Adding a test for BufferSensor

com.unity.ml-agents/Tests/Editor/Sensor/BufferSensorTest.cs

+using System;
+using NUnit.Framework;
+using UnityEngine;
+using Unity.MLAgents.Sensors;
+
+namespace Unity.MLAgents.Tests
+{
+
+    [TestFixture]
+    public class BufferSensorTest
+    {
+        [Test]
+        public void TestBufferSensor()
+        {
+
+            var bufferSensor = new BufferSensor(20, 4);
+            var shape = bufferSensor.GetObservationShape();
+            var dimProp = bufferSensor.GetDimensionProperties();
+            Assert.AreEqual(shape[0], 20);
+            Assert.AreEqual(shape[1], 4);
+            Assert.AreEqual(shape.Length, 2);
+            Assert.AreEqual(dimProp[0], DimensionProperty.VariableSize);
+            Assert.AreEqual(dimProp[1], DimensionProperty.None);
+            Assert.AreEqual(dimProp.Length, 2);
+
+            bufferSensor.AppendObservation(new float[] { 1, 2, 3, 4 });
+            bufferSensor.AppendObservation(new float[] { 5, 6, 7, 8 });
+
+            var obsWriter = new ObservationWriter();
+            var obs = bufferSensor.GetObservationProto(obsWriter);
+
+            Assert.AreEqual(shape, obs.Shape);
+            Assert.AreEqual(obs.DimensionProperties.Count, 2);
+            Assert.AreEqual((int)dimProp[0], obs.DimensionProperties[0]);
+            Assert.AreEqual((int)dimProp[1], obs.DimensionProperties[1]);
+
+            for (int i = 0; i < 8; i++)
+            {
+                Assert.AreEqual(obs.FloatData.Data[i], i + 1);
+
+            }
+            for (int i = 8; i < 80; i++)
+            {
+                Assert.AreEqual(obs.FloatData.Data[i], 0);
+
+            }
+        }
+
+        [Test]
+        public void TestBufferSensorComponent()
+        {
+            var agentGameObj = new GameObject("agent");
+            var bufferComponent = agentGameObj.AddComponent<BufferSensorComponent>();
+            bufferComponent.MaxNumObservables = 20;
+            bufferComponent.ObservableSize = 4;
+
+            var sensor = bufferComponent.CreateSensor();
+            var shape = bufferComponent.GetObservationShape();
+
+            Assert.AreEqual(shape[0], 20);
+            Assert.AreEqual(shape[1], 4);
+            Assert.AreEqual(shape.Length, 2);
+
+            bufferComponent.AppendObservation(new float[] { 1, 2, 3, 4 });
+            bufferComponent.AppendObservation(new float[] { 5, 6, 7, 8 });
+
+            var obsWriter = new ObservationWriter();
+            var obs = sensor.GetObservationProto(obsWriter);
+
+            Assert.AreEqual(shape, obs.Shape);
+            Assert.AreEqual(obs.DimensionProperties.Count, 2);
+
+            for (int i = 0; i < 8; i++)
+            {
+                Assert.AreEqual(obs.FloatData.Data[i], i + 1);
+
+            }
+            for (int i = 8; i < 80; i++)
+            {
+                Assert.AreEqual(obs.FloatData.Data[i], 0);
+
+            }
+        }
+
+    }
+}

com.unity.ml-agents/Tests/Editor/Sensor/BufferSensorTest.cs.meta

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