def test_lat_lng_to_zipcode():
lat_lngs = [(41.8955360374983,-87.6217660821178),
(34.1678563835543,-118.126220490392),
(42.3769095103979,-71.1247640734676),
(42.3594006437094,-87.8581578622419)]
zipcodes = ["60611","91104","02138","60085"]
for (lat,lng),zipcode in zip(lat_lngs,zipcodes):
assert zipcode == lat_lng_to_zipcode(lat,lng)
def test_lat_lng_to_zipcode_null():
assert None is lat_lng_to_zipcode(None, 1)
assert None is lat_lng_to_zipcode(1, None)
assert None is lat_lng_to_zipcode(None, None)
def test_lat_lng_to_zipcode(lat_lng_zipcode):
lat_lng, zipcode = lat_lng_zipcode
assert zipcode == lat_lng_to_zipcode(*lat_lng)
def test_lat_lng_to_zipcode_null():
assert None is lat_lng_to_zipcode(None,1)
assert None is lat_lng_to_zipcode(1, None)
assert None is lat_lng_to_zipcode(None, None)
def test_lat_lng_to_zipcode(lat_lng_zipcode):
lat_lng, zipcode = lat_lng_zipcode
assert zipcode == lat_lng_to_zipcode(*lat_lng)
