Tianshou/test/base/test_env.py
2020-03-25 14:08:28 +08:00

91 lines
2.9 KiB
Python

import time
import pytest
import numpy as np
from tianshou.env import FrameStack, VectorEnv, SubprocVectorEnv, RayVectorEnv
if __name__ == '__main__':
from env import MyTestEnv
else: # pytest
from test.base.env import MyTestEnv
def test_framestack(k=4, size=10):
env = MyTestEnv(size=size)
fsenv = FrameStack(env, k)
fsenv.seed()
obs = fsenv.reset()
assert abs(obs - np.array([0, 0, 0, 0])).sum() == 0
for i in range(5):
obs, rew, done, info = fsenv.step(1)
assert abs(obs - np.array([2, 3, 4, 5])).sum() == 0
for i in range(10):
obs, rew, done, info = fsenv.step(0)
assert abs(obs - np.array([0, 0, 0, 0])).sum() == 0
for i in range(9):
obs, rew, done, info = fsenv.step(1)
assert abs(obs - np.array([6, 7, 8, 9])).sum() == 0
assert (rew, done) == (0, False)
obs, rew, done, info = fsenv.step(1)
assert abs(obs - np.array([7, 8, 9, 10])).sum() == 0
assert (rew, done) == (1, True)
with pytest.raises(ValueError):
obs, rew, done, info = fsenv.step(0)
# assert abs(obs - np.array([8, 9, 10, 10])).sum() == 0
# assert (rew, done) == (0, True)
fsenv.close()
def test_vecenv(size=10, num=8, sleep=0.001):
verbose = __name__ == '__main__'
env_fns = [
lambda: MyTestEnv(size=size, sleep=sleep),
lambda: MyTestEnv(size=size + 1, sleep=sleep),
lambda: MyTestEnv(size=size + 2, sleep=sleep),
lambda: MyTestEnv(size=size + 3, sleep=sleep),
lambda: MyTestEnv(size=size + 4, sleep=sleep),
lambda: MyTestEnv(size=size + 5, sleep=sleep),
lambda: MyTestEnv(size=size + 6, sleep=sleep),
lambda: MyTestEnv(size=size + 7, sleep=sleep),
]
venv = [
VectorEnv(env_fns),
SubprocVectorEnv(env_fns),
]
if verbose:
venv.append(RayVectorEnv(env_fns))
for v in venv:
v.seed()
action_list = [1] * 5 + [0] * 10 + [1] * 20
if not verbose:
o = [v.reset() for v in venv]
for i, a in enumerate(action_list):
o = []
for v in venv:
A, B, C, D = v.step([a] * num)
if sum(C):
A = v.reset(np.where(C)[0])
o.append([A, B, C, D])
for i in zip(*o):
for j in range(1, len(i)):
assert (i[0] == i[j]).all()
else:
t = [0, 0, 0]
for i, e in enumerate(venv):
t[i] = time.time()
e.reset()
for a in action_list:
done = e.step([a] * num)[2]
if sum(done) > 0:
e.reset(np.where(done)[0])
t[i] = time.time() - t[i]
print(f'VectorEnv: {t[0]:.6f}s')
print(f'SubprocVectorEnv: {t[1]:.6f}s')
print(f'RayVectorEnv: {t[2]:.6f}s')
for v in venv:
v.close()
if __name__ == '__main__':
test_framestack()
test_vecenv()