def test_std(self):
self.assertEqual(col.stdev([1, 2, 3, 4, 5]),
statistics.stdev([1, 2, 3, 4, 5]))
def test_stdev_random(self):
file_stdev = col.stdev(self.random_list)
self.assertEqual(file_stdev, self.calc_pstdev_random_list)
def test_list_stdev_const_small(self):
r = gcs.stdev([1])
self.assertEqual(r, 0)
def test_list_stdev_list_not_passed(self):
with self.assertRaises(TypeError) as ex:
r = gcs.stdev('not a list')
self.assertEqual(str(ex.exception), 'Stdev undefined')
def test_stdev_random(self):
file_stdev = column.stdev(self.random_list)
self.assertEqual(round(file_stdev, 10),
round(self.calc_pstdev_random_list, 10))
def test_list_stdev_empty_list(self):
r = gcs.stdev([])
self.assertEqual(r, None)
def test_stdev_constant(self):
self.assertEqual(column.stdev([3, 4, 5, 6]), st.pstdev([3, 4, 5, 6]))
def test_stdev_constant(self):
self.assertEqual(get_column_stats.stdev(test_array),
self.test_array_std)
def test_std_one_element(self):
with self.assertRaises(ValueError):
get_column_stats.stdev([random.randint(1, 1000)])
def test_std_empty(self):
with self.assertRaises(ValueError):
get_column_stats.stdev([])
def test_stdev_constant(self):
self.assertEqual(gcs.stdev([1,2,3,4]),st.pstdev[1,2,3,4])