feat(provider): 新增 OpenRouter 平台适配器 - GET /api/v1/credits，Bearer 认证 - 余额 = data.total_credits - data.total_usage（剩余可用） - 重启后自动同步为平台记录

tests/test_providers.py

@@ -5,6 +5,7 @@ import pytest
 from app.expr import ExprError
 from app.providers import get_provider, list_providers
 from app.providers.deepseek import DeepSeekProvider
+from app.providers.openrouter import OpenRouterProvider
 
 DEEPSEEK_RESPONSE = {
     "is_available": True,
@@ -36,10 +37,31 @@ class TestDeepSeek:
             DeepSeekProvider().extract_balance({"is_available": False})
 
 
+class TestOpenRouter:
+    def test_build_request(self):
+        prov = OpenRouterProvider()
+        url, headers, body = prov.build_request("sk-or-1")
+        assert url == "https://openrouter.ai/api/v1/credits"
+        assert headers["Authorization"] == "Bearer sk-or-1"
+        assert body is None
+
+    def test_extract_balance_remaining(self):
+        resp = {"data": {"total_credits": 100.5, "total_usage": 25.75}}
+        assert OpenRouterProvider().extract_balance(resp) == 74.75
+
+    def test_extract_zero_usage(self):
+        resp = {"data": {"total_credits": 10.0, "total_usage": 0}}
+        assert OpenRouterProvider().extract_balance(resp) == 10.0
+
+    def test_extract_missing(self):
+        with pytest.raises(ExprError):
+            OpenRouterProvider().extract_balance({"data": {}})
+
+
 class TestRegistry:
     def test_get_provider(self):
-        prov = get_provider("deepseek")
-        assert isinstance(prov, DeepSeekProvider)
+        assert isinstance(get_provider("deepseek"), DeepSeekProvider)
+        assert isinstance(get_provider("openrouter"), OpenRouterProvider)
 
     def test_unknown_provider_none(self):
         assert get_provider("nope") is None
@@ -47,6 +69,8 @@ class TestRegistry:
     def test_list_providers(self):
         provs = list_providers()
         ids = [p["id"] for p in provs]
-        assert "deepseek" in ids
+        assert "deepseek" in ids and "openrouter" in ids
         dp = next(p for p in provs if p["id"] == "deepseek")
         assert dp["name"] == "DeepSeek" and dp["currency"] == "CNY" and dp["icon"] == "DeepSeek"
+        orp = next(p for p in provs if p["id"] == "openrouter")
+        assert orp["currency"] == "USD" and orp["icon"] == "OpenRouter"