test: qualify immutable models and Phase 9 regression

docs/redesign/phase-9/p9-sec-02/model/test_cleanup.py

@@ -0,0 +1,39 @@
+import subprocess
+import unittest
+from unittest.mock import patch
+from cleanup import container_absent
+
+
+class PositiveCleanupEvidence(unittest.TestCase):
+    def query(self, absent, available):
+        def run(args, **options):
+            if not available: return subprocess.CompletedProcess(args,1,'','daemon unavailable')
+            if 'inspect' in args: return subprocess.CompletedProcess(args,1 if absent else 0,'','no such object' if absent else '')
+            return subprocess.CompletedProcess(args,0,'' if absent else '0123456789abcdef\n','')
+        return run
+
+    def test_successful_daemon_query_proves_absence(self):
+        with patch('cleanup.subprocess.run',side_effect=self.query(True,True)):
+            self.assertTrue(container_absent('jt-sec02-owned'))
+
+    def test_present_container_is_not_removed(self):
+        with patch('cleanup.subprocess.run',side_effect=self.query(False,True)):
+            self.assertFalse(container_absent('jt-sec02-owned'))
+
+    def test_daemon_failure_cannot_certify_cleanup(self):
+        with patch('cleanup.subprocess.run',side_effect=self.query(True,False)):
+            with self.assertRaises(RuntimeError): container_absent('jt-sec02-owned')
+
+    def test_timeout_is_unknown_and_calls_are_bounded(self):
+        with patch('cleanup.subprocess.run',side_effect=subprocess.TimeoutExpired('docker',5)) as query:
+            with self.assertRaises(RuntimeError): container_absent('jt-sec02-owned')
+            self.assertEqual(query.call_args.kwargs['timeout'],5)
+
+    def test_exact_owned_name_filter_is_used(self):
+        with patch('cleanup.subprocess.run',side_effect=self.query(True,True)) as query:
+            self.assertTrue(container_absent('jt-sec02-owned'))
+            self.assertIn('name=^/jt-sec02-owned$',query.call_args.args[0])
+            self.assertNotIn('inspect',query.call_args.args[0])
+
+
+if __name__=='__main__':unittest.main()