Files
python/exercises/practice/robot-name/robot_name_test.py
2021-01-29 11:14:36 -05:00

52 lines
1.2 KiB
Python

import unittest
import random
from robot_name import Robot
class RobotNameTest(unittest.TestCase):
# assertRegex() alias to address DeprecationWarning
# assertRegexpMatches got renamed in version 3.2
if not hasattr(unittest.TestCase, "assertRegex"):
assertRegex = unittest.TestCase.assertRegexpMatches
name_re = r'^[A-Z]{2}\d{3}$'
def test_has_name(self):
self.assertRegex(Robot().name, self.name_re)
def test_name_sticks(self):
robot = Robot()
robot.name
self.assertEqual(robot.name, robot.name)
def test_different_robots_have_different_names(self):
self.assertNotEqual(
Robot().name,
Robot().name
)
def test_reset_name(self):
# Set a seed
seed = "Totally random."
# Initialize RNG using the seed
random.seed(seed)
# Call the generator
robot = Robot()
name = robot.name
# Reinitialize RNG using seed
random.seed(seed)
# Call the generator again
robot.reset()
name2 = robot.name
self.assertNotEqual(name, name2)
self.assertRegex(name2, self.name_re)
if __name__ == '__main__':
unittest.main()