d392be7cb8
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
75 lines
2.8 KiB
TypeScript
75 lines
2.8 KiB
TypeScript
import { BASE_URL, TEST_DIR } from "../helpers.ts";
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import { assertEquals, assertFalse, assertStringIncludes } from "@std/assert";
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import { Application } from "@oak/oak";
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import { routeStaticFilesFrom } from "../../lib/static.ts";
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async function handle(
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app: Application,
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path: string,
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headers: HeadersInit = {},
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) {
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const res = await app.handle(new Request(`${BASE_URL}${path}`, { headers }));
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if (!res) throw new Error("no response");
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return { res, text: await res.text() };
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}
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Deno.test("routeStaticFilesFrom: index, SPA fallback, cache rules, precompressed files", async () => {
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const root = `${TEST_DIR}/static-${crypto.randomUUID()}`;
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await Deno.mkdir(`${root}/assets`, { recursive: true });
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await Deno.writeTextFile(
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`${root}/index.html`,
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`<html><head><title>__SITE_NAME__</title></head><body>__BANDCAMP_PLAYER__</body></html>`,
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);
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const js = "console.log('app');".repeat(50);
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await Deno.writeTextFile(`${root}/assets/app-abc123.js`, js);
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const br = new Uint8Array([1, 2, 3]);
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await Deno.writeFile(`${root}/assets/app-abc123.js.br`, br);
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await Deno.writeTextFile(`${root}/robots.txt`, "User-agent: *");
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const app = new Application();
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app.use(routeStaticFilesFrom([root]));
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const index = await handle(app, "/");
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assertEquals(index.res.headers.get("cache-control"), "no-cache");
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assertEquals(
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index.text,
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"<html><head><title>gerbeur</title></head><body>embed</body></html>",
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);
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const spa = await handle(app, "/users/someone");
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assertEquals(spa.res.status, 200);
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assertEquals(spa.text, index.text);
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// No Accept-Encoding header: the plain file, not the .br sibling.
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const asset = await handle(app, "/assets/app-abc123.js");
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assertEquals(asset.text, js);
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assertEquals(asset.res.headers.get("content-encoding"), null);
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assertStringIncludes(asset.res.headers.get("cache-control")!, "immutable");
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assertStringIncludes(
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asset.res.headers.get("cache-control")!,
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"max-age=31536000",
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);
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assertStringIncludes(asset.res.headers.get("vary")!, "Accept-Encoding");
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const compressed = await handle(app, "/assets/app-abc123.js", {
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"Accept-Encoding": "br, gzip",
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});
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assertEquals(compressed.res.headers.get("content-encoding"), "br");
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assertEquals(compressed.text, "\x01\x02\x03"); // the .br file's bytes
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const plain = await handle(app, "/robots.txt");
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assertEquals(plain.text, "User-agent: *");
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assertFalse(
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(plain.res.headers.get("cache-control") ?? "").includes("immutable"),
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);
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// A chunk from an older build 404s rather than being answered with the index.
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const stale = await handle(app, "/assets/app-old999.js");
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assertEquals(stale.res.status, 404);
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assertFalse(stale.text.includes("<html>"));
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assertEquals(
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(await handle(app, "/emojibase/17.0.0/missing.json")).res.status,
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404,
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);
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});
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