Weighing: Add Gassner scale and update tests

Tests/WeighingTests/MockScale.cs

@@ -1,6 +1,7 @@
 using System.Net.Sockets;
 using System.Net;
 using System.Text;
+using System.IO;
 
 namespace Tests.WeighingTests {
     public abstract class MockScale : IDisposable {
@@ -63,9 +64,46 @@ namespace Tests.WeighingTests {
     }
 
     public class EventMockScale : MockScale {
+
+        private readonly Func<int, string?, int, (string, bool)> Handler;
+        private readonly Thread ServerThread;
+        private TcpClient? Client;
+        private bool IsRunning = true;
+
         public EventMockScale(int port, Func<int, string?, int, (string, bool)> handler) :
             base(port) {
-            // TODO
+            Handler = handler;
+            ServerThread = new Thread(new ParameterizedThreadStart(Serve));
+            ServerThread.Start();
+        }
+
+        private async void Serve(object? parameters) {
+            while (IsRunning) {
+                try {
+                    Client = await Server.AcceptTcpClientAsync();
+                } catch (Exception) {
+                    // ignore
+                }
+            }
+        }
+
+        public async Task Weigh(int weight) {
+            Weight = weight;
+            await Weigh();
+        }
+
+        public async Task Weigh() {
+            var (res, inc) = Handler(Weight, Error, IdentNr + 1);
+            if (inc) IdentNr++;
+            await Client!.GetStream().WriteAsync(Encoding.ASCII.GetBytes(res));
+        }
+
+        public new void Dispose() {
+            Client?.Dispose();
+            IsRunning = false;
+            ServerThread.Interrupt();
+            ServerThread.Join();
+            base.Dispose();
         }
     }
 }

Tests/WeighingTests/ScaleTestBadenL320.cs

@@ -0,0 +1,70 @@
+using Elwig.Helpers.Weighing;
+
+namespace Tests.WeighingTests {
+    [TestFixture]
+    public class ScaleTestBadenL320 {
+
+        private EventMockScale? Mock;
+        private AveryEventScale? Scale;
+
+        private static (string, bool) ScaleHandler(int weight, string? error, int identNr) {
+            var modes = error?.Split(';') ?? [];
+            var invalid = modes.Contains("invalid");
+            var unit = modes.Contains("unit");
+
+            if (invalid) {
+                return ("abcd\r\n", false);
+            }
+
+            bool incr = true;
+            return ($" {new DateTime(2020, 9, 28, 9, 8, 0):dd.MM.yy HH:mm} {identNr,4} {weight,9}{(unit ? "lb" : "kg")} \r\n", incr);
+        }
+
+        [OneTimeSetUp]
+        public void SetupScale() {
+            Mock = new EventMockScale(12345, ScaleHandler);
+            Scale = new("1", "L320", "tcp://127.0.0.1:12345");
+        }
+
+        [OneTimeTearDown]
+        public void TeardownScale() {
+            Mock?.Dispose();
+            Scale?.Dispose();
+        }
+
+        [SetUp]
+        public void ResetScale() {
+            Mock!.IdentNr = 0;
+            Mock!.Weight = 0;
+            Mock!.Error = null;
+        }
+
+        [Test]
+        public async Task Test_01_Normal() {
+            WeighingResult? res = null;
+            Scale!.WeighingEvent += (sender, evt) => {
+                res = evt.Result;
+            };
+
+            await Mock!.Weigh(2345);
+            await Task.Delay(100);
+            Assert.That(res, Is.Not.Null);
+            Assert.That(res, Is.EqualTo(new WeighingResult {
+                Weight = 2345, WeighingId = "1",
+                FullWeighingId = $"2020-09-28/1",
+                Date = new DateOnly(2020, 9, 28), Time = new TimeOnly(9, 8),
+            }));
+
+            await Mock!.Weigh(4215);
+            await Task.Delay(100);
+            Assert.That(res, Is.Not.Null);
+            Assert.That(res, Is.EqualTo(new WeighingResult {
+                Weight = 4215,
+                WeighingId = "2",
+                FullWeighingId = $"2020-09-28/2",
+                Date = new DateOnly(2020, 9, 28),
+                Time = new TimeOnly(9, 8),
+            }));
+        }
+    }
+}

Tests/WeighingTests/ScaleTestGrInzersdorfL246.cs

@@ -0,0 +1,144 @@
+using Elwig.Helpers.Weighing;
+
+namespace Tests.WeighingTests {
+    [TestFixture]
+    class ScaleTestGrInzersdorfL246 {
+
+        private MockScale? Mock;
+        private SysTecITScale? Scale;
+
+        private static (string, bool) ScaleHandler(string req, int weight, string? error, int identNr) {
+            var modes = error?.Split(';') ?? [];
+            var overloaded = modes.Contains("overloaded");
+            var moving = modes.Contains("moving");
+            var invalid = modes.Contains("invalid");
+            var crc = modes.Contains("crc");
+            var unit = modes.Contains("unit");
+
+            if (invalid) {
+                return ("abcd\r\n", false);
+            } else if (!req.StartsWith('<') || !req.EndsWith('>')) {
+                return ("<31>\r\n", false);
+            }
+            req = req[1..^1];
+
+            bool incr;
+            if (req.Length > 3) {
+                return ("<32>\r\n", false);
+            } else if (req.StartsWith("RN")) {
+                incr = true;
+            } else if (req.StartsWith("RM")) {
+                incr = false;
+            } else {
+                return ("<32>\r\n", false);
+            }
+
+            if (overloaded)
+                return ("<12>\r\n", false);
+
+            if (moving && incr)
+                return ("<13>\r\n", false);
+
+            string data = $"00{(moving ? 1 : 0)}0{new DateTime(2020, 10, 17, 14, 23, 0):dd.MM.yyHH:mm}{(incr ? identNr : 0),4}1" +
+                $"{weight,8}{0,8}{weight,8}{(unit ? "lb" : "kg")}   {"001",3}";
+            ushort checksum = Elwig.Helpers.Utils.CalcCrc16Modbus(data);
+            if (crc) checksum += 10;
+            return ($"<{data}{checksum,8}>\r\n", incr);
+        }
+
+        [OneTimeSetUp]
+        public void SetupScale() {
+            Mock = new CommandMockScale(12345, ScaleHandler);
+            Scale = new("1", "L246", "tcp://127.0.0.1:12345");
+        }
+
+        [OneTimeTearDown]
+        public void TeardownScale() {
+            Mock?.Dispose();
+            Scale?.Dispose();
+        }
+
+        [SetUp]
+        public void ResetScale() {
+            Mock!.IdentNr = 0;
+            Mock!.Weight = 0;
+            Mock!.Error = null;
+        }
+
+        [Test]
+        public async Task Test_01_CurrentWeight() {
+            Mock!.Weight = 1235;
+            Assert.That(await Scale!.GetCurrentWeight(), Is.EqualTo(new WeighingResult {
+                Weight = 1235, Date = new DateOnly(2020, 10, 17), Time = new TimeOnly(14, 23),
+            }));
+            Mock!.Weight = 1240;
+            Assert.That(await Scale!.GetCurrentWeight(), Is.EqualTo(new WeighingResult {
+                Weight = 1240, Date = new DateOnly(2020, 10, 17), Time = new TimeOnly(14, 23),
+            }));
+            Mock!.Weight = 1245;
+            Assert.That(await Scale!.GetCurrentWeight(), Is.EqualTo(new WeighingResult {
+                Weight = 1245, Date = new DateOnly(2020, 10, 17), Time = new TimeOnly(14, 23),
+            }));
+        }
+
+        [Test]
+        public async Task Test_02_Normal() {
+            Mock!.Weight = 1235;
+            Assert.That(await Scale!.Weigh(), Is.EqualTo(new WeighingResult {
+                Weight = 1235, WeighingId = "1",
+                FullWeighingId = $"2020-10-17/1",
+                Date = new DateOnly(2020, 10, 17), Time = new TimeOnly(14, 23),
+            }));
+            Mock!.Weight = 3335;
+            Assert.That(await Scale!.Weigh(), Is.EqualTo(new WeighingResult {
+                Weight = 3335, WeighingId = "2",
+                FullWeighingId = $"2020-10-17/2",
+                Date = new DateOnly(2020, 10, 17), Time = new TimeOnly(14, 23),
+            }));
+            Mock!.Weight = 6420;
+            Assert.That(await Scale!.Weigh(), Is.EqualTo(new WeighingResult {
+                Weight = 6420, WeighingId = "3",
+                FullWeighingId = $"2020-10-17/3",
+                Date = new DateOnly(2020, 10, 17), Time = new TimeOnly(14, 23),
+            }));
+        }
+
+        [Test]
+        public void Test_03_Moving() {
+            Mock!.Weight = 1_000;
+            Mock!.Error = "moving";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await Scale!.Weigh());
+            Assert.That(ex.Message, Contains.Substring("Waage in Bewegung"));
+        }
+
+        [Test]
+        public void Test_04_Overloaded() {
+            Mock!.Weight = 10_000;
+            Mock!.Error = "overloaded";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await Scale!.Weigh());
+            Assert.That(ex.Message, Contains.Substring("Waage in Überlast"));
+        }
+
+        [Test]
+        public void Test_05_InvalidResponse() {
+            Mock!.Weight = 1_000;
+            Mock!.Error = "invalid";
+            Assert.ThrowsAsync<IOException>(async () => await Scale!.Weigh());
+        }
+
+        [Test]
+        public void Test_06_InvalidCrc() {
+            Mock!.Weight = 1_000;
+            Mock!.Error = "crc";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await Scale!.Weigh());
+            Assert.That(ex.Message, Contains.Substring("Invalid CRC16 checksum"));
+        }
+
+        [Test]
+        public void Test_07_InvalidUnit() {
+            Mock!.Weight = 1_000;
+            Mock!.Error = "unit";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await Scale!.Weigh());
+        }
+    }
+}

Tests/WeighingTests/ScaleTestHaugsdorf.cs

@@ -1,6 +1,6 @@
 namespace Tests.WeighingTests {
     [TestFixture]
-    public class ScaleTestWolkersdorf {
+    public class ScaleTestHaugsdorf {
         // TODO
     }
 }

Tests/WeighingTests/ScaleTestMatzenIT3000A.cs

@@ -2,7 +2,7 @@
 
 namespace Tests.WeighingTests {
     [TestFixture]
-    class ScaleTestMatzen {
+    class ScaleTestMatzenIT3000A {
 
         private MockScale? Mock;
         private SysTecITScale? Scale;
@@ -43,7 +43,7 @@ namespace Tests.WeighingTests {
                 return ("<13>\r\n", false);
 
             string data = $"00{(moving ? 1 : 0)}0{new DateTime(2020, 10, 15, 12, 34, 0):dd.MM.yyHH:mm}{(incr ? identNr : 0),4}1" +
-                $"{weight,8}{0,8}{weight,8}{(unit ? "lb" : "kg")}   {1,3}";
+                $"{weight,8}{0,8}{weight,8}{(unit ? "lb" : "kg")}   {"1",3}";
             ushort checksum = Elwig.Helpers.Utils.CalcCrc16Modbus(data);
             if (crc) checksum += 10;
             return ($"<{data}{checksum,8}>\r\n", incr);

Tests/WeighingTests/ScaleTestSitzendorf.cs

@@ -1,6 +1,6 @@
 namespace Tests.WeighingTests {
     [TestFixture]
-    public class ScaleTestGrInzersdorf {
+    public class ScaleTestSitzendorf {
         // TODO
     }
 }

Tests/WeighingTests/ScaleTestWolkersdorfIT6000E.cs

@@ -0,0 +1,163 @@
+using Elwig.Helpers.Weighing;
+
+namespace Tests.WeighingTests {
+    [TestFixture]
+    class ScaleTestWolkersdorfIT6000E {
+
+        private MockScale? MockA;
+        private MockScale? MockB;
+        private SysTecITScale? ScaleA;
+        private SysTecITScale? ScaleB;
+
+        private static (string, bool) ScaleHandler(string req, int weight, string? error, int identNr, string terminalNr) {
+            var modes = error?.Split(';') ?? [];
+            var overloaded = modes.Contains("overloaded");
+            var moving = modes.Contains("moving");
+            var invalid = modes.Contains("invalid");
+            var crc = modes.Contains("crc");
+            var unit = modes.Contains("unit");
+
+            if (invalid) {
+                return ("abcd\r\n", false);
+            } else if (!req.StartsWith('<') || !req.EndsWith('>')) {
+                return ("<31>\r\n", false);
+            }
+            req = req[1..^1];
+
+            bool incr;
+            if (req.Length > 3) {
+                return ("<32>\r\n", false);
+            } else if (req.StartsWith("RN")) {
+                incr = true;
+            } else if (req.StartsWith("RM")) {
+                incr = false;
+            } else {
+                return ("<32>\r\n", false);
+            }
+
+            if (overloaded)
+                return ("<12>\r\n", false);
+
+            if (moving && incr)
+                return ("<13>\r\n", false);
+
+            string data = $"00{(moving ? 1 : 0)}0{new DateTime(2020, 10, 8, 8, 47, 0):dd.MM.yyHH:mm}{(incr ? identNr : 0),4}1" +
+                $"{weight,8}{0,8}{weight,8}{(unit ? "lb" : "kg")}   {terminalNr,3}";
+            ushort checksum = Elwig.Helpers.Utils.CalcCrc16Modbus(data);
+            if (crc) checksum += 10;
+            return ($"<{data}{checksum,8}>\r\n", incr);
+        }
+
+        [OneTimeSetUp]
+        public void SetupScale() {
+            MockA = new CommandMockScale(12345, (req, weight, error, identNr) => ScaleHandler(req, weight, error, identNr, "A"));
+            MockB = new CommandMockScale(12346, (req, weight, error, identNr) => ScaleHandler(req, weight, error, identNr, "B"));
+            ScaleA = new("A", "IT3000E", "tcp://127.0.0.1:12345");
+            ScaleB = new("B", "IT3000E", "tcp://127.0.0.1:12346");
+        }
+
+        [OneTimeTearDown]
+        public void TeardownScale() {
+            MockA?.Dispose();
+            MockB?.Dispose();
+            ScaleA?.Dispose();
+            ScaleB?.Dispose();
+        }
+
+        [SetUp]
+        public void ResetScale() {
+            MockA!.IdentNr = 0;
+            MockA!.Weight = 0;
+            MockA!.Error = null;
+            MockB!.IdentNr = 0;
+            MockB!.Weight = 0;
+            MockB!.Error = null;
+        }
+
+        [Test]
+        public async Task Test_01_CurrentWeight() {
+            MockA!.Weight = 1234;
+            Assert.That(await ScaleA!.GetCurrentWeight(), Is.EqualTo(new WeighingResult {
+                Weight = 1234, Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+            MockB!.Weight = 3456;
+            Assert.That(await ScaleB!.GetCurrentWeight(), Is.EqualTo(new WeighingResult {
+                Weight = 3456, Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+            MockA!.Weight = 1236;
+            Assert.That(await ScaleA!.GetCurrentWeight(), Is.EqualTo(new WeighingResult {
+                Weight = 1236, Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+            MockB!.Weight = 3457;
+            Assert.That(await ScaleB!.GetCurrentWeight(), Is.EqualTo(new WeighingResult {
+                Weight = 3457, Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+        }
+
+        [Test]
+        public async Task Test_02_Normal() {
+            MockA!.Weight = 1234;
+            Assert.That(await ScaleA!.Weigh(), Is.EqualTo(new WeighingResult {
+                Weight = 1234, WeighingId = "1",
+                FullWeighingId = $"2020-10-08/1",
+                Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+            MockB!.Weight = 3456;
+            Assert.That(await ScaleB!.Weigh(), Is.EqualTo(new WeighingResult {
+                Weight = 3456, WeighingId = "1",
+                FullWeighingId = $"2020-10-08/1",
+                Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+            MockA!.Weight = 4321;
+            Assert.That(await ScaleA!.Weigh(), Is.EqualTo(new WeighingResult {
+                Weight = 4321, WeighingId = "2",
+                FullWeighingId = $"2020-10-08/2",
+                Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+            MockB!.Weight = 3333;
+            Assert.That(await ScaleB!.Weigh(), Is.EqualTo(new WeighingResult {
+                Weight = 3333, WeighingId = "2",
+                FullWeighingId = $"2020-10-08/2",
+                Date = new DateOnly(2020, 10, 8), Time = new TimeOnly(8, 47),
+            }));
+        }
+
+        [Test]
+        public void Test_03_Moving() {
+            MockA!.Weight = 1_000;
+            MockA!.Error = "moving";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await ScaleA!.Weigh());
+            Assert.That(ex.Message, Contains.Substring("Waage in Bewegung"));
+        }
+
+        [Test]
+        public void Test_04_Overloaded() {
+            MockA!.Weight = 10_000;
+            MockA!.Error = "overloaded";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await ScaleA!.Weigh());
+            Assert.That(ex.Message, Contains.Substring("Waage in Überlast"));
+        }
+
+        [Test]
+        public void Test_05_InvalidResponse() {
+            MockA!.Weight = 1_000;
+            MockA!.Error = "invalid";
+            Assert.ThrowsAsync<IOException>(async () => await ScaleA!.Weigh());
+        }
+
+        [Test]
+        public void Test_06_InvalidCrc() {
+            MockA!.Weight = 1_000;
+            MockA!.Error = "crc";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await ScaleA!.Weigh());
+            Assert.That(ex.Message, Contains.Substring("Invalid CRC16 checksum"));
+        }
+
+        [Test]
+        public void Test_07_InvalidUnit() {
+            MockA!.Weight = 1_000;
+            MockA!.Error = "unit";
+            IOException ex = Assert.ThrowsAsync<IOException>(async () => await ScaleA!.Weigh());
+        }
+    }
+}