Proyecto LCX Dispatcharr multicuenta

tests/test_wait_for_redis.py

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+import sys
+import os
+import importlib
+from django.test import SimpleTestCase
+from unittest.mock import patch, MagicMock
+
+import redis as redis_module
+
+# Ensure the scripts directory is importable
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'scripts'))
+
+
+def _import_wait_for_redis():
+    """Import (or reimport) the wait_for_redis function from scripts/."""
+    import wait_for_redis as module
+    importlib.reload(module)
+    return module.wait_for_redis
+
+
+class WaitForRedisTests(SimpleTestCase):
+    """
+    Tests for scripts/wait_for_redis.py.
+
+    Verifies flush behaviour: full flushdb in AIO mode, selective
+    (non-Celery) key deletion in modular mode.
+    """
+
+    @patch('wait_for_redis.redis.Redis')
+    def test_aio_mode_calls_flushdb(self, mock_redis_cls):
+        """In AIO mode (default), flushdb is called after successful ping."""
+        mock_client = MagicMock()
+        mock_client.ping.return_value = True
+        mock_redis_cls.return_value = mock_client
+
+        with patch.dict(os.environ, {}, clear=False):
+            os.environ.pop('DISPATCHARR_ENV', None)
+            wait_for_redis = _import_wait_for_redis()
+            result = wait_for_redis(max_retries=1, retry_interval=0)
+
+        self.assertTrue(result)
+        mock_client.flushdb.assert_called_once()
+
+    @patch('wait_for_redis.redis.Redis')
+    def test_modular_mode_does_not_call_flushdb(self, mock_redis_cls):
+        """In modular mode, flushdb must NOT be called — selective flush instead."""
+        mock_client = MagicMock()
+        mock_client.ping.return_value = True
+        mock_redis_cls.return_value = mock_client
+
+        with patch.dict(os.environ, {'DISPATCHARR_ENV': 'modular'}):
+            wait_for_redis = _import_wait_for_redis()
+            # Patch after reload so the mock isn't overwritten by module re-execution
+            with patch('wait_for_redis._flush_non_celery_keys') as mock_selective:
+                result = wait_for_redis(max_retries=1, retry_interval=0)
+
+        self.assertTrue(result)
+        mock_client.flushdb.assert_not_called()
+        mock_selective.assert_called_once_with(mock_client)
+
+    @patch('wait_for_redis.redis.Redis')
+    def test_retries_on_connection_error(self, mock_redis_cls):
+        """Should retry on ConnectionError and eventually succeed."""
+        mock_client = MagicMock()
+        mock_client.ping.side_effect = [
+            redis_module.exceptions.ConnectionError("refused"),
+            redis_module.exceptions.ConnectionError("refused"),
+            True,
+        ]
+        mock_redis_cls.return_value = mock_client
+
+        wait_for_redis = _import_wait_for_redis()
+        result = wait_for_redis(max_retries=5, retry_interval=0)
+
+        self.assertTrue(result)
+        self.assertEqual(mock_client.ping.call_count, 3)
+
+    @patch('wait_for_redis.redis.Redis')
+    def test_returns_false_after_max_retries(self, mock_redis_cls):
+        """Should return False when max retries are exhausted."""
+        mock_client = MagicMock()
+        mock_client.ping.side_effect = redis_module.exceptions.ConnectionError("refused")
+        mock_redis_cls.return_value = mock_client
+
+        wait_for_redis = _import_wait_for_redis()
+        result = wait_for_redis(max_retries=2, retry_interval=0)
+
+        self.assertFalse(result)
+
+    @patch('wait_for_redis.redis.Redis')
+    def test_unexpected_error_returns_false(self, mock_redis_cls):
+        """Generic exceptions should return False immediately."""
+        mock_client = MagicMock()
+        mock_client.ping.side_effect = RuntimeError("unexpected")
+        mock_redis_cls.return_value = mock_client
+
+        wait_for_redis = _import_wait_for_redis()
+        result = wait_for_redis(max_retries=5, retry_interval=0)
+
+        self.assertFalse(result)