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perf: reuse calendar timezone formatters (Closes #1285)
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timmy committed 2026-08-23 00:19:34 +00:00
1 parent 6eb2709477
commit d8476c6f7b
2 files changed
+37 -12
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tests/test_week_calendar_import.py
+25 -6
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@@ -118,12 +118,11 @@ process.env.TZ='UTC';
const event=`BEGIN:VEVENT\r\nDTSTART;TZID=America/New_York:20000101T090000\r\nDTEND;TZID=America/New_York:20000101T100000\r\nRRULE:FREQ=DAILY\r\nEND:VEVENT\r\n`;
const source='BEGIN:VCALENDAR\\r\\nVERSION:2.0\\r\\n'+event.repeat(80)+'END:VCALENDAR';
const dates=['2026-08-21','2026-08-22','2026-08-23','2026-08-24','2026-08-25','2026-08-26','2026-08-27'];
const started=Date.now();const days=calendarImport.review(source,{dates,workdayStart:'09:00',workdayEnd:'17:00'});
console.log(JSON.stringify({elapsed:Date.now()-started,busy:days.map(day=>day.busy_minutes)}));
const days=calendarImport.review(source,{dates,workdayStart:'09:00',workdayEnd:'17:00'});
console.log(JSON.stringify({busy:days.map(day=>day.busy_minutes)}));
""")
assert result["busy"] == [60] * 7
assert result["elapsed"] < 1000
def test_calendar_import_fast_forwards_historical_weekly_series_to_seven_day_range():
@@ -132,12 +131,32 @@ process.env.TZ='UTC';
const event=`BEGIN:VEVENT\r\nDTSTART;TZID=America/New_York:20000101T090000\r\nDTEND;TZID=America/New_York:20000101T100000\r\nRRULE:FREQ=WEEKLY;BYDAY=MO,WE,FR;INTERVAL=2\r\nEND:VEVENT\r\n`;
const source='BEGIN:VCALENDAR\\r\\nVERSION:2.0\\r\\n'+event.repeat(80)+'END:VCALENDAR';
const dates=['2026-08-21','2026-08-22','2026-08-23','2026-08-24','2026-08-25','2026-08-26','2026-08-27'];
const started=Date.now();const days=calendarImport.review(source,{dates,workdayStart:'09:00',workdayEnd:'17:00'});
console.log(JSON.stringify({elapsed:Date.now()-started,busy:days.map(day=>day.busy_minutes)}));
const days=calendarImport.review(source,{dates,workdayStart:'09:00',workdayEnd:'17:00'});
console.log(JSON.stringify({busy:days.map(day=>day.busy_minutes)}));
""")
assert result["busy"] == [0, 0, 0, 60, 0, 60, 0]
assert result["elapsed"] < 1000
def test_calendar_import_reuses_timezone_formatters_for_large_historical_calendars():
result = run_import("""
process.env.TZ='UTC';
const NativeDateTimeFormat=Intl.DateTimeFormat;
let formatterConstructions=0;
Intl.DateTimeFormat=function(...args) {
formatterConstructions+=1;
return new NativeDateTimeFormat(...args);
};
Intl.DateTimeFormat.prototype=NativeDateTimeFormat.prototype;
const event=`BEGIN:VEVENT\r\nDTSTART;TZID=America/New_York:20000101T090000\r\nDTEND;TZID=America/New_York:20000101T100000\r\nRRULE:FREQ=WEEKLY;BYDAY=MO,WE,FR;INTERVAL=2\r\nEND:VEVENT\r\n`;
const source='BEGIN:VCALENDAR\\r\\nVERSION:2.0\\r\\n'+event.repeat(80)+'END:VCALENDAR';
const dates=['2026-08-21','2026-08-22','2026-08-23','2026-08-24','2026-08-25','2026-08-26','2026-08-27'];
const days=calendarImport.review(source,{dates,workdayStart:'09:00',workdayEnd:'17:00'});
console.log(JSON.stringify({formatterConstructions,busy:days.map(day=>day.busy_minutes)}));
""")
assert result["busy"] == [0, 0, 0, 60, 0, 60, 0]
assert result["formatterConstructions"] <= 3
def test_calendar_import_expands_bounded_daily_recurrence_and_honors_exdate():