def test_parser_should_fail_if_input_length_mismatch(self):
source_file = testdata.TEST_PARSER_DATA_3
parser = exparser.FileParser()
with open(source_file, mode='r') as handle:
with self.assertRaises(ValueError):
parser.parse(handle)
def test_parser_should_reject_bad_file_input(self):
source_file = testdata.TEST_PARSER_DATA_2
parser = exparser.FileParser()
with open(source_file, mode='r') as handle:
with self.assertRaises(Exception):
parser.parse(handle)
def test_parser_should_accept_correctly_formatted_input(self):
source_file = testdata.TEST_PARSER_DATA_1
parser = exparser.FileParser()
with open(source_file, mode='r') as handle:
try:
parser.parse(handle)
except Exception as e:
self.fail(e)
def main():
if len(sys.argv) < 2:
print(usage())
sys.exit(1)
fname = sys.argv[1]
with open(fname, 'r') as handle:
parser = exparser.FileParser()
fac_data = parser.parse(handle)
results = map(lambda n: (n, fac.factorial(n)), fac_data)
for result in results:
n, facn = result
print('factorial({}) = {}'.format(n, facn))
def test_ex1_integration(self):
handle = mock_file(file_input())
parser = exparser.FileParser()
values = parser.parse(handle)
keys = FAC_DICT.keys()
for value in values:
if value not in keys:
self.fail()
results = map(lambda n: (n, fac.factorial(n)), values)
self.assertEqual(len(keys), len(results))
for result in results:
n, facn = result
self.assertEqual(facn, FAC_DICT[n])