Joseph Doherty
54 lines
2.1 KiB
C#
54 lines
2.1 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Cip;
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using ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Logix;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Tests.Logix;
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// No template exchange exists in the golden captures (ab_server has no Template Object), so these
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// are layout tests against the brief / CIP spec.
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public sealed class TemplateObjectServicesTests
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{
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[Fact]
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public void Get_attributes_request() =>
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Convert.ToHexString(TemplateObjectServices.GetAttributes(0x0123)).ShouldBe(
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"0303" + "206C2500" + "2301" + "0400" + "0400" + "0500" + "0200" + "0100");
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[Fact]
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public void Parse_attributes()
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{
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var reply = CipReply.Parse(Convert.FromHexString("83000000" + "0400"
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+ "0400" + "0000" + "2A000000"
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+ "0500" + "0000" + "18000000"
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+ "0200" + "0000" + "0300"
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+ "0100" + "0000" + "CE0F"));
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var a = TemplateObjectServices.ParseAttributes(reply);
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a.ShouldBe(new TemplateAttributes(42, 24, 3, 0x0FCE));
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}
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[Fact]
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public void Parse_attributes_nonzero_attribute_status_throws()
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{
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var reply = CipReply.Parse(Convert.FromHexString("83000000" + "0100" + "0400" + "0100" + "2A000000"));
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Should.Throw<AbTransportException>(() => TemplateObjectServices.ParseAttributes(reply));
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}
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[Fact]
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public void Read_template_request() =>
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Convert.ToHexString(TemplateObjectServices.ReadTemplate(0x0123, 0x20, 0x1F4)).ShouldBe(
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"4C03" + "206C2500" + "2301" + "20000000" + "F401");
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[Fact]
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public void Read_more_follows_status_0x06()
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{
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TemplateObjectServices.ReadHasMore(new CipReply(0x4C, 0x06, [], ReadOnlyMemory<byte>.Empty)).ShouldBeTrue();
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TemplateObjectServices.ReadHasMore(new CipReply(0x4C, 0x00, [], ReadOnlyMemory<byte>.Empty)).ShouldBeFalse();
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}
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[Fact]
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public void Decoder_buffer_header()
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{
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var buf = TemplateObjectServices.BuildDecoderBuffer(0x0123, new TemplateAttributes(42, 24, 3, 0x0FCE), [0xAA, 0xBB]);
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Convert.ToHexString(buf).ShouldBe("2301" + "2A000000" + "18000000" + "0300" + "CE0F" + "AABB");
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}
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}
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