From 1cb1003a1459700cac5d5b9640f4661e6912b0b8 Mon Sep 17 00:00:00 2001
From: Matthew Richards <matthew.richards@stfc.ac.uk>
Date: Tue, 20 Apr 2021 14:17:07 +0000
Subject: [PATCH]  #210: Add leading underscore to instance variables

---
 datagateway_api/common/config.py | 6 +++---
 test/test_config.py              | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/datagateway_api/common/config.py b/datagateway_api/common/config.py
index 6cc96e8d..ce2ef8cf 100644
--- a/datagateway_api/common/config.py
+++ b/datagateway_api/common/config.py
@@ -38,7 +38,7 @@ class Config(object):
     def __init__(self, path=Path(__file__).parent.parent / "config.json"):
         self.path = path
         with open(self.path) as target:
-            self.config = json.load(target)
+            self._config = json.load(target)
 
         self._check_config_items_exist()
 
@@ -91,7 +91,7 @@ def get_config_value(self, config_key):
         :return: Config value of the given key
         """
         try:
-            return self.config[config_key.value]
+            return self._config[config_key.value]
         except KeyError:
             sys.exit(f"Missing config value: {config_key}")
 
@@ -106,7 +106,7 @@ def set_backend_type(self, backend_type):
         type must be fetched. This must be done using this module (rather than directly
         importing and checking the Flask app's config) to avoid circular import issues.
         """
-        self.config["backend"] = backend_type
+        self._config["backend"] = backend_type
 
     def get_icat_properties(self):
         """
diff --git a/test/test_config.py b/test/test_config.py
index c7f03e6e..5bb52764 100644
--- a/test/test_config.py
+++ b/test/test_config.py
@@ -19,7 +19,7 @@ def test_valid_get_config_value(self, test_config):
         assert backend_type == "db"
 
     def test_invalid_get_config_value(self, test_config):
-        del test_config.config["backend"]
+        del test_config._config["backend"]
         with pytest.raises(SystemExit):
             test_config.get_config_value(APIConfigOptions.BACKEND)
 
@@ -36,7 +36,7 @@ def test_valid_config_items_exist(self, backend_type):
             / "datagateway_api"
             / "config.json.example",
         )
-        test_config.config["backend"] = backend_type
+        test_config._config["backend"] = backend_type
 
         # Just want to check no SysExit's, so no assert is needed
         test_config._check_config_items_exist()
@@ -52,7 +52,7 @@ def test_invalid_config_items_exist(self):
     def test_valid_set_backend_type(self, test_config):
         test_config.set_backend_type("backend_name_changed")
 
-        assert test_config.config["backend"] == "backend_name_changed"
+        assert test_config._config["backend"] == "backend_name_changed"
 
     def test_valid_icat_properties(self, test_config):
         example_icat_properties = {