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First solution in Clear category for Compare Functions by nix.tent
def checkio(f,g):
F_ERR = 'f_error'
G_ERR = 'g_error'
def h(*args,**kwargs):
f_ans = g_ans = None
try:
f_ans = f(*args, **kwargs)
if f_ans == None:
raise Exception('f comes out None')
except:
f_ans = F_ERR
try:
g_ans = g(*args, **kwargs)
if g_ans == None:
raise Exception('g comes out None')
except:
g_ans = G_ERR
if f_ans == g_ans : # f and g are all passed
return (f_ans, 'same')
elif f_ans != F_ERR: # f has value
return (f_ans, 'different' if g_ans != G_ERR else G_ERR)
elif g_ans != G_ERR: # g has value
return (g_ans, f_ans)
return (None,'both_error')
return h
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
# (x+y)(x-y)/(x-y)
assert checkio(lambda x,y:x+y,
lambda x,y:(x**2-y**2)/(x-y))\
(1,3)==(4,'same'), "Function: x+y, first"
assert checkio(lambda x,y:x+y,
lambda x,y:(x**2-y**2)/(x-y))\
(1,2)==(3,'same'), "Function: x+y, second"
assert checkio(lambda x,y:x+y,
lambda x,y:(x**2-y**2)/(x-y))\
(1,1.01)==(2.01,'different'), "x+y, third"
assert checkio(lambda x,y:x+y,
lambda x,y:(x**2-y**2)/(x-y))\
(1,1)==(2,'g_error'), "x+y, fourth"
# Remove odds from list
f = lambda nums:[x for x in nums if ~x%2]
def g(nums):
for i in range(len(nums)):
if nums[i]%2==1:
nums.pop(i)
return nums
assert checkio(f,g)([2,4,6,8]) == ([2,4,6,8],'same'), "evens, first"
assert checkio(f,g)([2,3,4,6,8]) == ([2,4,6,8],'g_error'), "evens, second"
# Fizz Buzz
assert checkio(lambda n:("Fizz "*(1-n%3) + "Buzz "*(1-n%5))[:-1] or str(n),
lambda n:('Fizz'*(n%3==0) + ' ' + 'Buzz'*(n%5==0)).strip())\
(6)==('Fizz','same'), "fizz buzz, first"
assert checkio(lambda n:("Fizz "*(1-n%3) + "Buzz "*(1-n%5))[:-1] or str(n),
lambda n:('Fizz'*(n%3==0) + ' ' + 'Buzz'*(n%5==0)).strip())\
(30)==('Fizz Buzz','same'), "fizz buzz, second"
assert checkio(lambda n:("Fizz "*(1-n%3) + "Buzz "*(1-n%5))[:-1] or str(n),
lambda n:('Fizz'*(n%3==0) + ' ' + 'Buzz'*(n%5==0)).strip())\
(7)==('7','different'), "fizz buzz, third"
March 12, 2019
