def test_get_stored_market_names__contains_files(self, mock_os):
market = Market('market')
DummyFile('a')
filename_list = ['a', 'b', 'c', 'd']
dummyfile_list = [
DummyFile('a'),
DummyFile('b'),
DummyFile('c'),
DummyFile('d')
]
iterator_filelist = iter(dummyfile_list)
mock_os.scandir.return_value = iterator_filelist
self.assertEqual(market.get_stored_market_names(), filename_list)
def test_get_stored_market_names__empty(self, mock_os):
market = Market('market')
mock_os.scandir.return_value = []
self.assertEqual(market.get_stored_market_names(), [])
def test_get_stored_market_names__scandir_is_called(self, mock_os):
market = Market('market')
market.get_stored_market_names()
mock_os.scandir.assert_called_with("Markets")
