Joseph Doherty
57 lines
2.0 KiB
C#
57 lines
2.0 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Driver.Modbus;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Modbus.Tests;
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/// <summary>
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/// R2-11 (05/CONV-2): the Modbus probe parses the SAME factory DTO shape the driver factory parses, so
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/// <c>timeoutMs</c> binds identically instead of being silently dropped (it never bound to the runtime
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/// <c>ModbusDriverOptions.Timeout</c> TimeSpan). The OpcUaClient probe/factory parse-parity rule.
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/// </summary>
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public sealed class ModbusDriverProbeParityTests
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{
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[Fact]
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public void Config_timeoutMs_binds_as_the_effective_probe_timeout()
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{
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var (target, error) = ModbusDriverProbe.TryParseProbeTarget(
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"{\"host\":\"10.0.0.5\",\"port\":502,\"unitId\":3,\"timeoutMs\":250}",
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fallbackTimeout: TimeSpan.FromSeconds(5));
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error.ShouldBeNull();
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target.ShouldNotBeNull();
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target!.Value.Host.ShouldBe("10.0.0.5");
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target.Value.Port.ShouldBe(502);
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target.Value.UnitId.ShouldBe((byte)3);
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target.Value.Timeout.ShouldBe(TimeSpan.FromMilliseconds(250));
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}
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[Fact]
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public void Absent_timeoutMs_falls_back_to_the_caller_timeout()
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{
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var (target, _) = ModbusDriverProbe.TryParseProbeTarget(
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"{\"host\":\"10.0.0.5\",\"port\":502}", fallbackTimeout: TimeSpan.FromSeconds(5));
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target!.Value.Timeout.ShouldBe(TimeSpan.FromSeconds(5));
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target.Value.UnitId.ShouldBe((byte)1); // DTO default
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}
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[Fact]
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public void Missing_host_is_an_error()
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{
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var (target, error) = ModbusDriverProbe.TryParseProbeTarget(
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"{\"port\":0}", fallbackTimeout: TimeSpan.FromSeconds(5));
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target.ShouldBeNull();
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error.ShouldNotBeNull();
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}
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[Fact]
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public void Invalid_json_is_an_error()
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{
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var (target, error) = ModbusDriverProbe.TryParseProbeTarget(
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"not valid json {{", fallbackTimeout: TimeSpan.FromSeconds(5));
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target.ShouldBeNull();
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error.ShouldContain("invalid");
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}
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}
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