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84 lines
1.3 KiB
Python
84 lines
1.3 KiB
Python
from testutils import assertRaises
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def sum(x, y):
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return x+y
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def total(a, b, c, d):
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return sum(sum(a,b), sum(c,d))
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assert total(1,1,1,1) == 4
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assert total(1,2,3,4) == 10
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assert sum(1, 1) == 2
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assert sum(1, 3) == 4
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def sum2y(x, y):
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return x+y*2
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assert sum2y(1, 1) == 3
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assert sum2y(1, 3) == 7
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def va(a, b=2, *c, d, **e):
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assert a == 1
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assert b == 22
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assert c == (3, 4)
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assert d == 1337
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assert e['f'] == 42
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va(1, 22, 3, 4, d=1337, f=42)
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assert va.__defaults__ == (2,)
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assert va.__kwdefaults__ is None
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def va2(*args, **kwargs):
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assert args == (5, 4)
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assert len(kwargs) == 0
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va2(5, 4)
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x = (5, 4)
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va2(*x)
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va2(5, *x[1:])
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def va3(x, *, a, b=2, c=9):
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return x + b + c
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assert va3(1, a=1, b=10) == 20
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with assertRaises(TypeError):
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va3(1, 2, 3, a=1, b=10)
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with assertRaises(TypeError):
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va3(1, b=10)
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assert va3.__defaults__ is None
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kw_defaults = va3.__kwdefaults__
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# assert va3.__kwdefaults__ == {'b': 2, 'c': 9}
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assert set(kw_defaults) == {'b', 'c'}
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assert kw_defaults['b'] == 2
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assert kw_defaults['c'] == 9
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x = {'f': 42, 'e': 1337}
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y = {'d': 1337}
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va(1, 22, 3, 4, **x, **y)
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# star arg after keyword args:
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def fubar(x, y, obj=None):
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assert x == 4
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assert y == 5
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assert obj == 6
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rest = [4, 5]
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fubar(obj=6, *rest)
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