Under JSON Create containing directory for config file.

Using '~/.config/$(APPNAME)/..' is a pretty common on linux
but using it here will fail if the directory isn't manually created.

This fixes that by auto creating the directory.

nativeconfig/configs/json_config.py

@@ -20,6 +20,7 @@ class JSONConfig(BaseConfig):
     JSON_PATH = None
 
     def __init__(self):
+        Path(self.JSON_PATH).parent.mkdir(parents= True, exist_ok = True)
         if not Path(self.JSON_PATH).is_file():
             with open(self.JSON_PATH, 'w+', encoding='utf-8') as f:
                 f.write(json.dumps({}))

test/configs/test_json_config.py

@@ -1,6 +1,7 @@
 import collections
 import json
 import os
+import shutil
 import tempfile
 import unittest
 import unittest.mock
@@ -25,6 +26,8 @@ def setUp(self):
 
     def tearDown(self):
         try:
+            shutil.rmtree(self.CONFIG_TYPE.JSON_PATH)
+        except NotADirectoryError:
             os.unlink(self.CONFIG_TYPE.JSON_PATH)
         except FileNotFoundError:
             pass
@@ -63,6 +66,14 @@ class MyConfig(self.CONFIG_TYPE):
         MyConfig.get_instance()
         self.assertEqual(os.path.isfile(MyConfig.JSON_PATH), True)
 
+    def test_config_is_created_if_not_found__and_app_directory_need_creating(self):
+        class MyConfig(self.CONFIG_TYPE):
+            JSON_PATH = os.path.join(self.CONFIG_TYPE.JSON_PATH,'_cfgtmp.json')
+            first_name = StringOption('FirstName', default='Ilya')
+        self.assertEqual(os.path.isfile(MyConfig.JSON_PATH), False)
+        MyConfig.get_instance()
+        self.assertEqual(os.path.isfile(MyConfig.JSON_PATH), True)
+
     def test_order_is_preserved_in_json(self):
         class MyConfig(self.CONFIG_TYPE):
             second_name = StringOption('SecondName', default='Kulakov')