def test_spawn_many():
# This dependencies dict sets up a graph like this:
# a
# / \
# b c
# \ /|
# d |
# \|
# e
deps = dict(e="cd", d="bc", c="a", b="a", a="")
capture = Capture()
pool = DAGPool()
# spawn a waitall() waiter externally to our DAGPool, but capture its
# message in same Capture instance
eventlet.spawn(waitall_done, capture, pool)
pool.spawn_many(deps, spawn_many_func, capture, pool)
# This set of greenthreads should in fact run to completion once spawned.
spin()
# verify that e completed (also that post(key) within greenthread
# overrides implicit post of return value, which would be None)
assert_equals(pool.get("e"), "e")
# With the dependency graph shown above, it is not guaranteed whether b or
# c will complete first. Handle either case.
sequence = capture.sequence[:]
sequence[1:3] = [set([sequence[1].pop(), sequence[2].pop()])]
assert_equals(sequence, [
set(["a done"]),
set(["b done", "c done"]),
set(["d done"]),
set(["e done"]),
set(["waitall() done"]),
])
def test_spawn_many():
# This dependencies dict sets up a graph like this:
# a
# / \
# b c
# \ /|
# d |
# \|
# e
deps = dict(e="cd",
d="bc",
c="a",
b="a",
a="")
capture = Capture()
pool = DAGPool()
# spawn a waitall() waiter externally to our DAGPool, but capture its
# message in same Capture instance
eventlet.spawn(waitall_done, capture, pool)
pool.spawn_many(deps, spawn_many_func, capture, pool)
# This set of greenthreads should in fact run to completion once spawned.
spin()
# verify that e completed (also that post(key) within greenthread
# overrides implicit post of return value, which would be None)
assert_equals(pool.get("e"), "e")
# With the dependency graph shown above, it is not guaranteed whether b or
# c will complete first. Handle either case.
sequence = capture.sequence[:]
sequence[1:3] = [set([sequence[1].pop(), sequence[2].pop()])]
assert_equals(sequence,
[set(["a done"]),
set(["b done", "c done"]),
set(["d done"]),
set(["e done"]),
set(["waitall() done"]),
])
