test: add tests for HTTP anonymity checker

tests/plugins/test_http_anonymity_checker.py

@@ -0,0 +1,55 @@
+from datetime import datetime
+
+import pytest
+
+from proxy_pool.plugins.builtin.checkers.http_anonymity import HttpAnonymityChecker
+from proxy_pool.plugins.protocols import CheckContext
+
+
+@pytest.fixture
+def checker():
+    return HttpAnonymityChecker(
+        judge_url="http://httpbin.org/ip",
+        timeout=10.0,
+    )
+
+
+@pytest.fixture
+def context():
+    return CheckContext(
+        started_at=datetime.now(),
+        http_client=None,
+        tcp_latency_ms=50.0,
+    )
+
+
+class TestHttpAnonymityChecker:
+    def test_stage_and_priority(self, checker):
+        assert checker.stage == 2
+        assert checker.priority == 0
+
+    def test_does_not_skip_any_protocol(self, checker):
+        assert checker.should_skip("http") is False
+        assert checker.should_skip("https") is False
+        assert checker.should_skip("socks4") is False
+        assert checker.should_skip("socks5") is False
+
+    async def test_fails_on_unreachable_proxy(self, checker, context):
+        result = await checker.check(
+            proxy_ip="192.0.2.1",
+            proxy_port=1,
+            proxy_protocol="http",
+            context=context,
+        )
+
+        assert result.passed is False
+
+    async def test_fails_on_invalid_socks_proxy(self, checker, context):
+        result = await checker.check(
+            proxy_ip="192.0.2.1",
+            proxy_port=1,
+            proxy_protocol="socks5",
+            context=context,
+        )
+
+        assert result.passed is False