Joseph Doherty
72 lines
3.1 KiB
C#
72 lines
3.1 KiB
C#
using ZB.MOM.WW.ScadaBridge.Commons.Types.Debugging;
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namespace ZB.MOM.WW.ScadaBridge.Commons.Tests.Debugging;
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/// <summary>
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/// Final review M1: the ONE parser behind the graph node's exception subtitle and the step
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/// detail panel's exception block. Before it, the panel showed the OUTERMOST exception of a
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/// wrapped chain while the node showed the innermost — the two now agree by construction.
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/// </summary>
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public class ExceptionHeaderTests
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{
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[Fact]
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public void Parse_PlainDetail_SplitsTypeFromMessage_AndShortensOnlyWhenAsked()
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{
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const string detail = "System.InvalidOperationException: Recipe 42 rejected\n at X.Y()";
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Assert.Equal(("InvalidOperationException", "Recipe 42 rejected"), ExceptionHeader.Parse(detail, shortenType: true));
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Assert.Equal(("System.InvalidOperationException", "Recipe 42 rejected"), ExceptionHeader.Parse(detail, shortenType: false));
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}
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[Fact]
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public void Parse_WrappedChain_TakesTheINNERMOSTException()
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{
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const string detail = "A.Outer: outer ---> B.Middle: middle ---> C.Innermost: the real one\n at X";
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Assert.Equal(("Innermost", "the real one"), ExceptionHeader.Parse(detail, shortenType: true));
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// The panel keeps the namespace but still names the innermost exception, not the wrapper.
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Assert.Equal(("C.Innermost", "the real one"), ExceptionHeader.Parse(detail, shortenType: false));
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}
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[Fact]
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public void Parse_GenericType_KeepsTheArityAndArgumentsVerbatim_ShorteningOnlyTheHead()
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{
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Assert.Equal(("RecipeException`1[System.String]", "msg"),
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ExceptionHeader.Parse("MyApp.RecipeException`1[System.String]: msg", shortenType: true));
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Assert.Equal(("RecipeException`1[System.String]", "msg"),
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ExceptionHeader.Parse("RecipeException`1[System.String]: msg", shortenType: true));
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}
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[Fact]
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public void Parse_ChainMarkerIsMatchedAfterTrimming_SoATrailingMarkerIsNotAChain()
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{
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// The first line is trimmed BEFORE the " ---> " chain is walked (behaviour carried over
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// verbatim from the FlowGraphView original), so a detail ending in the marker keeps it as
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// part of the message rather than resolving to an empty innermost segment.
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Assert.Equal(("Outer", "outer --->"), ExceptionHeader.Parse("A.Outer: outer ---> ", shortenType: true));
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}
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[Fact]
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public void Parse_LineWithoutAColon_IsAllTypeAndNoMessage()
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{
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Assert.Equal(("SomethingWentWrong", string.Empty), ExceptionHeader.Parse("SomethingWentWrong", shortenType: true));
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}
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[Fact]
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public void Parse_CrLfDetail_TrimsTheCarriageReturnOffTheFirstLine()
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{
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Assert.Equal(("TimeoutException", "took too long"),
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ExceptionHeader.Parse("System.TimeoutException: took too long\r\n at X\r\n", shortenType: true));
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}
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[Theory]
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[InlineData(null)]
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[InlineData("")]
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[InlineData(" ")]
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public void Parse_NothingUsable_ReturnsNull(string? detail)
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{
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Assert.Null(ExceptionHeader.Parse(detail, shortenType: true));
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Assert.Null(ExceptionHeader.Parse(detail, shortenType: false));
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}
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}
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