--- a/thirdparty/google_appengine/lib/django/tests/modeltests/basic/models.py Sun Sep 06 23:31:53 2009 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,367 +0,0 @@
-"""
-1. Bare-bones model
-
-This is a basic model with only two non-primary-key fields.
-"""
-
-from django.db import models
-
-class Article(models.Model):
- headline = models.CharField(maxlength=100, default='Default headline')
- pub_date = models.DateTimeField()
-
- class Meta:
- ordering = ('pub_date','headline')
-
- def __str__(self):
- return self.headline
-
-__test__ = {'API_TESTS': """
-# No articles are in the system yet.
->>> Article.objects.all()
-[]
-
-# Create an Article.
->>> from datetime import datetime
->>> a = Article(id=None, headline='Area man programs in Python', pub_date=datetime(2005, 7, 28))
-
-# Save it into the database. You have to call save() explicitly.
->>> a.save()
-
-# Now it has an ID. Note it's a long integer, as designated by the trailing "L".
->>> a.id
-1L
-
-# Access database columns via Python attributes.
->>> a.headline
-'Area man programs in Python'
->>> a.pub_date
-datetime.datetime(2005, 7, 28, 0, 0)
-
-# Change values by changing the attributes, then calling save().
->>> a.headline = 'Area woman programs in Python'
->>> a.save()
-
-# Article.objects.all() returns all the articles in the database.
->>> Article.objects.all()
-[<Article: Area woman programs in Python>]
-
-# Django provides a rich database lookup API.
->>> Article.objects.get(id__exact=1)
-<Article: Area woman programs in Python>
->>> Article.objects.get(headline__startswith='Area woman')
-<Article: Area woman programs in Python>
->>> Article.objects.get(pub_date__year=2005)
-<Article: Area woman programs in Python>
->>> Article.objects.get(pub_date__year=2005, pub_date__month=7)
-<Article: Area woman programs in Python>
->>> Article.objects.get(pub_date__year=2005, pub_date__month=7, pub_date__day=28)
-<Article: Area woman programs in Python>
-
-# The "__exact" lookup type can be omitted, as a shortcut.
->>> Article.objects.get(id=1)
-<Article: Area woman programs in Python>
->>> Article.objects.get(headline='Area woman programs in Python')
-<Article: Area woman programs in Python>
-
->>> Article.objects.filter(pub_date__year=2005)
-[<Article: Area woman programs in Python>]
->>> Article.objects.filter(pub_date__year=2004)
-[]
->>> Article.objects.filter(pub_date__year=2005, pub_date__month=7)
-[<Article: Area woman programs in Python>]
-
-# Django raises an Article.DoesNotExist exception for get() if the parameters
-# don't match any object.
->>> Article.objects.get(id__exact=2)
-Traceback (most recent call last):
- ...
-DoesNotExist: Article matching query does not exist.
-
->>> Article.objects.get(pub_date__year=2005, pub_date__month=8)
-Traceback (most recent call last):
- ...
-DoesNotExist: Article matching query does not exist.
-
-# Lookup by a primary key is the most common case, so Django provides a
-# shortcut for primary-key exact lookups.
-# The following is identical to articles.get(id=1).
->>> Article.objects.get(pk=1)
-<Article: Area woman programs in Python>
-
-# pk can be used as a shortcut for the primary key name in any query
->>> Article.objects.filter(pk__in=[1])
-[<Article: Area woman programs in Python>]
-
-# Model instances of the same type and same ID are considered equal.
->>> a = Article.objects.get(pk=1)
->>> b = Article.objects.get(pk=1)
->>> a == b
-True
-
-# You can initialize a model instance using positional arguments, which should
-# match the field order as defined in the model.
->>> a2 = Article(None, 'Second article', datetime(2005, 7, 29))
->>> a2.save()
->>> a2.id
-2L
->>> a2.headline
-'Second article'
->>> a2.pub_date
-datetime.datetime(2005, 7, 29, 0, 0)
-
-# ...or, you can use keyword arguments.
->>> a3 = Article(id=None, headline='Third article', pub_date=datetime(2005, 7, 30))
->>> a3.save()
->>> a3.id
-3L
->>> a3.headline
-'Third article'
->>> a3.pub_date
-datetime.datetime(2005, 7, 30, 0, 0)
-
-# You can also mix and match position and keyword arguments, but be sure not to
-# duplicate field information.
->>> a4 = Article(None, 'Fourth article', pub_date=datetime(2005, 7, 31))
->>> a4.save()
->>> a4.headline
-'Fourth article'
-
-# Don't use invalid keyword arguments.
->>> a5 = Article(id=None, headline='Invalid', pub_date=datetime(2005, 7, 31), foo='bar')
-Traceback (most recent call last):
- ...
-TypeError: 'foo' is an invalid keyword argument for this function
-
-# You can leave off the value for an AutoField when creating an object, because
-# it'll get filled in automatically when you save().
->>> a5 = Article(headline='Article 6', pub_date=datetime(2005, 7, 31))
->>> a5.save()
->>> a5.id
-5L
->>> a5.headline
-'Article 6'
-
-# If you leave off a field with "default" set, Django will use the default.
->>> a6 = Article(pub_date=datetime(2005, 7, 31))
->>> a6.save()
->>> a6.headline
-'Default headline'
-
-# For DateTimeFields, Django saves as much precision (in seconds) as you
-# give it.
->>> a7 = Article(headline='Article 7', pub_date=datetime(2005, 7, 31, 12, 30))
->>> a7.save()
->>> Article.objects.get(id__exact=7).pub_date
-datetime.datetime(2005, 7, 31, 12, 30)
-
->>> a8 = Article(headline='Article 8', pub_date=datetime(2005, 7, 31, 12, 30, 45))
->>> a8.save()
->>> Article.objects.get(id__exact=8).pub_date
-datetime.datetime(2005, 7, 31, 12, 30, 45)
->>> a8.id
-8L
-
-# Saving an object again doesn't create a new object -- it just saves the old one.
->>> a8.save()
->>> a8.id
-8L
->>> a8.headline = 'Updated article 8'
->>> a8.save()
->>> a8.id
-8L
-
->>> a7 == a8
-False
->>> a8 == Article.objects.get(id__exact=8)
-True
->>> a7 != a8
-True
->>> Article.objects.get(id__exact=8) != Article.objects.get(id__exact=7)
-True
->>> Article.objects.get(id__exact=8) == Article.objects.get(id__exact=7)
-False
-
-# dates() returns a list of available dates of the given scope for the given field.
->>> Article.objects.dates('pub_date', 'year')
-[datetime.datetime(2005, 1, 1, 0, 0)]
->>> Article.objects.dates('pub_date', 'month')
-[datetime.datetime(2005, 7, 1, 0, 0)]
->>> Article.objects.dates('pub_date', 'day')
-[datetime.datetime(2005, 7, 28, 0, 0), datetime.datetime(2005, 7, 29, 0, 0), datetime.datetime(2005, 7, 30, 0, 0), datetime.datetime(2005, 7, 31, 0, 0)]
->>> Article.objects.dates('pub_date', 'day', order='ASC')
-[datetime.datetime(2005, 7, 28, 0, 0), datetime.datetime(2005, 7, 29, 0, 0), datetime.datetime(2005, 7, 30, 0, 0), datetime.datetime(2005, 7, 31, 0, 0)]
->>> Article.objects.dates('pub_date', 'day', order='DESC')
-[datetime.datetime(2005, 7, 31, 0, 0), datetime.datetime(2005, 7, 30, 0, 0), datetime.datetime(2005, 7, 29, 0, 0), datetime.datetime(2005, 7, 28, 0, 0)]
-
-# dates() requires valid arguments.
-
->>> Article.objects.dates()
-Traceback (most recent call last):
- ...
-TypeError: dates() takes at least 3 arguments (1 given)
-
->>> Article.objects.dates('invalid_field', 'year')
-Traceback (most recent call last):
- ...
-FieldDoesNotExist: Article has no field named 'invalid_field'
-
->>> Article.objects.dates('pub_date', 'bad_kind')
-Traceback (most recent call last):
- ...
-AssertionError: 'kind' must be one of 'year', 'month' or 'day'.
-
->>> Article.objects.dates('pub_date', 'year', order='bad order')
-Traceback (most recent call last):
- ...
-AssertionError: 'order' must be either 'ASC' or 'DESC'.
-
-# Use iterator() with dates() to return a generator that lazily requests each
-# result one at a time, to save memory.
->>> for a in Article.objects.dates('pub_date', 'day', order='DESC').iterator():
-... print repr(a)
-datetime.datetime(2005, 7, 31, 0, 0)
-datetime.datetime(2005, 7, 30, 0, 0)
-datetime.datetime(2005, 7, 29, 0, 0)
-datetime.datetime(2005, 7, 28, 0, 0)
-
-# You can combine queries with & and |.
->>> s1 = Article.objects.filter(id__exact=1)
->>> s2 = Article.objects.filter(id__exact=2)
->>> s1 | s2
-[<Article: Area woman programs in Python>, <Article: Second article>]
->>> s1 & s2
-[]
-
-# You can get the number of objects like this:
->>> len(Article.objects.filter(id__exact=1))
-1
-
-# You can get items using index and slice notation.
->>> Article.objects.all()[0]
-<Article: Area woman programs in Python>
->>> Article.objects.all()[1:3]
-[<Article: Second article>, <Article: Third article>]
->>> s3 = Article.objects.filter(id__exact=3)
->>> (s1 | s2 | s3)[::2]
-[<Article: Area woman programs in Python>, <Article: Third article>]
-
-# Slices (without step) are lazy:
->>> Article.objects.all()[0:5].filter()
-[<Article: Area woman programs in Python>, <Article: Second article>, <Article: Third article>, <Article: Article 6>, <Article: Default headline>]
-
-# Slicing again works:
->>> Article.objects.all()[0:5][0:2]
-[<Article: Area woman programs in Python>, <Article: Second article>]
->>> Article.objects.all()[0:5][:2]
-[<Article: Area woman programs in Python>, <Article: Second article>]
->>> Article.objects.all()[0:5][4:]
-[<Article: Default headline>]
->>> Article.objects.all()[0:5][5:]
-[]
-
-# Some more tests!
->>> Article.objects.all()[2:][0:2]
-[<Article: Third article>, <Article: Article 6>]
->>> Article.objects.all()[2:][:2]
-[<Article: Third article>, <Article: Article 6>]
->>> Article.objects.all()[2:][2:3]
-[<Article: Default headline>]
-
-# Note that you can't use 'offset' without 'limit' (on some dbs), so this doesn't work:
->>> Article.objects.all()[2:]
-Traceback (most recent call last):
- ...
-AssertionError: 'offset' is not allowed without 'limit'
-
-# Also, once you have sliced you can't filter, re-order or combine
->>> Article.objects.all()[0:5].filter(id=1)
-Traceback (most recent call last):
- ...
-AssertionError: Cannot filter a query once a slice has been taken.
-
->>> Article.objects.all()[0:5].order_by('id')
-Traceback (most recent call last):
- ...
-AssertionError: Cannot reorder a query once a slice has been taken.
-
->>> Article.objects.all()[0:1] & Article.objects.all()[4:5]
-Traceback (most recent call last):
- ...
-AssertionError: Cannot combine queries once a slice has been taken.
-
-# Negative slices are not supported, due to database constraints.
-# (hint: inverting your ordering might do what you need).
->>> Article.objects.all()[-1]
-Traceback (most recent call last):
- ...
-AssertionError: Negative indexing is not supported.
->>> Article.objects.all()[0:-5]
-Traceback (most recent call last):
- ...
-AssertionError: Negative indexing is not supported.
-
-# An Article instance doesn't have access to the "objects" attribute.
-# That's only available on the class.
->>> a7.objects.all()
-Traceback (most recent call last):
- ...
-AttributeError: Manager isn't accessible via Article instances
-
->>> a7.objects
-Traceback (most recent call last):
- ...
-AttributeError: Manager isn't accessible via Article instances
-
-# Bulk delete test: How many objects before and after the delete?
->>> Article.objects.all()
-[<Article: Area woman programs in Python>, <Article: Second article>, <Article: Third article>, <Article: Article 6>, <Article: Default headline>, <Article: Fourth article>, <Article: Article 7>, <Article: Updated article 8>]
->>> Article.objects.filter(id__lte=4).delete()
->>> Article.objects.all()
-[<Article: Article 6>, <Article: Default headline>, <Article: Article 7>, <Article: Updated article 8>]
-"""}
-
-from django.conf import settings
-
-building_docs = getattr(settings, 'BUILDING_DOCS', False)
-
-if building_docs or settings.DATABASE_ENGINE == 'postgresql':
- __test__['API_TESTS'] += """
-# In PostgreSQL, microsecond-level precision is available.
->>> a9 = Article(headline='Article 9', pub_date=datetime(2005, 7, 31, 12, 30, 45, 180))
->>> a9.save()
->>> Article.objects.get(id__exact=9).pub_date
-datetime.datetime(2005, 7, 31, 12, 30, 45, 180)
-"""
-
-if building_docs or settings.DATABASE_ENGINE == 'mysql':
- __test__['API_TESTS'] += """
-# In MySQL, microsecond-level precision isn't available. You'll lose
-# microsecond-level precision once the data is saved.
->>> a9 = Article(headline='Article 9', pub_date=datetime(2005, 7, 31, 12, 30, 45, 180))
->>> a9.save()
->>> Article.objects.get(id__exact=9).pub_date
-datetime.datetime(2005, 7, 31, 12, 30, 45)
-"""
-
-__test__['API_TESTS'] += """
-
-# You can manually specify the primary key when creating a new object.
->>> a101 = Article(id=101, headline='Article 101', pub_date=datetime(2005, 7, 31, 12, 30, 45))
->>> a101.save()
->>> a101 = Article.objects.get(pk=101)
->>> a101.headline
-'Article 101'
-
-# You can create saved objects in a single step
->>> a10 = Article.objects.create(headline="Article 10", pub_date=datetime(2005, 7, 31, 12, 30, 45))
->>> Article.objects.get(headline="Article 10")
-<Article: Article 10>
-
-# Edge-case test: A year lookup should retrieve all objects in the given
-year, including Jan. 1 and Dec. 31.
->>> a11 = Article.objects.create(headline='Article 11', pub_date=datetime(2008, 1, 1))
->>> a12 = Article.objects.create(headline='Article 12', pub_date=datetime(2008, 12, 31, 23, 59, 59, 999999))
->>> Article.objects.filter(pub_date__year=2008)
-[<Article: Article 11>, <Article: Article 12>]
-"""