Add test

app_enabler/enable.py

@@ -8,6 +8,7 @@
 import django.conf
 
 from .django import get_settings_path, get_urlconf_path, load_addon
+from .errors import messages
 from .patcher import setup_django, update_setting, update_urlconf
 
 
@@ -100,6 +101,8 @@ def apply_configuration(application_config: Dict[str, Any]):
     update_urlconf(urlconf_file, application_config)
     if verify_installation(django.conf.settings, application_config):
         output_message(application_config.get("message", ""))
+    else:
+        output_message(messages["verify_error"].format(package=application_config.get("package-name")))
 
 
 def enable_application(application: str, verbose: bool = False):

app_enabler/errors.py

@@ -2,4 +2,5 @@
     "no_managepy": "app-enabler must be executed in the same directory as the project manage.py file",
     "install_error": "Package {package} not installable in the current virtualenv",
     "enable_error": "Package {package} not installed in the current virtualenv",
+    "verify_error": "Error verifying {package} configuration",
 }

tests/test_enable.py

@@ -6,6 +6,7 @@
 from unittest.mock import patch
 
 from app_enabler.enable import _verify_settings, _verify_urlconf, apply_configuration_set, enable_application
+from app_enabler.errors import messages
 from tests.utils import working_directory
 
 
@@ -53,6 +54,22 @@ def test_enable_minimal(capsys, pytester, project_dir, addon_config_minimal, tea
         assert _verify_urlconf(imported, addon_config_minimal)
 
 
+def test_verify_fail(capsys, pytester, project_dir, addon_config_minimal, blog_package, teardown_django):
+    """Enabling application load the addon configuration in settings and urlconf - minimal addon config."""
+
+    with working_directory(project_dir), patch("app_enabler.enable.load_addon") as load_addon, patch(
+        "app_enabler.enable.verify_installation"
+    ) as verify_installation:
+        load_addon.return_value = addon_config_minimal
+        verify_installation.return_value = False
+        os.environ["DJANGO_SETTINGS_MODULE"] = "test_project.settings"
+
+        enable_application("djangocms_blog")
+
+        captured = capsys.readouterr()
+        assert captured.out == messages["verify_error"].format(package="djangocms-blog")
+
+
 def test_enable_no_application(pytester, project_dir, addon_config, teardown_django):
     """Enabling application with empty addon configuration does not alter the configuration."""