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# Copyright 2010 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Tests for the bugcomment module."""
__metaclass__ = type
from datetime import (
datetime,
timedelta,
)
from itertools import count
from pytz import utc
from lp.bugs.browser.bugcomment import group_comments_with_activity
from lp.testing import TestCase
class BugActivityStub:
def __init__(self, datechanged, owner=None):
self.datechanged = datechanged
if owner is None:
owner = PersonStub()
self.person = owner
def __repr__(self):
return "BugActivityStub(%r, %r)" % (
self.datechanged.strftime('%Y-%m-%d--%H%M'), self.person)
class BugCommentStub:
def __init__(self, datecreated, index, owner=None):
self.datecreated = datecreated
if owner is None:
owner = PersonStub()
self.owner = owner
self.activity = []
self.index = index
def __repr__(self):
return "BugCommentStub(%r, %d, %r)" % (
self.datecreated.strftime('%Y-%m-%d--%H%M'),
self.index, self.owner)
class PersonStub:
ids = count(1)
def __init__(self):
self.id = next(self.ids)
def __repr__(self):
return "PersonStub#%d" % self.id
class TestGroupCommentsWithActivities(TestCase):
"""Tests for `group_comments_with_activities`."""
def setUp(self):
super(TestGroupCommentsWithActivities, self).setUp()
self.now = datetime.now(utc)
self.time_index = (
(self.now + timedelta(minutes=counter), counter)
for counter in count(1))
def group(self, comments, activities):
return list(
group_comments_with_activity(
comments=comments, activities=activities))
def test_empty(self):
# Given no comments or activities the result is also empty.
self.assertEqual(
[], self.group(comments=[], activities=[]))
def test_activity_empty_no_common_actor(self):
# When no activities are passed in, and the comments passed in don't
# have any common actors, no grouping is possible.
comments = [
BugCommentStub(*next(self.time_index))
for number in xrange(5)]
self.assertEqual(
comments, self.group(comments=comments, activities=[]))
def test_comments_empty_no_common_actor(self):
# When no comments are passed in, and the activities passed in don't
# have any common actors, no grouping is possible.
activities = [
BugActivityStub(next(self.time_index)[0])
for number in xrange(5)]
self.assertEqual(
[[activity] for activity in activities], self.group(
comments=[], activities=activities))
def test_no_common_actor(self):
# When each activities and comment given has a different actor then no
# grouping is possible.
activity1 = BugActivityStub(next(self.time_index)[0])
comment1 = BugCommentStub(*next(self.time_index))
activity2 = BugActivityStub(next(self.time_index)[0])
comment2 = BugCommentStub(*next(self.time_index))
activities = set([activity1, activity2])
comments = list([comment1, comment2])
self.assertEqual(
[[activity1], comment1, [activity2], comment2],
self.group(comments=comments, activities=activities))
def test_comment_then_activity_close_by_common_actor(self):
# An activity shortly after a comment by the same person is grouped
# into the comment.
actor = PersonStub()
comment = BugCommentStub(*next(self.time_index), owner=actor)
activity = BugActivityStub(next(self.time_index)[0], owner=actor)
grouped = self.group(comments=[comment], activities=[activity])
self.assertEqual([comment], grouped)
self.assertEqual([activity], comment.activity)
def test_activity_then_comment_close_by_common_actor(self):
# An activity shortly before a comment by the same person is grouped
# into the comment.
actor = PersonStub()
activity = BugActivityStub(next(self.time_index)[0], owner=actor)
comment = BugCommentStub(*next(self.time_index), owner=actor)
grouped = self.group(comments=[comment], activities=[activity])
self.assertEqual([comment], grouped)
self.assertEqual([activity], comment.activity)
def test_interleaved_activity_with_comment_by_common_actor(self):
# Activities shortly before and after a comment are grouped into the
# comment's activity.
actor = PersonStub()
activity1 = BugActivityStub(next(self.time_index)[0], owner=actor)
comment = BugCommentStub(*next(self.time_index), owner=actor)
activity2 = BugActivityStub(next(self.time_index)[0], owner=actor)
grouped = self.group(
comments=[comment], activities=[activity1, activity2])
self.assertEqual([comment], grouped)
self.assertEqual([activity1, activity2], comment.activity)
def test_common_actor_over_a_prolonged_time(self):
# There is a timeframe for grouping events, 5 minutes by default.
# Anything outside of that window is considered separate.
actor = PersonStub()
activities = [
BugActivityStub(next(self.time_index)[0], owner=actor)
for count in xrange(8)]
grouped = self.group(comments=[], activities=activities)
self.assertEqual(2, len(grouped))
self.assertEqual(activities[:5], grouped[0])
self.assertEqual(activities[5:], grouped[1])
def test_two_comments_by_common_actor(self):
# Only one comment will ever appear in a group.
actor = PersonStub()
comment1 = BugCommentStub(*next(self.time_index), owner=actor)
comment2 = BugCommentStub(*next(self.time_index), owner=actor)
grouped = self.group(comments=[comment1, comment2], activities=[])
self.assertEqual([comment1, comment2], grouped)
def test_two_comments_with_activity_by_common_actor(self):
# Activity gets associated with earlier comment when all other factors
# are unchanging.
actor = PersonStub()
activity1 = BugActivityStub(next(self.time_index)[0], owner=actor)
comment1 = BugCommentStub(*next(self.time_index), owner=actor)
activity2 = BugActivityStub(next(self.time_index)[0], owner=actor)
comment2 = BugCommentStub(*next(self.time_index), owner=actor)
activity3 = BugActivityStub(next(self.time_index)[0], owner=actor)
grouped = self.group(
comments=[comment1, comment2],
activities=[activity1, activity2, activity3])
self.assertEqual([comment1, comment2], grouped)
self.assertEqual([activity1, activity2], comment1.activity)
self.assertEqual([activity3], comment2.activity)
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