Joseph Doherty
34 lines
1.4 KiB
C#
34 lines
1.4 KiB
C#
using Shouldly;
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using Xunit;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Modbus.Tests;
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/// <summary>
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/// Confirms the driver's default transport-factory closure — and, by extension, the
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/// probe's transport construction — routes through <see cref="ModbusTransportFactory"/>
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/// instead of hardcoding <see cref="ModbusTcpTransport"/>, so an <c>RtuOverTcp</c>-authored
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/// config actually gets RTU framing rather than silently running as TCP/MBAP.
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class ModbusTransportWiringTests
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{
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private static IModbusTransport BuildDefaultTransport(ModbusDriverOptions opts)
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{
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using var driver = new ModbusDriver(opts, "wire-test");
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var factory = (Func<ModbusDriverOptions, IModbusTransport>)typeof(ModbusDriver)
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.GetField("_transportFactory", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)!
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.GetValue(driver)!;
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return factory(opts);
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}
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[Fact]
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public void Default_closure_builds_rtu_transport_for_RtuOverTcp()
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=> BuildDefaultTransport(new ModbusDriverOptions { Transport = ModbusTransportMode.RtuOverTcp })
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.ShouldBeOfType<ModbusRtuOverTcpTransport>();
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[Fact]
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public void Default_closure_builds_tcp_transport_for_Tcp()
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=> BuildDefaultTransport(new ModbusDriverOptions())
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.ShouldBeOfType<ModbusTcpTransport>();
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}
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