Started working on getting the basic communications with the scope working.

Working on routines to get and set the date and time in the handbox.
2019-04-29 00:06:56 +01:00
parent f2f4b05911
commit da6b7ec55f
19 changed files with 746 additions and 79 deletions
@@ -0,0 +1,151 @@
+using System.Collections.Generic;
+using ASCOM;
+using ASCOM.MeadeAutostar497.Controller;
+using ASCOM.Utilities;
+using ASCOM.Utilities.Interfaces;
+using Moq;
+using NUnit.Framework;
+
+namespace MeadeAutostar497.UnitTests
+{
+    [TestFixture]
+    public class TelescopeControllerUnitTests
+    {
+        private Mock<ISerial> serialMock;
+
+        private readonly List<string> _availableComPorts = new List<string> { "COM1", "COM2", "COM3" };
+        private TelescopeController _telescopeController;
+
+        private string transmittedString;
+        private string stringToRecieve;
+
+        [SetUp]
+        public void Setup()
+        {
+            transmittedString = string.Empty;
+            stringToRecieve = string.Empty;
+
+            serialMock = new Mock<ISerial>();
+            serialMock.SetupAllProperties();
+
+            serialMock.Setup(x => x.AvailableComPorts).Returns( () => _availableComPorts.ToArray());
+            serialMock.Setup(X => X.Transmit(It.IsAny<string>())).Callback<string>(str => { transmittedString = str; });
+            serialMock.Setup(X => X.Receive()).Returns(() => stringToRecieve);
+
+            _telescopeController = TelescopeController.Instance;
+            _telescopeController.SerialPort = serialMock.Object;
+        }
+
+        [TearDown]
+        public void TearDown()
+        {
+            _telescopeController.Connected = false;
+            _telescopeController.Port = "COM1";            
+        }
+
+        [Test]
+        public void ImplementsExpectedInterfaces()
+        {
+            Assert.That(_telescopeController, Is.Not.Null); 
+            Assert.That(_telescopeController, Is.AssignableTo<ITelescopeController>());
+        }
+
+        [Test]
+        public void NotConnectedByDefault()
+        {
+            Assert.That(_telescopeController.Connected, Is.False);
+        }
+
+        [Test]
+        public void ConnectedCanBeSetTrue()
+        {
+            stringToRecieve = "test#";
+
+            _telescopeController.Connected = true;
+            Assert.That(_telescopeController.Connected, Is.True);
+        }
+
+        [Test]
+        public void EnsureThatTheSerialCommunicationsAreSetCorrectly()
+        {
+            Assert.That(serialMock.Object.Connected, Is.False);
+
+            stringToRecieve = "test#";
+
+            _telescopeController.Connected = true;
+            Assert.That(_telescopeController.Connected, Is.True);
+
+            Assert.That(serialMock.Object.DTREnable, Is.False);
+            Assert.That(serialMock.Object.RTSEnable, Is.False);
+            Assert.That(serialMock.Object.Speed, Is.EqualTo(SerialSpeed.ps9600));
+            Assert.That(serialMock.Object.DataBits, Is.EqualTo(8));
+            Assert.That(serialMock.Object.StopBits, Is.EqualTo(SerialStopBits.One));
+            Assert.That(serialMock.Object.Parity, Is.EqualTo(SerialParity.None));
+            Assert.That(serialMock.Object.PortName, Is.EqualTo(_telescopeController.Port));
+            Assert.That(serialMock.Object.Connected, Is.True);
+        }
+
+        [Test]
+        public void WhenOpensComPortToNonAutostarThrowException()
+        {
+            Assert.That(serialMock.Object.Connected, Is.False);
+            var exception = Assert.Throws<InvalidOperationException>(() => { _telescopeController.Connected = true; });
+
+            Assert.That(exception.Message, Is.EqualTo("Failed to communicate with telescope."));
+
+            Assert.That(_telescopeController.Connected, Is.False);
+        }
+
+        [Test]
+        public void CannotChangeSerialPortObjectWhenConnected()
+        {
+            stringToRecieve = "test#";
+
+            _telescopeController.Connected = true;
+
+            Mock<ISerial> newSerialMock = new Mock<ISerial>();
+
+            var exception = Assert.Throws<InvalidOperationException>( () => { _telescopeController.SerialPort = newSerialMock.Object; });
+
+            Assert.That(exception, Is.Not.Null);
+            Assert.That(exception.Message, Is.EqualTo("Please disconnect before changing the serial engine."));
+        }
+
+        [Test]
+        public void PortIsSetToCom1ByDefault()
+        {
+            Assert.That(_telescopeController.Port, Is.EqualTo("COM1"));
+        }
+
+        [Test]
+        public void SettingPortToValidPortAllowed()
+        {   
+            _telescopeController.Port = "COM2";
+
+            Assert.That(_telescopeController.Port, Is.EqualTo("COM2"));
+        }
+
+        [Test]
+        public void SettingPortToValidPortWhenConnectedFails()
+        {
+            stringToRecieve = "test#";
+
+            _telescopeController.Connected = true;
+            var exception = Assert.Throws<InvalidOperationException>( () => _telescopeController.Port = "COM2");
+
+            Assert.That(exception.Message, Is.EqualTo("Please disconnect from the scope before changing port."));
+
+            Assert.That(_telescopeController.Port, Is.EqualTo("COM1")); //port hasn't changed
+        }
+
+        [Test]
+        public void SettingPortToInavalidPortFails()
+        {
+            var exception = Assert.Throws<InvalidOperationException>(() => _telescopeController.Port = "COM5");
+
+            Assert.That(exception.Message, Is.EqualTo("Unable to select port COM5 as it does not exist."));
+
+            Assert.That(_telescopeController.Port, Is.EqualTo("COM1")); //port hasn't changed
+        }
+    }
+}