/// <summary>
/// Create a plc that will connect to localhost (Snap 7 server) and connect to it
/// </summary>
public S7NetTests()
{
plc = new Plc(CpuType.S7300, "127.0.0.1", 0, 2);
//ConsoleManager.Show();
ShutDownServiceS7oiehsx64();
S7TestServer.Start();
plc.Open();
}
public void T24_IsAvailableReturnsFalseIfIPAddressIsNotReachable()
{
plc.Close();
S7TestServer.Stop();
var unreachablePlc = new Plc(CpuType.S7300, "255.255.255.255", 0, 2);
Assert.IsFalse(unreachablePlc.IsAvailable);
}
public void T25_IsAvailableReturnsTrueIfIPAddressIsReachable()
{
plc.Close();
S7TestServer.Stop();
S7TestServer.Start(TestServerPort);
var reachablePlc = CreatePlc();
Assert.IsTrue(reachablePlc.IsAvailable);
}
public void T25_IsAvailableReturnsTrueIfIPAddressIsReachable()
{
plc.Close();
S7TestServer.Stop();
S7TestServer.Start();
var reachablePlc = new Plc(CpuType.S7300, "127.0.0.1", 0, 2);
Assert.IsTrue(reachablePlc.IsAvailable);
}
public void T29_Read_Write_ThrowsWhenPlcIsNotReachable()
{
// leave plc Open
S7TestServer.Stop();
double test_value = 55.66;
plc.Write("DB1.DBD0", test_value);
var helper = plc.Read("DB1.DBD0");
Assert.AreEqual(helper, null, "Value in Read.");
}
public void T29_Read_Write_ExceptionHandlingWhenPlcIsNotReachable()
{
// leave plc Open
S7TestServer.Stop();
double test_value = 55.66;
plc.Write("DB1.DBD0", test_value);
Assert.AreEqual(plc.LastErrorCode, ErrorCode.WriteData, "No Write Error.");
var helper = plc.Read("DB1.DBD0");
Assert.AreEqual(helper, null, "Value in Read.");
Assert.AreEqual(plc.LastErrorCode, ErrorCode.ReadData, "No Read Error.");
}
public void TearDown()
{
plc.Close();
S7TestServer.Stop();
}
public void Setup()
{
S7TestServer.Start(TestServerPort);
plc.Open();
}
public void SetupAsync()
{
S7TestServer.Start();
plc.Open();
}
