public async Task ClientReconnectTest()
{
using (var server = new MiniTestServer())
{
server.Start();
using (var client = new ModbusClient(IPAddress.Loopback, server.Port))
{
await client.Connect();
await EnsureWait();
Assert.IsTrue(client.IsConnected);
await server.Stop();
await client.ReadHoldingRegisters(0, 0, 1);
await EnsureWait();
Assert.IsFalse(client.IsConnected);
server.Start();
await client.ConnectingTask;
await EnsureWait();
Assert.IsTrue(client.IsConnected);
}
}
}
public async Task ClientEventsTest()
{
int connectEvents = 0;
int disconnectEvents = 0;
using var server = new MiniTestServer();
server.Start();
using (var client = new ModbusClient(IPAddress.Loopback, server.Port, new ConsoleLogger()))
{
client.Connected += (sender, args) =>
{
connectEvents++;
};
client.Disconnected += (sender, args) =>
{
disconnectEvents++;
};
Assert.AreEqual(0, connectEvents, "No connet events");
Assert.AreEqual(0, disconnectEvents, "No disconnect events");
await client.Connect();
Assert.IsTrue(client.IsConnected, "Client should be connected");
await EnsureWait(); // get events raised
Assert.AreEqual(1, connectEvents, "One connect event");
Assert.AreEqual(0, disconnectEvents, "No disconnect events");
await server.Stop();
await EnsureWait(); // time to set all information
Assert.IsFalse(client.IsConnected, "Client should not be connected");
await EnsureWait(); // get events raised
Assert.AreEqual(1, connectEvents, "One connect event");
Assert.AreEqual(1, disconnectEvents, "One disconnect event");
server.Start();
await client.ConnectingTask;
Assert.IsTrue(client.IsConnected, "Client should be connected");
await EnsureWait(); // get events raised
Assert.AreEqual(2, connectEvents, "Two connect events");
}
await EnsureWait(); // get events raised
Assert.AreEqual(2, disconnectEvents, "Two disconnect events");
}
public async Task ClientEventsTest()
{
int connectEvents = 0;
int disconnectEvents = 0;
using (var server = new MiniTestServer())
{
server.Start();
using (var client = new ModbusClient(IPAddress.Loopback, server.Port, new ConsoleLogger()))
{
client.Connected += (sender, args) =>
{
connectEvents++;
};
client.Disconnected += (sender, args) =>
{
disconnectEvents++;
};
Assert.AreEqual(0, connectEvents);
Assert.AreEqual(0, disconnectEvents);
await client.Connect();
Assert.IsTrue(client.IsConnected);
await EnsureWait(); // get events raised
Assert.AreEqual(1, connectEvents);
Assert.AreEqual(0, disconnectEvents);
await server.Stop();
await client.ReadHoldingRegisters(0, 0, 1);
await EnsureWait(); // time to set all information
Assert.IsFalse(client.IsConnected);
await EnsureWait(); // get events raised
Assert.AreEqual(1, connectEvents);
Assert.AreEqual(1, disconnectEvents);
server.Start();
await client.ConnectingTask;
Assert.IsTrue(client.IsConnected);
}
await EnsureWait(); // get events raised
Assert.AreEqual(2, connectEvents);
Assert.AreEqual(2, disconnectEvents);
}
}
public async Task ClientReconnectTest()
{
using var server = new MiniTestServer();
server.Start();
using var client = new ModbusClient(IPAddress.Loopback, server.Port, new ConsoleLogger());
await client.Connect();
Assert.IsTrue(client.IsConnected, "Client should be connected");
await server.Stop();
await EnsureWait(); // time to start reconnect
Assert.IsFalse(client.IsConnected, "Client should not be connected");
server.Start();
await client.ConnectingTask;
Assert.IsTrue(client.IsConnected, "Client should be connected again");
}