gramps
6b6ccd7b0a
ScoreboardRecorder owns the one scope the numbers promise. StartSession resets and marks running; Record ignores everything outside a session (a stale tally from the last stream is exactly the 'today' lie this design avoids); EndSession freezes the numbers but stops them moving, so an End screen can still show them. Changed fires only when a displayed value actually moves, which is what keeps the strip's raster cache honest.
43 lines
1.5 KiB
C#
43 lines
1.5 KiB
C#
using Xunit;
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using ytLive.Models;
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namespace ytLive.Tests;
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/// <summary>The session is the only scope the scoreboard promises, so the rules are: a start clears
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/// everything, events outside a session are ignored, and an ended session keeps its numbers but
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/// stops moving.</summary>
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public class ScoreboardRecorderTests
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{
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private static ChatMessage Member(string name) => new() { Kind = ChatEventKind.NewMember, AuthorName = name };
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[Fact]
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public void Starting_a_session_clears_the_tallies_and_only_a_live_session_counts()
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{
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var recorder = new ScoreboardRecorder();
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var changes = 0;
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recorder.Changed += () => changes++;
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// Outside a session: nothing is counted (no stale carry-over from the last stream).
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recorder.Record(Member("Ignored"));
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Assert.Equal(0, recorder.State.NewMembers);
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recorder.StartSession();
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Assert.True(recorder.IsRunning);
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recorder.Record(Member("First"));
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recorder.Record(Member("Second"));
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Assert.Equal(2, recorder.State.NewMembers);
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Assert.True(changes >= 2, "each visible change must raise Changed so the strip re-renders");
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// End freezes: numbers stay, movement stops.
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recorder.EndSession();
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Assert.False(recorder.IsRunning);
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recorder.Record(Member("AfterEnd"));
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Assert.Equal(2, recorder.State.NewMembers);
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// The next session starts from zero.
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recorder.StartSession();
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Assert.Equal(0, recorder.State.NewMembers);
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Assert.Null(recorder.State.LastMemberName);
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}
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}
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