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Fixed #26176 -- Fixed E123 flake8 warnings.

This commit is contained in:
Tim Graham 2016-02-05 13:53:03 -05:00
parent 275314512d
commit 406675b1a0
16 changed files with 536 additions and 548 deletions
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2
django/contrib/admin/checks.py
View File

@ -58,7 +58,7 @@ def check_dependencies(**kwargs):
"'django.contrib.auth.context_processors.auth' must be in "
"TEMPLATES in order to use the admin application.",
id="admin.E402"
)
)
errors.append(missing_template)
return errors

14
django/contrib/flatpages/forms.py
View File

@ -5,12 +5,16 @@ from django.utils.translation import ugettext, ugettext_lazy as _
class FlatpageForm(forms.ModelForm):
url = forms.RegexField(label=_("URL"), max_length=100, regex=r'^[-\w/\.~]+$',
help_text=_("Example: '/about/contact/'. Make sure to have leading"
" and trailing slashes."),
url = forms.RegexField(
label=_("URL"),
max_length=100,
regex=r'^[-\w/\.~]+$',
help_text=_("Example: '/about/contact/'. Make sure to have leading and trailing slashes."),
error_messages={
"invalid": _("This value must contain only letters, numbers,"
" dots, underscores, dashes, slashes or tildes."),
"invalid": _(
"This value must contain only letters, numbers, dots, "
"underscores, dashes, slashes or tildes."
),
},
)

5
django/contrib/flatpages/models.py
View File

@ -13,7 +13,10 @@ class FlatPage(models.Model):
title = models.CharField(_('title'), max_length=200)
content = models.TextField(_('content'), blank=True)
enable_comments = models.BooleanField(_('enable comments'), default=False)
template_name = models.CharField(_('template name'), max_length=70, blank=True,
template_name = models.CharField(
_('template name'),
max_length=70,
blank=True,
help_text=_(
"Example: 'flatpages/contact_page.html'. If this isn't provided, "
"the system will use 'flatpages/default.html'."

3
django/contrib/gis/gdal/prototypes/raster.py
View File

@ -62,7 +62,8 @@ get_band_ds = voidptr_output(std_call('GDALGetBandDataset'), [c_void_p])
get_band_datatype = int_output(std_call('GDALGetRasterDataType'), [c_void_p])
get_band_nodata_value = double_output(std_call('GDALGetRasterNoDataValue'), [c_void_p, POINTER(c_int)])
set_band_nodata_value = void_output(std_call('GDALSetRasterNoDataValue'), [c_void_p, c_double])
get_band_statistics = void_output(std_call('GDALGetRasterStatistics'),
get_band_statistics = void_output(
std_call('GDALGetRasterStatistics'),
[
c_void_p, c_int, c_int, POINTER(c_double), POINTER(c_double),
POINTER(c_double), POINTER(c_double), c_void_p, c_void_p,

6
django/views/generic/dates.py
View File

@ -658,11 +658,11 @@ class BaseDateDetailView(YearMixin, MonthMixin, DayMixin, DateMixin, BaseDetailV
if not self.get_allow_future() and date > datetime.date.today():
raise Http404(_(
"Future %(verbose_name_plural)s not available because "
"%(class_name)s.allow_future is False.") % {
"%(class_name)s.allow_future is False."
) % {
'verbose_name_plural': qs.model._meta.verbose_name_plural,
'class_name': self.__class__.__name__,
},
)
})
# Filter down a queryset from self.queryset using the date from the
# URL. This'll get passed as the queryset to DetailView.get_object,

2
setup.cfg
View File

@ -4,7 +4,7 @@ install-script = scripts/rpm-install.sh
[flake8]
exclude = build,.git,./django/utils/lru_cache.py,./django/utils/six.py,./django/conf/app_template/*,./django/dispatch/weakref_backports.py,./tests/.env,./xmlrunner,tests/view_tests/tests/py3_test_debug.py,tests/template_tests/annotated_tag_function.py
ignore = E123,E128,E402,W503,W601
ignore = E128,E402,W503,W601
max-line-length = 119
[isort]

2
tests/aggregation_regress/tests.py
View File

@ -963,7 +963,7 @@ class AggregationTests(TestCase):
"""
books = Book.objects.values_list("publisher__name").annotate(
Count("id"), Avg("price"), Avg("authors__age"), avg_pgs=Avg("pages")
).order_by("-publisher__name")
).order_by("-publisher__name")
self.assertEqual(books[0], ('Sams', 1, 23.09, 45.0, 528.0))
def test_annotation_disjunction(self):

5
tests/annotations/tests.py
View File

@ -428,8 +428,9 @@ class NonAggregateAnnotationTestCase(TestCase):
F('ticker_name'),
F('description'),
Value('No Tag'),
function='COALESCE')
).order_by('name')
function='COALESCE'
)
).order_by('name')
self.assertQuerysetEqual(
qs, [

2
tests/gis_tests/geoapp/test_functions.py
View File

@ -89,7 +89,7 @@ class GISFunctionsTests(TestCase):
chicago_json,
City.objects.annotate(
geojson=functions.AsGeoJSON('point', bbox=True, crs=True, precision=5)
).get(name='Chicago').geojson
).get(name='Chicago').geojson
)
@skipUnlessDBFeature("has_AsGML_function")

9
tests/gis_tests/gis_migrations/test_commands.py
View File

@ -56,10 +56,9 @@ class MigrateTests(TransactionTestCase):
# Not all GIS backends have geometry columns model
pass
else:
self.assertEqual(
GeoColumn.objects.filter(
**{'%s__in' % GeoColumn.table_name_col(): ["gis_neighborhood", "gis_household"]}
).count(),
0)
qs = GeoColumn.objects.filter(
**{'%s__in' % GeoColumn.table_name_col(): ["gis_neighborhood", "gis_household"]}
)
self.assertEqual(qs.count(), 0)
# Revert the "unmigration"
call_command("migrate", "gis_migrations", verbosity=0)

435
tests/lookup/tests.py
View File

@ -16,34 +16,22 @@ class LookupTests(TestCase):
def setUp(self):
# Create a few Authors.
self.au1 = Author(name='Author 1')
self.au1.save()
self.au2 = Author(name='Author 2')
self.au2.save()
self.au1 = Author.objects.create(name='Author 1')
self.au2 = Author.objects.create(name='Author 2')
# Create a couple of Articles.
self.a1 = Article(headline='Article 1', pub_date=datetime(2005, 7, 26), author=self.au1)
self.a1.save()
self.a2 = Article(headline='Article 2', pub_date=datetime(2005, 7, 27), author=self.au1)
self.a2.save()
self.a3 = Article(headline='Article 3', pub_date=datetime(2005, 7, 27), author=self.au1)
self.a3.save()
self.a4 = Article(headline='Article 4', pub_date=datetime(2005, 7, 28), author=self.au1)
self.a4.save()
self.a5 = Article(headline='Article 5', pub_date=datetime(2005, 8, 1, 9, 0), author=self.au2)
self.a5.save()
self.a6 = Article(headline='Article 6', pub_date=datetime(2005, 8, 1, 8, 0), author=self.au2)
self.a6.save()
self.a7 = Article(headline='Article 7', pub_date=datetime(2005, 7, 27), author=self.au2)
self.a7.save()
self.a1 = Article.objects.create(headline='Article 1', pub_date=datetime(2005, 7, 26), author=self.au1)
self.a2 = Article.objects.create(headline='Article 2', pub_date=datetime(2005, 7, 27), author=self.au1)
self.a3 = Article.objects.create(headline='Article 3', pub_date=datetime(2005, 7, 27), author=self.au1)
self.a4 = Article.objects.create(headline='Article 4', pub_date=datetime(2005, 7, 28), author=self.au1)
self.a5 = Article.objects.create(headline='Article 5', pub_date=datetime(2005, 8, 1, 9, 0), author=self.au2)
self.a6 = Article.objects.create(headline='Article 6', pub_date=datetime(2005, 8, 1, 8, 0), author=self.au2)
self.a7 = Article.objects.create(headline='Article 7', pub_date=datetime(2005, 7, 27), author=self.au2)
# Create a few Tags.
self.t1 = Tag(name='Tag 1')
self.t1.save()
self.t1 = Tag.objects.create(name='Tag 1')
self.t1.articles.add(self.a1, self.a2, self.a3)
self.t2 = Tag(name='Tag 2')
self.t2.save()
self.t2 = Tag.objects.create(name='Tag 2')
self.t2.articles.add(self.a3, self.a4, self.a5)
self.t3 = Tag(name='Tag 3')
self.t3.save()
self.t3 = Tag.objects.create(name='Tag 3')
self.t3.articles.add(self.a5, self.a6, self.a7)
def test_exists(self):
@ -62,7 +50,8 @@ class LookupTests(TestCase):
@skipUnlessDBFeature('supports_date_lookup_using_string')
def test_lookup_date_as_str(self):
# A date lookup can be performed using a string search
self.assertQuerysetEqual(Article.objects.filter(pub_date__startswith='2005'),
self.assertQuerysetEqual(
Article.objects.filter(pub_date__startswith='2005'),
[
'<Article: Article 5>',
'<Article: Article 6>',
@ -71,14 +60,16 @@ class LookupTests(TestCase):
'<Article: Article 3>',
'<Article: Article 7>',
'<Article: Article 1>',
])
]
)
def test_iterator(self):
# Each QuerySet gets iterator(), which is a generator that "lazily"
# returns results using database-level iteration.
self.assertIsInstance(Article.objects.iterator(), collections.Iterator)
self.assertQuerysetEqual(Article.objects.iterator(),
self.assertQuerysetEqual(
Article.objects.iterator(),
[
'Article 5',
'Article 6',
@ -88,7 +79,8 @@ class LookupTests(TestCase):
'Article 7',
'Article 1',
],
transform=attrgetter('headline'))
transform=attrgetter('headline')
)
# iterator() can be used on any QuerySet.
self.assertQuerysetEqual(
Article.objects.filter(headline__endswith='4').iterator(),
@ -144,7 +136,8 @@ class LookupTests(TestCase):
# and you can specify which fields you want to retrieve.
def identity(x):
return x
self.assertQuerysetEqual(Article.objects.values('headline'),
self.assertQuerysetEqual(
Article.objects.values('headline'),
[
{'headline': 'Article 5'},
{'headline': 'Article 6'},
@ -154,12 +147,15 @@ class LookupTests(TestCase):
{'headline': 'Article 7'},
{'headline': 'Article 1'},
],
transform=identity)
transform=identity
)
self.assertQuerysetEqual(
Article.objects.filter(pub_date__exact=datetime(2005, 7, 27)).values('id'),
[{'id': self.a2.id}, {'id': self.a3.id}, {'id': self.a7.id}],
transform=identity)
self.assertQuerysetEqual(Article.objects.values('id', 'headline'),
transform=identity
)
self.assertQuerysetEqual(
Article.objects.values('id', 'headline'),
[
{'id': self.a5.id, 'headline': 'Article 5'},
{'id': self.a6.id, 'headline': 'Article 6'},
@ -169,10 +165,12 @@ class LookupTests(TestCase):
{'id': self.a7.id, 'headline': 'Article 7'},
{'id': self.a1.id, 'headline': 'Article 1'},
],
transform=identity)
transform=identity
)
# You can use values() with iterator() for memory savings,
# because iterator() uses database-level iteration.
self.assertQuerysetEqual(Article.objects.values('id', 'headline').iterator(),
self.assertQuerysetEqual(
Article.objects.values('id', 'headline').iterator(),
[
{'headline': 'Article 5', 'id': self.a5.id},
{'headline': 'Article 6', 'id': self.a6.id},
@ -182,7 +180,8 @@ class LookupTests(TestCase):
{'headline': 'Article 7', 'id': self.a7.id},
{'headline': 'Article 1', 'id': self.a1.id},
],
transform=identity)
transform=identity
)
# The values() method works with "extra" fields specified in extra(select).
self.assertQuerysetEqual(
Article.objects.extra(select={'id_plus_one': 'id + 1'}).values('id', 'id_plus_one'),
@ -195,7 +194,8 @@ class LookupTests(TestCase):
{'id': self.a7.id, 'id_plus_one': self.a7.id + 1},
{'id': self.a1.id, 'id_plus_one': self.a1.id + 1},
],
transform=identity)
transform=identity
)
data = {
'id_plus_one': 'id+1',
'id_plus_two': 'id+2',
@ -217,7 +217,8 @@ class LookupTests(TestCase):
'id_plus_six': self.a1.id + 6,
'id_plus_seven': self.a1.id + 7,
'id_plus_eight': self.a1.id + 8,
}], transform=identity)
}], transform=identity
)
# You can specify fields from forward and reverse relations, just like filter().
self.assertQuerysetEqual(
Article.objects.values('headline', 'author__name'),
@ -229,7 +230,8 @@ class LookupTests(TestCase):
{'headline': self.a3.headline, 'author__name': self.au1.name},
{'headline': self.a7.headline, 'author__name': self.au2.name},
{'headline': self.a1.headline, 'author__name': self.au1.name},
], transform=identity)
], transform=identity
)
self.assertQuerysetEqual(
Author.objects.values('name', 'article__headline').order_by('name', 'article__headline'),
[
@ -240,7 +242,8 @@ class LookupTests(TestCase):
{'name': self.au2.name, 'article__headline': self.a5.headline},
{'name': self.au2.name, 'article__headline': self.a6.headline},
{'name': self.au2.name, 'article__headline': self.a7.headline},
], transform=identity)
], transform=identity
)
self.assertQuerysetEqual(
(
Author.objects
@ -257,20 +260,24 @@ class LookupTests(TestCase):
{'name': self.au2.name, 'article__headline': self.a5.headline, 'article__tag__name': self.t3.name},
{'name': self.au2.name, 'article__headline': self.a6.headline, 'article__tag__name': self.t3.name},
{'name': self.au2.name, 'article__headline': self.a7.headline, 'article__tag__name': self.t3.name},
], transform=identity)
], transform=identity
)
# However, an exception FieldDoesNotExist will be thrown if you specify
# a non-existent field name in values() (a field that is neither in the
# model nor in extra(select)).
with self.assertRaises(FieldError):
Article.objects.extra(select={'id_plus_one': 'id + 1'}).values('id', 'id_plus_two')
# If you don't specify field names to values(), all are returned.
self.assertQuerysetEqual(Article.objects.filter(id=self.a5.id).values(),
self.assertQuerysetEqual(
Article.objects.filter(id=self.a5.id).values(),
[{
'id': self.a5.id,
'author_id': self.au2.id,
'headline': 'Article 5',
'pub_date': datetime(2005, 8, 1, 9, 0)
}], transform=identity)
}],
transform=identity
)
def test_values_list(self):
# values_list() is similar to values(), except that the results are
@ -279,7 +286,8 @@ class LookupTests(TestCase):
# of fields in the values_list() call.
def identity(x):
return x
self.assertQuerysetEqual(Article.objects.values_list('headline'),
self.assertQuerysetEqual(
Article.objects.values_list('headline'),
[
('Article 5',),
('Article 6',),
@ -288,22 +296,25 @@ class LookupTests(TestCase):
('Article 3',),
('Article 7',),
('Article 1',),
], transform=identity)
self.assertQuerysetEqual(Article.objects.values_list('id').order_by('id'),
], transform=identity
)
self.assertQuerysetEqual(
Article.objects.values_list('id').order_by('id'),
[(self.a1.id,), (self.a2.id,), (self.a3.id,), (self.a4.id,), (self.a5.id,), (self.a6.id,), (self.a7.id,)],
transform=identity)
transform=identity
)
self.assertQuerysetEqual(
Article.objects.values_list('id', flat=True).order_by('id'),
[self.a1.id, self.a2.id, self.a3.id, self.a4.id, self.a5.id, self.a6.id, self.a7.id],
transform=identity)
transform=identity
)
self.assertQuerysetEqual(
Article.objects.extra(select={'id_plus_one': 'id+1'})
.order_by('id').values_list('id'),
Article.objects.extra(select={'id_plus_one': 'id+1'}).order_by('id').values_list('id'),
[(self.a1.id,), (self.a2.id,), (self.a3.id,), (self.a4.id,), (self.a5.id,), (self.a6.id,), (self.a7.id,)],
transform=identity)
transform=identity
)
self.assertQuerysetEqual(
Article.objects.extra(select={'id_plus_one': 'id+1'})
.order_by('id').values_list('id_plus_one', 'id'),
Article.objects.extra(select={'id_plus_one': 'id+1'}).order_by('id').values_list('id_plus_one', 'id'),
[
(self.a1.id + 1, self.a1.id),
(self.a2.id + 1, self.a2.id),
@ -313,10 +324,10 @@ class LookupTests(TestCase):
(self.a6.id + 1, self.a6.id),
(self.a7.id + 1, self.a7.id)
],
transform=identity)
transform=identity
)
self.assertQuerysetEqual(
Article.objects.extra(select={'id_plus_one': 'id+1'})
.order_by('id').values_list('id', 'id_plus_one'),
Article.objects.extra(select={'id_plus_one': 'id+1'}).order_by('id').values_list('id', 'id_plus_one'),
[
(self.a1.id, self.a1.id + 1),
(self.a2.id, self.a2.id + 1),
@ -326,13 +337,11 @@ class LookupTests(TestCase):
(self.a6.id, self.a6.id + 1),
(self.a7.id, self.a7.id + 1)
],
transform=identity)
transform=identity
)
args = ('name', 'article__headline', 'article__tag__name')
self.assertQuerysetEqual(
(
Author.objects
.values_list('name', 'article__headline', 'article__tag__name')
.order_by('name', 'article__headline', 'article__tag__name')
),
Author.objects.values_list(*args).order_by(*args),
[
(self.au1.name, self.a1.headline, self.t1.name),
(self.au1.name, self.a2.headline, self.t1.name),
@ -343,7 +352,8 @@ class LookupTests(TestCase):
(self.au2.name, self.a5.headline, self.t3.name),
(self.au2.name, self.a6.headline, self.t3.name),
(self.au2.name, self.a7.headline, self.t3.name),
], transform=identity)
], transform=identity
)
with self.assertRaises(TypeError):
Article.objects.values_list('id', 'headline', flat=True)
@ -352,42 +362,30 @@ class LookupTests(TestCase):
# get_previous_by_FOO() methods. In the case of identical date values,
# these methods will use the ID as a fallback check. This guarantees
# that no records are skipped or duplicated.
self.assertEqual(repr(self.a1.get_next_by_pub_date()),
'<Article: Article 2>')
self.assertEqual(repr(self.a2.get_next_by_pub_date()),
'<Article: Article 3>')
self.assertEqual(repr(self.a2.get_next_by_pub_date(headline__endswith='6')),
'<Article: Article 6>')
self.assertEqual(repr(self.a3.get_next_by_pub_date()),
'<Article: Article 7>')
self.assertEqual(repr(self.a4.get_next_by_pub_date()),
'<Article: Article 6>')
self.assertEqual(repr(self.a1.get_next_by_pub_date()), '<Article: Article 2>')
self.assertEqual(repr(self.a2.get_next_by_pub_date()), '<Article: Article 3>')
self.assertEqual(repr(self.a2.get_next_by_pub_date(headline__endswith='6')), '<Article: Article 6>')
self.assertEqual(repr(self.a3.get_next_by_pub_date()), '<Article: Article 7>')
self.assertEqual(repr(self.a4.get_next_by_pub_date()), '<Article: Article 6>')
with self.assertRaises(Article.DoesNotExist):
self.a5.get_next_by_pub_date()
self.assertEqual(repr(self.a6.get_next_by_pub_date()),
'<Article: Article 5>')
self.assertEqual(repr(self.a7.get_next_by_pub_date()),
'<Article: Article 4>')
self.assertEqual(repr(self.a6.get_next_by_pub_date()), '<Article: Article 5>')
self.assertEqual(repr(self.a7.get_next_by_pub_date()), '<Article: Article 4>')
self.assertEqual(repr(self.a7.get_previous_by_pub_date()),
'<Article: Article 3>')
self.assertEqual(repr(self.a6.get_previous_by_pub_date()),
'<Article: Article 4>')
self.assertEqual(repr(self.a5.get_previous_by_pub_date()),
'<Article: Article 6>')
self.assertEqual(repr(self.a4.get_previous_by_pub_date()),
'<Article: Article 7>')
self.assertEqual(repr(self.a3.get_previous_by_pub_date()),
'<Article: Article 2>')
self.assertEqual(repr(self.a2.get_previous_by_pub_date()),
'<Article: Article 1>')
self.assertEqual(repr(self.a7.get_previous_by_pub_date()), '<Article: Article 3>')
self.assertEqual(repr(self.a6.get_previous_by_pub_date()), '<Article: Article 4>')
self.assertEqual(repr(self.a5.get_previous_by_pub_date()), '<Article: Article 6>')
self.assertEqual(repr(self.a4.get_previous_by_pub_date()), '<Article: Article 7>')
self.assertEqual(repr(self.a3.get_previous_by_pub_date()), '<Article: Article 2>')
self.assertEqual(repr(self.a2.get_previous_by_pub_date()), '<Article: Article 1>')
def test_escaping(self):
# Underscores, percent signs and backslashes have special meaning in the
# underlying SQL code, but Django handles the quoting of them automatically.
a8 = Article(headline='Article_ with underscore', pub_date=datetime(2005, 11, 20))
a8.save()
self.assertQuerysetEqual(Article.objects.filter(headline__startswith='Article'),
Article.objects.create(headline='Article_ with underscore', pub_date=datetime(2005, 11, 20))
self.assertQuerysetEqual(
Article.objects.filter(headline__startswith='Article'),
[
'<Article: Article_ with underscore>',
'<Article: Article 5>',
@ -397,12 +395,15 @@ class LookupTests(TestCase):
'<Article: Article 3>',
'<Article: Article 7>',
'<Article: Article 1>',
])
self.assertQuerysetEqual(Article.objects.filter(headline__startswith='Article_'),
['<Article: Article_ with underscore>'])
a9 = Article(headline='Article% with percent sign', pub_date=datetime(2005, 11, 21))
a9.save()
self.assertQuerysetEqual(Article.objects.filter(headline__startswith='Article'),
]
)
self.assertQuerysetEqual(
Article.objects.filter(headline__startswith='Article_'),
['<Article: Article_ with underscore>']
)
Article.objects.create(headline='Article% with percent sign', pub_date=datetime(2005, 11, 21))
self.assertQuerysetEqual(
Article.objects.filter(headline__startswith='Article'),
[
'<Article: Article% with percent sign>',
'<Article: Article_ with underscore>',
@ -413,13 +414,17 @@ class LookupTests(TestCase):
'<Article: Article 3>',
'<Article: Article 7>',
'<Article: Article 1>',
])
self.assertQuerysetEqual(Article.objects.filter(headline__startswith='Article%'),
['<Article: Article% with percent sign>'])
a10 = Article(headline='Article with \\ backslash', pub_date=datetime(2005, 11, 22))
a10.save()
self.assertQuerysetEqual(Article.objects.filter(headline__contains='\\'),
['<Article: Article with \ backslash>'])
]
)
self.assertQuerysetEqual(
Article.objects.filter(headline__startswith='Article%'),
['<Article: Article% with percent sign>']
)
Article.objects.create(headline='Article with \\ backslash', pub_date=datetime(2005, 11, 22))
self.assertQuerysetEqual(
Article.objects.filter(headline__contains='\\'),
['<Article: Article with \ backslash>']
)
def test_exclude(self):
Article.objects.create(headline='Article_ with underscore', pub_date=datetime(2005, 11, 20))
@ -437,8 +442,10 @@ class LookupTests(TestCase):
'<Article: Article 3>',
'<Article: Article 7>',
'<Article: Article 1>',
])
self.assertQuerysetEqual(Article.objects.exclude(headline__startswith="Article_"),
]
)
self.assertQuerysetEqual(
Article.objects.exclude(headline__startswith="Article_"),
[
'<Article: Article with \\ backslash>',
'<Article: Article% with percent sign>',
@ -449,8 +456,10 @@ class LookupTests(TestCase):
'<Article: Article 3>',
'<Article: Article 7>',
'<Article: Article 1>',
])
self.assertQuerysetEqual(Article.objects.exclude(headline="Article 7"),
]
)
self.assertQuerysetEqual(
Article.objects.exclude(headline="Article 7"),
[
'<Article: Article with \\ backslash>',
'<Article: Article% with percent sign>',
@ -461,26 +470,23 @@ class LookupTests(TestCase):
'<Article: Article 2>',
'<Article: Article 3>',
'<Article: Article 1>',
])
]
)
def test_none(self):
# none() returns a QuerySet that behaves like any other QuerySet object
self.assertQuerysetEqual(Article.objects.none(), [])
self.assertQuerysetEqual(
Article.objects.none().filter(headline__startswith='Article'), [])
self.assertQuerysetEqual(
Article.objects.filter(headline__startswith='Article').none(), [])
self.assertQuerysetEqual(Article.objects.none().filter(headline__startswith='Article'), [])
self.assertQuerysetEqual(Article.objects.filter(headline__startswith='Article').none(), [])
self.assertEqual(Article.objects.none().count(), 0)
self.assertEqual(
Article.objects.none().update(headline="This should not take effect"), 0)
self.assertQuerysetEqual(
[article for article in Article.objects.none().iterator()],
[])
self.assertEqual(Article.objects.none().update(headline="This should not take effect"), 0)
self.assertQuerysetEqual([article for article in Article.objects.none().iterator()], [])
def test_in(self):
# using __in with an empty list should return an empty query set
self.assertQuerysetEqual(Article.objects.filter(id__in=[]), [])
self.assertQuerysetEqual(Article.objects.exclude(id__in=[]),
self.assertQuerysetEqual(
Article.objects.exclude(id__in=[]),
[
'<Article: Article 5>',
'<Article: Article 6>',
@ -489,24 +495,24 @@ class LookupTests(TestCase):
'<Article: Article 3>',
'<Article: Article 7>',
'<Article: Article 1>',
])
]
)
def test_error_messages(self):
# Programming errors are pointed out with nice error messages
try:
with self.assertRaisesMessage(
FieldError,
"Cannot resolve keyword 'pub_date_year' into field. Choices are: "
"author, author_id, headline, id, pub_date, tag"
):
Article.objects.filter(pub_date_year='2005').count()
self.fail('FieldError not raised')
except FieldError as ex:
self.assertEqual(str(ex), "Cannot resolve keyword 'pub_date_year' "
"into field. Choices are: author, author_id, headline, "
"id, pub_date, tag")
try:
with self.assertRaisesMessage(
FieldError,
"Unsupported lookup 'starts' for CharField or join on the field "
"not permitted."
):
Article.objects.filter(headline__starts='Article')
self.fail('FieldError not raised')
except FieldError as ex:
self.assertEqual(
str(ex), "Unsupported lookup 'starts' for CharField "
"or join on the field not permitted.")
def test_relation_nested_lookup_error(self):
# An invalid nested lookup on a related field raises a useful error.
@ -519,132 +525,134 @@ class LookupTests(TestCase):
for a in Article.objects.all():
a.delete()
now = datetime.now()
a1 = Article(pub_date=now, headline='f')
a1.save()
a2 = Article(pub_date=now, headline='fo')
a2.save()
a3 = Article(pub_date=now, headline='foo')
a3.save()
a4 = Article(pub_date=now, headline='fooo')
a4.save()
a5 = Article(pub_date=now, headline='hey-Foo')
a5.save()
a6 = Article(pub_date=now, headline='bar')
a6.save()
a7 = Article(pub_date=now, headline='AbBa')
a7.save()
a8 = Article(pub_date=now, headline='baz')
a8.save()
a9 = Article(pub_date=now, headline='baxZ')
a9.save()
Article.objects.create(pub_date=now, headline='f')
Article.objects.create(pub_date=now, headline='fo')
Article.objects.create(pub_date=now, headline='foo')
Article.objects.create(pub_date=now, headline='fooo')
Article.objects.create(pub_date=now, headline='hey-Foo')
Article.objects.create(pub_date=now, headline='bar')
Article.objects.create(pub_date=now, headline='AbBa')
Article.objects.create(pub_date=now, headline='baz')
Article.objects.create(pub_date=now, headline='baxZ')
# zero-or-more
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'fo*'),
['<Article: f>', '<Article: fo>', '<Article: foo>', '<Article: fooo>'])
self.assertQuerysetEqual(Article.objects.filter(headline__iregex=r'fo*'),
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'fo*'),
['<Article: f>', '<Article: fo>', '<Article: foo>', '<Article: fooo>']
)
self.assertQuerysetEqual(
Article.objects.filter(headline__iregex=r'fo*'),
[
'<Article: f>',
'<Article: fo>',
'<Article: foo>',
'<Article: fooo>',
'<Article: hey-Foo>',
])
]
)
# one-or-more
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'fo+'),
['<Article: fo>', '<Article: foo>', '<Article: fooo>'])
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'fo+'),
['<Article: fo>', '<Article: foo>', '<Article: fooo>']
)
# wildcard
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'fooo?'),
['<Article: foo>', '<Article: fooo>'])
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'fooo?'),
['<Article: foo>', '<Article: fooo>']
)
# leading anchor
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'^b'),
['<Article: bar>', '<Article: baxZ>', '<Article: baz>'])
self.assertQuerysetEqual(Article.objects.filter(headline__iregex=r'^a'),
['<Article: AbBa>'])
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'^b'),
['<Article: bar>', '<Article: baxZ>', '<Article: baz>']
)
self.assertQuerysetEqual(Article.objects.filter(headline__iregex=r'^a'), ['<Article: AbBa>'])
# trailing anchor
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'z$'),
['<Article: baz>'])
self.assertQuerysetEqual(Article.objects.filter(headline__iregex=r'z$'),
['<Article: baxZ>', '<Article: baz>'])
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'z$'), ['<Article: baz>'])
self.assertQuerysetEqual(
Article.objects.filter(headline__iregex=r'z$'),
['<Article: baxZ>', '<Article: baz>']
)
# character sets
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'ba[rz]'),
['<Article: bar>', '<Article: baz>'])
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'ba.[RxZ]'),
['<Article: baxZ>'])
self.assertQuerysetEqual(Article.objects.filter(headline__iregex=r'ba[RxZ]'),
['<Article: bar>', '<Article: baxZ>', '<Article: baz>'])
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'ba[rz]'),
['<Article: bar>', '<Article: baz>']
)
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'ba.[RxZ]'), ['<Article: baxZ>'])
self.assertQuerysetEqual(
Article.objects.filter(headline__iregex=r'ba[RxZ]'),
['<Article: bar>', '<Article: baxZ>', '<Article: baz>']
)
# and more articles:
a10 = Article(pub_date=now, headline='foobar')
a10.save()
a11 = Article(pub_date=now, headline='foobaz')
a11.save()
a12 = Article(pub_date=now, headline='ooF')
a12.save()
a13 = Article(pub_date=now, headline='foobarbaz')
a13.save()
a14 = Article(pub_date=now, headline='zoocarfaz')
a14.save()
a15 = Article(pub_date=now, headline='barfoobaz')
a15.save()
a16 = Article(pub_date=now, headline='bazbaRFOO')
a16.save()
Article.objects.create(pub_date=now, headline='foobar')
Article.objects.create(pub_date=now, headline='foobaz')
Article.objects.create(pub_date=now, headline='ooF')
Article.objects.create(pub_date=now, headline='foobarbaz')
Article.objects.create(pub_date=now, headline='zoocarfaz')
Article.objects.create(pub_date=now, headline='barfoobaz')
Article.objects.create(pub_date=now, headline='bazbaRFOO')
# alternation
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'oo(f|b)'),
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'oo(f|b)'),
[
'<Article: barfoobaz>',
'<Article: foobar>',
'<Article: foobarbaz>',
'<Article: foobaz>',
])
self.assertQuerysetEqual(Article.objects.filter(headline__iregex=r'oo(f|b)'),
]
)
self.assertQuerysetEqual(
Article.objects.filter(headline__iregex=r'oo(f|b)'),
[
'<Article: barfoobaz>',
'<Article: foobar>',
'<Article: foobarbaz>',
'<Article: foobaz>',
'<Article: ooF>',
])
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'^foo(f|b)'),
['<Article: foobar>', '<Article: foobarbaz>', '<Article: foobaz>'])
]
)
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'^foo(f|b)'),
['<Article: foobar>', '<Article: foobarbaz>', '<Article: foobaz>']
)
# greedy matching
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'b.*az'),
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'b.*az'),
[
'<Article: barfoobaz>',
'<Article: baz>',
'<Article: bazbaRFOO>',
'<Article: foobarbaz>',
'<Article: foobaz>',
])
self.assertQuerysetEqual(Article.objects.filter(headline__iregex=r'b.*ar'),
]
)
self.assertQuerysetEqual(
Article.objects.filter(headline__iregex=r'b.*ar'),
[
'<Article: bar>',
'<Article: barfoobaz>',
'<Article: bazbaRFOO>',
'<Article: foobar>',
'<Article: foobarbaz>',
])
]
)
@skipUnlessDBFeature('supports_regex_backreferencing')
def test_regex_backreferencing(self):
# grouping and backreferences
now = datetime.now()
a10 = Article(pub_date=now, headline='foobar')
a10.save()
a11 = Article(pub_date=now, headline='foobaz')
a11.save()
a12 = Article(pub_date=now, headline='ooF')
a12.save()
a13 = Article(pub_date=now, headline='foobarbaz')
a13.save()
a14 = Article(pub_date=now, headline='zoocarfaz')
a14.save()
a15 = Article(pub_date=now, headline='barfoobaz')
a15.save()
a16 = Article(pub_date=now, headline='bazbaRFOO')
a16.save()
self.assertQuerysetEqual(Article.objects.filter(headline__regex=r'b(.).*b\1'),
['<Article: barfoobaz>', '<Article: bazbaRFOO>', '<Article: foobarbaz>'])
Article.objects.create(pub_date=now, headline='foobar')
Article.objects.create(pub_date=now, headline='foobaz')
Article.objects.create(pub_date=now, headline='ooF')
Article.objects.create(pub_date=now, headline='foobarbaz')
Article.objects.create(pub_date=now, headline='zoocarfaz')
Article.objects.create(pub_date=now, headline='barfoobaz')
Article.objects.create(pub_date=now, headline='bazbaRFOO')
self.assertQuerysetEqual(
Article.objects.filter(headline__regex=r'b(.).*b\1'),
['<Article: barfoobaz>', '<Article: bazbaRFOO>', '<Article: foobarbaz>']
)
def test_regex_null(self):
"""
@ -658,8 +666,7 @@ class LookupTests(TestCase):
Ensure that a regex lookup does not fail on non-string fields
"""
Season.objects.create(year=2013, gt=444)
self.assertQuerysetEqual(Season.objects.filter(gt__regex=r'^444$'),
['<Season: 2013>'])
self.assertQuerysetEqual(Season.objects.filter(gt__regex=r'^444$'), ['<Season: 2013>'])
def test_regex_non_ascii(self):
"""

265
tests/many_to_many/tests.py
View File

@ -2,7 +2,6 @@ from __future__ import unicode_literals
from django.db import transaction
from django.test import TestCase, ignore_warnings
from django.utils import six
from django.utils.deprecation import RemovedInDjango20Warning
from .models import Article, InheritedArticleA, InheritedArticleB, Publication
@ -12,15 +11,15 @@ class ManyToManyTests(TestCase):
def setUp(self):
# Create a couple of Publications.
self.p1 = Publication.objects.create(id=None, title='The Python Journal')
self.p2 = Publication.objects.create(id=None, title='Science News')
self.p3 = Publication.objects.create(id=None, title='Science Weekly')
self.p1 = Publication.objects.create(title='The Python Journal')
self.p2 = Publication.objects.create(title='Science News')
self.p3 = Publication.objects.create(title='Science Weekly')
self.p4 = Publication.objects.create(title='Highlights for Children')
self.a1 = Article.objects.create(id=None, headline='Django lets you build Web apps easily')
self.a1 = Article.objects.create(headline='Django lets you build Web apps easily')
self.a1.publications.add(self.p1)
self.a2 = Article.objects.create(id=None, headline='NASA uses Python')
self.a2 = Article.objects.create(headline='NASA uses Python')
self.a2.publications.add(self.p1, self.p2, self.p3, self.p4)
self.a3 = Article.objects.create(headline='NASA finds intelligent life on Earth')
@ -31,7 +30,7 @@ class ManyToManyTests(TestCase):
def test_add(self):
# Create an Article.
a5 = Article(id=None, headline='Django lets you reate Web apps easily')
a5 = Article(headline='Django lets you reate Web apps easily')
# You can't associate it with a Publication until it's been saved.
with self.assertRaises(ValueError):
getattr(a5, 'publications')
@ -39,51 +38,55 @@ class ManyToManyTests(TestCase):
a5.save()
# Associate the Article with a Publication.
a5.publications.add(self.p1)
self.assertQuerysetEqual(a5.publications.all(),
['<Publication: The Python Journal>'])
self.assertQuerysetEqual(a5.publications.all(), ['<Publication: The Python Journal>'])
# Create another Article, and set it to appear in both Publications.
a6 = Article(id=None, headline='ESA uses Python')
a6 = Article(headline='ESA uses Python')
a6.save()
a6.publications.add(self.p1, self.p2)
a6.publications.add(self.p3)
# Adding a second time is OK
a6.publications.add(self.p3)
self.assertQuerysetEqual(a6.publications.all(),
self.assertQuerysetEqual(
a6.publications.all(),
[
'<Publication: Science News>',
'<Publication: Science Weekly>',
'<Publication: The Python Journal>',
])
]
)
# Adding an object of the wrong type raises TypeError
with six.assertRaisesRegex(self, TypeError, "'Publication' instance expected, got <Article.*"):
with self.assertRaisesMessage(TypeError, "'Publication' instance expected, got <Article"):
with transaction.atomic():
a6.publications.add(a5)
# Add a Publication directly via publications.add by using keyword arguments.
a6.publications.create(title='Highlights for Adults')
self.assertQuerysetEqual(a6.publications.all(),
self.assertQuerysetEqual(
a6.publications.all(),
[
'<Publication: Highlights for Adults>',
'<Publication: Science News>',
'<Publication: Science Weekly>',
'<Publication: The Python Journal>',
])
]
)
def test_reverse_add(self):
# Adding via the 'other' end of an m2m
a5 = Article(headline='NASA finds intelligent life on Mars')
a5.save()
self.p2.article_set.add(a5)
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA finds intelligent life on Mars>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(a5.publications.all(),
['<Publication: Science News>'])
]
)
self.assertQuerysetEqual(a5.publications.all(), ['<Publication: Science News>'])
# Adding via the other end using keywords
self.p2.article_set.create(headline='Carbon-free diet works wonders')
@ -97,39 +100,48 @@ class ManyToManyTests(TestCase):
'<Article: Oxygen-free diet works wonders>',
])
a6 = self.p2.article_set.all()[3]
self.assertQuerysetEqual(a6.publications.all(),
self.assertQuerysetEqual(
a6.publications.all(),
[
'<Publication: Highlights for Children>',
'<Publication: Science News>',
'<Publication: Science Weekly>',
'<Publication: The Python Journal>',
])
]
)
def test_related_sets(self):
# Article objects have access to their related Publication objects.
self.assertQuerysetEqual(self.a1.publications.all(),
['<Publication: The Python Journal>'])
self.assertQuerysetEqual(self.a2.publications.all(),
self.assertQuerysetEqual(self.a1.publications.all(), ['<Publication: The Python Journal>'])
self.assertQuerysetEqual(
self.a2.publications.all(),
[
'<Publication: Highlights for Children>',
'<Publication: Science News>',
'<Publication: Science Weekly>',
'<Publication: The Python Journal>',
])
]
)
# Publication objects have access to their related Article objects.
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.p1.article_set.all(),
]
)
self.assertQuerysetEqual(
self.p1.article_set.all(),
[
'<Article: Django lets you build Web apps easily>',
'<Article: NASA uses Python>',
])
self.assertQuerysetEqual(Publication.objects.get(id=self.p4.id).article_set.all(),
['<Article: NASA uses Python>'])
]
)
self.assertQuerysetEqual(
Publication.objects.get(id=self.p4.id).article_set.all(),
['<Article: NASA uses Python>']
)
def test_selects(self):
# We can perform kwarg queries across m2m relationships
@ -144,19 +156,22 @@ class ManyToManyTests(TestCase):
[
'<Article: Django lets you build Web apps easily>',
'<Article: NASA uses Python>',
])
]
)
self.assertQuerysetEqual(
Article.objects.filter(publications=self.p1.id),
[
'<Article: Django lets you build Web apps easily>',
'<Article: NASA uses Python>',
])
]
)
self.assertQuerysetEqual(
Article.objects.filter(publications=self.p1),
[
'<Article: Django lets you build Web apps easily>',
'<Article: NASA uses Python>',
])
]
)
self.assertQuerysetEqual(
Article.objects.filter(publications__title__startswith="Science"),
[
@ -164,14 +179,16 @@ class ManyToManyTests(TestCase):
'<Article: NASA uses Python>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
]
)
self.assertQuerysetEqual(
Article.objects.filter(publications__title__startswith="Science").distinct(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
]
)
# The count() function respects distinct() as well.
self.assertEqual(Article.objects.filter(publications__title__startswith="Science").count(), 4)
@ -191,7 +208,8 @@ class ManyToManyTests(TestCase):
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
]
)
self.assertQuerysetEqual(
Article.objects.filter(publications__in=[self.p1, self.p2]).distinct(),
[
@ -199,20 +217,22 @@ class ManyToManyTests(TestCase):
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
]
)
# Excluding a related item works as you would expect, too (although the SQL
# involved is a little complex).
self.assertQuerysetEqual(Article.objects.exclude(publications=self.p2),
['<Article: Django lets you build Web apps easily>'])
self.assertQuerysetEqual(
Article.objects.exclude(publications=self.p2),
['<Article: Django lets you build Web apps easily>']
)
def test_reverse_selects(self):
# Reverse m2m queries are supported (i.e., starting at the table that
# doesn't have a ManyToManyField).
self.assertQuerysetEqual(Publication.objects.filter(id__exact=self.p1.id),
['<Publication: The Python Journal>'])
self.assertQuerysetEqual(Publication.objects.filter(pk=self.p1.id),
['<Publication: The Python Journal>'])
python_journal = ['<Publication: The Python Journal>']
self.assertQuerysetEqual(Publication.objects.filter(id__exact=self.p1.id), python_journal)
self.assertQuerysetEqual(Publication.objects.filter(pk=self.p1.id), python_journal)
self.assertQuerysetEqual(
Publication.objects.filter(article__headline__startswith="NASA"),
[
@ -222,14 +242,11 @@ class ManyToManyTests(TestCase):
'<Publication: Science Weekly>',
'<Publication: The Python Journal>',
])
self.assertQuerysetEqual(Publication.objects.filter(article__id__exact=self.a1.id),
['<Publication: The Python Journal>'])
self.assertQuerysetEqual(Publication.objects.filter(article__pk=self.a1.id),
['<Publication: The Python Journal>'])
self.assertQuerysetEqual(Publication.objects.filter(article=self.a1.id),
['<Publication: The Python Journal>'])
self.assertQuerysetEqual(Publication.objects.filter(article=self.a1),
['<Publication: The Python Journal>'])
self.assertQuerysetEqual(Publication.objects.filter(article__id__exact=self.a1.id), python_journal)
self.assertQuerysetEqual(Publication.objects.filter(article__pk=self.a1.id), python_journal)
self.assertQuerysetEqual(Publication.objects.filter(article=self.a1.id), python_journal)
self.assertQuerysetEqual(Publication.objects.filter(article=self.a1), python_journal)
self.assertQuerysetEqual(
Publication.objects.filter(article__in=[self.a1.id, self.a2.id]).distinct(),
@ -259,47 +276,59 @@ class ManyToManyTests(TestCase):
def test_delete(self):
# If we delete a Publication, its Articles won't be able to access it.
self.p1.delete()
self.assertQuerysetEqual(Publication.objects.all(),
self.assertQuerysetEqual(
Publication.objects.all(),
[
'<Publication: Highlights for Children>',
'<Publication: Science News>',
'<Publication: Science Weekly>',
])
]
)
self.assertQuerysetEqual(self.a1.publications.all(), [])
# If we delete an Article, its Publications won't be able to access it.
self.a2.delete()
self.assertQuerysetEqual(Article.objects.all(),
self.assertQuerysetEqual(
Article.objects.all(),
[
'<Article: Django lets you build Web apps easily>',
'<Article: NASA finds intelligent life on Earth>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.p2.article_set.all(),
]
)
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: Oxygen-free diet works wonders>',
])
]
)
def test_bulk_delete(self):
# Bulk delete some Publications - references to deleted publications should go
Publication.objects.filter(title__startswith='Science').delete()
self.assertQuerysetEqual(Publication.objects.all(),
self.assertQuerysetEqual(
Publication.objects.all(),
[
'<Publication: Highlights for Children>',
'<Publication: The Python Journal>',
])
self.assertQuerysetEqual(Article.objects.all(),
]
)
self.assertQuerysetEqual(
Article.objects.all(),
[
'<Article: Django lets you build Web apps easily>',
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.a2.publications.all(),
]
)
self.assertQuerysetEqual(
self.a2.publications.all(),
[
'<Publication: Highlights for Children>',
'<Publication: The Python Journal>',
])
]
)
# Bulk delete some articles - references to deleted objects should go
q = Article.objects.filter(headline__startswith='Django')
@ -308,46 +337,45 @@ class ManyToManyTests(TestCase):
# After the delete, the QuerySet cache needs to be cleared,
# and the referenced objects should be gone
self.assertQuerysetEqual(q, [])
self.assertQuerysetEqual(self.p1.article_set.all(),
['<Article: NASA uses Python>'])
self.assertQuerysetEqual(self.p1.article_set.all(), ['<Article: NASA uses Python>'])
def test_remove(self):
# Removing publication from an article:
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA uses Python>',
'<Article: Oxygen-free diet works wonders>',
])
]
)
self.a4.publications.remove(self.p2)
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: NASA uses Python>',
])
]
)
self.assertQuerysetEqual(self.a4.publications.all(), [])
# And from the other end
self.p2.article_set.remove(self.a3)
self.assertQuerysetEqual(self.p2.article_set.all(),
[
'<Article: NASA uses Python>',
])
self.assertQuerysetEqual(self.p2.article_set.all(), ['<Article: NASA uses Python>'])
self.assertQuerysetEqual(self.a3.publications.all(), [])
def test_set(self):
self.p2.article_set.set([self.a4, self.a3])
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science News>'])
]
)
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science News>'])
self.a4.publications.set([self.p3.id])
self.assertQuerysetEqual(self.p2.article_set.all(),
['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science Weekly>'])
self.assertQuerysetEqual(self.p2.article_set.all(), ['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science Weekly>'])
self.p2.article_set.set([])
self.assertQuerysetEqual(self.p2.article_set.all(), [])
@ -355,18 +383,17 @@ class ManyToManyTests(TestCase):
self.assertQuerysetEqual(self.a4.publications.all(), [])
self.p2.article_set.set([self.a4, self.a3], clear=True)
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science News>'])
]
)
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science News>'])
self.a4.publications.set([self.p3.id], clear=True)
self.assertQuerysetEqual(self.p2.article_set.all(),
['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science Weekly>'])
self.assertQuerysetEqual(self.p2.article_set.all(), ['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science Weekly>'])
self.p2.article_set.set([], clear=True)
self.assertQuerysetEqual(self.p2.article_set.all(), [])
@ -385,18 +412,17 @@ class ManyToManyTests(TestCase):
@ignore_warnings(category=RemovedInDjango20Warning)
def test_assign_deprecated(self):
self.p2.article_set = [self.a4, self.a3]
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science News>'])
]
)
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science News>'])
self.a4.publications = [self.p3.id]
self.assertQuerysetEqual(self.p2.article_set.all(),
['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science Weekly>'])
self.assertQuerysetEqual(self.p2.article_set.all(), ['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science Weekly>'])
# An alternate to calling clear() is to assign the empty set
self.p2.article_set = []
@ -427,18 +453,17 @@ class ManyToManyTests(TestCase):
def test_assign_ids(self):
# Relation sets can also be set using primary key values
self.p2.article_set.set([self.a4.id, self.a3.id])
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science News>'])
]
)
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science News>'])
self.a4.publications.set([self.p3.id])
self.assertQuerysetEqual(self.p2.article_set.all(),
['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(),
['<Publication: Science Weekly>'])
self.assertQuerysetEqual(self.p2.article_set.all(), ['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science Weekly>'])
def test_forward_assign_with_queryset(self):
# Ensure that querysets used in m2m assignments are pre-evaluated
@ -472,19 +497,17 @@ class ManyToManyTests(TestCase):
# And you can clear from the other end
self.p2.article_set.add(self.a3, self.a4)
self.assertQuerysetEqual(self.p2.article_set.all(),
self.assertQuerysetEqual(
self.p2.article_set.all(),
[
'<Article: NASA finds intelligent life on Earth>',
'<Article: Oxygen-free diet works wonders>',
])
self.assertQuerysetEqual(self.a4.publications.all(),
[
'<Publication: Science News>',
])
]
)
self.assertQuerysetEqual(self.a4.publications.all(), ['<Publication: Science News>'])
self.a4.publications.clear()
self.assertQuerysetEqual(self.a4.publications.all(), [])
self.assertQuerysetEqual(self.p2.article_set.all(),
['<Article: NASA finds intelligent life on Earth>'])
self.assertQuerysetEqual(self.p2.article_set.all(), ['<Article: NASA finds intelligent life on Earth>'])
def test_inherited_models_selects(self):
"""
@ -494,19 +517,19 @@ class ManyToManyTests(TestCase):
a = InheritedArticleA.objects.create()
b = InheritedArticleB.objects.create()
a.publications.add(self.p1, self.p2)
self.assertQuerysetEqual(a.publications.all(),
self.assertQuerysetEqual(
a.publications.all(),
[
'<Publication: Science News>',
'<Publication: The Python Journal>',
])
self.assertQuerysetEqual(b.publications.all(), [])
b.publications.add(self.p3)
self.assertQuerysetEqual(a.publications.all(),
self.assertQuerysetEqual(
a.publications.all(),
[
'<Publication: Science News>',
'<Publication: The Python Journal>',
])
self.assertQuerysetEqual(b.publications.all(),
[
'<Publication: Science Weekly>',
])
]
)
self.assertQuerysetEqual(b.publications.all(), ['<Publication: Science Weekly>'])

324
tests/many_to_one/tests.py
View File

@ -22,8 +22,7 @@ class ManyToOneTests(TestCase):
self.r2 = Reporter(first_name='Paul', last_name='Jones', email='paul@example.com')
self.r2.save()
# Create an Article.
self.a = Article(id=None, headline="This is a test",
pub_date=datetime.date(2005, 7, 27), reporter=self.r)
self.a = Article(headline="This is a test", pub_date=datetime.date(2005, 7, 27), reporter=self.r)
self.a.save()
def test_get(self):
@ -38,21 +37,18 @@ class ManyToOneTests(TestCase):
def test_create(self):
# You can also instantiate an Article by passing the Reporter's ID
# instead of a Reporter object.
a3 = Article(id=None, headline="Third article",
pub_date=datetime.date(2005, 7, 27), reporter_id=self.r.id)
a3 = Article(headline="Third article", pub_date=datetime.date(2005, 7, 27), reporter_id=self.r.id)
a3.save()
self.assertEqual(a3.reporter.id, self.r.id)
# Similarly, the reporter ID can be a string.
a4 = Article(id=None, headline="Fourth article",
pub_date=datetime.date(2005, 7, 27), reporter_id=str(self.r.id))
a4 = Article(headline="Fourth article", pub_date=datetime.date(2005, 7, 27), reporter_id=str(self.r.id))
a4.save()
self.assertEqual(repr(a4.reporter), "<Reporter: John Smith>")
def test_add(self):
# Create an Article via the Reporter object.
new_article = self.r.article_set.create(headline="John's second story",
pub_date=datetime.date(2005, 7, 29))
new_article = self.r.article_set.create(headline="John's second story", pub_date=datetime.date(2005, 7, 29))
self.assertEqual(repr(new_article), "<Article: John's second story>")
self.assertEqual(new_article.reporter.id, self.r.id)
@ -64,12 +60,10 @@ class ManyToOneTests(TestCase):
self.r.article_set.add(new_article2, bulk=False)
self.assertEqual(new_article2.reporter.id, self.r.id)
self.assertQuerysetEqual(self.r.article_set.all(),
[
"<Article: John's second story>",
"<Article: Paul's story>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(
self.r.article_set.all(),
["<Article: John's second story>", "<Article: Paul's story>", "<Article: This is a test>"]
)
# Add the same article to a different article set - check that it moves.
self.r2.article_set.add(new_article2)
@ -81,17 +75,14 @@ class ManyToOneTests(TestCase):
with six.assertRaisesRegex(self, TypeError,
"'Article' instance expected, got <Reporter.*"):
self.r.article_set.add(self.r2)
self.assertQuerysetEqual(self.r.article_set.all(),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(
self.r.article_set.all(),
["<Article: John's second story>", "<Article: This is a test>"]
)
def test_set(self):
new_article = self.r.article_set.create(headline="John's second story",
pub_date=datetime.date(2005, 7, 29))
new_article2 = self.r2.article_set.create(headline="Paul's story",
pub_date=datetime.date(2006, 1, 17))
new_article = self.r.article_set.create(headline="John's second story", pub_date=datetime.date(2005, 7, 29))
new_article2 = self.r2.article_set.create(headline="Paul's story", pub_date=datetime.date(2006, 1, 17))
# Assign the article to the reporter.
new_article2.reporter = self.r
@ -108,20 +99,18 @@ class ManyToOneTests(TestCase):
# Set the article back again.
self.r2.article_set.set([new_article, new_article2])
self.assertQuerysetEqual(self.r.article_set.all(), ["<Article: This is a test>"])
self.assertQuerysetEqual(self.r2.article_set.all(),
[
"<Article: John's second story>",
"<Article: Paul's story>",
])
self.assertQuerysetEqual(
self.r2.article_set.all(),
["<Article: John's second story>", "<Article: Paul's story>"]
)
# Funny case - because the ForeignKey cannot be null,
# existing members of the set must remain.
self.r.article_set.set([new_article])
self.assertQuerysetEqual(self.r.article_set.all(),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(
self.r.article_set.all(),
["<Article: John's second story>", "<Article: This is a test>"]
)
self.assertQuerysetEqual(self.r2.article_set.all(), ["<Article: Paul's story>"])
def test_reverse_assignment_deprecation(self):
@ -134,10 +123,8 @@ class ManyToOneTests(TestCase):
self.r2.article_set = []
def test_assign(self):
new_article = self.r.article_set.create(headline="John's second story",
pub_date=datetime.date(2005, 7, 29))
new_article2 = self.r2.article_set.create(headline="Paul's story",
pub_date=datetime.date(2006, 1, 17))
new_article = self.r.article_set.create(headline="John's second story", pub_date=datetime.date(2005, 7, 29))
new_article2 = self.r2.article_set.create(headline="Paul's story", pub_date=datetime.date(2006, 1, 17))
# Assign the article to the reporter directly using the descriptor.
new_article2.reporter = self.r
@ -154,73 +141,59 @@ class ManyToOneTests(TestCase):
# Set the article back again using set() method.
self.r2.article_set.set([new_article, new_article2])
self.assertQuerysetEqual(self.r.article_set.all(), ["<Article: This is a test>"])
self.assertQuerysetEqual(self.r2.article_set.all(),
[
"<Article: John's second story>",
"<Article: Paul's story>",
])
self.assertQuerysetEqual(
self.r2.article_set.all(),
["<Article: John's second story>", "<Article: Paul's story>"]
)
# Because the ForeignKey cannot be null, existing members of the set
# must remain.
self.r.article_set.set([new_article])
self.assertQuerysetEqual(self.r.article_set.all(),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(
self.r.article_set.all(),
["<Article: John's second story>", "<Article: This is a test>"]
)
self.assertQuerysetEqual(self.r2.article_set.all(), ["<Article: Paul's story>"])
# Reporter cannot be null - there should not be a clear or remove method
self.assertFalse(hasattr(self.r2.article_set, 'remove'))
self.assertFalse(hasattr(self.r2.article_set, 'clear'))
def test_selects(self):
self.r.article_set.create(headline="John's second story",
pub_date=datetime.date(2005, 7, 29))
self.r2.article_set.create(headline="Paul's story",
pub_date=datetime.date(2006, 1, 17))
self.r.article_set.create(headline="John's second story", pub_date=datetime.date(2005, 7, 29))
self.r2.article_set.create(headline="Paul's story", pub_date=datetime.date(2006, 1, 17))
# Reporter objects have access to their related Article objects.
self.assertQuerysetEqual(self.r.article_set.all(), [
"<Article: John's second story>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(self.r.article_set.filter(headline__startswith='This'),
["<Article: This is a test>"])
self.assertQuerysetEqual(self.r.article_set.filter(headline__startswith='This'), ["<Article: This is a test>"])
self.assertEqual(self.r.article_set.count(), 2)
self.assertEqual(self.r2.article_set.count(), 1)
# Get articles by id
self.assertQuerysetEqual(Article.objects.filter(id__exact=self.a.id),
["<Article: This is a test>"])
self.assertQuerysetEqual(Article.objects.filter(pk=self.a.id),
["<Article: This is a test>"])
self.assertQuerysetEqual(Article.objects.filter(id__exact=self.a.id), ["<Article: This is a test>"])
self.assertQuerysetEqual(Article.objects.filter(pk=self.a.id), ["<Article: This is a test>"])
# Query on an article property
self.assertQuerysetEqual(Article.objects.filter(headline__startswith='This'),
["<Article: This is a test>"])
self.assertQuerysetEqual(Article.objects.filter(headline__startswith='This'), ["<Article: This is a test>"])
# The API automatically follows relationships as far as you need.
# Use double underscores to separate relationships.
# This works as many levels deep as you want. There's no limit.
# Find all Articles for any Reporter whose first name is "John".
self.assertQuerysetEqual(Article.objects.filter(reporter__first_name__exact='John'),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(
Article.objects.filter(reporter__first_name__exact='John'),
["<Article: John's second story>", "<Article: This is a test>"]
)
# Check that implied __exact also works
self.assertQuerysetEqual(Article.objects.filter(reporter__first_name='John'),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(
Article.objects.filter(reporter__first_name='John'),
["<Article: John's second story>", "<Article: This is a test>"]
)
# Query twice over the related field.
self.assertQuerysetEqual(
Article.objects.filter(reporter__first_name__exact='John',
reporter__last_name__exact='Smith'),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
Article.objects.filter(reporter__first_name__exact='John', reporter__last_name__exact='Smith'),
["<Article: John's second story>", "<Article: This is a test>"]
)
# The underlying query only makes one join when a related table is referenced twice.
queryset = Article.objects.filter(reporter__first_name__exact='John',
reporter__last_name__exact='Smith')
queryset = Article.objects.filter(reporter__first_name__exact='John', reporter__last_name__exact='Smith')
self.assertNumQueries(1, list, queryset)
self.assertEqual(queryset.query.get_compiler(queryset.db).as_sql()[0].count('INNER JOIN'), 1)
@ -228,19 +201,15 @@ class ManyToOneTests(TestCase):
self.assertQuerysetEqual(
Article.objects.filter(reporter__first_name__exact='John').extra(
where=["many_to_one_reporter.last_name='Smith'"]),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
["<Article: John's second story>", "<Article: This is a test>"]
)
# ... and should work fine with the unicode that comes out of forms.Form.cleaned_data
self.assertQuerysetEqual(
(Article.objects
.filter(reporter__first_name__exact='John')
.extra(where=["many_to_one_reporter.last_name='%s'" % 'Smith'])),
[
"<Article: John's second story>",
"<Article: This is a test>",
])
["<Article: John's second story>", "<Article: This is a test>"]
)
# Find all Articles for a Reporter.
# Use direct ID check, pk check, and object comparison
self.assertQuerysetEqual(
@ -294,49 +263,39 @@ class ManyToOneTests(TestCase):
])
def test_reverse_selects(self):
a3 = Article.objects.create(id=None, headline="Third article",
pub_date=datetime.date(2005, 7, 27), reporter_id=self.r.id)
Article.objects.create(id=None, headline="Fourth article",
pub_date=datetime.date(2005, 7, 27), reporter_id=str(self.r.id))
a3 = Article.objects.create(
headline="Third article",
pub_date=datetime.date(2005, 7, 27),
reporter_id=self.r.id,
)
Article.objects.create(
headline="Fourth article",
pub_date=datetime.date(2005, 7, 27),
reporter_id=self.r.id,
)
john_smith = ["<Reporter: John Smith>"]
# Reporters can be queried
self.assertQuerysetEqual(Reporter.objects.filter(id__exact=self.r.id),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(pk=self.r.id),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(first_name__startswith='John'),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(id__exact=self.r.id), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(pk=self.r.id), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(first_name__startswith='John'), john_smith)
# Reporters can query in opposite direction of ForeignKey definition
self.assertQuerysetEqual(Reporter.objects.filter(article__id__exact=self.a.id),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(article__pk=self.a.id),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(article=self.a.id),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(article=self.a),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(
Reporter.objects.filter(article__in=[self.a.id, a3.id]).distinct(),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(
Reporter.objects.filter(article__in=[self.a.id, a3]).distinct(),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(
Reporter.objects.filter(article__in=[self.a, a3]).distinct(),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(article__id__exact=self.a.id), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(article__pk=self.a.id), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(article=self.a.id), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(article=self.a), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(article__in=[self.a.id, a3.id]).distinct(), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(article__in=[self.a.id, a3]).distinct(), john_smith)
self.assertQuerysetEqual(Reporter.objects.filter(article__in=[self.a, a3]).distinct(), john_smith)
self.assertQuerysetEqual(
Reporter.objects.filter(article__headline__startswith='T'),
["<Reporter: John Smith>", "<Reporter: John Smith>"],
ordered=False
)
self.assertQuerysetEqual(
Reporter.objects.filter(article__headline__startswith='T').distinct(),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(article__headline__startswith='T').distinct(), john_smith)
# Counting in the opposite direction works in conjunction with distinct()
self.assertEqual(
Reporter.objects.filter(article__headline__startswith='T').count(), 2)
self.assertEqual(
Reporter.objects.filter(article__headline__startswith='T').distinct().count(), 1)
self.assertEqual(Reporter.objects.filter(article__headline__startswith='T').count(), 2)
self.assertEqual(Reporter.objects.filter(article__headline__startswith='T').distinct().count(), 1)
# Queries can go round in circles.
self.assertQuerysetEqual(
@ -350,23 +309,21 @@ class ManyToOneTests(TestCase):
)
self.assertQuerysetEqual(
Reporter.objects.filter(article__reporter__first_name__startswith='John').distinct(),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(
Reporter.objects.filter(article__reporter__exact=self.r).distinct(),
["<Reporter: John Smith>"])
john_smith
)
self.assertQuerysetEqual(Reporter.objects.filter(article__reporter__exact=self.r).distinct(), john_smith)
# Check that implied __exact also works.
self.assertQuerysetEqual(
Reporter.objects.filter(article__reporter=self.r).distinct(),
["<Reporter: John Smith>"])
self.assertQuerysetEqual(Reporter.objects.filter(article__reporter=self.r).distinct(), john_smith)
# It's possible to use values() calls across many-to-one relations.
# (Note, too, that we clear the ordering here so as not to drag the
# 'headline' field into the columns being used to determine uniqueness)
d = {'reporter__first_name': 'John', 'reporter__last_name': 'Smith'}
self.assertEqual([d],
list(Article.objects.filter(reporter=self.r).distinct().order_by()
.values('reporter__first_name', 'reporter__last_name')))
qs = Article.objects.filter(
reporter=self.r,
).distinct().order_by().values('reporter__first_name', 'reporter__last_name')
self.assertEqual([d], list(qs))
def test_select_related(self):
# Check that Article.objects.select_related().dates() works properly when
@ -376,55 +333,54 @@ class ManyToOneTests(TestCase):
r2 = Reporter.objects.create(first_name='John', last_name='Kass', email='jkass@tribune.com')
Article.objects.create(headline='First', pub_date=datetime.date(1980, 4, 23), reporter=r1)
Article.objects.create(headline='Second', pub_date=datetime.date(1980, 4, 23), reporter=r2)
self.assertEqual(list(Article.objects.select_related().dates('pub_date', 'day')),
[
datetime.date(1980, 4, 23),
datetime.date(2005, 7, 27),
])
self.assertEqual(list(Article.objects.select_related().dates('pub_date', 'month')),
[
datetime.date(1980, 4, 1),
datetime.date(2005, 7, 1),
])
self.assertEqual(list(Article.objects.select_related().dates('pub_date', 'year')),
[
datetime.date(1980, 1, 1),
datetime.date(2005, 1, 1),
])
self.assertEqual(
list(Article.objects.select_related().dates('pub_date', 'day')),
[datetime.date(1980, 4, 23), datetime.date(2005, 7, 27)]
)
self.assertEqual(
list(Article.objects.select_related().dates('pub_date', 'month')),
[datetime.date(1980, 4, 1), datetime.date(2005, 7, 1)]
)
self.assertEqual(
list(Article.objects.select_related().dates('pub_date', 'year')),
[datetime.date(1980, 1, 1), datetime.date(2005, 1, 1)]
)
def test_delete(self):
self.r.article_set.create(headline="John's second story",
pub_date=datetime.date(2005, 7, 29))
self.r2.article_set.create(headline="Paul's story",
pub_date=datetime.date(2006, 1, 17))
Article.objects.create(id=None, headline="Third article",
pub_date=datetime.date(2005, 7, 27), reporter_id=self.r.id)
Article.objects.create(id=None, headline="Fourth article",
pub_date=datetime.date(2005, 7, 27), reporter_id=str(self.r.id))
self.r.article_set.create(headline="John's second story", pub_date=datetime.date(2005, 7, 29))
self.r2.article_set.create(headline="Paul's story", pub_date=datetime.date(2006, 1, 17))
Article.objects.create(headline="Third article", pub_date=datetime.date(2005, 7, 27), reporter_id=self.r.id)
Article.objects.create(
headline="Fourth article",
pub_date=datetime.date(2005, 7, 27),
reporter_id=str(self.r.id),
)
# If you delete a reporter, his articles will be deleted.
self.assertQuerysetEqual(Article.objects.all(),
self.assertQuerysetEqual(
Article.objects.all(),
[
"<Article: Fourth article>",
"<Article: John's second story>",
"<Article: Paul's story>",
"<Article: Third article>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(Reporter.objects.order_by('first_name'),
[
"<Reporter: John Smith>",
"<Reporter: Paul Jones>",
])
]
)
self.assertQuerysetEqual(
Reporter.objects.order_by('first_name'),
["<Reporter: John Smith>", "<Reporter: Paul Jones>"]
)
self.r2.delete()
self.assertQuerysetEqual(Article.objects.all(),
self.assertQuerysetEqual(
Article.objects.all(),
[
"<Article: Fourth article>",
"<Article: John's second story>",
"<Article: Third article>",
"<Article: This is a test>",
])
self.assertQuerysetEqual(Reporter.objects.order_by('first_name'),
["<Reporter: John Smith>"])
]
)
self.assertQuerysetEqual(Reporter.objects.order_by('first_name'), ["<Reporter: John Smith>"])
# You can delete using a JOIN in the query.
Reporter.objects.filter(article__headline__startswith='This').delete()
self.assertQuerysetEqual(Reporter.objects.all(), [])
@ -433,33 +389,35 @@ class ManyToOneTests(TestCase):
def test_explicit_fk(self):
# Create a new Article with get_or_create using an explicit value
# for a ForeignKey.
a2, created = Article.objects.get_or_create(id=None,
headline="John's second test",
pub_date=datetime.date(2011, 5, 7),
reporter_id=self.r.id)
a2, created = Article.objects.get_or_create(
headline="John's second test",
pub_date=datetime.date(2011, 5, 7),
reporter_id=self.r.id,
)
self.assertTrue(created)
self.assertEqual(a2.reporter.id, self.r.id)
# You can specify filters containing the explicit FK value.
self.assertQuerysetEqual(
Article.objects.filter(reporter_id__exact=self.r.id),
[
"<Article: John's second test>",
"<Article: This is a test>",
])
["<Article: John's second test>", "<Article: This is a test>"]
)
# Create an Article by Paul for the same date.
a3 = Article.objects.create(id=None, headline="Paul's commentary",
pub_date=datetime.date(2011, 5, 7),
reporter_id=self.r2.id)
a3 = Article.objects.create(
headline="Paul's commentary",
pub_date=datetime.date(2011, 5, 7),
reporter_id=self.r2.id,
)
self.assertEqual(a3.reporter.id, self.r2.id)
# Get should respect explicit foreign keys as well.
with self.assertRaises(MultipleObjectsReturned):
Article.objects.get(reporter_id=self.r.id)
self.assertEqual(repr(a3),
repr(Article.objects.get(reporter_id=self.r2.id,
pub_date=datetime.date(2011, 5, 7))))
self.assertEqual(
repr(a3),
repr(Article.objects.get(reporter_id=self.r2.id, pub_date=datetime.date(2011, 5, 7)))
)
def test_deepcopy_and_circular_references(self):
# Regression for #12876 -- Model methods that include queries that
@ -478,12 +436,9 @@ class ManyToOneTests(TestCase):
self.assertIs(r1.article_set.__class__, r2.article_set.__class__)
def test_create_relation_with_ugettext_lazy(self):
reporter = Reporter.objects.create(first_name='John',
last_name='Smith',
email='john.smith@example.com')
reporter = Reporter.objects.create(first_name='John', last_name='Smith', email='john.smith@example.com')
lazy = ugettext_lazy('test')
reporter.article_set.create(headline=lazy,
pub_date=datetime.date(2011, 6, 10))
reporter.article_set.create(headline=lazy, pub_date=datetime.date(2011, 6, 10))
notlazy = six.text_type(lazy)
article = reporter.article_set.get()
self.assertEqual(article.headline, notlazy)
@ -632,10 +587,7 @@ class ManyToOneTests(TestCase):
private_student = Student.objects.create(school=private_school)
# Only one school is available via all() due to the custom default manager.
self.assertQuerysetEqual(
School.objects.all(),
["<School: School object>"]
)
self.assertQuerysetEqual(School.objects.all(), ["<School: School object>"])
self.assertEqual(public_student.school, public_school)

5
tests/middleware/test_security.py
View File

@ -86,10 +86,7 @@ class SecurityMiddlewareTest(SimpleTestCase):
"includeSubDomains" tag to the response.
"""
response = self.process_response(secure=True)
self.assertEqual(
response["strict-transport-security"],
"max-age=600; includeSubDomains",
)
self.assertEqual(response["strict-transport-security"], "max-age=600; includeSubDomains")
@override_settings(
SECURE_HSTS_SECONDS=600, SECURE_HSTS_INCLUDE_SUBDOMAINS=False)

2
tests/migrations/test_writer.py
View File

@ -625,7 +625,7 @@ class WriterTests(SimpleTestCase):
migrations.AlterModelOptions(
name='model',
options={'verbose_name': 'model', 'verbose_name_plural': 'models'},
),
),
]
})
writer = MigrationWriter(migration)

3
tests/template_tests/test_response.py
View File

@ -270,7 +270,8 @@ class TemplateResponseTest(SimpleTestCase):
def test_pickling(self):
# Create a template response. The context is
# known to be unpicklable (e.g., a function).
response = TemplateResponse(self.factory.get('/'),
response = TemplateResponse(
self.factory.get('/'),
'first/test.html', {
'value': 123,
'fn': datetime.now,