Add TOML registry migration tests

tests/test_gsettings_registry_toml.py

@@ -0,0 +1,61 @@
+from pathlib import Path
+from unittest import mock
+
+import pytest
+
+from cthulhu import settings_manager
+
+
+def _manager(tmp_path: Path):
+    manager = settings_manager.SettingsManager(mock.Mock())
+    manager.activate(prefsDir=str(tmp_path))
+    return manager
+
+
+@pytest.mark.unit
+def test_registry_defaults_to_default_profile(tmp_path):
+    _manager(tmp_path)
+    from cthulhu import gsettings_registry
+
+    registry = gsettings_registry.get_registry()
+    registry.clear_runtime_values()
+
+    assert registry.get_active_profile() == "default"
+    assert registry.get_active_app() is None
+
+
+@pytest.mark.unit
+def test_runtime_override_wins_over_toml(tmp_path):
+    _manager(tmp_path)
+    from cthulhu import gsettings_registry
+
+    registry = gsettings_registry.get_registry()
+    registry.set_runtime_value("keybindings", "keyboard-layout", "laptop")
+
+    assert registry.layered_lookup(
+        "keybindings",
+        "keyboard-layout",
+        "",
+        default="desktop",
+    ) == "laptop"
+
+
+@pytest.mark.unit
+def test_save_schema_writes_toml_not_dconf(tmp_path):
+    _manager(tmp_path)
+    from cthulhu import gsettings_registry
+
+    registry = gsettings_registry.get_registry()
+    registry.save_schema(
+        "keybindings",
+        {"keyboard-layout": "laptop", "laptop-modifier-keys": ["Caps_Lock"]},
+        "default",
+        "",
+        skip_defaults=False,
+    )
+
+    text = Path(tmp_path, "user-settings.toml").read_text(encoding="utf-8")
+    assert "keyboard-layout" in text
+    assert "laptop-modifier-keys" in text
+    assert "org.gnome.Orca" not in text
+    assert "dconf" not in text

tests/test_toml_settings_migration.py

@@ -0,0 +1,62 @@
+from pathlib import Path
+
+import pytest
+from tomlkit import dumps, document
+
+
+def _write_legacy_settings(path: Path) -> None:
+    data = document()
+    data["general"] = {
+        "keyboardLayout": 1,
+        "cthulhuModifierKeys": ["Insert", "KP_Insert"],
+        "progressBarVerbosity": 1,
+        "progressBarUpdateInterval": 10,
+        "ocrLanguageCode": "eng",
+        "ocrScaleFactor": 3,
+        "ocrCopyToClipboard": True,
+    }
+    data["profiles"] = {
+        "default": {
+            "profile": ["Default", "default"],
+            "keybindings": {},
+            "pronunciations": {},
+        }
+    }
+    path.write_text(dumps(data), encoding="utf-8")
+
+
+@pytest.mark.unit
+def test_migrates_legacy_keys_to_schema_tables(tmp_path):
+    settings_path = Path(tmp_path, "user-settings.toml")
+    _write_legacy_settings(settings_path)
+
+    from cthulhu import gsettings_registry
+
+    registry = gsettings_registry.get_registry()
+    registry.migrate_all(str(tmp_path))
+
+    migrated = settings_path.read_text(encoding="utf-8")
+    assert "format-version = 2" in migrated
+    assert "[profiles.default.keybindings]" in migrated
+    assert 'keyboard-layout = "desktop"' in migrated
+    assert 'desktop-modifier-keys = ["Insert", "KP_Insert"]' in migrated
+    assert "[profiles.default.ocr]" in migrated
+    assert 'language-code = "eng"' in migrated
+    assert "cthulhuModifierKeys" not in migrated
+    assert "progressBarUpdateInterval" not in migrated
+
+
+@pytest.mark.unit
+def test_migration_is_idempotent(tmp_path):
+    settings_path = Path(tmp_path, "user-settings.toml")
+    _write_legacy_settings(settings_path)
+
+    from cthulhu import gsettings_registry
+
+    registry = gsettings_registry.get_registry()
+    registry.migrate_all(str(tmp_path))
+    first = settings_path.read_text(encoding="utf-8")
+    registry.migrate_all(str(tmp_path))
+    second = settings_path.read_text(encoding="utf-8")
+
+    assert second == first