Cover GDM module with tests, added FilesLabelerFactory, renamed GdmBuilder

tests/utils/global_theme/test_gdm_remover.py

@@ -0,0 +1,44 @@
+from unittest import TestCase
+from unittest.mock import MagicMock
+
+from scripts.utils.global_theme.gdm_remover import GDMThemeRemover
+from scripts.utils.gresource import GresourceBackupNotFoundError
+
+
+class GDMRemoverTestCase(TestCase):
+    def setUp(self):
+        self.gresource = MagicMock()
+        self.alternatives_updater = MagicMock()
+        self.logger = MagicMock()
+        self.logger_factory = MagicMock(return_value=self.logger)
+
+        self.remover = GDMThemeRemover(
+            gresource=self.gresource,
+            alternatives_updater=self.alternatives_updater,
+            logger_factory=self.logger_factory
+        )
+
+        self.remover.remover_logger = MagicMock()
+
+    def test_remove_logs_start_message(self):
+        self.remover.remove()
+
+        self.remover.remover_logger.start_removing.assert_called_once()
+
+    def test_remove_calls_gresource_restore_and_alternatives_remove(self):
+        self.remover.remove()
+
+        self.gresource.restore.assert_called_once()
+        self.alternatives_updater.remove.assert_called_once()
+
+    def test_remove_logs_success_message(self):
+        self.remover.remove()
+
+        self.remover.remover_logger.success_removing.assert_called_once()
+
+    def test_remove_logs_error_message_when_backup_not_found(self):
+        self.gresource.restore.side_effect = GresourceBackupNotFoundError()
+
+        self.remover.remove()
+
+        self.remover.remover_logger.error_removing.assert_called_once()