test(tokenizer): add golden-file regression corpus with 11 fixtures (#157)

scripts/yomitan-api-request.test.ts

@@ -0,0 +1,69 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { fetchYomitanApi } from './yomitan-api-request.js';
+
+function createStalledServer(): ReturnType<typeof Bun.serve> {
+  return Bun.serve({
+    hostname: '127.0.0.1',
+    port: 0,
+    fetch: () => new Promise<Response>(() => {}),
+  });
+}
+
+test('fetchYomitanApi reports a clear timeout when the bridge stalls', async () => {
+  const server = createStalledServer();
+
+  try {
+    await assert.rejects(
+      () => fetchYomitanApi(`${server.url}tokenize`, { method: 'POST' }, 20),
+      /Yomitan API request timed out after 20ms/,
+    );
+  } finally {
+    server.stop(true);
+  }
+});
+
+test('fetchYomitanApi preserves an init cancellation signal', async () => {
+  const server = createStalledServer();
+  const controller = new AbortController();
+  const reason = new Error('cancelled by caller');
+
+  try {
+    const request = fetchYomitanApi(`${server.url}tokenize`, { signal: controller.signal }, 50);
+    controller.abort(reason);
+    await assert.rejects(request, (error) => error === reason);
+  } finally {
+    server.stop(true);
+  }
+});
+
+test('fetchYomitanApi preserves a Request input cancellation signal', async () => {
+  const server = createStalledServer();
+  const controller = new AbortController();
+  const reason = new Error('cancelled by request');
+  const input = new Request(`${server.url}tokenize`, { signal: controller.signal });
+
+  try {
+    const request = fetchYomitanApi(input, undefined, 50);
+    controller.abort(reason);
+    await assert.rejects(request, (error) => error === reason);
+  } finally {
+    server.stop(true);
+  }
+});
+
+test('fetchYomitanApi accepts a null init cancellation signal', async () => {
+  const server = Bun.serve({
+    hostname: '127.0.0.1',
+    port: 0,
+    fetch: () => new Response('ok'),
+  });
+
+  try {
+    const response = await fetchYomitanApi(`${server.url}tokenize`, { signal: null }, 50);
+    assert.equal(response.status, 200);
+  } finally {
+    server.stop(true);
+  }
+});