software/caddy-frontend: Add test for services auto-restart.

software/caddy-frontend/test/test.py

@@ -3410,3 +3410,55 @@ class TestDuplicateSiteKeyProtection(SlaveHttpFrontendTestCase, TestDataMixin):
         '\'duplicate.example.com\' clashes"]'
       }
     )
+
+class AutoRestartTestCase(SlaveHttpFrontendTestCase):
+  @classmethod
+  def getInstanceParameterDict(cls):
+    return {
+      '-frontend-1-state': 'stopped',
+    }
+
+  @classmethod
+  def getSlaveParameterDictDict(cls):
+    return {
+      'test': {
+        'url': cls.backend_url,
+      },
+    }
+
+  @staticmethod
+  def generateHashFromFiles(file_list):
+    import hashlib
+    hasher = hashlib.md5()
+    for path in file_list:
+      with open(path, 'r') as afile:
+        buf = afile.read()
+      hasher.update("%s\n" % len(buf))
+      hasher.update(buf)
+    hash = hasher.hexdigest()
+    return hash
+
+  def test_hashes(self):
+    hash_files = [
+      'software_release/buildout.cfg',
+    ]
+    expected_process_names = [
+      'frontend_caddy-{hash}-on-watch',
+      'frontend_nginx-{hash}-on-watch',
+      'trafficserver-{hash}-on-watch',
+      'certificate_authority-{hash}-on-watch',
+      'crond-{hash}',
+    ]
+
+    supervisor = self.getSupervisorRPCServer().supervisor
+    process_names = [process['name']
+                     for process in supervisor.getAllProcessInfo()]
+
+    hash_files = [os.path.join(self.computer_partition_root_path, path)
+                  for path in hash_files]
+
+    for name in expected_process_names:
+      h = self.generateHashFromFiles(hash_files)
+      expected_process_name = name.format(hash=h)
+
+      self.assertIn(expected_process_name, process_names)