232 lines
6.9 KiB
Python
232 lines
6.9 KiB
Python
# -*- coding: utf-8 -*-
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import datetime as dt
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import six
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try:
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import dateutil
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except ImportError:
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dateutil = None
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from mongoengine import *
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from mongoengine import connection
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from tests.utils import MongoDBTestCase
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class TestDateTimeField(MongoDBTestCase):
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def test_datetime_from_empty_string(self):
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"""
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Ensure an exception is raised when trying to
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cast an empty string to datetime.
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"""
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class MyDoc(Document):
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dt = DateTimeField()
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md = MyDoc(dt='')
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self.assertRaises(ValidationError, md.save)
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def test_datetime_from_whitespace_string(self):
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"""
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Ensure an exception is raised when trying to
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cast a whitespace-only string to datetime.
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"""
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class MyDoc(Document):
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dt = DateTimeField()
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md = MyDoc(dt=' ')
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self.assertRaises(ValidationError, md.save)
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def test_default_value_utcnow(self):
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"""Ensure that default field values are used when creating
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a document.
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"""
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class Person(Document):
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created = DateTimeField(default=dt.datetime.utcnow)
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utcnow = dt.datetime.utcnow()
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person = Person()
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person.validate()
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person_created_t0 = person.created
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self.assertLess(person.created - utcnow, dt.timedelta(seconds=1))
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self.assertEqual(person_created_t0, person.created) # make sure it does not change
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self.assertEqual(person._data['created'], person.created)
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def test_handling_microseconds(self):
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"""Tests showing pymongo datetime fields handling of microseconds.
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Microseconds are rounded to the nearest millisecond and pre UTC
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handling is wonky.
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See: http://api.mongodb.org/python/current/api/bson/son.html#dt
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"""
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class LogEntry(Document):
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date = DateTimeField()
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LogEntry.drop_collection()
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# Test can save dates
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log = LogEntry()
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log.date = dt.date.today()
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log.save()
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log.reload()
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self.assertEqual(log.date.date(), dt.date.today())
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# Post UTC - microseconds are rounded (down) nearest millisecond and
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# dropped
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d1 = dt.datetime(1970, 1, 1, 0, 0, 1, 999)
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d2 = dt.datetime(1970, 1, 1, 0, 0, 1)
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log = LogEntry()
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log.date = d1
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log.save()
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log.reload()
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self.assertNotEqual(log.date, d1)
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self.assertEqual(log.date, d2)
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# Post UTC - microseconds are rounded (down) nearest millisecond
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d1 = dt.datetime(1970, 1, 1, 0, 0, 1, 9999)
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d2 = dt.datetime(1970, 1, 1, 0, 0, 1, 9000)
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log.date = d1
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log.save()
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log.reload()
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self.assertNotEqual(log.date, d1)
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self.assertEqual(log.date, d2)
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if not six.PY3:
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# Pre UTC dates microseconds below 1000 are dropped
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# This does not seem to be true in PY3
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d1 = dt.datetime(1969, 12, 31, 23, 59, 59, 999)
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d2 = dt.datetime(1969, 12, 31, 23, 59, 59)
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log.date = d1
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log.save()
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log.reload()
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self.assertNotEqual(log.date, d1)
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self.assertEqual(log.date, d2)
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def test_regular_usage(self):
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"""Tests for regular datetime fields"""
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class LogEntry(Document):
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date = DateTimeField()
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LogEntry.drop_collection()
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d1 = dt.datetime(1970, 1, 1, 0, 0, 1)
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log = LogEntry()
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log.date = d1
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log.validate()
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log.save()
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for query in (d1, d1.isoformat(' ')):
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log1 = LogEntry.objects.get(date=query)
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self.assertEqual(log, log1)
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if dateutil:
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log1 = LogEntry.objects.get(date=d1.isoformat('T'))
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self.assertEqual(log, log1)
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# create additional 19 log entries for a total of 20
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for i in range(1971, 1990):
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d = dt.datetime(i, 1, 1, 0, 0, 1)
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LogEntry(date=d).save()
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self.assertEqual(LogEntry.objects.count(), 20)
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# Test ordering
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logs = LogEntry.objects.order_by("date")
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i = 0
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while i < 19:
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self.assertTrue(logs[i].date <= logs[i + 1].date)
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i += 1
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logs = LogEntry.objects.order_by("-date")
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i = 0
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while i < 19:
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self.assertTrue(logs[i].date >= logs[i + 1].date)
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i += 1
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# Test searching
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logs = LogEntry.objects.filter(date__gte=dt.datetime(1980, 1, 1))
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self.assertEqual(logs.count(), 10)
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logs = LogEntry.objects.filter(date__lte=dt.datetime(1980, 1, 1))
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self.assertEqual(logs.count(), 10)
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logs = LogEntry.objects.filter(
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date__lte=dt.datetime(1980, 1, 1),
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date__gte=dt.datetime(1975, 1, 1),
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)
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self.assertEqual(logs.count(), 5)
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def test_datetime_validation(self):
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"""Ensure that invalid values cannot be assigned to datetime
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fields.
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"""
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class LogEntry(Document):
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time = DateTimeField()
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log = LogEntry()
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log.time = dt.datetime.now()
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log.validate()
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log.time = dt.date.today()
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log.validate()
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log.time = dt.datetime.now().isoformat(' ')
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log.validate()
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log.time = '2019-05-16 21:42:57.897847'
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log.validate()
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if dateutil:
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log.time = dt.datetime.now().isoformat('T')
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log.validate()
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log.time = -1
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self.assertRaises(ValidationError, log.validate)
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log.time = 'ABC'
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self.assertRaises(ValidationError, log.validate)
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log.time = '2019-05-16 21:GARBAGE:12'
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self.assertRaises(ValidationError, log.validate)
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log.time = '2019-05-16 21:42:57.GARBAGE'
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self.assertRaises(ValidationError, log.validate)
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log.time = '2019-05-16 21:42:57.123.456'
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self.assertRaises(ValidationError, log.validate)
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def test_parse_datetime_as_str(self):
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class DTDoc(Document):
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date = DateTimeField()
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date_str = '2019-03-02 22:26:01'
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# make sure that passing a parsable datetime works
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dtd = DTDoc()
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dtd.date = date_str
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self.assertIsInstance(dtd.date, six.string_types)
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dtd.save()
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dtd.reload()
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self.assertIsInstance(dtd.date, dt.datetime)
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self.assertEqual(str(dtd.date), date_str)
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dtd.date = 'January 1st, 9999999999'
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self.assertRaises(ValidationError, dtd.validate)
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class TestDateTimeTzAware(MongoDBTestCase):
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def test_datetime_tz_aware_mark_as_changed(self):
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# Reset the connections
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connection._connection_settings = {}
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connection._connections = {}
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connection._dbs = {}
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connect(db='mongoenginetest', tz_aware=True)
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class LogEntry(Document):
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time = DateTimeField()
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LogEntry.drop_collection()
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LogEntry(time=dt.datetime(2013, 1, 1, 0, 0, 0)).save()
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log = LogEntry.objects.first()
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log.time = dt.datetime(2013, 1, 1, 0, 0, 0)
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self.assertEqual(['time'], log._changed_fields)
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