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test_math_lib.py
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test_math_lib.py
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import random
import math_lib
import unittest
import statistics as stat
class TestMathLib(unittest.TestCase):
def test_list_mean_none(self):
ret = math_lib.list_mean(None)
self.assertEqual(ret, None)
def test_list_mean_empty(self):
emptylist = []
ret = math_lib.list_mean(emptylist)
self.assertEqual(ret, None)
def test_list_mean_ints(self):
for i in range(1, 100):
intlist = []
for j in range(1, 10):
intlist.append(random.randint(-50, 50))
ret = math_lib.list_mean(intlist)
self.assertEqual(ret, stat.mean(intlist))
def test_list_mean_floats(self):
for i in range(1, 100):
flist = []
for j in range(1, 20):
flist.append(random.uniform(1, 100))
ret = math_lib.list_mean(flist)
self.assertAlmostEqual(ret, stat.mean(flist))
def test_list_mean_combo(self):
for i in range(1, 100):
clist = []
for j in range(1, 20):
if(j % 2 == 0):
clist.append(random.randint(1, 100))
else:
clist.append(random.uniform(1, 100))
ret = math_lib.list_mean(clist)
self.assertAlmostEqual(ret, stat.mean(clist))
def test_list_mean_parameters(self):
for i in range(1, 100):
stringlist = ["B", "x"]
for j in range(1, 100):
stringlist.append(random.randint(1, 100))
if(i % 2 == 0):
stringlist.append(False)
with self.assertRaises(Exception) as ex:
math_lib.list_mean(stringlist)
def test_list_stdev_none(self):
ret = math_lib.list_stdev(None)
self.assertEqual(ret, None)
def test_list_stdev_empty(self):
ret = math_lib.list_stdev([])
self.assertEqual(ret, None)
def test_list_stdev_rand_ints_floats(self):
for i in range(1, 100):
clist = []
for j in range(1, 100):
if(j % 2 == 0):
clist.append(random.randint(-50, 50))
else:
clist.append(random.uniform(-50, 50))
ret = math_lib.list_stdev(clist)
self.assertAlmostEqual(ret, stat.stdev(clist))
def test_list_stdev_parameters(self):
for i in range(1, 100):
stringlist = ["B", "x"]
for j in range(1, 100):
stringlist.append(random.randint(1, 100))
if(i % 2 == 0):
stringlist.append(False)
with self.assertRaises(Exception) as ex:
math_lib.list_stdev(stringlist)
if __name__ == '__main__':
unittest.main()