def test_settings_only_saves_non_default_values(tmp_path):
settings = SettingsManager(tmp_path, save_to_disk=False)
all_data = settings._to_dict(safe=True)
with open(tmp_path / SettingsManager._FILENAME, "w") as fh:
fh.write(safe_dump(all_data))
settings = SettingsManager(tmp_path, save_to_disk=True)
settings._save()
with open(tmp_path / SettingsManager._FILENAME) as fh:
data = safe_load(fh.read())
assert all_data.keys() == data.keys()
assert all_data != data
def test_settings_env_variables_do_not_write_to_disk(tmp_path, monkeypatch):
data = """
appearance:
theme: light
"""
with open(tmp_path / SettingsManager._FILENAME, "w") as fh:
fh.write(data)
value = 'dark'
monkeypatch.setenv('NAPARI_THEME', value)
settings = SettingsManager(tmp_path, save_to_disk=True)
settings._save()
with open(tmp_path / SettingsManager._FILENAME) as fh:
saved_data = fh.read()
model_values = settings._to_dict(safe=True)
saved_values = safe_load(saved_data)
assert model_values["appearance"]["theme"] == value
assert saved_values.get("appearance", {}).get("theme", "") == ""