Hi list,
I am rather new to py library and just started using py.test.
You may already have noticed, that the "assert" in magic-mode will
evaluate its arguments (e.g. the parts of an equality check) more than
once. This will not work, if the arguments have side effects, as in:
i = 1
def foo():
global i
i += 1
return i
def test_foo():
assert foo() == 3
Is there a common solution to this, other than the annoying
foo_result = foo()
assert foo_result == 3
thingie? Maybe py.test could preemptive cache all calls to assert
beforehand? Is this possible?
Ciao, Imi.
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