Cover GDM module with tests, added FilesLabelerFactory, renamed GdmBuilder

tests/utils/global_theme/test_gdm_preparer.py

@@ -0,0 +1,124 @@
+import os
+import shutil
+import unittest
+from unittest.mock import MagicMock, patch
+
+from scripts import config
+from scripts.types.theme_base import ThemeBase
+from scripts.utils.global_theme.gdm_preparer import GDMThemePreparer
+
+
+class DummyTheme(ThemeBase):
+    def __init__(self):
+        super().__init__()
+        self.temp_folder = None
+        self.main_styles = None
+
+    def prepare(self):
+        pass
+
+    def install(self, hue: int, name: str, sat: float | None = None):
+        pass
+
+
+class TestGDMThemePreparer(unittest.TestCase):
+    def setUp(self):
+        self.temp_folder = os.path.join(config.temp_tests_folder, "gdm_preparer")
+
+        self.gresource = self._mock_gresource(self.temp_folder)
+        self.theme_builder = self._mock_builder()
+
+        self.mock_logger = MagicMock()
+        self.logger_factory = MagicMock()
+        self.logger_factory.create_logger.return_value = self.mock_logger
+
+        self.preparer = GDMThemePreparer(
+            temp_folder=self.temp_folder,
+            default_mode="light",
+            is_filled=True,
+            gresource=self.gresource,
+            theme_builder=self.theme_builder,
+            logger_factory=self.logger_factory,
+            files_labeler_factory=MagicMock(),
+        )
+
+    @staticmethod
+    def _mock_gresource(temp_folder):
+        gresource = MagicMock()
+        gresource.temp_folder = temp_folder
+        gresource.extract = MagicMock()
+        gresource.use_backup_gresource = MagicMock()
+        return gresource
+
+    @staticmethod
+    def _mock_builder():
+        theme_builder = MagicMock()
+        theme_builder.with_temp_folder.return_value = theme_builder
+        theme_builder.with_theme_name.return_value = theme_builder
+        theme_builder.with_mode.return_value = theme_builder
+        theme_builder.filled.return_value = theme_builder
+        theme_builder.with_logger_factory.return_value = theme_builder
+        theme_builder.with_reset_dependencies.return_value = theme_builder
+        theme_builder.build.return_value = DummyTheme()
+        return theme_builder
+
+    def tearDown(self):
+        shutil.rmtree(self.temp_folder, ignore_errors=True)
+
+    def test_use_backup_as_source(self):
+        self.preparer.use_backup_as_source()
+
+        self.gresource.use_backup_gresource.assert_called_once()
+
+    @patch("os.listdir")
+    def test_preparer_extracts_gresource(self, mock_listdir):
+        mock_listdir.return_value = ["gnome-shell.css"]
+
+        self.preparer.prepare()
+
+        self.gresource.extract.assert_called_once()
+
+    @patch("os.listdir")
+    def test_preparer_scans_correct_directory(self, mock_listdir):
+        mock_listdir.return_value = ["gnome-shell.css"]
+
+        self.preparer.prepare()
+
+        mock_listdir.assert_called_once_with(self.gresource.temp_folder)
+
+    @patch("os.listdir")
+    def test_preparer_filters_valid_css_files(self, mock_listdir):
+        valid_files = ["gnome-shell-dark.css", "gnome-shell-light.css", "gnome-shell.css"]
+        invalid_files = ["other.css", "readme.txt"]
+        mock_listdir.return_value = valid_files + invalid_files
+
+        themes = self.preparer.prepare()
+
+        self.assertEqual(len(themes), len(valid_files))
+
+    @patch("os.listdir")
+    def test_preparer_assigns_correct_labels(self, mock_listdir):
+        test_files = ["gnome-shell-dark.css", "gnome-shell-light.css", "gnome-shell.css"]
+        mock_listdir.return_value = test_files
+
+        themes = self.preparer.prepare()
+
+        expected_labels = {
+            "gnome-shell-dark.css": "dark",
+            "gnome-shell-light.css": "light",
+            "gnome-shell.css": "light"  # Uses default_mode
+        }
+
+        for theme_obj in themes:
+            file_name = os.path.basename(theme_obj.theme_file)
+            self.assertEqual(theme_obj.label, expected_labels[file_name])
+
+    @patch("os.listdir")
+    def test_preparer_configures_theme_builder_correctly(self, mock_listdir):
+        mock_listdir.return_value = ["gnome-shell-dark.css", "gnome-shell.css"]
+
+        self.preparer.prepare()
+
+        self.theme_builder.with_theme_name.assert_any_call("gnome-shell-dark")
+        self.theme_builder.with_theme_name.assert_any_call("gnome-shell")
+