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# coding: utf-8
import datetime
from django.conf import settings
from django.db import models, DEFAULT_DB_ALIAS
from django.utils import tzinfo
CHOICES = (
(1, 'first'),
(2, 'second'),
)
class Article(models.Model):
headline = models.CharField(max_length=100, default='Default headline')
pub_date = models.DateTimeField()
status = models.IntegerField(blank=True, null=True, choices=CHOICES)
misc_data = models.CharField(max_length=100, blank=True)
article_text = models.TextField()
class Meta:
ordering = ('pub_date','headline')
# A utf-8 verbose name (Ångström's Articles) to test they are valid.
verbose_name = "\xc3\x85ngstr\xc3\xb6m's Articles"
def __unicode__(self):
return self.headline
class Movie(models.Model):
#5218: Test models with non-default primary keys / AutoFields
movie_id = models.AutoField(primary_key=True)
name = models.CharField(max_length=60)
class Party(models.Model):
when = models.DateField(null=True)
class Event(models.Model):
when = models.DateTimeField()
class Department(models.Model):
id = models.PositiveIntegerField(primary_key=True)
name = models.CharField(max_length=200)
def __unicode__(self):
return self.name
class Worker(models.Model):
department = models.ForeignKey(Department)
name = models.CharField(max_length=200)
def __unicode__(self):
return self.name
class BrokenUnicodeMethod(models.Model):
name = models.CharField(max_length=7)
def __unicode__(self):
# Intentionally broken (trying to insert a unicode value into a str
# object).
return 'Názov: %s' % self.name
__test__ = {'API_TESTS': """
(NOTE: Part of the regression test here is merely parsing the model
declaration. The verbose_name, in particular, did not always work.)
An empty choice field should return None for the display name.
>>> from datetime import datetime
>>> a = Article(headline="Look at me!", pub_date=datetime.now())
>>> a.save()
>>> a.get_status_display() is None
True
Empty strings should be returned as Unicode
>>> a2 = Article.objects.get(pk=a.id)
>>> a2.misc_data
u''
# TextFields can hold more than 4000 characters (this was broken in Oracle).
>>> a3 = Article(headline="Really, really big", pub_date=datetime.now())
>>> a3.article_text = "ABCDE" * 1000
>>> a3.save()
>>> a4 = Article.objects.get(pk=a3.id)
>>> len(a4.article_text)
5000
# Regression test for #659
>>> import datetime
>>> p = Party.objects.create(when = datetime.datetime(1999, 12, 31))
>>> p = Party.objects.create(when = datetime.datetime(1998, 12, 31))
>>> p = Party.objects.create(when = datetime.datetime(1999, 1, 1))
>>> [p.when for p in Party.objects.filter(when__month=2)]
[]
>>> [p.when for p in Party.objects.filter(when__month=1)]
[datetime.date(1999, 1, 1)]
>>> [p.when for p in Party.objects.filter(when__month=12)]
[datetime.date(1999, 12, 31), datetime.date(1998, 12, 31)]
>>> [p.when for p in Party.objects.filter(when__year=1998)]
[datetime.date(1998, 12, 31)]
# Regression test for #8510
>>> [p.when for p in Party.objects.filter(when__day='31')]
[datetime.date(1999, 12, 31), datetime.date(1998, 12, 31)]
>>> [p.when for p in Party.objects.filter(when__month='12')]
[datetime.date(1999, 12, 31), datetime.date(1998, 12, 31)]
>>> [p.when for p in Party.objects.filter(when__year='1998')]
[datetime.date(1998, 12, 31)]
# Date filtering was failing with NULL date values in SQLite (regression test
# for #3501, amongst other things).
>>> _ = Party.objects.create()
>>> p = Party.objects.filter(when__month=1)[0]
>>> p.when
datetime.date(1999, 1, 1)
>>> l = Party.objects.filter(pk=p.pk).dates("when", "month")
>>> l[0].month == 1
True
# Check that get_next_by_FIELD and get_previous_by_FIELD don't crash when we
# have usecs values stored on the database
#
# [It crashed after the Field.get_db_prep_* refactor, because on most backends
# DateTimeFields supports usecs, but DateTimeField.to_python didn't recognize
# them. (Note that Model._get_next_or_previous_by_FIELD coerces values to
# strings)]
#
>>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 16, 0, 0))
>>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 6, 1, 1))
>>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 13, 1, 1))
>>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 12, 0, 20, 24))
>>> e.get_next_by_when().when
datetime.datetime(2000, 1, 1, 13, 1, 1)
>>> e.get_previous_by_when().when
datetime.datetime(2000, 1, 1, 6, 1, 1)
# Check Department and Worker
>>> d = Department(id=10, name='IT')
>>> d.save()
>>> w = Worker(department=d, name='Full-time')
>>> w.save()
>>> w
<Worker: Full-time>
# Models with broken unicode methods should still have a printable repr
>>> b = BrokenUnicodeMethod(name="Jerry")
>>> b.save()
>>> BrokenUnicodeMethod.objects.all()
[<BrokenUnicodeMethod: [Bad Unicode data]>]
"""}
if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] not in (
"django.db.backends.mysql",
"django.db.backends.oracle"):
__test__["timezone-tests"] = """
# Saving an updating with timezone-aware datetime Python objects. Regression
# test for #10443.
# The idea is that all these creations and saving should work without crashing.
# It's not rocket science.
>>> Article.objects.all().delete()
>>> dt1 = datetime.datetime(2008, 8, 31, 16, 20, tzinfo=tzinfo.FixedOffset(600))
>>> dt2 = datetime.datetime(2008, 8, 31, 17, 20, tzinfo=tzinfo.FixedOffset(600))
>>> obj = Article.objects.create(headline="A headline", pub_date=dt1, article_text="foo")
>>> obj.pub_date = dt2
>>> obj.save()
>>> Article.objects.filter(headline="A headline").update(pub_date=dt1)
1
"""
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