imip-agent

Annotated tests/test_handle.py

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2015-10-18 Paul Boddie file changeset files shortlog Handle rule-based occurrences as exceptions when removed by attendees for counter-proposals.
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#!/usr/bin/env python
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"""
 
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A handler to help with testing.
 
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Copyright (C) 2014, 2015 Paul Boddie <paul@boddie.org.uk>
 
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This program is free software; you can redistribute it and/or modify it under
 
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the terms of the GNU General Public License as published by the Free Software
 
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Foundation; either version 3 of the License, or (at your option) any later
 
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version.
 
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This program is distributed in the hope that it will be useful, but WITHOUT
 
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 
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FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 
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details.
 
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You should have received a copy of the GNU General Public License along with
 
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this program.  If not, see <http://www.gnu.org/licenses/>.
 
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"""
 
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from imiptools.client import ClientForObject
 
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from imiptools.data import Object, get_address, parse_object
 
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from imiptools.dates import get_datetime, to_timezone
 
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from imiptools.mail import Messenger
 
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from imiptools.period import RecurringPeriod
 
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import imip_store
 
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import sys
 
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class TestClient(ClientForObject):
 
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    """
 
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    A content handler for use in testing, as opposed to operating within the
 
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    mail processing pipeline.
 
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    """
 
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    # Action methods.
 
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    def handle_request(self, action, start=None, end=None):
 
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        """
 
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        Process the current request for the current user. Return whether the
 
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        given 'action' was taken.
 
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        If 'start' and 'end' are specified, they will be used in any
 
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        counter-proposal.
 
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        """
 
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        # Reply only on behalf of this user.
 
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        if action in ("accept", "decline"):
 
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            attendee_attr = self.update_participation(action == "accept" and "ACCEPTED" or "DECLINED")
 
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            method = "REPLY"
 
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        # For counter-proposals, set a new main period for the event.
 
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        elif action == "counter":
 
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            attendee_attr = self.obj.get_value_map("ATTENDEE").get(self.user)
 
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            period = self.obj.get_main_period(self.get_tzid())
 
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            # Use the existing or configured time zone for the specified
 
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            # datetimes.
 
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            start = to_timezone(get_datetime(start), period.tzid)
 
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            end = to_timezone(get_datetime(end), period.tzid)
 
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            period = RecurringPeriod(start, end, period.tzid, period.origin, period.get_start_attr(), period.get_end_attr())
 
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            self.obj.set_period(period)
 
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            method = "COUNTER"
 
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        else:
 
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            return None
 
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        if not attendee_attr:
 
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            return None
 
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        # NOTE: This is a simpler form of the code in imipweb.client.
 
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        organiser = get_address(self.obj.get_value("ORGANIZER"))
 
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        self.update_sender(attendee_attr)
 
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        self.obj["ATTENDEE"] = [(self.user, attendee_attr)]
 
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        self.update_dtstamp()
 
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        self.update_sequence(False)
 
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        message = self.messenger.make_outgoing_message(
 
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            [self.obj.to_part(method)],
 
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            [organiser],
 
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            outgoing_bcc=get_address(self.user)
 
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            )
 
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        return message.as_string()
 
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# A simple main program that attempts to handle a stored request, writing the
 
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# response message to standard output.
 
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if __name__ == "__main__":
 
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    try:
 
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        action, store_dir, user = sys.argv[1:4]
 
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        if action == "counter":
 
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            start, end = sys.argv[4:6]
 
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            i = 6
 
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        else:
 
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            start, end = None, None
 
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            i = 4
 
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        uid, recurrenceid = (sys.argv[i:i+2] + [None] * 2)[:2]
 
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    except ValueError:
 
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        print >>sys.stderr, """\
 
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Need 'accept', 'counter' or 'decline', a store directory, user URI, any
 
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counter-proposal datetimes (see below), plus the appropriate event UID and
 
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RECURRENCE-ID (if a recurrence is involved).
 
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The RECURRENCE-ID must be in exactly the form employed by the store, not a
 
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different but equivalent representation.
 
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Alternatively, omit the UID and RECURRENCE-ID and provide event-only details on
 
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standard input to force the script to handle an event not already present in the
 
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store.
 
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If 'counter' has been indicated, alternative start and end datetimes are also
 
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required.
 
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"""
 
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        sys.exit(1)
 
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    store = imip_store.FileStore(store_dir)
 
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    if uid is not None:
 
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        fragment = store.get_event(user, uid, recurrenceid)
 
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        if not fragment:
 
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            print >>sys.stderr, "No such event:", uid, recurrenceid
 
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            sys.exit(1)
 
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    else:
 
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        fragment = parse_object(sys.stdin, "utf-8")
 
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    obj = Object(fragment)
 
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    handler = TestClient(obj, user, Messenger(), store)
 
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    response = handler.handle_request(action, start, end)
 
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    if response:
 
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        if uid is not None:
 
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            store.dequeue_request(user, uid, recurrenceid)
 
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        print response
 
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    else:
 
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        sys.exit(1)
 
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# vim: tabstop=4 expandtab shiftwidth=4