106 lines
4.3 KiB
C#
106 lines
4.3 KiB
C#
using Elternbeirat.Contracts;
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using Elternbeirat.Web.Features.Events;
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namespace Elternbeirat.Web.Tests;
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/// <summary>
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/// Unit tests for the calendar sheet texts and the time line beside it. Pure logic,
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/// no PocketBase needed. All times are Berlin wall-clock, as the contract delivers them.
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/// </summary>
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public class EventDateFormatTests
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{
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private static Event Event(DateTime start, DateTime? end = null) =>
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new() { Id = "test", Title = "Termin", Start = start, End = end };
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[Theory]
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[InlineData(1, "Jan")]
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[InlineData(3, "März")]
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[InlineData(5, "Mai")]
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[InlineData(10, "Okt")]
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[InlineData(12, "Dez")]
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public void Sheet_month_is_the_German_short_month_without_period(int month, string expected) =>
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EventDateFormat.SheetMonth(new DateTime(2026, month, 1)).ShouldBe(expected);
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[Fact]
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public void Sheet_day_has_no_leading_zero() =>
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EventDateFormat.SheetDay(new DateTime(2026, 10, 8, 19, 30, 0)).ShouldBe("8");
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[Theory]
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[InlineData(8, "Do")] // Thursday, 8 October 2026
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[InlineData(11, "So")] // Sunday
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public void Sheet_weekday_is_the_German_short_weekday_without_period(int day, string expected) =>
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EventDateFormat.SheetWeekday(new DateTime(2026, 10, day)).ShouldBe(expected);
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[Fact]
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public void Past_all_day_event_shows_the_day_and_no_time()
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{
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var allDay = Event(new DateTime(2026, 11, 13));
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EventDateFormat.PastDays(allDay).ShouldBe("13. November");
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EventDateFormat.PastTime(allDay).ShouldBe("");
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}
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[Fact]
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public void Past_timed_event_shows_the_day_and_its_start_time()
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{
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var timed = Event(new DateTime(2026, 9, 1, 19, 0, 0));
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EventDateFormat.PastDays(timed).ShouldBe("1. September"); // no leading zero
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EventDateFormat.PastTime(timed).ShouldBe("19:00 Uhr");
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}
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[Fact]
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public void Past_timed_event_ending_the_same_day_shows_the_time_range()
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{
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var evening = Event(new DateTime(2026, 11, 13, 19, 0, 0), new DateTime(2026, 11, 13, 21, 0, 0));
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EventDateFormat.PastDays(evening).ShouldBe("13. November");
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EventDateFormat.PastTime(evening).ShouldBe("19:00–21:00 Uhr");
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}
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[Fact]
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public void Past_multi_day_event_in_one_month_names_the_month_once() =>
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EventDateFormat.PastDays(Event(new DateTime(2026, 2, 8), new DateTime(2026, 2, 9))).ShouldBe("8.–9. Februar");
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[Fact]
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public void Past_multi_day_event_across_a_month_names_both_months() =>
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EventDateFormat.PastDays(Event(new DateTime(2026, 1, 30), new DateTime(2026, 2, 2)))
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.ShouldBe("30. Januar – 2. Februar");
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[Fact]
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public void Past_multi_day_event_across_a_year_names_the_end_year() =>
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// The list is grouped by the start year, so only the end needs its year.
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EventDateFormat.PastDays(Event(new DateTime(2026, 12, 30), new DateTime(2027, 1, 2)))
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.ShouldBe("30. Dezember – 2. Januar 2027");
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[Fact]
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public void Past_timed_multi_day_event_shows_only_the_start_time() =>
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// A range here would read as the daily hours.
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EventDateFormat.PastTime(Event(new DateTime(2026, 2, 8, 9, 0, 0), new DateTime(2026, 2, 9, 13, 0, 0)))
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.ShouldBe("09:00 Uhr");
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[Fact]
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public void Span_of_a_timed_event_without_end_is_its_start_time() =>
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EventDateFormat.Span(Event(new DateTime(2026, 10, 8, 19, 30, 0))).ShouldBe("19:30 Uhr");
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[Fact]
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public void Span_of_a_same_day_event_is_the_time_range() =>
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EventDateFormat.Span(Event(new DateTime(2026, 10, 8, 19, 30, 0), new DateTime(2026, 10, 8, 21, 0, 0)))
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.ShouldBe("19:30–21:00 Uhr");
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[Fact]
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public void Span_of_a_multi_day_event_names_the_last_day() =>
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EventDateFormat.Span(Event(new DateTime(2026, 10, 9, 9, 0, 0), new DateTime(2026, 10, 11, 13, 0, 0)))
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.ShouldBe("09:00 Uhr bis Sonntag, 11. Oktober 2026, 13:00 Uhr");
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[Fact]
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public void Span_of_a_multi_day_all_day_event_has_no_times() =>
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EventDateFormat.Span(Event(new DateTime(2026, 10, 9), new DateTime(2026, 10, 11)))
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.ShouldBe("bis Sonntag, 11. Oktober 2026");
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[Fact]
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public void Span_of_a_single_all_day_event_is_empty() =>
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// The sheet already shows the day; there is nothing left to say.
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EventDateFormat.Span(Event(new DateTime(2026, 10, 8))).ShouldBe("");
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}
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