Converted or_lookups tests from doctests to unittests. We have always been at war with doctests. Thanks to Paul Tax for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14236 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Alex Gaynor 2010-10-16 17:00:11 +00:00
parent 6c902c436e
commit 7408f5098b
2 changed files with 232 additions and 109 deletions

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@ -20,112 +20,3 @@ class Article(models.Model):
def __unicode__(self): def __unicode__(self):
return self.headline return self.headline
__test__ = {'API_TESTS':"""
>>> from datetime import datetime
>>> from django.db.models import Q
>>> a1 = Article(headline='Hello', pub_date=datetime(2005, 11, 27))
>>> a1.save()
>>> a2 = Article(headline='Goodbye', pub_date=datetime(2005, 11, 28))
>>> a2.save()
>>> a3 = Article(headline='Hello and goodbye', pub_date=datetime(2005, 11, 29))
>>> a3.save()
>>> Article.objects.filter(headline__startswith='Hello') | Article.objects.filter(headline__startswith='Goodbye')
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
>>> Article.objects.filter(Q(headline__startswith='Hello') | Q(headline__startswith='Goodbye'))
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
>>> Article.objects.filter(Q(headline__startswith='Hello') & Q(headline__startswith='Goodbye'))
[]
# You can shorten this syntax with code like the following,
# which is especially useful if building the query in stages:
>>> articles = Article.objects.all()
>>> articles.filter(headline__startswith='Hello') & articles.filter(headline__startswith='Goodbye')
[]
>>> articles.filter(headline__startswith='Hello') & articles.filter(headline__contains='bye')
[<Article: Hello and goodbye>]
>>> Article.objects.filter(Q(headline__contains='bye'), headline__startswith='Hello')
[<Article: Hello and goodbye>]
>>> Article.objects.filter(headline__contains='Hello') | Article.objects.filter(headline__contains='bye')
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
>>> Article.objects.filter(headline__iexact='Hello') | Article.objects.filter(headline__contains='ood')
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
>>> Article.objects.filter(Q(pk=1) | Q(pk=2))
[<Article: Hello>, <Article: Goodbye>]
>>> Article.objects.filter(Q(pk=1) | Q(pk=2) | Q(pk=3))
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
# You could also use "in" to accomplish the same as above.
>>> Article.objects.filter(pk__in=[1,2,3])
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
>>> Article.objects.filter(pk__in=(1,2,3))
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
>>> Article.objects.filter(pk__in=[1,2,3,4])
[<Article: Hello>, <Article: Goodbye>, <Article: Hello and goodbye>]
# Passing "in" an empty list returns no results ...
>>> Article.objects.filter(pk__in=[])
[]
# ... but can return results if we OR it with another query.
>>> Article.objects.filter(Q(pk__in=[]) | Q(headline__icontains='goodbye'))
[<Article: Goodbye>, <Article: Hello and goodbye>]
# Q arg objects are ANDed
>>> Article.objects.filter(Q(headline__startswith='Hello'), Q(headline__contains='bye'))
[<Article: Hello and goodbye>]
# Q arg AND order is irrelevant
>>> Article.objects.filter(Q(headline__contains='bye'), headline__startswith='Hello')
[<Article: Hello and goodbye>]
# Q objects can be negated
>>> Article.objects.filter(Q(pk=1) | ~Q(pk=2))
[<Article: Hello>, <Article: Hello and goodbye>]
>>> Article.objects.filter(~Q(pk=1) & ~Q(pk=2))
[<Article: Hello and goodbye>]
# This allows for more complex queries than filter() and exclude() alone would
# allow
>>> Article.objects.filter(Q(pk=1) & (~Q(pk=2) | Q(pk=3)))
[<Article: Hello>]
# Try some arg queries with operations other than filter.
>>> Article.objects.get(Q(headline__startswith='Hello'), Q(headline__contains='bye'))
<Article: Hello and goodbye>
>>> Article.objects.filter(Q(headline__startswith='Hello') | Q(headline__contains='bye')).count()
3
>>> dicts = list(Article.objects.filter(Q(headline__startswith='Hello'), Q(headline__contains='bye')).values())
>>> [sorted(d.items()) for d in dicts]
[[('headline', u'Hello and goodbye'), ('id', 3), ('pub_date', datetime.datetime(2005, 11, 29, 0, 0))]]
>>> Article.objects.filter(Q(headline__startswith='Hello')).in_bulk([1,2])
{1: <Article: Hello>}
# Demonstrating exclude with a Q object
>>> Article.objects.exclude(Q(headline__startswith='Hello'))
[<Article: Goodbye>]
# The 'complex_filter' method supports framework features such as
# 'limit_choices_to' which normally take a single dictionary of lookup arguments
# but need to support arbitrary queries via Q objects too.
>>> Article.objects.complex_filter({'pk': 1})
[<Article: Hello>]
>>> Article.objects.complex_filter(Q(pk=1) | Q(pk=2))
[<Article: Hello>, <Article: Goodbye>]
"""}

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@ -0,0 +1,232 @@
from datetime import datetime
from operator import attrgetter
from django.db.models import Q
from django.test import TestCase
from models import Article
class OrLookupsTests(TestCase):
def setUp(self):
self.a1 = Article.objects.create(
headline='Hello', pub_date=datetime(2005, 11, 27)
).pk
self.a2 = Article.objects.create(
headline='Goodbye', pub_date=datetime(2005, 11, 28)
).pk
self.a3 = Article.objects.create(
headline='Hello and goodbye', pub_date=datetime(2005, 11, 29)
).pk
def test_filter_or(self):
self.assertQuerysetEqual(
Article.objects.filter(headline__startswith='Hello') | Article.objects.filter(headline__startswith='Goodbye'), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline")
)
self.assertQuerysetEqual(
Article.objects.filter(headline__contains='Hello') | Article.objects.filter(headline__contains='bye'), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline")
)
self.assertQuerysetEqual(
Article.objects.filter(headline__iexact='Hello') | Article.objects.filter(headline__contains='ood'), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline")
)
self.assertQuerysetEqual(
Article.objects.filter(Q(headline__startswith='Hello') | Q(headline__startswith='Goodbye')), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline")
)
def test_stages(self):
# You can shorten this syntax with code like the following, which is
# especially useful if building the query in stages:
articles = Article.objects.all()
self.assertQuerysetEqual(
articles.filter(headline__startswith='Hello') & articles.filter(headline__startswith='Goodbye'),
[]
)
self.assertQuerysetEqual(
articles.filter(headline__startswith='Hello') & articles.filter(headline__contains='bye'), [
'Hello and goodbye'
],
attrgetter("headline")
)
def test_pk_q(self):
self.assertQuerysetEqual(
Article.objects.filter(Q(pk=self.a1) | Q(pk=self.a2)), [
'Hello',
'Goodbye'
],
attrgetter("headline")
)
self.assertQuerysetEqual(
Article.objects.filter(Q(pk=self.a1) | Q(pk=self.a2) | Q(pk=self.a3)), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline"),
)
def test_pk_in(self):
self.assertQuerysetEqual(
Article.objects.filter(pk__in=[self.a1, self.a2, self.a3]), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline"),
)
self.assertQuerysetEqual(
Article.objects.filter(pk__in=(self.a1, self.a2, self.a3)), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline"),
)
self.assertQuerysetEqual(
Article.objects.filter(pk__in=[self.a1, self.a2, self.a3, 40000]), [
'Hello',
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline"),
)
def test_q_negated(self):
# Q objects can be negated
self.assertQuerysetEqual(
Article.objects.filter(Q(pk=self.a1) | ~Q(pk=self.a2)), [
'Hello',
'Hello and goodbye'
],
attrgetter("headline")
)
self.assertQuerysetEqual(
Article.objects.filter(~Q(pk=self.a1) & ~Q(pk=self.a2)), [
'Hello and goodbye'
],
attrgetter("headline"),
)
# This allows for more complex queries than filter() and exclude()
# alone would allow
self.assertQuerysetEqual(
Article.objects.filter(Q(pk=self.a1) & (~Q(pk=self.a2) | Q(pk=self.a3))), [
'Hello'
],
attrgetter("headline"),
)
def test_complex_filter(self):
# The 'complex_filter' method supports framework features such as
# 'limit_choices_to' which normally take a single dictionary of lookup
# arguments but need to support arbitrary queries via Q objects too.
self.assertQuerysetEqual(
Article.objects.complex_filter({'pk': self.a1}), [
'Hello'
],
attrgetter("headline"),
)
self.assertQuerysetEqual(
Article.objects.complex_filter(Q(pk=self.a1) | Q(pk=self.a2)), [
'Hello',
'Goodbye'
],
attrgetter("headline"),
)
def test_empty_in(self):
# Passing "in" an empty list returns no results ...
self.assertQuerysetEqual(
Article.objects.filter(pk__in=[]),
[]
)
# ... but can return results if we OR it with another query.
self.assertQuerysetEqual(
Article.objects.filter(Q(pk__in=[]) | Q(headline__icontains='goodbye')), [
'Goodbye',
'Hello and goodbye'
],
attrgetter("headline"),
)
def test_q_and(self):
# Q arg objects are ANDed
self.assertQuerysetEqual(
Article.objects.filter(Q(headline__startswith='Hello'), Q(headline__contains='bye')), [
'Hello and goodbye'
],
attrgetter("headline")
)
# Q arg AND order is irrelevant
self.assertQuerysetEqual(
Article.objects.filter(Q(headline__contains='bye'), headline__startswith='Hello'), [
'Hello and goodbye'
],
attrgetter("headline"),
)
self.assertQuerysetEqual(
Article.objects.filter(Q(headline__startswith='Hello') & Q(headline__startswith='Goodbye')),
[]
)
def test_q_exclude(self):
self.assertQuerysetEqual(
Article.objects.exclude(Q(headline__startswith='Hello')), [
'Goodbye'
],
attrgetter("headline")
)
def test_other_arg_queries(self):
# Try some arg queries with operations other than filter.
self.assertEqual(
Article.objects.get(Q(headline__startswith='Hello'), Q(headline__contains='bye')).headline,
'Hello and goodbye'
)
self.assertEqual(
Article.objects.filter(Q(headline__startswith='Hello') | Q(headline__contains='bye')).count(),
3
)
self.assertQuerysetEqual(
Article.objects.filter(Q(headline__startswith='Hello'), Q(headline__contains='bye')).values(), [
{"headline": "Hello and goodbye", "id": self.a3, "pub_date": datetime(2005, 11, 29)},
],
lambda o: o,
)
self.assertEqual(
Article.objects.filter(Q(headline__startswith='Hello')).in_bulk([self.a1, self.a2]),
{self.a1: Article.objects.get(pk=self.a1)}
)