| 1 | // Run: tsx src/__tests__/font-availability.test.ts |
| 2 | |
| 3 | import { getAvailableFontFamilies, getAvailableMonoFontFamilies } from "../lib/fontAvailability"; |
| 4 | |
| 5 | let passed = 0; |
| 6 | let failed = 0; |
| 7 | |
| 8 | function eq(a: unknown, b: unknown, label: string) { |
| 9 | if (JSON.stringify(a) === JSON.stringify(b)) { |
| 10 | process.stdout.write(` PASS ${label}\n`); |
| 11 | passed += 1; |
| 12 | } else { |
| 13 | process.stdout.write(` FAIL ${label}: expected ${JSON.stringify(b)}, got ${JSON.stringify(a)}\n`); |
| 14 | failed += 1; |
| 15 | } |
| 16 | } |
| 17 | |
| 18 | const noneInstalled = () => false; |
| 19 | const hasFont = (name: string) => (names: readonly string[]) => names.includes(name); |
| 20 | |
| 21 | console.log("\nfont availability"); |
| 22 | |
| 23 | eq( |
| 24 | getAvailableFontFamilies("system", "darwin", noneInstalled), |
| 25 | ["system", "pingfang", "custom"], |
| 26 | "macOS shows native UI font plus stable choices", |
| 27 | ); |
| 28 | eq( |
| 29 | getAvailableFontFamilies("system", "windows", noneInstalled), |
| 30 | ["system", "yahei", "custom"], |
| 31 | "Windows shows native UI font plus stable choices", |
| 32 | ); |
| 33 | eq( |
| 34 | getAvailableFontFamilies("system", "linux", noneInstalled), |
| 35 | ["system", "noto", "custom"], |
| 36 | "Linux shows Noto-style UI font plus stable choices", |
| 37 | ); |
| 38 | eq( |
| 39 | getAvailableFontFamilies("system", "darwin", hasFont("Microsoft YaHei")), |
| 40 | ["system", "yahei", "pingfang", "custom"], |
| 41 | "detected cross-platform UI fonts are included", |
| 42 | ); |
| 43 | eq( |
| 44 | getAvailableFontFamilies("yahei", "darwin", noneInstalled), |
| 45 | ["system", "yahei", "pingfang", "custom"], |
| 46 | "current UI font remains visible even when it is not native", |
| 47 | ); |
| 48 | |
| 49 | eq( |
| 50 | getAvailableMonoFontFamilies("system", "darwin", noneInstalled), |
| 51 | ["system", "sfmono", "custom"], |
| 52 | "macOS shows native mono font plus stable choices", |
| 53 | ); |
| 54 | eq( |
| 55 | getAvailableMonoFontFamilies("system", "windows", noneInstalled), |
| 56 | ["system", "cascadia", "custom"], |
| 57 | "Windows shows native mono font plus stable choices", |
| 58 | ); |
| 59 | eq( |
| 60 | getAvailableMonoFontFamilies("system", "linux", hasFont("JetBrains Mono")), |
| 61 | ["system", "jetbrains", "custom"], |
| 62 | "detected mono fonts are included on Linux", |
| 63 | ); |
| 64 | eq( |
| 65 | getAvailableMonoFontFamilies("sfmono", "windows", noneInstalled), |
| 66 | ["system", "cascadia", "sfmono", "custom"], |
| 67 | "current mono font remains visible even when it is not native", |
| 68 | ); |
| 69 | |
| 70 | console.log(`\n${passed} passed, ${failed} failed, ${passed + failed} total`); |
| 71 | if (failed > 0) process.exit(1); |
| 72 |