File size: 7,398 Bytes
05c9ac2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
using System;
using NUnit.Framework;
using System.Collections.Generic;
using System.Text;
using Unity.MLAgents.SideChannels;

namespace Unity.MLAgents.Tests
{
    public class SideChannelTests
    {
        // This test side channel only deals in integers
        public class TestSideChannel : SideChannel
        {
            public List<int> messagesReceived = new List<int>();

            public TestSideChannel()
            {
                ChannelId = new Guid("6afa2c06-4f82-11ea-b238-784f4387d1f7");
            }

            protected override void OnMessageReceived(IncomingMessage msg)
            {
                messagesReceived.Add(msg.ReadInt32());
            }

            public void SendInt(int value)
            {
                using (var msg = new OutgoingMessage())
                {
                    msg.WriteInt32(value);
                    QueueMessageToSend(msg);
                }
            }
        }

        [Test]
        public void TestIntegerSideChannel()
        {
            var intSender = new TestSideChannel();
            var intReceiver = new TestSideChannel();
            var dictSender = new Dictionary<Guid, SideChannel> { { intSender.ChannelId, intSender } };
            var dictReceiver = new Dictionary<Guid, SideChannel> { { intReceiver.ChannelId, intReceiver } };

            intSender.SendInt(4);
            intSender.SendInt(5);
            intSender.SendInt(6);

            byte[] fakeData = SideChannelManager.GetSideChannelMessage(dictSender);
            SideChannelManager.ProcessSideChannelData(dictReceiver, fakeData);

            Assert.AreEqual(intReceiver.messagesReceived[0], 4);
            Assert.AreEqual(intReceiver.messagesReceived[1], 5);
            Assert.AreEqual(intReceiver.messagesReceived[2], 6);
        }

        [Test]
        public void TestRawBytesSideChannel()
        {
            var str1 = "Test string";
            var str2 = "Test string, second";

            var strSender = new RawBytesChannel(new Guid("9a5b8954-4f82-11ea-b238-784f4387d1f7"));
            var strReceiver = new RawBytesChannel(new Guid("9a5b8954-4f82-11ea-b238-784f4387d1f7"));
            var dictSender = new Dictionary<Guid, SideChannel> { { strSender.ChannelId, strSender } };
            var dictReceiver = new Dictionary<Guid, SideChannel> { { strReceiver.ChannelId, strReceiver } };

            strSender.SendRawBytes(Encoding.ASCII.GetBytes(str1));
            strSender.SendRawBytes(Encoding.ASCII.GetBytes(str2));

            byte[] fakeData = SideChannelManager.GetSideChannelMessage(dictSender);
            SideChannelManager.ProcessSideChannelData(dictReceiver, fakeData);

            var messages = strReceiver.GetAndClearReceivedMessages();

            Assert.AreEqual(messages.Count, 2);
            Assert.AreEqual(Encoding.ASCII.GetString(messages[0]), str1);
            Assert.AreEqual(Encoding.ASCII.GetString(messages[1]), str2);
        }

        [Test]
        public void TestFloatPropertiesSideChannel()
        {
            var k1 = "gravity";
            var k2 = "length";
            int wasCalled = 0;

            var propA = new FloatPropertiesChannel();
            var propB = new FloatPropertiesChannel();
            var dictReceiver = new Dictionary<Guid, SideChannel> { { propA.ChannelId, propA } };
            var dictSender = new Dictionary<Guid, SideChannel> { { propB.ChannelId, propB } };

            propA.RegisterCallback(k1, f => { wasCalled++; });
            var tmp = propB.GetWithDefault(k2, 3.0f);
            Assert.AreEqual(tmp, 3.0f);
            propB.Set(k2, 1.0f);
            tmp = propB.GetWithDefault(k2, 3.0f);
            Assert.AreEqual(tmp, 1.0f);

            byte[] fakeData = SideChannelManager.GetSideChannelMessage(dictSender);
            SideChannelManager.ProcessSideChannelData(dictReceiver, fakeData);

            tmp = propA.GetWithDefault(k2, 3.0f);
            Assert.AreEqual(tmp, 1.0f);

            Assert.AreEqual(wasCalled, 0);
            propB.Set(k1, 1.0f);
            Assert.AreEqual(wasCalled, 0);
            fakeData = SideChannelManager.GetSideChannelMessage(dictSender);
            SideChannelManager.ProcessSideChannelData(dictReceiver, fakeData);
            Assert.AreEqual(wasCalled, 1);

            var keysA = propA.Keys();
            Assert.AreEqual(2, keysA.Count);
            Assert.IsTrue(keysA.Contains(k1));
            Assert.IsTrue(keysA.Contains(k2));

            var keysB = propA.Keys();
            Assert.AreEqual(2, keysB.Count);
            Assert.IsTrue(keysB.Contains(k1));
            Assert.IsTrue(keysB.Contains(k2));
        }

        [Test]
        public void TestOutgoingMessageRawBytes()
        {
            // Make sure that SetRawBytes resets the buffer correctly.
            // Write 8 bytes (an int and float) then call SetRawBytes with 4 bytes
            var msg = new OutgoingMessage();
            msg.WriteInt32(42);
            msg.WriteFloat32(1.0f);

            var data = new byte[] { 1, 2, 3, 4 };
            msg.SetRawBytes(data);

            var result = msg.ToByteArray();
            Assert.AreEqual(data, result);
        }

        [Test]
        public void TestMessageReadWrites()
        {
            var boolVal = true;
            var intVal = 1337;
            var floatVal = 4.2f;
            var floatListVal = new float[] { 1001, 1002 };
            var stringVal = "mlagents!";

            IncomingMessage incomingMsg;
            using (var outgoingMsg = new OutgoingMessage())
            {
                outgoingMsg.WriteBoolean(boolVal);
                outgoingMsg.WriteInt32(intVal);
                outgoingMsg.WriteFloat32(floatVal);
                outgoingMsg.WriteString(stringVal);
                outgoingMsg.WriteFloatList(floatListVal);

                incomingMsg = new IncomingMessage(outgoingMsg.ToByteArray());
            }

            Assert.AreEqual(boolVal, incomingMsg.ReadBoolean());
            Assert.AreEqual(intVal, incomingMsg.ReadInt32());
            Assert.AreEqual(floatVal, incomingMsg.ReadFloat32());
            Assert.AreEqual(stringVal, incomingMsg.ReadString());
            Assert.AreEqual(floatListVal, incomingMsg.ReadFloatList());
        }

        [Test]
        public void TestMessageReadDefaults()
        {
            // Make sure reading past the end of a message will apply defaults.
            IncomingMessage incomingMsg;
            using (var outgoingMsg = new OutgoingMessage())
            {
                incomingMsg = new IncomingMessage(outgoingMsg.ToByteArray());
            }

            Assert.AreEqual(false, incomingMsg.ReadBoolean());
            Assert.AreEqual(true, incomingMsg.ReadBoolean(defaultValue: true));

            Assert.AreEqual(0, incomingMsg.ReadInt32());
            Assert.AreEqual(42, incomingMsg.ReadInt32(defaultValue: 42));

            Assert.AreEqual(0.0f, incomingMsg.ReadFloat32());
            Assert.AreEqual(1337.0f, incomingMsg.ReadFloat32(defaultValue: 1337.0f));

            Assert.AreEqual(default(string), incomingMsg.ReadString());
            Assert.AreEqual("foo", incomingMsg.ReadString(defaultValue: "foo"));

            Assert.AreEqual(default(float[]), incomingMsg.ReadFloatList());
            Assert.AreEqual(new float[] { 1001, 1002 }, incomingMsg.ReadFloatList(new float[] { 1001, 1002 }));
        }
    }
}