Unity 机器学习代理工具包 (ML-Agents) 是一个开源项目,它使游戏和模拟能够作为训练智能代理的环境。
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using System.Linq;
using NUnit.Framework;
using UnityEngine;
using UnityEditor;
using Unity.Barracuda;
using Unity.MLAgents.Actuators;
using Unity.MLAgents.Inference;
using Unity.MLAgents.Policies;
namespace Unity.MLAgents.Tests
{
[TestFixture]
public class ModelRunnerTest
{
const string k_continuousONNXPath = "Packages/com.unity.ml-agents/Tests/Editor/TestModels/continuous2vis8vec2action.onnx";
const string k_discreteONNXPath = "Packages/com.unity.ml-agents/Tests/Editor/TestModels/discrete1vis0vec_2_3action_recurr.onnx";
const string k_hybridONNXPath = "Packages/com.unity.ml-agents/Tests/Editor/TestModels/hybrid0vis53vec_3c_2daction.onnx";
const string k_continuousNNPath = "Packages/com.unity.ml-agents/Tests/Editor/TestModels/continuous2vis8vec2action_deprecated.nn";
const string k_discreteNNPath = "Packages/com.unity.ml-agents/Tests/Editor/TestModels/discrete1vis0vec_2_3action_recurr_deprecated.nn";
NNModel continuousONNXModel;
NNModel discreteONNXModel;
NNModel hybridONNXModel;
NNModel continuousNNModel;
NNModel discreteNNModel;
Test3DSensorComponent sensor_21_20_3;
Test3DSensorComponent sensor_20_22_3;
ActionSpec GetContinuous2vis8vec2actionActionSpec()
{
return ActionSpec.MakeContinuous(2);
}
ActionSpec GetDiscrete1vis0vec_2_3action_recurrModelActionSpec()
{
return ActionSpec.MakeDiscrete(2, 3);
}
ActionSpec GetHybrid0vis53vec_3c_2dActionSpec()
{
return new ActionSpec(3, new int[] { 2 });
}
[SetUp]
public void SetUp()
{
continuousONNXModel = (NNModel)AssetDatabase.LoadAssetAtPath(k_continuousONNXPath, typeof(NNModel));
discreteONNXModel = (NNModel)AssetDatabase.LoadAssetAtPath(k_discreteONNXPath, typeof(NNModel));
hybridONNXModel = (NNModel)AssetDatabase.LoadAssetAtPath(k_hybridONNXPath, typeof(NNModel));
continuousNNModel = (NNModel)AssetDatabase.LoadAssetAtPath(k_continuousNNPath, typeof(NNModel));
discreteNNModel = (NNModel)AssetDatabase.LoadAssetAtPath(k_discreteNNPath, typeof(NNModel));
var go = new GameObject("SensorA");
sensor_21_20_3 = go.AddComponent<Test3DSensorComponent>();
sensor_21_20_3.Sensor = new Test3DSensor("SensorA", 21, 20, 3);
sensor_20_22_3 = go.AddComponent<Test3DSensorComponent>();
sensor_20_22_3.Sensor = new Test3DSensor("SensorB", 20, 22, 3);
}
[Test]
public void TestModelExist()
{
Assert.IsNotNull(continuousONNXModel);
Assert.IsNotNull(discreteONNXModel);
Assert.IsNotNull(hybridONNXModel);
Assert.IsNotNull(continuousNNModel);
Assert.IsNotNull(discreteNNModel);
}
[Test]
public void TestCreation()
{
var modelRunner = new ModelRunner(continuousONNXModel, GetContinuous2vis8vec2actionActionSpec());
modelRunner.Dispose();
modelRunner = new ModelRunner(discreteONNXModel, GetDiscrete1vis0vec_2_3action_recurrModelActionSpec());
modelRunner.Dispose();
modelRunner = new ModelRunner(hybridONNXModel, GetHybrid0vis53vec_3c_2dActionSpec());
modelRunner.Dispose();
modelRunner = new ModelRunner(continuousNNModel, GetContinuous2vis8vec2actionActionSpec());
modelRunner.Dispose();
modelRunner = new ModelRunner(discreteNNModel, GetDiscrete1vis0vec_2_3action_recurrModelActionSpec());
modelRunner.Dispose();
}
[Test]
public void TestHasModel()
{
var modelRunner = new ModelRunner(continuousONNXModel, GetContinuous2vis8vec2actionActionSpec(), InferenceDevice.CPU);
Assert.True(modelRunner.HasModel(continuousONNXModel, InferenceDevice.CPU));
Assert.False(modelRunner.HasModel(continuousONNXModel, InferenceDevice.GPU));
Assert.False(modelRunner.HasModel(discreteONNXModel, InferenceDevice.CPU));
modelRunner.Dispose();
}
[Test]
public void TestRunModel()
{
var actionSpec = GetDiscrete1vis0vec_2_3action_recurrModelActionSpec();
var modelRunner = new ModelRunner(discreteONNXModel, actionSpec);
var info1 = new AgentInfo();
info1.episodeId = 1;
modelRunner.PutObservations(info1, new[] { sensor_21_20_3.CreateSensor() }.ToList());
var info2 = new AgentInfo();
info2.episodeId = 2;
modelRunner.PutObservations(info2, new[] { sensor_21_20_3.CreateSensor() }.ToList());
modelRunner.DecideBatch();
Assert.IsFalse(modelRunner.GetAction(1).Equals(ActionBuffers.Empty));
Assert.IsFalse(modelRunner.GetAction(2).Equals(ActionBuffers.Empty));
Assert.IsTrue(modelRunner.GetAction(3).Equals(ActionBuffers.Empty));
Assert.AreEqual(actionSpec.NumDiscreteActions, modelRunner.GetAction(1).DiscreteActions.Length);
modelRunner.Dispose();
}
}
}