def test_print_cache(capfd):
clear_cache()
_identity(x)
info = _identity.cache_info()
print_cache()
resout, _ = capfd.readouterr()
assert resout.find('_identity ' + str(info)) >= 0
def test_print_cache(capfd):
clear_cache()
_identity(x)
info = _identity.cache_info()
print_cache()
resout, _ = capfd.readouterr()
assert resout.find('_identity ' + str(info)) >= 0
def test_print_cache(capfd):
clear_cache()
wrapped = _identity.__wrapped__
_identity(x)
item = str(wrapped)
head = '='*len(item)
res = (head + "\n" + item + "\n" + head + "\n" +
" ((Symbol('x'), <class 'diofant.core.symbol.Symbol'>), (True,)) : x\n")
print_cache()
resout, _ = capfd.readouterr()
assert resout == res
assert dict(CACHE)[wrapped] == {((x, Symbol), (True,)): x}