"""SearXNG provider: engines are pinned, not left to the default
general category (2026-10-30: default took 20s in a Docker task,
pinned bing,360search took 0.47s via the same egress proxy)."""

import json
import os
import sys
import unittest

sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", ".."))
from cloud.websearch import _provider_searxng  # noqa: E402


class _FakeHttp:
    def __init__(self):
        self.urls = []

    def get(self, url, headers=None):
        self.urls.append(url)
        body = json.dumps({"results": [
            {"title": "Beijing weather", "url": "https://example.test/w",
             "content": "sunny"}]}).encode("utf-8")
        return 200, body, "application/json"


class TestSearXNGEngines(unittest.TestCase):
    def test_default_pins_bing_360search(self):
        http = _FakeHttp()
        results, _ = _provider_searxng(
            "Beijing weather", 3, {"SEARXNG_URL": "http://searx.test"},
            http)
        self.assertEqual(len(results), 1)
        self.assertIn("engines=bing%2C360search", http.urls[0])

    def test_env_overrides_pin(self):
        http = _FakeHttp()
        _provider_searxng(
            "q", 3, {"SEARXNG_URL": "http://searx.test",
                     "SEARXNG_ENGINES": "bing"}, http)
        self.assertIn("engines=bing", http.urls[0])
        self.assertNotIn("360search", http.urls[0])

    def test_empty_env_restores_unpinned(self):
        http = _FakeHttp()
        _provider_searxng(
            "q", 3, {"SEARXNG_URL": "http://searx.test",
                     "SEARXNG_ENGINES": ""}, http)
        self.assertNotIn("engines=", http.urls[0])


if __name__ == "__main__":
    unittest.main()