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Added UnitTests for TCP

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This commit is contained in:
Andreas Müller
2024-02-28 21:59:34 +01:00
parent eedd1066e3
commit ab52d3a23a
11 changed files with 887 additions and 27 deletions
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124
AMWD.Protocols.Modbus.Tests/Tcp/ModbusTcpClientTest.cs Normal file
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using AMWD.Protocols.Modbus.Common.Contracts;
using AMWD.Protocols.Modbus.Tcp;
using Moq;
namespace AMWD.Protocols.Modbus.Tests.Tcp
{
[TestClass]
public class ModbusTcpClientTest
{
private Mock<IModbusConnection> _genericConnectionMock;
private Mock<ModbusTcpConnection> _tcpConnectionMock;
[TestInitialize]
public void Initialize()
{
_genericConnectionMock = new Mock<IModbusConnection>();
_tcpConnectionMock = new Mock<ModbusTcpConnection>();
_tcpConnectionMock.Setup(c => c.Hostname).Returns("127.0.0.1");
_tcpConnectionMock.Setup(c => c.Port).Returns(502);
_tcpConnectionMock.Setup(c => c.ReadTimeout).Returns(TimeSpan.FromSeconds(10));
_tcpConnectionMock.Setup(c => c.WriteTimeout).Returns(TimeSpan.FromSeconds(20));
_tcpConnectionMock.Setup(c => c.ReconnectTimeout).Returns(TimeSpan.FromSeconds(30));
_tcpConnectionMock.Setup(c => c.KeepAliveInterval).Returns(TimeSpan.FromSeconds(40));
}
[TestMethod]
public void ShouldReturnDefaultValuesForGenericConnection()
{
// Arrange
var client = new ModbusTcpClient(_genericConnectionMock.Object);
// Act
string hostname = client.Hostname;
int port = client.Port;
TimeSpan readTimeout = client.ReadTimeout;
TimeSpan writeTimeout = client.WriteTimeout;
TimeSpan reconnectTimeout = client.ReconnectTimeout;
TimeSpan keepAliveInterval = client.KeepAliveInterval;
// Assert
Assert.IsNull(hostname);
Assert.AreEqual(0, port);
Assert.AreEqual(TimeSpan.Zero, readTimeout);
Assert.AreEqual(TimeSpan.Zero, writeTimeout);
Assert.AreEqual(TimeSpan.Zero, reconnectTimeout);
Assert.AreEqual(TimeSpan.Zero, keepAliveInterval);
_genericConnectionMock.VerifyNoOtherCalls();
}
[TestMethod]
public void ShouldNotSetValuesForGenericConnection()
{
// Arrange
var client = new ModbusTcpClient(_genericConnectionMock.Object);
// Act
client.Hostname = "localhost";
client.Port = 205;
client.ReadTimeout = TimeSpan.FromSeconds(123);
client.WriteTimeout = TimeSpan.FromSeconds(456);
client.ReconnectTimeout = TimeSpan.FromSeconds(789);
client.KeepAliveInterval = TimeSpan.FromSeconds(321);
// Assert
_genericConnectionMock.VerifyNoOtherCalls();
}
[TestMethod]
public void ShouldReturnValuesForTcpConnection()
{
// Arrange
var client = new ModbusTcpClient(_tcpConnectionMock.Object);
// Act
string hostname = client.Hostname;
int port = client.Port;
TimeSpan readTimeout = client.ReadTimeout;
TimeSpan writeTimeout = client.WriteTimeout;
TimeSpan reconnectTimeout = client.ReconnectTimeout;
TimeSpan keepAliveInterval = client.KeepAliveInterval;
// Assert
Assert.AreEqual("127.0.0.1", hostname);
Assert.AreEqual(502, port);
Assert.AreEqual(10, readTimeout.TotalSeconds);
Assert.AreEqual(20, writeTimeout.TotalSeconds);
Assert.AreEqual(30, reconnectTimeout.TotalSeconds);
Assert.AreEqual(40, keepAliveInterval.TotalSeconds);
_tcpConnectionMock.VerifyGet(c => c.Hostname, Times.Once);
_tcpConnectionMock.VerifyGet(c => c.Port, Times.Once);
_tcpConnectionMock.VerifyGet(c => c.ReadTimeout, Times.Once);
_tcpConnectionMock.VerifyGet(c => c.WriteTimeout, Times.Once);
_tcpConnectionMock.VerifyGet(c => c.ReconnectTimeout, Times.Once);
_tcpConnectionMock.VerifyGet(c => c.KeepAliveInterval, Times.Once);
_tcpConnectionMock.VerifyNoOtherCalls();
}
[TestMethod]
public void ShouldSetValuesForTcpConnection()
{
// Arrange
var client = new ModbusTcpClient(_tcpConnectionMock.Object);
// Act
client.Hostname = "localhost";
client.Port = 205;
client.ReadTimeout = TimeSpan.FromSeconds(123);
client.WriteTimeout = TimeSpan.FromSeconds(456);
client.ReconnectTimeout = TimeSpan.FromSeconds(789);
client.KeepAliveInterval = TimeSpan.FromSeconds(321);
// Assert
_tcpConnectionMock.VerifySet(c => c.Hostname = "localhost", Times.Once);
_tcpConnectionMock.VerifySet(c => c.Port = 205, Times.Once);
_tcpConnectionMock.VerifySet(c => c.ReadTimeout = TimeSpan.FromSeconds(123), Times.Once);
_tcpConnectionMock.VerifySet(c => c.WriteTimeout = TimeSpan.FromSeconds(456), Times.Once);
_tcpConnectionMock.VerifySet(c => c.ReconnectTimeout = TimeSpan.FromSeconds(789), Times.Once);
_tcpConnectionMock.VerifySet(c => c.KeepAliveInterval = TimeSpan.FromSeconds(321), Times.Once);
_tcpConnectionMock.VerifyNoOtherCalls();
}
}
}