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102 行
3.8 KiB
102 行
3.8 KiB
import unittest.mock as mock
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import pytest
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import numpy as np
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from mlagents_envs.environment import UnityEnvironment
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from mlagents_envs.base_env import BatchedStepResult
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from mlagents_envs.exception import UnityEnvironmentException, UnityActionException
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from mlagents_envs.mock_communicator import MockCommunicator
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@mock.patch("mlagents_envs.environment.UnityEnvironment.get_communicator")
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def test_handles_bad_filename(get_communicator):
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with pytest.raises(UnityEnvironmentException):
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UnityEnvironment(" ")
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@mock.patch("mlagents_envs.environment.UnityEnvironment.executable_launcher")
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@mock.patch("mlagents_envs.environment.UnityEnvironment.get_communicator")
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def test_initialization(mock_communicator, mock_launcher):
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mock_communicator.return_value = MockCommunicator(
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discrete_action=False, visual_inputs=0
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)
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env = UnityEnvironment(" ")
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assert env.get_agent_groups() == ["RealFakeBrain"]
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env.close()
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@mock.patch("mlagents_envs.environment.UnityEnvironment.executable_launcher")
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@mock.patch("mlagents_envs.environment.UnityEnvironment.get_communicator")
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def test_reset(mock_communicator, mock_launcher):
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mock_communicator.return_value = MockCommunicator(
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discrete_action=False, visual_inputs=0
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)
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env = UnityEnvironment(" ")
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spec = env.get_agent_group_spec("RealFakeBrain")
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env.reset()
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batched_step_result = env.get_step_result("RealFakeBrain")
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env.close()
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assert isinstance(batched_step_result, BatchedStepResult)
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assert len(spec.observation_shapes) == len(batched_step_result.obs)
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n_agents = batched_step_result.n_agents()
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for shape, obs in zip(spec.observation_shapes, batched_step_result.obs):
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assert (n_agents,) + shape == obs.shape
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@mock.patch("mlagents_envs.environment.UnityEnvironment.executable_launcher")
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@mock.patch("mlagents_envs.environment.UnityEnvironment.get_communicator")
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def test_step(mock_communicator, mock_launcher):
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mock_communicator.return_value = MockCommunicator(
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discrete_action=False, visual_inputs=0
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)
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env = UnityEnvironment(" ")
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spec = env.get_agent_group_spec("RealFakeBrain")
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env.step()
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batched_step_result = env.get_step_result("RealFakeBrain")
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n_agents = batched_step_result.n_agents()
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env.set_actions(
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"RealFakeBrain", np.zeros((n_agents, spec.action_size), dtype=np.float32)
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)
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env.step()
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with pytest.raises(UnityActionException):
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env.set_actions(
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"RealFakeBrain",
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np.zeros((n_agents - 1, spec.action_size), dtype=np.float32),
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)
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batched_step_result = env.get_step_result("RealFakeBrain")
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n_agents = batched_step_result.n_agents()
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env.set_actions(
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"RealFakeBrain", -1 * np.ones((n_agents, spec.action_size), dtype=np.float32)
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)
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env.step()
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env.close()
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assert isinstance(batched_step_result, BatchedStepResult)
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assert len(spec.observation_shapes) == len(batched_step_result.obs)
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for shape, obs in zip(spec.observation_shapes, batched_step_result.obs):
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assert (n_agents,) + shape == obs.shape
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assert not batched_step_result.done[0]
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assert batched_step_result.done[2]
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@mock.patch("mlagents_envs.environment.UnityEnvironment.executable_launcher")
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@mock.patch("mlagents_envs.environment.UnityEnvironment.get_communicator")
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def test_close(mock_communicator, mock_launcher):
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comm = MockCommunicator(discrete_action=False, visual_inputs=0)
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mock_communicator.return_value = comm
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env = UnityEnvironment(" ")
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assert env._loaded
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env.close()
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assert not env._loaded
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assert comm.has_been_closed
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def test_returncode_to_signal_name():
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assert UnityEnvironment.returncode_to_signal_name(-2) == "SIGINT"
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assert UnityEnvironment.returncode_to_signal_name(42) is None
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assert UnityEnvironment.returncode_to_signal_name("SIGINT") is None
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if __name__ == "__main__":
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pytest.main()
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