import unittest
import io
import re
from unittest import mock
import math
import student_X as main #Replace student_X with your filename 
    
    
    
 

class RightTrianglePerimeterTests(unittest.TestCase):

    def test_default_case(self):
        function = main.right_triangle_perimeter

        try:
            docstring = function.__doc__
            docstring = docstring.strip()
        except:
            docstring = ""
        correct = docstring != ""
        message = "No docstring."
        self.assertTrue(correct, message) 

        
        test = False
        try:
            correct = 12
            result = function(3, 4)
            test = correct == result
        except:
            pass

        message = "Doesn't return the correct perimeter for a small right triangle."
        self.assertTrue(test, message)

        
        test = False
        try:
            correct = 200 * math.sqrt(2) + 400
            result = function(200, 200)
            test = correct == result
        except:
            pass

        message = "Doesn't return the correct perimeter for a large right triangle."
        self.assertTrue(test, message)
        
        
if __name__ == "__main__":
    tests = RightTrianglePerimeterTests()
    tests.test_default_case()