def __init__(self, system, xml):
""" Store context needed for the test across transactions """
self.system = system
self.xml = xml
# Construct a small pool of unique seeds
# To keep our implementation in line with the one capa actually uses,
# construct the problems, then use the seeds they generate
self.seeds = [
lcp.LoncapaProblem(self.xml, 'problem_id', system=self.system).seed
for i in range(self.NUM_UNIQUE_SEEDS)
]
def __init__(self):
""" Create the problem """
# Get the context (re-used across transactions)
self.context = TestContext.singleton()
# Create a new custom response problem
# using one of a small number of unique seeds
# We're assuming that the capa module is limiting the number
# of seeds (currently not the case for certain settings)
self.problem = lcp.LoncapaProblem(self.context.xml,
'1',
state=None,
seed=self.context.random_seed(),
system=self.context.system)