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from mock import patch
import os
from glue.config import SettingRegistry
from glue._settings_helpers import load_settings, save_settings
def test_roundtrip(tmpdir):
settings = SettingRegistry()
settings.add('STRING', 'green', str)
settings.add('INT', 3, int)
settings.add('FLOAT', 5.5, float)
settings.add('LIST', [1,2,3], list)
with patch('glue.config.settings', settings):
with patch('glue.config.CFG_DIR', tmpdir.strpath):
settings.STRING = 'blue'
settings.INT = 4
settings.FLOAT = 3.5
settings.LIST = ['A', 'BB', 'CCC']
settings.reset_defaults()
assert settings.STRING == 'green'
assert settings.INT == 3
assert settings.FLOAT == 5.5
assert settings.LIST == [1, 2, 3]
settings.STRING = 'blue'
settings.INT = 4
settings.FLOAT = 3.5
settings.LIST = ['A', 'BB', 'CCC']
save_settings()
assert os.path.exists(os.path.join(tmpdir.strpath, 'settings.cfg'))
settings.reset_defaults()
settings.STRING = 'red'
settings.INT = 5
# Loading settings will only change settings that have not been
# changed from the defaults...
load_settings()
assert settings.STRING == 'red'
assert settings.INT == 5
assert settings.FLOAT == 3.5
assert settings.LIST == ['A', 'BB', 'CCC']
# ... unless the ``force=True`` option is passed
load_settings(force=True)
assert settings.STRING == 'blue'
assert settings.INT == 4
assert settings.FLOAT == 3.5
assert settings.LIST == ['A', 'BB', 'CCC']
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