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models: Migration of Message.pub_date to date_sent, part 2.

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Fixes #1727.

With the server down, apply migrations 0245 and 0246. 0246 will remove
the pub_date column, so it's essential that the previous migrations
ran correctly to copy data before running this.
This commit is contained in:
Mateusz Mandera
2019-08-28 02:43:19 +02:00
committed by Tim Abbott
parent f198475281
commit dbe508bb91
37 changed files with 206 additions and 129 deletions
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8
zerver/tests/test_populate_db.py
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@@ -1,18 +1,18 @@
from zilencer.management.commands.populate_db import choose_pub_date
from zilencer.management.commands.populate_db import choose_date_sent
from zerver.lib.test_classes import ZulipTestCase
from django.utils.timezone import timedelta as timezone_timedelta
class TestChoosePubDate(ZulipTestCase):
def test_choose_pub_date_large_tot_messages(self) -> None:
def test_choose_date_sent_large_tot_messages(self) -> None:
"""
Test for a bug that was present, where specifying a large amount of messages to generate
would cause each message to have pub_date set to timezone_now(), instead of the pub_dates
would cause each message to have date_sent set to timezone_now(), instead of the date_sents
being distributed across the span of several days.
"""
tot_messages = 1000000
datetimes_list = [
choose_pub_date(i, tot_messages, 1) for i in range(1, tot_messages, tot_messages // 100)
choose_date_sent(i, tot_messages, 1) for i in range(1, tot_messages, tot_messages // 100)
]
# Verify there is a meaningful difference between elements.