def test_single_key_output():
data = {
'key1': ('v1',),
'key2': ('v2',),
'key3': ('v3',)
}
expected = {k: next(iter(v)) for k, v in data.items()}
assert dict(tools.single_key_output(data.items())) == expected
def output(self, items):
return tools.single_key_output(items)