chore: import upstream snapshot with attribution

2026-07-13 13:39:12 +08:00
commit d8dcd5f6d1
8604 changed files with 2479390 additions and 0 deletions
@@ -0,0 +1,42 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+
+import {
+  clearProxyFallbackCache,
+  findWorkingProxy,
+  __setProxyFallbackTestHooks,
+} from "../../open-sse/utils/proxyFallback.ts";
+
+test.afterEach(() => {
+  __setProxyFallbackTestHooks(null);
+  clearProxyFallbackCache();
+});
+
+test("proxy fallback negative cache is scoped by target URL, not only hostname", async () => {
+  const proxyUrl = "http://127.0.0.1:18080";
+  const probes: string[] = [];
+
+  __setProxyFallbackTestHooks({
+    getProxyCandidates: async () => [proxyUrl],
+    testSingleProxy: async (_proxyUrl, targetUrl) => {
+      probes.push(targetUrl);
+      return {
+        ok: targetUrl.endsWith("/v1/chat/completions"),
+        latencyMs: targetUrl.endsWith("/v1/chat/completions") ? 12 : null,
+      };
+    },
+  });
+
+  assert.equal(
+    await findWorkingProxy("api.example.test", "https://api.example.test/v1/models"),
+    null
+  );
+  assert.equal(
+    await findWorkingProxy("api.example.test", "https://api.example.test/v1/chat/completions"),
+    proxyUrl
+  );
+  assert.deepEqual(probes, [
+    "https://api.example.test/v1/models",
+    "https://api.example.test/v1/chat/completions",
+  ]);
+});