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Made the reg-exp lookup tests more robust. they now pass for all database 

backends and are not dependent on locale sorting order.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@5579 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2007-07-01 04:47:46 +00:00
parent acf0ff02e7
commit 3a892122f2
1 changed files with 29 additions and 26 deletions
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55
tests/modeltests/lookup/models.py
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@ -5,6 +5,7 @@ This demonstrates features of the database API.
"""
from django.db import models
from django.conf import settings
class Article(models.Model):
headline = models.CharField(maxlength=100)
@ -263,14 +264,14 @@ TypeError: Cannot resolve keyword 'headline__starts' into field. Choices are: id
>>> a3.save()
>>> a4 = Article(pub_date=now, headline='fooo')
>>> a4.save()
>>> a5 = Article(pub_date=now, headline='Foo')
>>> a5 = Article(pub_date=now, headline='hey-Foo')
>>> a5.save()
# zero-or-more
>>> Article.objects.filter(headline__regex=r'fo*')
[<Article: f>, <Article: fo>, <Article: foo>, <Article: fooo>]
>>> Article.objects.filter(headline__iregex=r'fo*')
[<Article: Foo>, <Article: f>, <Article: fo>, <Article: foo>, <Article: fooo>]
[<Article: f>, <Article: fo>, <Article: foo>, <Article: fooo>, <Article: hey-Foo>]
# one-or-more
>>> Article.objects.filter(headline__regex=r'fo+')
@ -283,39 +284,39 @@ TypeError: Cannot resolve keyword 'headline__starts' into field. Choices are: id
# and some more:
>>> a6 = Article(pub_date=now, headline='bar')
>>> a6.save()
>>> a7 = Article(pub_date=now, headline='Bar')
>>> a7 = Article(pub_date=now, headline='AbBa')
>>> a7.save()
>>> a8 = Article(pub_date=now, headline='baz')
>>> a8.save()
>>> a9 = Article(pub_date=now, headline='baZ')
>>> a9 = Article(pub_date=now, headline='baxZ')
>>> a9.save()
# leading anchor
>>> Article.objects.filter(headline__regex=r'^b')
[<Article: baZ>, <Article: bar>, <Article: baz>]
>>> Article.objects.filter(headline__iregex=r'^b')
[<Article: Bar>, <Article: baZ>, <Article: bar>, <Article: baz>]
[<Article: bar>, <Article: baxZ>, <Article: baz>]
>>> Article.objects.filter(headline__iregex=r'^a')
[<Article: AbBa>]
# trailing anchor
>>> Article.objects.filter(headline__regex=r'z$')
[<Article: baz>]
>>> Article.objects.filter(headline__iregex=r'z$')
[<Article: baZ>, <Article: baz>]
[<Article: baxZ>, <Article: baz>]
# character sets
>>> Article.objects.filter(headline__regex=r'ba[rz]')
[<Article: bar>, <Article: baz>]
>>> Article.objects.filter(headline__regex=r'ba[RZ]')
[<Article: baZ>]
>>> Article.objects.filter(headline__iregex=r'ba[RZ]')
[<Article: Bar>, <Article: baZ>, <Article: bar>, <Article: baz>]
>>> Article.objects.filter(headline__regex=r'ba.[RxZ]')
[<Article: baxZ>]
>>> Article.objects.filter(headline__iregex=r'ba[RxZ]')
[<Article: bar>, <Article: baxZ>, <Article: baz>]
# and yet more:
>>> a10 = Article(pub_date=now, headline='foobar')
>>> a10.save()
>>> a11 = Article(pub_date=now, headline='foobaz')
>>> a11.save()
>>> a12 = Article(pub_date=now, headline='FooBarBaz')
>>> a12 = Article(pub_date=now, headline='ooF')
>>> a12.save()
>>> a13 = Article(pub_date=now, headline='foobarbaz')
>>> a13.save()
@ -323,26 +324,28 @@ TypeError: Cannot resolve keyword 'headline__starts' into field. Choices are: id
>>> a14.save()
>>> a15 = Article(pub_date=now, headline='barfoobaz')
>>> a15.save()
>>> a16 = Article(pub_date=now, headline='BAZBARFOO')
>>> a16 = Article(pub_date=now, headline='bazbaRFOO')
>>> a16.save()
# alternation
>>> Article.objects.filter(headline__regex=r'foo(bar|baz)')
>>> Article.objects.filter(headline__regex=r'oo(f|b)')
[<Article: barfoobaz>, <Article: foobar>, <Article: foobarbaz>, <Article: foobaz>]
>>> Article.objects.filter(headline__iregex=r'foo(bar|baz)')
[<Article: FooBarBaz>, <Article: barfoobaz>, <Article: foobar>, <Article: foobarbaz>, <Article: foobaz>]
>>> Article.objects.filter(headline__regex=r'^foo(bar|baz)')
>>> Article.objects.filter(headline__iregex=r'oo(f|b)')
[<Article: barfoobaz>, <Article: foobar>, <Article: foobarbaz>, <Article: foobaz>, <Article: ooF>]
>>> Article.objects.filter(headline__regex=r'^foo(f|b)')
[<Article: foobar>, <Article: foobarbaz>, <Article: foobaz>]
# greedy matching
>>> Article.objects.filter(headline__regex=r'f.*z')
[<Article: barfoobaz>, <Article: foobarbaz>, <Article: foobaz>, <Article: zoocarfaz>]
>>> Article.objects.filter(headline__iregex=r'f.*z')
[<Article: FooBarBaz>, <Article: barfoobaz>, <Article: foobarbaz>, <Article: foobaz>, <Article: zoocarfaz>]
>>> Article.objects.filter(headline__regex=r'b.*az')
[<Article: barfoobaz>, <Article: baz>, <Article: bazbaRFOO>, <Article: foobarbaz>, <Article: foobaz>]
>>> Article.objects.filter(headline__iregex=r'b.*ar')
[<Article: bar>, <Article: barfoobaz>, <Article: bazbaRFOO>, <Article: foobar>, <Article: foobarbaz>]
"""}
if settings.DATABASE_ENGINE not in ('mysql', 'mysql_old'):
__test__['API_TESTS'] += r"""
# grouping and backreferences
>>> Article.objects.filter(headline__regex=r'b(.).*b\1')
[<Article: barfoobaz>, <Article: foobarbaz>]
>>> Article.objects.filter(headline__iregex=r'b(.).*b\1')
[<Article: BAZBARFOO>, <Article: FooBarBaz>, <Article: barfoobaz>, <Article: foobarbaz>]
"""}
[<Article: barfoobaz>, <Article: bazbaRFOO>, <Article: foobarbaz>]
"""