varia.website/venv/lib/python3.11/site-packages/icalendar/tests/test_unit_cal.py

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2024-11-19 14:01:39 +01:00
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from datetime import datetime
from datetime import timedelta
import unittest
import icalendar
import pytz
import re
class TestCalComponent(unittest.TestCase):
def test_cal_Component(self):
from icalendar.cal import Component, Calendar, Event
from icalendar import prop
# A component is like a dictionary with extra methods and attributes.
c = Component()
c.name = 'VCALENDAR'
self.assertTrue(c)
self.assertTrue(c.is_empty())
# Every key defines a property.A property can consist of either a
# single item. This can be set with a single value...
c['prodid'] = '-//max m//icalendar.mxm.dk/'
self.assertFalse(c.is_empty())
self.assertEqual(
c,
Calendar({'PRODID': '-//max m//icalendar.mxm.dk/'})
)
# or with a list
c['ATTENDEE'] = ['Max M', 'Rasmussen']
self.assertEqual(
c,
Calendar({'ATTENDEE': ['Max M', 'Rasmussen'],
'PRODID': '-//max m//icalendar.mxm.dk/'})
)
# ## ADD MULTIPLE VALUES TO A PROPERTY
# if you use the add method you don't have to considder if a value is
# a list or not.
c = Component()
c.name = 'VEVENT'
# add multiple values at once
c.add('attendee',
['test@test.com', 'test2@test.com'])
# or add one per line
c.add('attendee', 'maxm@mxm.dk')
c.add('attendee', 'test@example.dk')
# add again multiple values at once to very concatenaton of lists
c.add('attendee',
['test3@test.com', 'test4@test.com'])
self.assertEqual(
c,
Event({'ATTENDEE': [
prop.vCalAddress('test@test.com'),
prop.vCalAddress('test2@test.com'),
prop.vCalAddress('maxm@mxm.dk'),
prop.vCalAddress('test@example.dk'),
prop.vCalAddress('test3@test.com'),
prop.vCalAddress('test4@test.com')
]})
)
###
# You can get the values back directly ...
c.add('prodid', '-//my product//')
self.assertEqual(c['prodid'], prop.vText('-//my product//'))
# ... or decoded to a python type
self.assertEqual(c.decoded('prodid'), b'-//my product//')
# With default values for non existing properties
self.assertEqual(c.decoded('version', 'No Version'), 'No Version')
c.add('rdate', [datetime(2013, 3, 28), datetime(2013, 3, 27)])
self.assertTrue(isinstance(c.decoded('rdate'), prop.vDDDLists))
# The component can render itself in the RFC 2445 format.
c = Component()
c.name = 'VCALENDAR'
c.add('attendee', 'Max M')
self.assertEqual(
c.to_ical(),
b'BEGIN:VCALENDAR\r\nATTENDEE:Max M\r\nEND:VCALENDAR\r\n'
)
# Components can be nested, so You can add a subcompont. Eg a calendar
# holds events.
e = Component(summary='A brief history of time')
e.name = 'VEVENT'
e.add('dtend', '20000102T000000', encode=0)
e.add('dtstart', '20000101T000000', encode=0)
self.assertEqual(
e.to_ical(),
b'BEGIN:VEVENT\r\nDTEND:20000102T000000\r\n'
+ b'DTSTART:20000101T000000\r\nSUMMARY:A brief history of time\r'
+ b'\nEND:VEVENT\r\n'
)
c.add_component(e)
self.assertEqual(
c.subcomponents,
[Event({'DTEND': '20000102T000000', 'DTSTART': '20000101T000000',
'SUMMARY': 'A brief history of time'})]
)
# We can walk over nested componentes with the walk method.
self.assertEqual([i.name for i in c.walk()], ['VCALENDAR', 'VEVENT'])
# We can also just walk over specific component types, by filtering
# them on their name.
self.assertEqual([i.name for i in c.walk('VEVENT')], ['VEVENT'])
self.assertEqual(
[i['dtstart'] for i in c.walk('VEVENT')],
['20000101T000000']
)
# We can enumerate property items recursively with the property_items
# method.
self.assertEqual(
c.property_items(),
[('BEGIN', b'VCALENDAR'), ('ATTENDEE', prop.vCalAddress('Max M')),
('BEGIN', b'VEVENT'), ('DTEND', '20000102T000000'),
('DTSTART', '20000101T000000'),
('SUMMARY', 'A brief history of time'), ('END', b'VEVENT'),
('END', b'VCALENDAR')]
)
# We can also enumerate property items just under the component.
self.assertEqual(
c.property_items(recursive=False),
[('BEGIN', b'VCALENDAR'),
('ATTENDEE', prop.vCalAddress('Max M')),
('END', b'VCALENDAR')]
)
sc = c.subcomponents[0]
self.assertEqual(
sc.property_items(recursive=False),
[('BEGIN', b'VEVENT'), ('DTEND', '20000102T000000'),
('DTSTART', '20000101T000000'),
('SUMMARY', 'A brief history of time'), ('END', b'VEVENT')]
)
# Text fields which span multiple mulitple lines require proper
# indenting
c = Calendar()
c['description'] = 'Paragraph one\n\nParagraph two'
self.assertEqual(
c.to_ical(),
b'BEGIN:VCALENDAR\r\nDESCRIPTION:Paragraph one\\n\\nParagraph two'
+ b'\r\nEND:VCALENDAR\r\n'
)
# INLINE properties have their values on one property line. Note the
# double quoting of the value with a colon in it.
c = Calendar()
c['resources'] = 'Chair, Table, "Room: 42"'
self.assertEqual(
c,
Calendar({'RESOURCES': 'Chair, Table, "Room: 42"'})
)
self.assertEqual(
c.to_ical(),
b'BEGIN:VCALENDAR\r\nRESOURCES:Chair\\, Table\\, "Room: 42"\r\n'
+ b'END:VCALENDAR\r\n'
)
# The inline values must be handled by the get_inline() and
# set_inline() methods.
self.assertEqual(
c.get_inline('resources', decode=0),
['Chair', 'Table', 'Room: 42']
)
# These can also be decoded
self.assertEqual(
c.get_inline('resources', decode=1),
[b'Chair', b'Table', b'Room: 42']
)
# You can set them directly ...
c.set_inline('resources', ['A', 'List', 'of', 'some, recources'],
encode=1)
self.assertEqual(c['resources'], 'A,List,of,"some, recources"')
# ... and back again
self.assertEqual(
c.get_inline('resources', decode=0),
['A', 'List', 'of', 'some, recources']
)
c['freebusy'] = '19970308T160000Z/PT3H,19970308T200000Z/PT1H,'\
+ '19970308T230000Z/19970309T000000Z'
self.assertEqual(
c.get_inline('freebusy', decode=0),
['19970308T160000Z/PT3H', '19970308T200000Z/PT1H',
'19970308T230000Z/19970309T000000Z']
)
freebusy = c.get_inline('freebusy', decode=1)
self.assertTrue(isinstance(freebusy[0][0], datetime))
self.assertTrue(isinstance(freebusy[0][1], timedelta))
def test_cal_Component_add(self):
# Test the for timezone correctness: dtstart should preserve it's
# timezone, created, dtstamp and last-modified must be in UTC.
Component = icalendar.cal.Component
comp = Component()
vienna = pytz.timezone("Europe/Vienna")
comp.add('dtstart', vienna.localize(datetime(2010, 10, 10, 10, 0, 0)))
comp.add('created', datetime(2010, 10, 10, 12, 0, 0))
comp.add('dtstamp', vienna.localize(datetime(2010, 10, 10, 14, 0, 0)))
comp.add('last-modified', pytz.utc.localize(
datetime(2010, 10, 10, 16, 0, 0)))
lines = comp.to_ical().splitlines()
self.assertTrue(
b"DTSTART;TZID=Europe/Vienna;VALUE=DATE-TIME:20101010T100000"
in lines)
self.assertTrue(b"CREATED;VALUE=DATE-TIME:20101010T120000Z" in lines)
self.assertTrue(b"DTSTAMP;VALUE=DATE-TIME:20101010T120000Z" in lines)
self.assertTrue(
b"LAST-MODIFIED;VALUE=DATE-TIME:20101010T160000Z" in lines
)
def test_cal_Component_add_no_reencode(self):
"""Already encoded values should not be re-encoded.
"""
from icalendar import cal, prop
comp = cal.Component()
comp.add('ATTACH', 'me')
comp.add('ATTACH', 'you', encode=False)
binary = prop.vBinary('us')
comp.add('ATTACH', binary)
self.assertEqual(comp['ATTACH'], ['me', 'you', binary])
def test_cal_Component_add_property_parameter(self):
# Test the for timezone correctness: dtstart should preserve it's
# timezone, crated, dtstamp and last-modified must be in UTC.
Component = icalendar.cal.Component
comp = Component()
comp.add('X-TEST-PROP', 'tryout.',
parameters={'prop1': 'val1', 'prop2': 'val2'})
lines = comp.to_ical().splitlines()
self.assertTrue(b"X-TEST-PROP;PROP1=val1;PROP2=val2:tryout." in lines)
def test_cal_Component_from_ical(self):
# Check for proper handling of TZID parameter of datetime properties
Component = icalendar.cal.Component
for component_name, property_name in (
('VEVENT', 'DTSTART'),
('VEVENT', 'DTEND'),
('VEVENT', 'RECURRENCE-ID'),
('VTODO', 'DUE')
):
component_str = 'BEGIN:' + component_name + '\n'
component_str += property_name + ';TZID=America/Denver:'
component_str += '20120404T073000\nEND:' + component_name
component = Component.from_ical(component_str)
self.assertEqual(str(component[property_name].dt.tzinfo.zone),
"America/Denver")
component_str = 'BEGIN:' + component_name + '\n'
component_str += property_name + ':'
component_str += '20120404T073000\nEND:' + component_name
component = Component.from_ical(component_str)
self.assertEqual(component[property_name].dt.tzinfo,
None)
def test_cal_Component_to_ical_property_order(self):
Component = icalendar.cal.Component
component_str = [b'BEGIN:VEVENT',
b'DTSTART:19970714T170000Z',
b'DTEND:19970715T035959Z',
b'SUMMARY:Bastille Day Party',
b'END:VEVENT']
component = Component.from_ical(b'\r\n'.join(component_str))
sorted_str = component.to_ical().splitlines()
assert sorted_str != component_str
assert set(sorted_str) == set(component_str)
preserved_str = component.to_ical(sorted=False).splitlines()
assert preserved_str == component_str
def test_cal_Component_to_ical_parameter_order(self):
Component = icalendar.cal.Component
component_str = [b'BEGIN:VEVENT',
b'X-FOOBAR;C=one;A=two;B=three:helloworld.',
b'END:VEVENT']
component = Component.from_ical(b'\r\n'.join(component_str))
sorted_str = component.to_ical().splitlines()
assert sorted_str[0] == component_str[0]
assert sorted_str[1] == b'X-FOOBAR;A=two;B=three;C=one:helloworld.'
assert sorted_str[2] == component_str[2]
preserved_str = component.to_ical(sorted=False).splitlines()
assert preserved_str == component_str
def test_repr(self):
"""Test correct class representation.
"""
from icalendar.cal import Component, Calendar, Event
component = Component()
component['key1'] = 'value1'
self.assertTrue(
re.match(r"Component\({u?'KEY1': u?'value1'}\)", str(component))
)
calendar = Calendar()
calendar['key1'] = 'value1'
self.assertTrue(
re.match(r"VCALENDAR\({u?'KEY1': u?'value1'}\)", str(calendar))
)
event = Event()
event['key1'] = 'value1'
self.assertTrue(
re.match(r"VEVENT\({u?'KEY1': u?'value1'}\)", str(event))
)
# Representation of nested Components
nested = Component(key1='VALUE1')
nested.add_component(component)
calendar.add_component(event)
nested.add_component(calendar)
self.assertTrue(
re.match(
r"Component\({u?'KEY1': u?'VALUE1'}, "
r"Component\({u?'KEY1': u?'value1'}\), "
r"VCALENDAR\({u?'KEY1': u?'value1'}, "
r"VEVENT\({u?'KEY1': u?'value1'}\)\)\)",
str(nested)
)
)
class TestCal(unittest.TestCase):
def test_cal_ComponentFactory(self):
ComponentFactory = icalendar.cal.ComponentFactory
factory = ComponentFactory()
component = factory['VEVENT']
event = component(dtstart='19700101')
self.assertEqual(
event.to_ical(),
b'BEGIN:VEVENT\r\nDTSTART:19700101\r\nEND:VEVENT\r\n'
)
self.assertEqual(
factory.get('VCALENDAR', icalendar.cal.Component),
icalendar.cal.Calendar)
def test_cal_Calendar(self):
# Setting up a minimal calendar component looks like this
cal = icalendar.cal.Calendar()
# Some properties are required to be compliant
cal['prodid'] = '-//My calendar product//mxm.dk//'
cal['version'] = '2.0'
# We also need at least one subcomponent for a calendar to be compliant
event = icalendar.cal.Event()
event['summary'] = 'Python meeting about calendaring'
event['uid'] = '42'
event.add('dtstart', datetime(2005, 4, 4, 8, 0, 0))
cal.add_component(event)
self.assertEqual(
cal.subcomponents[0].to_ical(),
b'BEGIN:VEVENT\r\nSUMMARY:Python meeting about calendaring\r\n'
+ b'DTSTART;VALUE=DATE-TIME:20050404T080000\r\nUID:42\r\n'
+ b'END:VEVENT\r\n')
# Write to disc
import tempfile
import os
directory = tempfile.mkdtemp()
with open(os.path.join(directory, 'test.ics'), 'wb') as fp:
fp.write(cal.to_ical())
# Parsing a complete calendar from a string will silently ignore wrong
# events but adding the error information to the component's 'errors'
# attribute. The error in the following is the third EXDATE: it has an
# empty DATE.
s = '\r\n'.join(('BEGIN:VCALENDAR',
'PRODID:-//Google Inc//Google Calendar 70.9054//EN',
'VERSION:2.0',
'CALSCALE:GREGORIAN',
'METHOD:PUBLISH',
'BEGIN:VEVENT',
'DESCRIPTION:Perfectly OK event',
'DTSTART;VALUE=DATE:20080303',
'DTEND;VALUE=DATE:20080304',
'RRULE:FREQ=DAILY;UNTIL=20080323T235959Z',
'EXDATE;VALUE=DATE:20080311',
'END:VEVENT',
'BEGIN:VEVENT',
'DESCRIPTION:Wrong event',
'DTSTART;VALUE=DATE:20080303',
'DTEND;VALUE=DATE:20080304',
'RRULE:FREQ=DAILY;UNTIL=20080323T235959Z',
'EXDATE;VALUE=DATE:20080311',
'EXDATE;VALUE=DATE:',
'END:VEVENT',
'END:VCALENDAR'))
self.assertEqual(
[e['DESCRIPTION'].to_ical()
for e in icalendar.cal.Calendar.from_ical(s).walk('VEVENT')],
[b'Perfectly OK event', b'Wrong event'])
self.assertEqual(
[e.errors
for e in icalendar.cal.Calendar.from_ical(s).walk('VEVENT')],
[[], [('EXDATE', "Expected datetime, date, or time, got: ''")]]
)
def test_cal_strict_parsing(self):
cal_str = b'\r\n'.join(
[
b'BEGIN:VCALENDAR',
b'BEGIN:VTIMEZONE',
b'TZID:Europe/Prague',
b'BEGIN:STANDARD',
b'DTSTART:18500101T000000',
b'TZNAME:PMT',
b'TZOFFSETFROM:+5744',
b'TZOFFSETTO:+5744',
b'END:STANDARD',
b'END:VTIMEZONE',
b'END:VCALENDAR',
b'',
]
)
self.assertRaises(ValueError, icalendar.Calendar.from_ical, cal_str)
icalendar.vUTCOffset.ignore_exceptions = True
self.assertEqual(icalendar.Calendar.from_ical(cal_str).to_ical(), cal_str)
icalendar.vUTCOffset.ignore_exceptions = False