import test from "node:test";
import assert from "node:assert/strict";
const { isCloudflareChallenge, looksLikeSse, TlsClientUnavailableError } =
await import("../../open-sse/services/perplexityTlsClient.ts");
// Regression for #2459: a Cloudflare 403 challenge page must be distinguishable from a
// genuine auth failure so the executor/validator can surface an actionable error.
test("#2459 isCloudflareChallenge detects 'Just a moment' interstitial", () => {
assert.equal(isCloudflareChallenge("Just a moment..."), true);
});
test("#2459 isCloudflareChallenge detects window._cf_chl_opt", () => {
assert.equal(isCloudflareChallenge(""), true);
});
test("#2459 isCloudflareChallenge detects challenges.cloudflare.com", () => {
assert.equal(isCloudflareChallenge('src="https://challenges.cloudflare.com/turnstile"'), true);
});
test("#2459 isCloudflareChallenge returns false for normal JSON / SSE / empty", () => {
assert.equal(isCloudflareChallenge('{"status":"ok"}'), false);
assert.equal(isCloudflareChallenge('data: {"text":"hi"}\n\n'), false);
assert.equal(isCloudflareChallenge(""), false);
assert.equal(isCloudflareChallenge(null), false);
assert.equal(isCloudflareChallenge(undefined), false);
});
test("#2459 looksLikeSse positive for data/event markers, negative for HTML", () => {
assert.equal(looksLikeSse("data: {}\n\n"), true);
assert.equal(looksLikeSse("event: message\n"), true);
assert.equal(looksLikeSse(": comment"), true);
assert.equal(looksLikeSse("Just a moment"), false);
assert.equal(looksLikeSse('{"json":true}'), false);
});
test("#2459 TlsClientUnavailableError has the expected name", () => {
const err = new TlsClientUnavailableError("native binary missing");
assert.equal(err.name, "TlsClientUnavailableError");
assert.ok(err instanceof Error);
});