refactor(favsort): send bilibili requests through httpx

Reuse a pooled httpx client for favsort GET and POST requests, share the raw-request-derived browser headers, and add folder-specific referers for ids, infos and sort. Add transport tests for header parity and anonymous-to-authenticated fallback.

tests/test_favsort_http.py

@@ -0,0 +1,91 @@
+# -*- coding: utf-8 -*-
+"""favsort HTTP 层测试（httpx MockTransport，不联网）:
+uv run python tests/test_favsort_http.py
+"""
+
+import os
+import sys
+
+import httpx
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+sys.stdout.reconfigure(encoding="utf-8")
+
+import favsort  # noqa: E402
+
+
+def with_client(handler):
+    client = httpx.Client(transport=httpx.MockTransport(handler))
+    original = favsort._HTTP_CLIENT
+    favsort._HTTP_CLIENT = client
+    return client, original
+
+
+def test_get_json_and_post_form_headers():
+    calls = []
+
+    def handler(request):
+        calls.append(request)
+        return httpx.Response(200, json={"code": 0, "data": []})
+
+    client, original = with_client(handler)
+    try:
+        cfg = {"cookie": "SESSDATA=x; buvid3=y"}
+        assert favsort.get_json(
+            cfg, "https://api.bilibili.com/x/test", auth=False
+        ) == {"code": 0, "data": []}
+        first = calls[0]
+        assert first.headers["origin"] == "https://space.bilibili.com"
+        assert first.headers["priority"] == "u=1, i"
+        assert "Chrome/155.0.0.0" in first.headers["user-agent"]
+        assert "SESSDATA" not in first.headers["cookie"]
+        assert "buvid3=y" in first.headers["cookie"]
+
+        favsort.post_form(
+            cfg,
+            "https://api.bilibili.com/x/v3/fav/resource/sort",
+            {"a": "b"},
+            referer="https://space.bilibili.com/1/favlist?fid=2",
+        )
+        post = calls[1]
+        assert post.method == "POST"
+        assert post.headers["content-type"] == "application/x-www-form-urlencoded"
+        assert post.headers["referer"] == "https://space.bilibili.com/1/favlist?fid=2"
+        assert post.content == b"a=b"
+        assert "SESSDATA=x" in post.headers["cookie"]
+    finally:
+        favsort._HTTP_CLIENT = original
+        client.close()
+
+
+def test_anonymous_failure_falls_back_to_full_cookie():
+    calls = []
+
+    def handler(request):
+        calls.append(request)
+        if len(calls) == 1:
+            return httpx.Response(200, json={"code": -101, "message": "未登录"})
+        return httpx.Response(200, json={"code": 0, "data": []})
+
+    client, original = with_client(handler)
+    try:
+        cfg = {"cookie": "SESSDATA=x; buvid3=y"}
+        assert favsort.get_json(cfg, "https://api.bilibili.com/x/test") == {
+            "code": 0, "data": [],
+        }
+        assert len(calls) == 2
+        assert "SESSDATA" not in calls[0].headers["cookie"]
+        assert "SESSDATA=x" in calls[1].headers["cookie"]
+    finally:
+        favsort._HTTP_CLIENT = original
+        client.close()
+
+
+def main():
+    test_get_json_and_post_form_headers()
+    test_anonymous_failure_falls_back_to_full_cookie()
+    print("OK: favsort httpx 请求头与匿名回退测试全部通过")
+
+
+if __name__ == "__main__":
+    main()

tests/test_favsort_run.py

@@ -74,7 +74,9 @@ def test_sort_preserves_resource_types():
             return [{"id": aid} for aid in order]
 
         favsort.fetch_ids = fetch_ids
-        favsort.post_form = lambda cfg, url, body: bodies.append(body) or {"code": 0}
+        favsort.post_form = (
+            lambda cfg, url, body, referer=None: bodies.append(body) or {"code": 0}
+        )
         args = Args()
         try:
             code = favsort.cmd_run(config(), args)