feat(proxy): rewrite the meta module to support hot spares

tests/proxy/test_proxy_automation.py

@@ -1,7 +1,11 @@
 import unittest
 from unittest.mock import MagicMock, patch
-from app.terraform.proxy import ProxyAutomation, update_smart_proxy_instance
+
+import pytest
+
 from app import app
+from app.terraform.proxy import update_smart_proxy_instance
+from app.terraform.proxy.meta import random_slug, next_subgroup, Proxy
 
 
 class TestUpdateSmartProxyInstance(unittest.TestCase):
@@ -40,17 +44,35 @@ class TestUpdateSmartProxyInstance(unittest.TestCase):
         self.assertEqual(mock_instance.instance_id, self.instance_id)
 
 
-class TestProxyAutomation(unittest.TestCase):
-    def setUp(self):
-        app.config['TESTING'] = True
-        self.app = app.test_client()
-
-    def test_proxy_automation_abstract_methods(self):
-        # Test NotImplementedError for import_state
-        with self.assertRaises(NotImplementedError):
-            proxy_automation = ProxyAutomation()
-            proxy_automation.import_state(None)
+@pytest.fixture
+def active_proxies():
+    proxies = [MagicMock(spec=Proxy) for _ in range(5)]
+    for proxy in proxies:
+        proxy.deprecated = None
+        proxy.destroyed = None
+    return proxies
 
 
-if __name__ == '__main__':
-    unittest.main()
+def test_random_slug():
+    slug = random_slug("example.com")
+    assert slug[:5] == "examp"
+    assert len(slug) == 17
+
+
+def test_next_subgroup():
+    subgroup_count = {
+        'provider1': {
+            1: {
+                1: 3
+            },
+            2: {
+                1: 2,
+                2: 5
+            },
+            3: {}
+        }
+    }
+    assert next_subgroup(subgroup_count, 'provider1', 1, 3, 5) == 1
+    assert next_subgroup(subgroup_count, 'provider1', 1, 5, 3) == 2
+    assert next_subgroup(subgroup_count, 'provider1', 2, 3, 2) == 3
+    assert next_subgroup(subgroup_count, 'provider1', 3, 3, 5) == 1