test: Add test for reading PLC status

2026-02-17 22:38:27 +08:00 · 2023-08-01 22:50:50 +02:00
parent 54dadec75a
commit 9b1faa0123
1 changed files with 57 additions and 0 deletions
--- a/S7.Net.UnitTest/CommunicationTests/ReadPlcStatus.cs
+++ b/S7.Net.UnitTest/CommunicationTests/ReadPlcStatus.cs
@@ -0,0 +1,57 @@
+using System.Net;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using S7.Net.Protocol;
+
+namespace S7.Net.UnitTest.CommunicationTests;
+
+[TestClass]
+public class ReadPlcStatus
+{
+    [TestMethod]
+    public async Task Read_Status_Run()
+    {
+        var cs = new CommunicationSequence {
+            ConnectionOpenTemplates.ConnectionRequestConfirm,
+            ConnectionOpenTemplates.CommunicationSetup,
+            {
+                """
+                    // TPKT
+                    03 00 00 21
+
+                    // COTP
+                    02 f0 80
+
+                    // S7 SZL read
+                    32 07 00 00 PDU1 PDU2 00 08 00 08 00 01 12 04 11 44
+                    01 00 ff 09 00 04 04 24 00 00
+                """,
+                """
+                    // TPKT
+                    03 00 00 3d
+
+                    // COTP
+                    02 f0 80
+
+                    // S7 SZL response
+                    32 07 00 00 PDU1 PDU2 00 0c 00 20 00 01 12 08 12 84
+                    01 02 00 00 00 00 ff 09 00 1c 04 24 00 00 00 14
+                    00 01 51 44 ff 08 00 00 00 00 00 00 00 00 14 08
+                    20 12 05 28 34 94
+                """
+            }
+        };
+
+        async Task Client(int port)
+        {
+            var conn = new Plc(IPAddress.Loopback.ToString(), port, new TsapPair(new Tsap(1, 2), new Tsap(3, 4)));
+            await conn.OpenAsync();
+            var status = await conn.ReadStatusAsync();
+
+            Assert.AreEqual(0x08, status);
+            conn.Close();
+        }
+
+        await Task.WhenAll(cs.Serve(out var port), Client(port));
+    }
+}