; i <= pageCount; i++) { + const stream = `BT /F1 24 Tf 72 700 Td (Page ${i}) Tj ET`; + const sId = addObj(`<< /Length ${stream.length} >>\nstream\n${stream}\nendstream`); + const pId = addObj( + `<< /Type /Page /Parent ${pagesId} 0 R /MediaBox [0 0 612 792] ` + + `/Contents ${sId} 0 R /Resources << /Font << /F1 ${fontId} 0 R >> >> >>`, + ); + pageIds.push(pId); + } + + objects[0].content = `<< /Type /Catalog /Pages ${pagesId} 0 R >>`; + objects[1].content = + `<< /Type /Pages /Kids [${pageIds.map((id) => `${id} 0 R`).join(" ")}] /Count ${pageCount} >>`; + + let pdf = "%PDF-1.7\n%\x81\x81\x81\x81\n\n"; + const offsets = []; + for (const obj of objects) { + offsets.push(pdf.length); + pdf += `${obj.id} 0 obj\n${obj.content}\nendobj\n\n`; + } + + const xrefOffset = pdf.length; + pdf += `xref\n0 ${objects.length + 1}\n`; + pdf += "0000000000 65535 f \n"; + for (const off of offsets) { + pdf += `${String(off).padStart(10, "0")} 00000 n \n`; + } + pdf += `trailer\n<< /Size ${objects.length + 1} /Root ${catalogId} 0 R >>\n`; + pdf += `startxref\n${xrefOffset}\n%%EOF\n`; + return Buffer.from(pdf, "binary"); +} + +// ── SVG logo (project-owned, replaces ConvertICO brand) ─── + +function projectSvg() { + return ` + SnapOtter Test Fixture + CC0 geometric test SVG generated by gen-synthetic-content.mjs + + + + + + + + + + + + + + + + + + + TEST FIXTURE + CC0 - Generated Asset +`; +} + +// ── Multi-face placeholder (replaces Shutterstock photo) ── + +function multiFaceSvg(w, h) { + const cols = 5; + const rows = 2; + const cw = w / cols; + const ch = h / rows; + const colors = [ + "#D4956A", "#C2885E", "#E8B88A", "#A67853", "#BF9570", + "#D9A87C", "#CB9068", "#E5C49E", "#B08060", "#C89878", + ]; + const shapes = []; + for (let r = 0; r < rows; r++) { + for (let c = 0; c < cols; c++) { + const cx = cw * c + cw / 2; + const cy = ch * r + ch / 2; + const rx = cw * 0.3; + const ry = ch * 0.38; + const idx = r * cols + c; + shapes.push(``); + shapes.push(``); + shapes.push(``); + } + } + return ` + + ${shapes.join("\n ")} +`; +} + +// ── ffmpeg helper (all args are hardcoded constants) ─────── + +function ff(args, label) { + try { + execSync(`ffmpeg ${args}`, { stdio: "pipe" }); + console.log(` ${label}`); + } catch (e) { + console.error(` FAILED: ${label}`, e.stderr?.toString().slice(-300)); + throw e; + } +} + +// ── Main ─────────────────────────────────────────────────── + +async function main() { + console.log("Regenerating Category A & B content fixtures...\n"); + + // ── QR codes (A) ── + console.log("QR codes:"); + const qrData = "https://snapotter.com"; + const qrPng = await QRCode.toBuffer(qrData, { + width: 400, margin: 2, color: { dark: "#000000", light: "#ffffff" }, + }); + writeFileSync(join(CONTENT, "qr-code.png"), qrPng); + console.log(" qr-code.png"); + + const qrSvg = await QRCode.toString(qrData, { type: "svg", width: 296, margin: 2 }); + writeFileSync(join(CONTENT, "qr-code.svg"), qrSvg); + console.log(" qr-code.svg"); + + const qrAvif = await sharp(qrPng).resize(400, 400).avif({ quality: 80 }).toBuffer(); + writeFileSync(join(CONTENT, "qr-code.avif"), qrAvif); + console.log(" qr-code.avif"); + + // ── Barcodes (A) ── + console.log("Barcodes:"); + const bcText = "SNAPOTTER-TEST-123"; + const bcSvgStr = barcodeSvg(bcText, 699, 152); + const bcPng = await sharp(Buffer.from(bcSvgStr)).png().toBuffer(); + writeFileSync(join(CONTENT, "barcode.png"), bcPng); + console.log(" barcode.png"); + + const bcAvif = await sharp(Buffer.from(bcSvgStr)).avif({ quality: 80 }).toBuffer(); + writeFileSync(join(CONTENT, "barcode.avif"), bcAvif); + console.log(" barcode.avif"); + + // ── OCR text images (A) ── + console.log("OCR text images:"); + const ocrEngSvg = ` + + The quick brown fox 12345 + `; + const ocrEngPng = await sharp(Buffer.from(ocrEngSvg)).png().toBuffer(); + writeFileSync(join(CONTENT, "ocr-clean.png"), ocrEngPng); + console.log(" ocr-clean.png"); + + const jpText = + "日本語の表記においては，漢字や仮名だけで" + + "なく，ローマ字やアラビア数字，さらに句読" + + "点や括弧類などの記述記号を用いる。これら" + + "を組み合わせて表す日本語の文書では，表記" + + "上における種々の問題がある。"; + const chars = [...jpText]; + const lineLen = Math.ceil(chars.length / 6); + const lines = []; + for (let i = 0; i < chars.length; i += lineLen) { + lines.push(chars.slice(i, i + lineLen).join("")); + } + const jpSvg = ` + + ${lines.map((line, i) => `${line}`).join("\n ")} + `; + const jpPng = await sharp(Buffer.from(jpSvg)).png().toBuffer(); + writeFileSync(join(CONTENT, "ocr-japanese.png"), jpPng); + console.log(" ocr-japanese.png"); + + // ── PDFs (A) ── + console.log("PDFs:"); + writeFileSync(join(CONTENT, "alt-2page.pdf"), generatePdf(2)); + console.log(" alt-2page.pdf"); + writeFileSync(join(CONTENT, "multipage-6.pdf"), generatePdf(6)); + console.log(" multipage-6.pdf"); + + // ── SVG logo (B: replaces ConvertICO brand) ── + console.log("SVG logo (replacing ConvertICO brand):"); + writeFileSync(join(CONTENT, "svg-logo.svg"), projectSvg()); + console.log(" svg-logo.svg"); + + // ── Multi-face placeholder (B: replaces Shutterstock photo) ── + console.log("Multi-face placeholder (replacing Shutterstock stock photo):"); + const mfSvg = multiFaceSvg(433, 280); + const mfWebp = await sharp(Buffer.from(mfSvg)).webp({ quality: 80 }).toBuffer(); + writeFileSync(join(CONTENT, "multi-face.webp"), mfWebp); + console.log(" multi-face.webp"); + + // ── Animated GIF (B: replaces copyrighted Simpsons clip) ── + console.log("Animated GIF (replacing copyrighted Simpsons clip):"); + const gifOut = join(CONTENT, "animated-simpsons.gif"); + ff( + `-f lavfi -i "testsrc=duration=3:size=320x320:rate=10" -pix_fmt rgb8 -loop 0 -y "${gifOut}"`, + "animated-simpsons.gif", + ); + + // ── Synthetic audio/video (A) ── + console.log("Synthetic audio/video:"); + + ff( + `-f lavfi -i "sine=frequency=440:duration=1.2:sample_rate=8000" ` + + `-c:a libmp3lame -b:a 64k -ar 8000 -ac 1 ` + + `-metadata title="Test Song" -metadata artist="Test Artist" ` + + `-metadata album="Test Album" -metadata date="2026" ` + + `-metadata genre="Electronic" -metadata track="1/10" ` + + `-y "${join(CONTENT, "audio-with-tags.mp3")}"`, + "audio-with-tags.mp3", + ); + + ff( + `-f lavfi -i "color=c=0xE07832:s=64x64:d=1:rate=16" ` + + `-c:v libx264 -pix_fmt yuv420p -movflags +faststart ` + + `-y "${join(CONTENT, "video-with-meta.mp4")}"`, + "video-with-meta.mp4", + ); + + ff( + `-f lavfi -i "testsrc2=duration=30:size=640x360:rate=24" ` + + `-f lavfi -i "sine=frequency=440:duration=30:sample_rate=44100" ` + + `-c:v libx264 -pix_fmt yuv420p -preset ultrafast ` + + `-c:a aac -b:a 128k -ac 1 -movflags +faststart ` + + `-y "${join(CONTENT, "media-30s.mp4")}"`, + "media-30s.mp4", + ); + + ff( + `-f lavfi -i "sine=frequency=440:duration=30:sample_rate=44100" ` + + `-ac 1 -c:a pcm_s16le ` + + `-y "${join(CONTENT, "media-30s.wav")}"`, + "media-30s.wav", + ); + + console.log("\nDone. Run gen-manifest.mjs to re-stamp hashes."); +} + +main().catch((e) => { + console.error("FATAL:", e); + process.exit(1); +});