def test_resource_create_pieces(self):
''' test that we can create n pieces of the cake '''
user = IntervalPreference('user', [(0.0, 1.0), (1.0, 1.0)])
cake = IntervalResource((F(0,1), F(1,1)))
pieces = create_equal_pieces(user, cake, 3)
actual = [
IntervalResource((F(0,3), F(1,3))),
IntervalResource((F(1,3), F(2,3))),
IntervalResource((F(2,3), F(3,3))),
]
self.assertEqual(pieces, actual)
def test_resource_create_pieces(self):
''' test that we can create n pieces of the cake '''
user = ContinuousPreference('mark', lambda x: F(1))
cake = ContinuousResource(F(0), F(1))
pieces = create_equal_pieces(user, cake, 3)
actual = [
ContinuousResource(F(0, 1), F(1, 3)),
ContinuousResource(F(1, 3), F(1, 3)),
ContinuousResource(F(2, 3), F(1, 3))
]
self.assertEqual(pieces, actual)
def test_resource_create_pieces(self):
''' test that we can create n pieces of the cake '''
user = ContinuousPreference('mark', lambda x: F(1))
cake = ContinuousResource(F(0), F(1))
pieces = create_equal_pieces(user, cake, 3)
actual = [
ContinuousResource(F(0, 1), F(1, 3)),
ContinuousResource(F(1, 3), F(1, 3)),
ContinuousResource(F(2, 3), F(1, 3))
]
self.assertEqual(pieces, actual)
def test_resource_create_pieces(self):
''' test that we can create n pieces of the cake '''
keys = ['red', 'blue', 'green', 'yellow', 'orange', 'purple']
vals = dict((k, F(1,1)) for k in keys)
cake = CollectionResource(keys)
user = CollectionPreference('mark', vals)
pieces = create_equal_pieces(user, cake, 3)
actual = [
CollectionResource(['red', 'blue']),
CollectionResource(['green', 'yellow']),
CollectionResource(['orange', 'purple'])
]
for this,that in zip(pieces, actual):
self.assertEqual(this.value, that.value)
cs = [ # skew, resource
lambda: (0.05, ContinuousResource(F(0), F(1))),
lambda: (0.25, counted_factory()),
lambda: (0.20, CollectionResource.random(10)),
lambda: (0.20, CollectionResource.random(10)),
lambda: (0.10, IntervalResource((F(0), F(1))))
]
#------------------------------------------------------------
# test that the methods work
#------------------------------------------------------------
print "\n","=" * 60
print "Create Equal Pieces Stress Test"
print "=" * 60,"\n"
for user_factory, cake_factory in zip(us, cs):
print "-" * 60
print cake_factory()[1].__class__.__name__
print "-" * 60
for size in range(2, iterations):
skew, cake = cake_factory()
user = user_factory()
total = user.value_of(cake)
value = F(1, size) * total
pieces = create_equal_pieces(user, cake, size)
values = [user.value_of(piece) for piece in pieces]
print "needed[%f]\t<= found:%s" % (value, values)
assert(abs(sum(values) - total) < (total * 0.01)) # should roughly sum to 1
#assert(all(abs(v - value) < (value * skew) for v in values)) # should all be ~ equal
cs = [ # skew, resource
lambda: (0.05, ContinuousResource(F(0), F(1))), lambda:
(0.25, counted_factory()), lambda: (0.20, CollectionResource.random(10)),
lambda: (0.20, CollectionResource.random(10)), lambda:
(0.10, IntervalResource((F(0), F(1))))
]
#------------------------------------------------------------
# test that the methods work
#------------------------------------------------------------
print "\n", "=" * 60
print "Create Equal Pieces Stress Test"
print "=" * 60, "\n"
for user_factory, cake_factory in zip(us, cs):
print "-" * 60
print cake_factory()[1].__class__.__name__
print "-" * 60
for size in range(2, iterations):
skew, cake = cake_factory()
user = user_factory()
total = user.value_of(cake)
value = F(1, size) * total
pieces = create_equal_pieces(user, cake, size)
values = [user.value_of(piece) for piece in pieces]
print "needed[%f]\t<= found:%s" % (value, values)
assert (abs(sum(values) - total) <
(total * 0.01)) # should roughly sum to 1
#assert(all(abs(v - value) < (value * skew) for v in values)) # should all be ~ equal
