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test(core): isolate local font fallback from system discovery (#5360)

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This commit is contained in:
Abdullah M. Nazif
2026-10-24 04:11:27 +00:00
committed by GitHub
parent 0aa728b1aa
commit 14c9eb4487
1 changed files with 20 additions and 10 deletions
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packages/core/src/fonts/deterministicFonts-googleSubsets.test.ts
+20 -10
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@@ -20,37 +20,43 @@
* so they are hermetic.
*/
import { afterAll, beforeAll, beforeEach, describe, expect, it } from "vitest";
import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { homedir, tmpdir } from "node:os";
import { afterAll, afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import {
_clearGoogleFontCssCacheForTests,
injectDeterministicFontFaces,
} from "./deterministicFonts.js";
import { fontDirectories } from "./systemFontLocator.js";
import * as systemFontLocator from "./systemFontLocator.js";
beforeEach(() => _clearGoogleFontCssCacheForTests());
beforeEach(() => {
_clearGoogleFontCssCacheForTests();
vi.spyOn(systemFontLocator, "locateSystemFontVariants").mockImplementation((family) =>
family === "Hf Authored Fail Test"
? [{ path: localFontFile, format: "woff2", weight: "400", style: "normal" }]
: [],
);
});
afterEach(() => vi.restoreAllMocks());
let cacheDir: string;
let prevCacheEnv: string | undefined;
const LOCAL_FONT_DIR = fontDirectories().find((dir) => dir.startsWith(homedir()))!;
const LOCAL_FONT_FILE = join(LOCAL_FONT_DIR, "hf-authored-fail-test.woff2");
let localFontFile: string;
const LOCAL_FONT_BYTES = "LOCAL_ONLY_BYTES";
beforeAll(() => {
prevCacheEnv = process.env.HYPERFRAMES_FONT_CACHE_DIR;
cacheDir = mkdtempSync(join(tmpdir(), "hf-font-cache-"));
process.env.HYPERFRAMES_FONT_CACHE_DIR = cacheDir;
mkdirSync(LOCAL_FONT_DIR, { recursive: true });
writeFileSync(LOCAL_FONT_FILE, LOCAL_FONT_BYTES);
localFontFile = join(cacheDir, "hf-authored-fail-test.woff2");
writeFileSync(localFontFile, LOCAL_FONT_BYTES);
});
afterAll(() => {
if (prevCacheEnv === undefined) delete process.env.HYPERFRAMES_FONT_CACHE_DIR;
else process.env.HYPERFRAMES_FONT_CACHE_DIR = prevCacheEnv;
rmSync(cacheDir, { recursive: true, force: true });
rmSync(LOCAL_FONT_FILE, { force: true });
});
const VIET_RANGE = "U+0102-0103, U+1EA0-1EF9, U+20AB";
@@ -599,6 +605,7 @@ describe("authored Google font stylesheet", () => {
expect(urls.some((url) => url.includes("ital,wght@"))).toBe(true);
expect(result).not.toContain(b64(LOCAL_FONT_BYTES));
expect(systemFontLocator.locateSystemFontVariants).not.toHaveBeenCalled();
});
it("still embeds a local file when the page has no Google link", async () => {
@@ -609,5 +616,8 @@ describe("authored Google font stylesheet", () => {
);
expect(result).toContain(b64(LOCAL_FONT_BYTES));
expect(systemFontLocator.locateSystemFontVariants).toHaveBeenCalledWith(
"Hf Authored Fail Test",
);
});
});