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(((srfi srfi-41) stream-take stream-map)
((srfi srfi-1) find)
((srfi srfi-19 util) day-stream)
((guile) make-struct/no-tail)
((vcomponent base) children extract type attr)
((vcomponent) parse-calendar)
((vcomponent recurrence) generate-recurrence-set))
(define cal-1
(call-with-input-string
"BEGIN:VCALENDAR
VERSION:2.0
PRODID:-Manual baby!
BEGIN:VEVENT
SUMMARY:Repeating event
DTSTART;20190302T160000
DTEND;VALUE=DATE-TIME:20190302T170000
DTSTAMP;VALUE=DATE-TIME:20190302T165849Z
UID:USG7HSRFJSZ6YURWCNSH3UCKI2PHP19SWGBG
SEQUENCE:0
RRULE:FREQ=DAILY
END:VEVENT
END:VCALENDAR"
parse-calendar))
(let ((ev (find (lambda (e) (eq? 'VEVENT (type e))) (children cal-1))))
(test-assert "Generate Recurrence set" (generate-recurrence-set ev))
(test-equal "Generate First"
(stream-take 5 (stream-map (extract 'DTSTART)
(generate-recurrence-set ev)))
(stream-take 5 (day-stream (attr ev 'DTSTART))))
;; We run the exact same thing a secound time, since I had an error with
;; that during development.
;; (test-equal "Generate Again"
;; (stream-take 5 (stream-map (extract 'DTSTART)
;; (generate-recurrence-set ev)))
;; (stream-take 5 (day-stream (attr ev 'DTSTART))))
)
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