Cron: Bereich mit Schritt (7-22/3) lesen, ungueltige Ausdruecke im Scanner melden (#597)
Der Nachrichten-Digest im Dauerbetrieb der Test-VM lief nie: CronExpression verstand 'von-bis/schritt' nicht, TaskSchedule verschluckte den Fehler. Version 0.1.5. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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@@ -13,6 +13,42 @@ public sealed class TaskScheduleTests
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private static DateTime Utc(int y, int mo, int d, int h, int mi)
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=> new(y, mo, d, h, mi, 0, DateTimeKind.Utc);
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// ─── #597: ungültiger Cron-Ausdruck ───
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[Fact]
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public void Ungueltiger_Cron_Ausdruck_wird_benannt_statt_verschwiegen()
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{
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var task = new TaskItem
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{
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Id = "t-1", CreatedAt = Utc(2026, 9, 14, 6, 0),
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When = new TaskWhen { Kind = TaskWhenKind.Cron, Value = "0 7-22/x * * *", TimeZone = "Europe/Berlin" }
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};
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TaskSchedule.DueOccurrence(task, Utc(2026, 9, 14, 11, 0)).ShouldBeNull();
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TaskSchedule.InvalidCron(task).ShouldNotBeNull().ShouldContain("'x' ist keine Zahl");
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}
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[Fact]
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public void Nachrichten_Digest_aus_dem_Testbetrieb_ist_um_13_Uhr_faellig()
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{
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var task = new TaskItem
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{
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Id = "t-7e0bbe", CreatedAt = Utc(2026, 9, 14, 10, 30),
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When = new TaskWhen { Kind = TaskWhenKind.Cron, Value = "0 7-22/3 * * *", TimeZone = "Europe/Berlin" }
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};
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TaskSchedule.InvalidCron(task).ShouldBeNull();
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// 13:00 Berlin (MESZ) = 11:00 UTC
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TaskSchedule.DueOccurrence(task, Utc(2026, 9, 14, 11, 0)).ShouldBe("2026-09-14T11:00:00.0000000Z");
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}
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[Fact]
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public void Andere_Terminarten_haben_keinen_Cron_Fehler()
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=> TaskSchedule.InvalidCron(new TaskItem
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{
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Id = "t-1", When = new TaskWhen { Kind = TaskWhenKind.Every, Value = "kaputt" }
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}).ShouldBeNull();
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// ─── Einmalig, ohne Termin ───
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[Fact]
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