Fixed test_create_file_when_file_permission_is_too_long by passing in correct permission str

Author: zezha-msft

azure-storage-file/azure/storage/file/_serialization.py

@@ -77,7 +77,8 @@ def _validate_and_return_file_permission(file_permission, file_permission_key, d
     # value as file permission, file_permission size should be <= 8KB, else file permission_key should be used
     empty_file_permission = file_permission is None or len(file_permission) == 0
     empty_file_permission_key = file_permission_key is None or len(file_permission_key) == 0
-    file_permission_size_too_big = False if file_permission is None else len(file_permission.encode('utf-8')) > 8 * 1024
+    file_permission_size_too_big = False if file_permission is None \
+        else len(str(file_permission).encode('utf-8')) > 8 * 1024
 
     if file_permission_size_too_big:
         raise ValueError(_FILE_PERMISSION_TOO_LONG)

tests/file/test_file.py

@@ -208,7 +208,7 @@ def test_create_file(self):
 
     def test_create_file_when_file_permission_is_too_long(self):
         file_name = self._get_file_reference()
-        permission = self.get_random_bytes(9 * 1024)
+        permission = str(self.get_random_bytes(8 * 1024 + 1))
         with self.assertRaises(ValueError):
             self.fs.create_file(self.share_name, None, file_name, 1024, file_permission=permission)
 
@@ -224,7 +224,6 @@ def test_create_file_with_invalid_file_permission(self):
     def test_create_file_will_set_all_smb_properties(self):
         # Arrange
         file_name = self._get_file_reference()
-        data = b'abc'
 
         # Act
         self.fs.create_file(self.share_name, None, file_name, 1024)