Joseph Doherty
51 lines
2.1 KiB
C#
51 lines
2.1 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.AdminUI.ScriptAnalysis;
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namespace ZB.MOM.WW.OtOpcUa.AdminUI.Tests.ScriptAnalysis;
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public sealed class DiagnoseTests
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{
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private static readonly ScriptAnalysisService Svc = new();
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private static IReadOnlyList<DiagnosticMarker> Diag(string code) => Svc.Diagnose(new DiagnoseRequest(code)).Markers;
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[Fact] public void Clean_script_has_no_markers()
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=> Diag("""return (double)ctx.GetTag("A").Value * 2.0;""").ShouldBeEmpty();
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[Fact] public void Roslyn_error_is_reported_on_user_line_1()
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{
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var m = Diag("return ctx.NoSuchMember();");
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m.ShouldNotBeEmpty();
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m.ShouldContain(x => x.Severity == 8);
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m.First(x => x.Severity == 8).StartLineNumber.ShouldBe(1); // #line 1 → user coords (GetMappedLineSpan)
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}
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[Fact] public void Roslyn_error_maps_to_correct_user_line()
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{
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// error on the THIRD user line — proves mapping isn't off by the preamble height
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var m = Diag("var a = 1;\nvar b = 2;\nreturn ctx.Nope();");
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m.ShouldContain(x => x.Severity == 8 && x.StartLineNumber == 3);
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}
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[Fact] public void Forbidden_or_unresolved_dangerous_type_is_flagged()
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=> Diag("""var c = new System.Net.Http.HttpClient(); return 0;""")
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.ShouldContain(x => x.Severity == 8);
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[Fact] public void Dynamic_tag_path_is_flagged()
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=> Diag("""var p = "A"; return ctx.GetTag(p).Value;""")
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.ShouldContain(x => x.Message.Contains("literal"));
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[Fact] public void Missing_return_does_not_produce_a_phantom_preamble_marker()
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=> Diag("var x = 1;").ShouldNotContain(m => m.Code == "CS0161");
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[Fact] public void Empty_code_has_no_markers()
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=> Diag("").ShouldBeEmpty();
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[Fact] public void Crlf_source_maps_dynamic_path_to_the_correct_line()
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{
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// \r\n line endings; the dynamic-path rejection must land on user line 3, not be column-shifted.
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var m = Diag("var a = 1;\r\nvar b = 2;\r\nreturn ctx.GetTag(b > 0 ? \"x\" : \"y\").Value;");
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m.ShouldContain(x => x.Message.Contains("literal") && x.StartLineNumber == 3);
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}
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}
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