live gate: default-on queue-gated task/add (<95), fail-closed, cap 3/cycle, banned+dedupe, kill switch (54 tests)

tests/test_live_queue.py

@@ -0,0 +1,55 @@
+import json
+import os
+import unittest
+from unittest.mock import patch, MagicMock
+from src.live_queue import read_queue
+
+
+class TestLiveQueue(unittest.TestCase):
+    def response(self, body):
+        r = MagicMock()
+        r.__enter__.return_value = r
+        r.status = 200
+        r.read.return_value = json.dumps(body).encode()
+        return r
+
+    def test_pagination_and_status(self):
+        pages = [self.response({'code': 0, 'data': {'total': 3, 'records': [
+            {'status': 'waiting', 'modelAddress': 'org/a'}, {'status': 'success', 'verifyResult': -1}]}}),
+            self.response({'code': 0, 'data': {'total': 3, 'records': [{'status': '等待中'}]}})]
+        with patch.dict(os.environ, {'XC_TOKEN': 'synthetic-secret'}, clear=True), patch('urllib.request.urlopen', side_effect=pages) as call:
+            count, why, models = read_queue()
+        self.assertEqual(count, 2)
+        self.assertIn('org/a', models)
+        self.assertIn('current=2', call.call_args.args[0].full_url)
+
+    def test_fail_closed(self):
+        for body in ({'code': 40100}, {'code': 40101}, {'code': 0, 'data': {'total': 1, 'records': []}}, []):
+            with patch.dict(os.environ, {'XC_TOKEN': 'synthetic-secret'}, clear=True), patch('urllib.request.urlopen', return_value=self.response(body)):
+                self.assertIsNone(read_queue()[0])
+        with patch.dict(os.environ, {}, clear=True), patch('urllib.request.urlopen') as call:
+            self.assertIsNone(read_queue()[0])
+            call.assert_not_called()
+
+    def test_page_limit_and_transport(self):
+        with patch.dict(os.environ, {'XC_TOKEN': 'synthetic-secret'}, clear=True):
+            with patch('urllib.request.urlopen', return_value=self.response({'code': 0, 'data': {'total': 21, 'records': [{'status': 'waiting'}]}})) as call:
+                self.assertIsNone(read_queue()[0])
+                self.assertEqual(call.call_count, 20)
+            with patch('urllib.request.urlopen', side_effect=OSError('synthetic-secret')):
+                self.assertNotIn('synthetic-secret', str(read_queue()))
+
+    def test_invalid_json_http_and_auth_header(self):
+        with patch.dict(os.environ, {'XC_TOKEN': 'synthetic-secret'}, clear=True):
+            r = self.response({})
+            r.read.return_value = b'invalid synthetic-secret'
+            with patch('urllib.request.urlopen', return_value=r):
+                self.assertEqual(read_queue()[1], 'malformed_json')
+            r.status = 503
+            with patch('urllib.request.urlopen', return_value=r):
+                self.assertIsNone(read_queue()[0])
+            with patch('urllib.request.urlopen', return_value=self.response({'code': 0, 'data': {'total': 0, 'records': []}})) as call:
+                self.assertEqual(read_queue()[0], 0)
+                req = call.call_args.args[0]
+                self.assertEqual(req.get_header('Xc-token'), 'synthetic-secret')
+                self.assertEqual(req.method, 'GET')