Joseph Doherty
108 lines
3.9 KiB
C#
108 lines
3.9 KiB
C#
using System.Text.Json;
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using System.Text.Json.Serialization;
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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.AdminUI.Tests;
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public sealed class ModbusDriverPageFormSerializationTests
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{
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private static readonly JsonSerializerOptions _opts = new()
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{
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
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WriteIndented = false,
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};
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[Fact]
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public void RoundTrip_PreservesKnownFields()
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{
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var original = new ModbusDriverOptions
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{
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Host = "10.0.0.42",
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Port = 5020,
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UnitId = 3,
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Timeout = TimeSpan.FromSeconds(5),
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MaxRegistersPerRead = 64,
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MaxRegistersPerWrite = 60,
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MaxCoilsPerRead = 500,
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MaxReadGap = 8,
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UseFC15ForSingleCoilWrites = true,
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UseFC16ForSingleRegisterWrites = true,
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DisableFC23 = true,
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WriteOnChangeOnly = true,
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AutoReconnect = false,
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Family = ModbusFamily.DL205,
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MelsecSubFamily = MelsecFamily.F_iQF,
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Probe = new ModbusProbeOptions
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{
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Enabled = false,
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Interval = TimeSpan.FromSeconds(10),
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Timeout = TimeSpan.FromSeconds(3),
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ProbeAddress = 7,
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},
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KeepAlive = new ModbusKeepAliveOptions
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{
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Enabled = false,
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Time = TimeSpan.FromSeconds(60),
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Interval = TimeSpan.FromSeconds(15),
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RetryCount = 5,
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},
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Reconnect = new ModbusReconnectOptions
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{
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InitialDelay = TimeSpan.FromSeconds(1),
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MaxDelay = TimeSpan.FromSeconds(60),
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BackoffMultiplier = 1.5,
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},
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ProbeTimeoutSeconds = 10,
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};
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var json = JsonSerializer.Serialize(original, _opts);
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var back = JsonSerializer.Deserialize<ModbusDriverOptions>(json, _opts);
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back.ShouldNotBeNull();
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back.Host.ShouldBe("10.0.0.42");
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back.Port.ShouldBe(5020);
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back.UnitId.ShouldBe((byte)3);
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back.Timeout.ShouldBe(TimeSpan.FromSeconds(5));
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back.MaxRegistersPerRead.ShouldBe((ushort)64);
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back.MaxRegistersPerWrite.ShouldBe((ushort)60);
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back.MaxCoilsPerRead.ShouldBe((ushort)500);
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back.MaxReadGap.ShouldBe((ushort)8);
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back.UseFC15ForSingleCoilWrites.ShouldBeTrue();
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back.UseFC16ForSingleRegisterWrites.ShouldBeTrue();
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back.DisableFC23.ShouldBeTrue();
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back.WriteOnChangeOnly.ShouldBeTrue();
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back.AutoReconnect.ShouldBeFalse();
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back.Family.ShouldBe(ModbusFamily.DL205);
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back.MelsecSubFamily.ShouldBe(MelsecFamily.F_iQF);
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back.Probe.Enabled.ShouldBeFalse();
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back.Probe.Interval.ShouldBe(TimeSpan.FromSeconds(10));
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back.Probe.Timeout.ShouldBe(TimeSpan.FromSeconds(3));
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back.Probe.ProbeAddress.ShouldBe((ushort)7);
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back.KeepAlive.Enabled.ShouldBeFalse();
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back.KeepAlive.Time.ShouldBe(TimeSpan.FromSeconds(60));
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back.KeepAlive.Interval.ShouldBe(TimeSpan.FromSeconds(15));
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back.KeepAlive.RetryCount.ShouldBe(5);
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back.Reconnect.InitialDelay.ShouldBe(TimeSpan.FromSeconds(1));
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back.Reconnect.MaxDelay.ShouldBe(TimeSpan.FromSeconds(60));
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back.Reconnect.BackoffMultiplier.ShouldBe(1.5);
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back.ProbeTimeoutSeconds.ShouldBe(10);
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}
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[Fact]
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public void Deserialize_DropsUnknownFields()
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{
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var jsonWithExtra = """{"unknownField":"old-value","probeTimeoutSeconds":10}""";
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var optsWithSkip = new JsonSerializerOptions(_opts)
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{
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UnmappedMemberHandling = JsonUnmappedMemberHandling.Skip,
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};
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var back = JsonSerializer.Deserialize<ModbusDriverOptions>(jsonWithExtra, optsWithSkip);
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back.ShouldNotBeNull();
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back.ProbeTimeoutSeconds.ShouldBe(10);
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}
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}
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