makiolaj/calendula
1
0
Fork 1
Code Actions Releases 32 Activity

Pin the whole-series undo inverse (#68)

Browse Source
This commit is contained in:
Jean-Luc Makiola
2026-08-01 17:43:02 +02:00
parent cf0540fce4
commit 0bcbd2751c
1 changed files with 23 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
app/src/test/java/de/jeanlucmakiola/calendula/data/calendar/EventWriteMapperTest.kt
View File

@@ -346,6 +346,29 @@ class EventWriteMapperTest {
.isNotEqualTo(back[CalendarContract.Events.DTSTART])
}
@Test
fun `undoing a whole-series move lands the anchor back where it started`() {
// What makes undo safe for "all events": the shift is applied to the
// anchor the provider currently holds, so re-issuing it with the two
// forms swapped applies the exact inverse to the moved anchor.
val series = instantAt("2026-01-07T09:00", "Europe/Berlin")
val original = form(
start = LocalDateTime(LocalDate(2026, 7, 15), LocalTime(9, 0)),
end = LocalDateTime(LocalDate(2026, 7, 15), LocalTime(10, 0)),
).copy(rrule = "FREQ=WEEKLY")
val moved = original.copy(
start = LocalDateTime(LocalDate(2026, 7, 17), LocalTime(14, 30)),
end = LocalDateTime(LocalDate(2026, 7, 17), LocalTime(15, 30)),
)
val movedAnchor = update(original, moved, series)[CalendarContract.Events.DTSTART] as Long
assertThat(movedAnchor).isNotEqualTo(series)
val restored = update(moved, original, movedAnchor)
assertThat(restored[CalendarContract.Events.DTSTART]).isEqualTo(series)
assertThat(restored[CalendarContract.Events.DURATION]).isEqualTo("P3600S")
}
@Test
fun `switching a recurring event to all-day anchors the series on a UTC midnight`() {
val series = instantAt("2026-01-07T09:00", "Europe/Berlin")