test(app): metrics_enabled setings checks

ref:#469 fixes #470 closes #156

app/app/tests/unit/test_settings.py

@@ -1,12 +1,13 @@
+import pytest
+
 from django.conf import settings as django_settings
 from django.shortcuts import reverse
 from django.test import TestCase, Client
 
 from app import settings
 
 
-import pytest
-import unittest
+
 
 
 class SettingsDefault(TestCase):
@@ -22,20 +23,68 @@ def test_setting_default_debug_off(self):
         assert not settings.DEBUG
 
 
+    def test_setting_default_debug_off_type(self):
+        """ Settings attribute type check
+
+        setting `DEBUG` must be of type bool
+        """
+
+        assert type(settings.DEBUG) is bool
+
+
+
     def test_setting_default_login_required(self):
         """ By default login should be required
         """
 
         assert settings.LOGIN_REQUIRED
 
 
+    def test_setting_default_login_required_type(self):
+        """ Settings attribute type check
+
+        setting `LOGIN_REQUIRED` must be of type bool
+        """
+
+        assert type(settings.LOGIN_REQUIRED) is bool
+
+
+
+    def test_setting_default_metrics_off(self):
+        """ Ensure that metrics is off within settings by default
+
+            Metrics is only required when user turns it on
+        """
+
+        assert not settings.METRICS_ENABLED
+
+
+    def test_setting_default_metrics_off_type(self):
+        """ Settings attribute type check
+
+        setting `METRICS_ENABLED` must be of type bool
+        """
+
+        assert type(settings.METRICS_ENABLED) is bool
+
+
+
     def test_setting_default_use_tz(self):
         """ Ensure that 'USE_TZ = True' is within settings
         """
 
         assert settings.USE_TZ
 
 
+    def test_setting_default_use_tz_type(self):
+        """ Settings attribute type check
+
+        setting `USE_TZ` must be of type bool
+        """
+
+        assert type(settings.USE_TZ) is bool
+
+
 
 class SettingsValues(TestCase):
     """ Test Each setting that offers different functionality """
@@ -64,3 +113,58 @@ def test_setting_value_login_required_not(self):
         response = client.get(url)
 
         assert response.status_code == 200
+
+
+
+    def test_setting_value_metrics_off_middleware(self):
+        """ Metrics off check
+
+        when metrics are off, its middleware must not exist in settings
+        """
+
+        assert (
+            'django_prometheus.middleware.PrometheusBeforeMiddleware' not in settings.MIDDLEWARE
+                and
+            'django_prometheus.middleware.PrometheusAfterMiddleware' not in settings.MIDDLEWARE
+            )
+
+
+
+    def test_setting_value_metrics_off_installed_apps(self):
+        """  Metrics off check
+
+        when metrics are off, it should not be installed.
+        """
+
+        assert 'django_prometheus' not in settings.INSTALLED_APPS
+
+
+    @pytest.mark.skip( reason = 'figure out how to test' )
+    def test_setting_value_metrics_on_middleware(self):
+        """ Metrics off check
+
+        logic in settings adjusts middleware when `METRICS_ENABLED=True`
+
+        when metrics are off, its middleware must not exist in settings
+        """
+
+        assert (
+            'django_prometheus.middleware.PrometheusBeforeMiddleware' in settings.MIDDLEWARE
+                and
+            'django_prometheus.middleware.PrometheusAfterMiddleware' in settings.MIDDLEWARE
+            )
+
+
+
+    @pytest.mark.skip( reason = 'figure out how to test' )
+    def test_setting_value_metrics_on_installed_apps(self):
+        """  Metrics off check
+
+        logic in settings adjusts installed apps when `METRICS_ENABLED=True`
+
+        when metrics are off, it should not be installed.
+        """
+
+        settings.METRICS_ENABLED = True
+
+        assert 'django_prometheus' in settings.INSTALLED_APPS