euler/python/lib_fibonacci_tests.py

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import unittest
try:
from .lib_fibonacci import fibonacci_generator
from .lib_fibonacci import fibonacci_generator_smaller
from .lib_fibonacci import fibonacci_nth
except ModuleNotFoundError:
from lib_fibonacci import fibonacci_generator
from lib_fibonacci import fibonacci_generator_smaller
from lib_fibonacci import fibonacci_nth
class TestFibonacciMethods(unittest.TestCase):
def test_fibonacci_generator(self):
g = fibonacci_generator()
fs = [next(g) for _ in range(10)]
self.assertEqual(fs, [1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
self.assertNotEqual(fs, [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
def test_fibonacci_generator_smaller(self):
g = fibonacci_generator_smaller(20)
self.assertEqual(list(g), [1, 1, 2, 3, 5, 8, 13])
def test_fibonacci_nth(self):
self.assertEqual(fibonacci_nth(0), 0)
self.assertEqual(fibonacci_nth(1), 1)
self.assertEqual(fibonacci_nth(2), 1)
self.assertEqual(fibonacci_nth(3), 2)
self.assertEqual(fibonacci_nth(4), 3)
self.assertEqual(fibonacci_nth(5), 5)
self.assertEqual(fibonacci_nth(6), 8)
if __name__ == '__main__':
unittest.main()