def test_get_config_value_returns_value_from_config(self):
key = factory.make_name('key')
value = factory.make_name('value')
fake_config = {key: value}
with open(self.regiond_path, 'w') as stream:
stream.write(yaml.safe_dump(fake_config))
self.assertEquals(value, snappy.get_config_value(key))
def test_update_config_value_clears_value(self):
key = factory.make_name('key')
value = factory.make_name('value')
snappy.update_config_value(key, value)
snappy.update_config_value(key, None)
self.assertIsNone(snappy.get_config_value(key))
def test_update_config_value_sets_value_in_config(self):
key = factory.make_name('key')
value = factory.make_name('value')
snappy.update_config_value(key, value)
self.assertEquals(value, snappy.get_config_value(key))
def test_get_config_value_returns_None_when_missing(self):
self.assertIsNone(snappy.get_config_value(factory.make_name('key')))