101 lines
4.0 KiB
C#
101 lines
4.0 KiB
C#
using Wiki.Application.Encyclopedia;
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using Wiki.Core.Model;
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namespace Wiki.Application.Tests;
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public class EncyclopediaStateTests
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{
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private static readonly DateTimeOffset At = new(2026, 10, 24, 3, 0, 0, TimeSpan.Zero);
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[Fact]
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public void EncyclopediaStateJson_RoundTrip()
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{
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var state = new EncyclopediaState(
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new Dictionary<string, SubjectAttempt>
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{
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["heating"] = new("abc", AttemptOutcome.Written, At),
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["sauna"] = new("def", AttemptOutcome.Rejected, At),
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},
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new Dictionary<string, DateTimeOffset>(),
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new Dictionary<string, string>());
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var read = EncyclopediaStateJson.Read(EncyclopediaStateJson.Write(state));
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Assert.Equal(state.Subjects, read.Subjects);
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}
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[Fact]
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public void RoundTrip_FailedBatchesAndKept()
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{
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var state = new EncyclopediaState(
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new Dictionary<string, SubjectAttempt>(),
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new Dictionary<string, DateTimeOffset> { ["fp1"] = At },
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new Dictionary<string, string> { ["heating"] = "fp2" });
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var read = EncyclopediaStateJson.Read(EncyclopediaStateJson.Write(state));
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Assert.Equal(state.FailedBatches, read.FailedBatches);
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Assert.Equal(state.KeptArticles, read.KeptArticles);
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}
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[Fact]
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public void Read_OldJsonWithFailedPlan_IgnoresIt()
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{
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var read = EncyclopediaStateJson.Read("""{"subjects":{},"failedPlan":{"noteSetFingerprint":"x","at":"2026-10-24T03:00:00+00:00"}}""");
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Assert.Empty(read.Subjects);
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Assert.Empty(read.FailedBatches);
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Assert.Empty(read.KeptArticles);
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Assert.DoesNotContain("failedPlan", EncyclopediaStateJson.Write(read));
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}
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[Fact]
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public void BatchFingerprint_ChangesWhenANoteChanges()
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{
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var ab = EncyclopediaState.BatchFingerprint([TestNotes.Note("a", hash: "1"), TestNotes.Note("b", hash: "2")]);
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var ba = EncyclopediaState.BatchFingerprint([TestNotes.Note("b", hash: "2"), TestNotes.Note("a", hash: "1")]);
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var changed = EncyclopediaState.BatchFingerprint([TestNotes.Note("a", hash: "1"), TestNotes.Note("b", hash: "3")]);
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var fewer = EncyclopediaState.BatchFingerprint([TestNotes.Note("a", hash: "1")]);
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Assert.Equal(ab, ba);
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Assert.NotEqual(ab, changed);
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Assert.NotEqual(ab, fewer);
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Assert.Matches("^[0-9a-f]{64}$", ab);
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}
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[Fact]
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public void EncyclopediaStateJson_Malformed_ReadsEmpty()
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{
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var read = EncyclopediaStateJson.Read("{{{ nope");
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Assert.Empty(read.Subjects);
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}
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[Fact]
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public void EncyclopediaStateJson_NullEntry_Dropped()
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{
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var read = EncyclopediaStateJson.Read("""{"subjects":{"a":null,"b":{"fingerprint":"f","outcome":"written","at":"2026-10-24T03:00:00+00:00"}},"failedPlan":null}""");
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Assert.Equal(["b"], read.Subjects.Keys);
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}
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[Fact]
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public void Empty_DoesNotShareMutableState()
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{
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((Dictionary<string, SubjectAttempt>)EncyclopediaState.Empty.Subjects)["x"] = new("f", AttemptOutcome.Written, At);
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Assert.Empty(EncyclopediaState.Empty.Subjects);
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}
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[Fact]
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public void SubjectFingerprint_ChangesWithSourceHashOrTitle()
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{
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var planned = new PlannedArticle("heating", "Heizung", "Heating", ArticleCategory.System, "", ["a", "b"]);
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var notes = new[] { TestNotes.Note("a", hash: "1"), TestNotes.Note("b", hash: "2") };
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var baseline = EncyclopediaState.SubjectFingerprint(planned, notes);
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Assert.Equal(baseline, EncyclopediaState.SubjectFingerprint(planned, notes));
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Assert.Matches("^[0-9a-f]{64}$", baseline);
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var changedHash = new[] { notes[0], TestNotes.Note("b", hash: "3") };
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Assert.NotEqual(baseline, EncyclopediaState.SubjectFingerprint(planned, changedHash));
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Assert.NotEqual(baseline, EncyclopediaState.SubjectFingerprint(planned with { TitleDe = "Heizungsanlage" }, notes));
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Assert.NotEqual(baseline, EncyclopediaState.SubjectFingerprint(planned with { Scope = "Only boilers" }, notes));
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}
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}
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