def test_stopiteration_is_raised(self):
def stopit(*args, **kwargs):
raise StopIteration()
def legit_create_combiner(x):
return [x]
def legit_merge_value(x, y):
return x.append(y) or x
def legit_merge_combiners(x, y):
return x.extend(y) or x
data = [(x % 2, x) for x in range(100)]
# wrong create combiner
m = ExternalMerger(
Aggregator(stopit, legit_merge_value, legit_merge_combiners), 20)
with self.assertRaises((Py4JJavaError, RuntimeError)) as cm:
m.mergeValues(data)
# wrong merge value
m = ExternalMerger(
Aggregator(legit_create_combiner, stopit, legit_merge_combiners),
20)
with self.assertRaises((Py4JJavaError, RuntimeError)) as cm:
m.mergeValues(data)
# wrong merge combiners
m = ExternalMerger(
Aggregator(legit_create_combiner, legit_merge_value, stopit), 20)
with self.assertRaises((Py4JJavaError, RuntimeError)) as cm:
m.mergeCombiners(map(lambda x_y1: (x_y1[0], [x_y1[1]]), data))
def setUp(self):
self.N = 1 << 16
self.l = [i for i in xrange(self.N)]
self.data = zip(self.l, self.l)
self.agg = Aggregator(lambda x: [x],
lambda x, y: x.append(y) or x,
lambda x, y: x.extend(y) or x)
def setUp(self):
self.N = 1 << 20
values = [i for i in range(self.N)]
keys = [i for i in range(2)]
import itertools
self.data = [value for value in itertools.product(keys, values)]
self.agg = Aggregator(lambda x: [x], lambda x, y: x.append(y) or x,
lambda x, y: x.extend(y) or x)
def setUp(self):
self.N = 1 << 12
self.lst = [i for i in range(self.N)]
self.data = list(zip(self.lst, self.lst))
self.agg = Aggregator(lambda x: [x], lambda x, y: x.append(y) or x,
lambda x, y: x.extend(y) or x)