forked from varia/varia.website
461 lines
17 KiB
Python
461 lines
17 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from datetime import datetime
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from datetime import timedelta
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import unittest
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import icalendar
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import pytz
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import re
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class TestCalComponent(unittest.TestCase):
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def test_cal_Component(self):
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from icalendar.cal import Component, Calendar, Event
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from icalendar import prop
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# A component is like a dictionary with extra methods and attributes.
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c = Component()
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c.name = 'VCALENDAR'
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self.assertTrue(c)
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self.assertTrue(c.is_empty())
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# Every key defines a property.A property can consist of either a
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# single item. This can be set with a single value...
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c['prodid'] = '-//max m//icalendar.mxm.dk/'
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self.assertFalse(c.is_empty())
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self.assertEqual(
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c,
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Calendar({'PRODID': '-//max m//icalendar.mxm.dk/'})
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)
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# or with a list
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c['ATTENDEE'] = ['Max M', 'Rasmussen']
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self.assertEqual(
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c,
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Calendar({'ATTENDEE': ['Max M', 'Rasmussen'],
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'PRODID': '-//max m//icalendar.mxm.dk/'})
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)
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# ## ADD MULTIPLE VALUES TO A PROPERTY
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# if you use the add method you don't have to considder if a value is
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# a list or not.
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c = Component()
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c.name = 'VEVENT'
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# add multiple values at once
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c.add('attendee',
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['test@test.com', 'test2@test.com'])
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# or add one per line
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c.add('attendee', 'maxm@mxm.dk')
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c.add('attendee', 'test@example.dk')
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# add again multiple values at once to very concatenaton of lists
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c.add('attendee',
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['test3@test.com', 'test4@test.com'])
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self.assertEqual(
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c,
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Event({'ATTENDEE': [
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prop.vCalAddress('test@test.com'),
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prop.vCalAddress('test2@test.com'),
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prop.vCalAddress('maxm@mxm.dk'),
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prop.vCalAddress('test@example.dk'),
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prop.vCalAddress('test3@test.com'),
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prop.vCalAddress('test4@test.com')
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]})
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)
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###
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# You can get the values back directly ...
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c.add('prodid', '-//my product//')
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self.assertEqual(c['prodid'], prop.vText('-//my product//'))
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# ... or decoded to a python type
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self.assertEqual(c.decoded('prodid'), b'-//my product//')
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# With default values for non existing properties
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self.assertEqual(c.decoded('version', 'No Version'), 'No Version')
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c.add('rdate', [datetime(2013, 3, 28), datetime(2013, 3, 27)])
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self.assertTrue(isinstance(c.decoded('rdate'), prop.vDDDLists))
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# The component can render itself in the RFC 2445 format.
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c = Component()
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c.name = 'VCALENDAR'
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c.add('attendee', 'Max M')
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self.assertEqual(
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c.to_ical(),
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b'BEGIN:VCALENDAR\r\nATTENDEE:Max M\r\nEND:VCALENDAR\r\n'
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)
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# Components can be nested, so You can add a subcompont. Eg a calendar
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# holds events.
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e = Component(summary='A brief history of time')
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e.name = 'VEVENT'
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e.add('dtend', '20000102T000000', encode=0)
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e.add('dtstart', '20000101T000000', encode=0)
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self.assertEqual(
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e.to_ical(),
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b'BEGIN:VEVENT\r\nDTEND:20000102T000000\r\n'
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+ b'DTSTART:20000101T000000\r\nSUMMARY:A brief history of time\r'
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+ b'\nEND:VEVENT\r\n'
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)
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c.add_component(e)
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self.assertEqual(
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c.subcomponents,
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[Event({'DTEND': '20000102T000000', 'DTSTART': '20000101T000000',
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'SUMMARY': 'A brief history of time'})]
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)
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# We can walk over nested componentes with the walk method.
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self.assertEqual([i.name for i in c.walk()], ['VCALENDAR', 'VEVENT'])
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# We can also just walk over specific component types, by filtering
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# them on their name.
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self.assertEqual([i.name for i in c.walk('VEVENT')], ['VEVENT'])
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self.assertEqual(
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[i['dtstart'] for i in c.walk('VEVENT')],
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['20000101T000000']
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)
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# We can enumerate property items recursively with the property_items
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# method.
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self.assertEqual(
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c.property_items(),
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[('BEGIN', b'VCALENDAR'), ('ATTENDEE', prop.vCalAddress('Max M')),
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('BEGIN', b'VEVENT'), ('DTEND', '20000102T000000'),
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('DTSTART', '20000101T000000'),
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('SUMMARY', 'A brief history of time'), ('END', b'VEVENT'),
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('END', b'VCALENDAR')]
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)
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# We can also enumerate property items just under the component.
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self.assertEqual(
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c.property_items(recursive=False),
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[('BEGIN', b'VCALENDAR'),
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('ATTENDEE', prop.vCalAddress('Max M')),
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('END', b'VCALENDAR')]
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)
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sc = c.subcomponents[0]
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self.assertEqual(
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sc.property_items(recursive=False),
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[('BEGIN', b'VEVENT'), ('DTEND', '20000102T000000'),
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('DTSTART', '20000101T000000'),
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('SUMMARY', 'A brief history of time'), ('END', b'VEVENT')]
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)
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# Text fields which span multiple mulitple lines require proper
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# indenting
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c = Calendar()
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c['description'] = 'Paragraph one\n\nParagraph two'
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self.assertEqual(
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c.to_ical(),
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b'BEGIN:VCALENDAR\r\nDESCRIPTION:Paragraph one\\n\\nParagraph two'
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+ b'\r\nEND:VCALENDAR\r\n'
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)
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# INLINE properties have their values on one property line. Note the
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# double quoting of the value with a colon in it.
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c = Calendar()
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c['resources'] = 'Chair, Table, "Room: 42"'
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self.assertEqual(
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c,
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Calendar({'RESOURCES': 'Chair, Table, "Room: 42"'})
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)
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self.assertEqual(
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c.to_ical(),
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b'BEGIN:VCALENDAR\r\nRESOURCES:Chair\\, Table\\, "Room: 42"\r\n'
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+ b'END:VCALENDAR\r\n'
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)
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# The inline values must be handled by the get_inline() and
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# set_inline() methods.
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self.assertEqual(
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c.get_inline('resources', decode=0),
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['Chair', 'Table', 'Room: 42']
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)
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# These can also be decoded
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self.assertEqual(
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c.get_inline('resources', decode=1),
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[b'Chair', b'Table', b'Room: 42']
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)
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# You can set them directly ...
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c.set_inline('resources', ['A', 'List', 'of', 'some, recources'],
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encode=1)
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self.assertEqual(c['resources'], 'A,List,of,"some, recources"')
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# ... and back again
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self.assertEqual(
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c.get_inline('resources', decode=0),
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['A', 'List', 'of', 'some, recources']
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)
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c['freebusy'] = '19970308T160000Z/PT3H,19970308T200000Z/PT1H,'\
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+ '19970308T230000Z/19970309T000000Z'
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self.assertEqual(
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c.get_inline('freebusy', decode=0),
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['19970308T160000Z/PT3H', '19970308T200000Z/PT1H',
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'19970308T230000Z/19970309T000000Z']
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)
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freebusy = c.get_inline('freebusy', decode=1)
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self.assertTrue(isinstance(freebusy[0][0], datetime))
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self.assertTrue(isinstance(freebusy[0][1], timedelta))
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def test_cal_Component_add(self):
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# Test the for timezone correctness: dtstart should preserve it's
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# timezone, created, dtstamp and last-modified must be in UTC.
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Component = icalendar.cal.Component
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comp = Component()
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vienna = pytz.timezone("Europe/Vienna")
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comp.add('dtstart', vienna.localize(datetime(2010, 10, 10, 10, 0, 0)))
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comp.add('created', datetime(2010, 10, 10, 12, 0, 0))
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comp.add('dtstamp', vienna.localize(datetime(2010, 10, 10, 14, 0, 0)))
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comp.add('last-modified', pytz.utc.localize(
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datetime(2010, 10, 10, 16, 0, 0)))
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lines = comp.to_ical().splitlines()
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self.assertTrue(
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b"DTSTART;TZID=Europe/Vienna;VALUE=DATE-TIME:20101010T100000"
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in lines)
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self.assertTrue(b"CREATED;VALUE=DATE-TIME:20101010T120000Z" in lines)
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self.assertTrue(b"DTSTAMP;VALUE=DATE-TIME:20101010T120000Z" in lines)
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self.assertTrue(
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b"LAST-MODIFIED;VALUE=DATE-TIME:20101010T160000Z" in lines
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)
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def test_cal_Component_add_no_reencode(self):
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"""Already encoded values should not be re-encoded.
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"""
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from icalendar import cal, prop
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comp = cal.Component()
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comp.add('ATTACH', 'me')
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comp.add('ATTACH', 'you', encode=False)
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binary = prop.vBinary('us')
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comp.add('ATTACH', binary)
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self.assertEqual(comp['ATTACH'], ['me', 'you', binary])
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def test_cal_Component_add_property_parameter(self):
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# Test the for timezone correctness: dtstart should preserve it's
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# timezone, crated, dtstamp and last-modified must be in UTC.
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Component = icalendar.cal.Component
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comp = Component()
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comp.add('X-TEST-PROP', 'tryout.',
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parameters={'prop1': 'val1', 'prop2': 'val2'})
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lines = comp.to_ical().splitlines()
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self.assertTrue(b"X-TEST-PROP;PROP1=val1;PROP2=val2:tryout." in lines)
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def test_cal_Component_from_ical(self):
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# Check for proper handling of TZID parameter of datetime properties
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Component = icalendar.cal.Component
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for component_name, property_name in (
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('VEVENT', 'DTSTART'),
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('VEVENT', 'DTEND'),
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('VEVENT', 'RECURRENCE-ID'),
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('VTODO', 'DUE')
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):
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component_str = 'BEGIN:' + component_name + '\n'
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component_str += property_name + ';TZID=America/Denver:'
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component_str += '20120404T073000\nEND:' + component_name
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component = Component.from_ical(component_str)
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self.assertEqual(str(component[property_name].dt.tzinfo.zone),
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"America/Denver")
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component_str = 'BEGIN:' + component_name + '\n'
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component_str += property_name + ':'
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component_str += '20120404T073000\nEND:' + component_name
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component = Component.from_ical(component_str)
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self.assertEqual(component[property_name].dt.tzinfo,
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None)
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def test_cal_Component_to_ical_property_order(self):
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Component = icalendar.cal.Component
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component_str = [b'BEGIN:VEVENT',
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b'DTSTART:19970714T170000Z',
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b'DTEND:19970715T035959Z',
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b'SUMMARY:Bastille Day Party',
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b'END:VEVENT']
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component = Component.from_ical(b'\r\n'.join(component_str))
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sorted_str = component.to_ical().splitlines()
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assert sorted_str != component_str
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assert set(sorted_str) == set(component_str)
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preserved_str = component.to_ical(sorted=False).splitlines()
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assert preserved_str == component_str
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def test_cal_Component_to_ical_parameter_order(self):
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Component = icalendar.cal.Component
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component_str = [b'BEGIN:VEVENT',
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b'X-FOOBAR;C=one;A=two;B=three:helloworld.',
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b'END:VEVENT']
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component = Component.from_ical(b'\r\n'.join(component_str))
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sorted_str = component.to_ical().splitlines()
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assert sorted_str[0] == component_str[0]
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assert sorted_str[1] == b'X-FOOBAR;A=two;B=three;C=one:helloworld.'
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assert sorted_str[2] == component_str[2]
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preserved_str = component.to_ical(sorted=False).splitlines()
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assert preserved_str == component_str
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def test_repr(self):
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"""Test correct class representation.
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"""
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from icalendar.cal import Component, Calendar, Event
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component = Component()
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component['key1'] = 'value1'
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self.assertTrue(
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re.match(r"Component\({u?'KEY1': u?'value1'}\)", str(component))
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)
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calendar = Calendar()
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calendar['key1'] = 'value1'
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self.assertTrue(
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re.match(r"VCALENDAR\({u?'KEY1': u?'value1'}\)", str(calendar))
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)
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event = Event()
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event['key1'] = 'value1'
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self.assertTrue(
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re.match(r"VEVENT\({u?'KEY1': u?'value1'}\)", str(event))
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)
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# Representation of nested Components
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nested = Component(key1='VALUE1')
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nested.add_component(component)
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calendar.add_component(event)
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nested.add_component(calendar)
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self.assertTrue(
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re.match(
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r"Component\({u?'KEY1': u?'VALUE1'}, "
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r"Component\({u?'KEY1': u?'value1'}\), "
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r"VCALENDAR\({u?'KEY1': u?'value1'}, "
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r"VEVENT\({u?'KEY1': u?'value1'}\)\)\)",
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str(nested)
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)
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)
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class TestCal(unittest.TestCase):
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def test_cal_ComponentFactory(self):
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ComponentFactory = icalendar.cal.ComponentFactory
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factory = ComponentFactory()
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component = factory['VEVENT']
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event = component(dtstart='19700101')
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self.assertEqual(
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event.to_ical(),
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b'BEGIN:VEVENT\r\nDTSTART:19700101\r\nEND:VEVENT\r\n'
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)
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self.assertEqual(
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factory.get('VCALENDAR', icalendar.cal.Component),
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icalendar.cal.Calendar)
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def test_cal_Calendar(self):
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# Setting up a minimal calendar component looks like this
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cal = icalendar.cal.Calendar()
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# Some properties are required to be compliant
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cal['prodid'] = '-//My calendar product//mxm.dk//'
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cal['version'] = '2.0'
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# We also need at least one subcomponent for a calendar to be compliant
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event = icalendar.cal.Event()
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event['summary'] = 'Python meeting about calendaring'
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event['uid'] = '42'
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event.add('dtstart', datetime(2005, 4, 4, 8, 0, 0))
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cal.add_component(event)
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self.assertEqual(
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cal.subcomponents[0].to_ical(),
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b'BEGIN:VEVENT\r\nSUMMARY:Python meeting about calendaring\r\n'
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+ b'DTSTART;VALUE=DATE-TIME:20050404T080000\r\nUID:42\r\n'
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+ b'END:VEVENT\r\n')
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# Write to disc
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import tempfile
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import os
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directory = tempfile.mkdtemp()
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with open(os.path.join(directory, 'test.ics'), 'wb') as fp:
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fp.write(cal.to_ical())
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# Parsing a complete calendar from a string will silently ignore wrong
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# events but adding the error information to the component's 'errors'
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# attribute. The error in the following is the third EXDATE: it has an
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# empty DATE.
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s = '\r\n'.join(('BEGIN:VCALENDAR',
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'PRODID:-//Google Inc//Google Calendar 70.9054//EN',
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'VERSION:2.0',
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'CALSCALE:GREGORIAN',
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'METHOD:PUBLISH',
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'BEGIN:VEVENT',
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'DESCRIPTION:Perfectly OK event',
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'DTSTART;VALUE=DATE:20080303',
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'DTEND;VALUE=DATE:20080304',
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'RRULE:FREQ=DAILY;UNTIL=20080323T235959Z',
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'EXDATE;VALUE=DATE:20080311',
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'END:VEVENT',
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'BEGIN:VEVENT',
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'DESCRIPTION:Wrong event',
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'DTSTART;VALUE=DATE:20080303',
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'DTEND;VALUE=DATE:20080304',
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'RRULE:FREQ=DAILY;UNTIL=20080323T235959Z',
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'EXDATE;VALUE=DATE:20080311',
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'EXDATE;VALUE=DATE:',
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'END:VEVENT',
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'END:VCALENDAR'))
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self.assertEqual(
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[e['DESCRIPTION'].to_ical()
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for e in icalendar.cal.Calendar.from_ical(s).walk('VEVENT')],
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[b'Perfectly OK event', b'Wrong event'])
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self.assertEqual(
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[e.errors
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for e in icalendar.cal.Calendar.from_ical(s).walk('VEVENT')],
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[[], [('EXDATE', "Expected datetime, date, or time, got: ''")]]
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)
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def test_cal_strict_parsing(self):
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cal_str = b'\r\n'.join(
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[
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b'BEGIN:VCALENDAR',
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b'BEGIN:VTIMEZONE',
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b'TZID:Europe/Prague',
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b'BEGIN:STANDARD',
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b'DTSTART:18500101T000000',
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b'TZNAME:PMT',
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b'TZOFFSETFROM:+5744',
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b'TZOFFSETTO:+5744',
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b'END:STANDARD',
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b'END:VTIMEZONE',
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b'END:VCALENDAR',
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b'',
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]
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)
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self.assertRaises(ValueError, icalendar.Calendar.from_ical, cal_str)
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icalendar.vUTCOffset.ignore_exceptions = True
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self.assertEqual(icalendar.Calendar.from_ical(cal_str).to_ical(), cal_str)
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icalendar.vUTCOffset.ignore_exceptions = False
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