def test_lut_lambda():
# make a lookup table, register a random-ass function, get it back and
# make sure it works.
lut = Lut()
key = lut.register(lambda x: x+1)
fxn = lut.lookup(key)
nt.assert_equal(fxn(1), 2)
nt.assert_equal(fxn(2), 3)
def test_lut_method():
# make a lut, register a method and make sure you can get it *by name*.
class Test(object):
def ping(self, cb):
cb('pong!')
test = Test()
lut = Lut()
key = lut.register(Test.ping)
nt.assert_equal(key, 'ping')
fxn = lut.lookup(key)
def test_function_scrub():
"""
Tests scrubbing cb's from function arguments
"""
lut = Lut()
scrubber = Scrubber(lut)
#a named function
def sqrt(x):
return x**0.5
#a *args, yo
scrubbed = scrubber.scrub([1, 5, lambda x: x+1, sqrt])
nt.assert_equal( scrubbed,
{'callbacks': {0: [2], 'sqrt': [3]},
'arguments': [1, 5, '[function]', '[function]']
})
# sqrt and the lambda are registered to the lut.
# is this the behavior I want?
nt.assert_equal(lut.lookup('sqrt')(4), 2)