ray/test/xray_test.py
2018-04-11 10:11:35 -07:00

75 lines
1.5 KiB
Python

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import pytest
import ray
test_values = [1, 1.0, "test", b"test", (0, 1), [0, 1], {0: 1}]
@pytest.fixture
def ray_start():
# Start the Ray processes.
ray.init(num_cpus=1, use_raylet=True)
yield None
# The code after the yield will run as teardown code.
ray.worker.cleanup()
def test_basic_task_api(ray_start):
# Test a simple function.
@ray.remote
def f_simple():
return 1
assert ray.get(f_simple.remote()) == 1
# Test multiple return values.
@ray.remote(num_return_vals=3)
def f_multiple_returns():
return 1, 2, 3
x_id1, x_id2, x_id3 = f_multiple_returns.remote()
assert ray.get([x_id1, x_id2, x_id3]) == [1, 2, 3]
# Test arguments passed by value.
@ray.remote
def f_args_by_value(x):
return x
for arg in test_values:
assert ray.get(f_args_by_value.remote(arg)) == arg
# Test arguments passed by ID.
# Test keyword arguments.
def test_put_api(ray_start):
for obj in test_values:
assert ray.get(ray.put(obj)) == obj
# Test putting object IDs.
x_id = ray.put(0)
for obj in [[x_id], (x_id, ), {x_id: x_id}]:
assert ray.get(ray.put(obj)) == obj
def test_actor_api(ray_start):
@ray.remote
class Foo(object):
def __init__(self, val):
self.x = val
def get(self):
return self.x
x = 1
f = Foo.remote(x)
assert (ray.get(f.get.remote()) == x)