Author: russellm
Date: 2010-09-28 09:52:20 -0500 (Tue, 28 Sep 2010)
New Revision: 13954
Added:
django/trunk/tests/regressiontests/fixtures_regress/tests.py
Modified:
django/trunk/AUTHORS
django/trunk/tests/regressiontests/fixtures_regress/models.py
Log:
Migrated fixtures_regress doctests. Thanks to David Brenneman for the patch.
Modified: django/trunk/AUTHORS
===================================================================
--- django/trunk/AUTHORS 2010-09-28 13:45:22 UTC (rev 13953)
+++ django/trunk/AUTHORS 2010-09-28 14:52:20 UTC (rev 13954)
@@ -82,6 +82,7 @@
MatÃas Bordese
Sean Brant
Andrew Brehaut <http://brehaut.net/blog>
+ David Brennenman <http://davidbrenneman.com>
brut.a...@gmail.com
bthomas
bt...@bestweb.net
Modified: django/trunk/tests/regressiontests/fixtures_regress/models.py
===================================================================
--- django/trunk/tests/regressiontests/fixtures_regress/models.py
2010-09-28 13:45:22 UTC (rev 13953)
+++ django/trunk/tests/regressiontests/fixtures_regress/models.py
2010-09-28 14:52:20 UTC (rev 13954)
@@ -1,8 +1,8 @@
from django.db import models, DEFAULT_DB_ALIAS
from django.contrib.auth.models import User
from django.conf import settings
-import os
+
class Animal(models.Model):
name = models.CharField(max_length=150)
latin_name = models.CharField(max_length=150)
@@ -15,10 +15,6 @@
def __unicode__(self):
return self.name
-def animal_pre_save_check(signal, sender, instance, **kwargs):
- "A signal that is used to check the type of data loaded from fixtures"
- print 'Count = %s (%s)' % (instance.count, type(instance.count))
- print 'Weight = %s (%s)' % (instance.weight, type(instance.weight))
class Plant(models.Model):
name = models.CharField(max_length=150)
@@ -40,6 +36,7 @@
name = None
return unicode(name) + u' is owned by ' + unicode(self.owner)
+
class Absolute(models.Model):
name = models.CharField(max_length=40)
@@ -49,19 +46,23 @@
super(Absolute, self).__init__(*args, **kwargs)
Absolute.load_count += 1
+
class Parent(models.Model):
name = models.CharField(max_length=10)
class Meta:
ordering = ('id',)
+
class Child(Parent):
data = models.CharField(max_length=10)
+
# Models to regression test #7572
class Channel(models.Model):
name = models.CharField(max_length=255)
+
class Article(models.Model):
title = models.CharField(max_length=255)
channels = models.ManyToManyField(Channel)
@@ -69,6 +70,7 @@
class Meta:
ordering = ('id',)
+
# Models to regression test #11428
class Widget(models.Model):
name = models.CharField(max_length=255)
@@ -79,16 +81,18 @@
def __unicode__(self):
return self.name
+
class WidgetProxy(Widget):
class Meta:
proxy = True
-# Check for forward references in FKs and M2Ms with natural keys
+# Check for forward references in FKs and M2Ms with natural keys
class TestManager(models.Manager):
def get_by_natural_key(self, key):
return self.get(name=key)
+
class Store(models.Model):
objects = TestManager()
name = models.CharField(max_length=255)
@@ -102,6 +106,7 @@
def natural_key(self):
return (self.name,)
+
class Person(models.Model):
objects = TestManager()
name = models.CharField(max_length=255)
@@ -118,6 +123,7 @@
return (self.name,)
natural_key.dependencies = ['fixtures_regress.store']
+
class Book(models.Model):
name = models.CharField(max_length=255)
author = models.ForeignKey(Person)
@@ -133,10 +139,12 @@
', '.join(s.name for s in self.stores.all())
)
+
class NKManager(models.Manager):
def get_by_natural_key(self, data):
return self.get(data=data)
+
class NKChild(Parent):
data = models.CharField(max_length=10, unique=True)
objects = NKManager()
@@ -147,6 +155,7 @@
def __unicode__(self):
return u'NKChild %s:%s' % (self.name, self.data)
+
class RefToNKChild(models.Model):
text = models.CharField(max_length=10)
nk_fk = models.ForeignKey(NKChild, related_name='ref_fks')
@@ -159,260 +168,60 @@
', '.join(str(o) for o in self.nk_m2m.all())
)
+
# ome models with pathological circular dependencies
class Circle1(models.Model):
name = models.CharField(max_length=255)
+
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle2']
+
class Circle2(models.Model):
name = models.CharField(max_length=255)
+
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle1']
+
class Circle3(models.Model):
name = models.CharField(max_length=255)
+
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle3']
+
class Circle4(models.Model):
name = models.CharField(max_length=255)
+
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle5']
+
class Circle5(models.Model):
name = models.CharField(max_length=255)
+
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle6']
+
class Circle6(models.Model):
name = models.CharField(max_length=255)
+
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.circle4']
+
class ExternalDependency(models.Model):
name = models.CharField(max_length=255)
+
def natural_key(self):
return self.name
natural_key.dependencies = ['fixtures_regress.book']
-__test__ = {'API_TESTS':"""
->>> from django.core import management
-
-# Load a fixture that uses PK=1
->>> management.call_command('loaddata', 'sequence', verbosity=0)
-
-# Create a new animal. Without a sequence reset, this new object
-# will take a PK of 1 (on Postgres), and the save will fail.
-# This is a regression test for ticket #3790.
->>> animal = Animal(name='Platypus', latin_name='Ornithorhynchus anatinus',
count=2, weight=2.2)
->>> animal.save()
-
-###############################################
-# Regression test for ticket #4558 -- pretty printing of XML fixtures
-# doesn't affect parsing of None values.
-
-# Load a pretty-printed XML fixture with Nulls.
->>> management.call_command('loaddata', 'pretty.xml', verbosity=0)
->>> Stuff.objects.all()
-[<Stuff: None is owned by None>]
-
-###############################################
-# Regression test for ticket #6436 --
-# os.path.join will throw away the initial parts of a path if it encounters
-# an absolute path. This means that if a fixture is specified as an absolute
path,
-# we need to make sure we don't discover the absolute path in every fixture
directory.
-
->>> load_absolute_path = os.path.join(os.path.dirname(__file__), 'fixtures',
'absolute.json')
->>> management.call_command('loaddata', load_absolute_path, verbosity=0)
->>> Absolute.load_count
-1
-
-###############################################
-# Test for ticket #4371 -- fixture loading fails silently in testcases
-# Validate that error conditions are caught correctly
-
-# redirect stderr for the next few tests...
->>> import sys
->>> savestderr = sys.stderr
->>> sys.stderr = sys.stdout
-
-# Loading data of an unknown format should fail
->>> management.call_command('loaddata', 'bad_fixture1.unkn', verbosity=0)
-Problem installing fixture 'bad_fixture1': unkn is not a known serialization
format.
-
-# Loading a fixture file with invalid data using explicit filename
->>> management.call_command('loaddata', 'bad_fixture2.xml', verbosity=0)
-No fixture data found for 'bad_fixture2'. (File format may be invalid.)
-
-# Loading a fixture file with invalid data without file extension
->>> management.call_command('loaddata', 'bad_fixture2', verbosity=0)
-No fixture data found for 'bad_fixture2'. (File format may be invalid.)
-
-# Loading a fixture file with no data returns an error
->>> management.call_command('loaddata', 'empty', verbosity=0)
-No fixture data found for 'empty'. (File format may be invalid.)
-
-# If any of the fixtures contain an error, loading is aborted
-# (Regression for #9011 - error message is correct)
->>> management.call_command('loaddata', 'bad_fixture2', 'animal', verbosity=0)
-No fixture data found for 'bad_fixture2'. (File format may be invalid.)
-
->>> sys.stderr = savestderr
-
-###############################################
-# Test for ticket #7565 -- PostgreSQL sequence resetting checks shouldn't
-# ascend to parent models when inheritance is used (since they are treated
-# individually).
-
->>> management.call_command('loaddata', 'model-inheritance.json', verbosity=0)
-
-###############################################
-# Test for ticket #13030 -- natural keys deserialize with fk to inheriting
model
-
-# load data with natural keys
->>> management.call_command('loaddata', 'nk-inheritance.json', verbosity=0)
-
->>> NKChild.objects.get(pk=1)
-<NKChild: NKChild fred:apple>
-
->>> RefToNKChild.objects.get(pk=1)
-<RefToNKChild: my text: Reference to NKChild fred:apple [NKChild fred:apple]>
-
-# ... and again in XML
->>> management.call_command('loaddata', 'nk-inheritance2.xml', verbosity=0)
-
->>> NKChild.objects.get(pk=2)
-<NKChild: NKChild james:banana>
-
->>> RefToNKChild.objects.get(pk=2)
-<RefToNKChild: other text: Reference to NKChild fred:apple [NKChild
fred:apple, NKChild james:banana]>
-
-###############################################
-# Test for ticket #7572 -- MySQL has a problem if the same connection is
-# used to create tables, load data, and then query over that data.
-# To compensate, we close the connection after running loaddata.
-# This ensures that a new connection is opened when test queries are issued.
-
->>> management.call_command('loaddata', 'big-fixture.json', verbosity=0)
-
->>> articles = Article.objects.exclude(id=9)
->>> articles.values_list('id', flat=True)
-[1, 2, 3, 4, 5, 6, 7, 8]
-
-# Just for good measure, run the same query again. Under the influence of
-# ticket #7572, this will give a different result to the previous call.
->>> articles.values_list('id', flat=True)
-[1, 2, 3, 4, 5, 6, 7, 8]
-
-###############################################
-# Test for tickets #8298, #9942 - Field values should be coerced into the
-# correct type by the deserializer, not as part of the database write.
-
->>> models.signals.pre_save.connect(animal_pre_save_check)
->>> management.call_command('loaddata', 'animal.xml', verbosity=0)
-Count = 42 (<type 'int'>)
-Weight = 1.2 (<type 'float'>)
-
->>> models.signals.pre_save.disconnect(animal_pre_save_check)
-
-###############################################
-# Regression for #11286 -- Ensure that dumpdata honors the default manager
-# Dump the current contents of the database as a JSON fixture
->>> management.call_command('dumpdata', 'fixtures_regress.animal',
format='json')
-[{"pk": 1, "model": "fixtures_regress.animal", "fields": {"count": 3,
"weight": 1.2, "name": "Lion", "latin_name": "Panthera leo"}}, {"pk": 2,
"model": "fixtures_regress.animal", "fields": {"count": 2, "weight": 2.2,
"name": "Platypus", "latin_name": "Ornithorhynchus anatinus"}}, {"pk": 10,
"model": "fixtures_regress.animal", "fields": {"count": 42, "weight": 1.2,
"name": "Emu", "latin_name": "Dromaius novaehollandiae"}}]
-
-###############################################
-# Regression for #11428 - Proxy models aren't included when you dumpdata
-
-# Flush out the database first
->>> management.call_command('reset', 'fixtures_regress', interactive=False,
verbosity=0)
-
-# Create an instance of the concrete class
->>> Widget(name='grommet').save()
-
-# Dump data for the entire app. The proxy class shouldn't be included
->>> management.call_command('dumpdata', 'fixtures_regress.widget',
'fixtures_regress.widgetproxy', format='json')
-[{"pk": 1, "model": "fixtures_regress.widget", "fields": {"name": "grommet"}}]
-
-###############################################
-# Check that natural key requirements are taken into account
-# when serializing models
->>> management.call_command('loaddata', 'forward_ref_lookup.json', verbosity=0)
-
->>> management.call_command('dumpdata', 'fixtures_regress.book',
'fixtures_regress.person', 'fixtures_regress.store', verbosity=0,
use_natural_keys=True)
-[{"pk": 2, "model": "fixtures_regress.store", "fields": {"name": "Amazon"}},
{"pk": 3, "model": "fixtures_regress.store", "fields": {"name": "Borders"}},
{"pk": 4, "model": "fixtures_regress.person", "fields": {"name": "Neal
Stephenson"}}, {"pk": 1, "model": "fixtures_regress.book", "fields": {"stores":
[["Amazon"], ["Borders"]], "name": "Cryptonomicon", "author": ["Neal
Stephenson"]}}]
-
-# Now lets check the dependency sorting explicitly
-
-# It doesn't matter what order you mention the models
-# Store *must* be serialized before then Person, and both
-# must be serialized before Book.
->>> from django.core.management.commands.dumpdata import sort_dependencies
->>> sort_dependencies([('fixtures_regress', [Book, Person, Store])])
-[<class 'regressiontests.fixtures_regress.models.Store'>, <class
'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>]
-
->>> sort_dependencies([('fixtures_regress', [Book, Store, Person])])
-[<class 'regressiontests.fixtures_regress.models.Store'>, <class
'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>]
-
->>> sort_dependencies([('fixtures_regress', [Store, Book, Person])])
-[<class 'regressiontests.fixtures_regress.models.Store'>, <class
'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>]
-
->>> sort_dependencies([('fixtures_regress', [Store, Person, Book])])
-[<class 'regressiontests.fixtures_regress.models.Store'>, <class
'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>]
-
->>> sort_dependencies([('fixtures_regress', [Person, Book, Store])])
-[<class 'regressiontests.fixtures_regress.models.Store'>, <class
'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>]
-
->>> sort_dependencies([('fixtures_regress', [Person, Store, Book])])
-[<class 'regressiontests.fixtures_regress.models.Store'>, <class
'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>]
-
-# A dangling dependency - assume the user knows what they are doing.
->>> sort_dependencies([('fixtures_regress', [Person, Circle1, Store, Book])])
-[<class 'regressiontests.fixtures_regress.models.Circle1'>, <class
'regressiontests.fixtures_regress.models.Store'>, <class
'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>]
-
-# A tight circular dependency
->>> sort_dependencies([('fixtures_regress', [Person, Circle2, Circle1, Store,
Book])])
-Traceback (most recent call last):
-...
-CommandError: Can't resolve dependencies for fixtures_regress.Circle1,
fixtures_regress.Circle2 in serialized app list.
-
->>> sort_dependencies([('fixtures_regress', [Circle1, Book, Circle2])])
-Traceback (most recent call last):
-...
-CommandError: Can't resolve dependencies for fixtures_regress.Circle1,
fixtures_regress.Circle2 in serialized app list.
-
-# A self referential dependency
->>> sort_dependencies([('fixtures_regress', [Book, Circle3])])
-Traceback (most recent call last):
-...
-CommandError: Can't resolve dependencies for fixtures_regress.Circle3 in
serialized app list.
-
-# A long circular dependency
->>> sort_dependencies([('fixtures_regress', [Person, Circle2, Circle1,
Circle3, Store, Book])])
-Traceback (most recent call last):
-...
-CommandError: Can't resolve dependencies for fixtures_regress.Circle1,
fixtures_regress.Circle2, fixtures_regress.Circle3 in serialized app list.
-
-# A dependency on a normal, non-natural-key model
->>> sort_dependencies([('fixtures_regress', [Person, ExternalDependency,
Book])])
-[<class 'regressiontests.fixtures_regress.models.Person'>, <class
'regressiontests.fixtures_regress.models.Book'>, <class
'regressiontests.fixtures_regress.models.ExternalDependency'>]
-
-###############################################
-# Check that normal primary keys still work
-# on a model with natural key capabilities
-
->>> management.call_command('loaddata', 'non_natural_1.json', verbosity=0)
->>> management.call_command('loaddata', 'non_natural_2.xml', verbosity=0)
-
->>> Book.objects.all()
-[<Book: Cryptonomicon by Neal Stephenson (available at Amazon, Borders)>,
<Book: Ender's Game by Orson Scott Card (available at Collins Bookstore)>,
<Book: Permutation City by Greg Egan (available at Angus and Robertson)>]
-
-"""}
-
Added: django/trunk/tests/regressiontests/fixtures_regress/tests.py
===================================================================
--- django/trunk/tests/regressiontests/fixtures_regress/tests.py
(rev 0)
+++ django/trunk/tests/regressiontests/fixtures_regress/tests.py
2010-09-28 14:52:20 UTC (rev 13954)
@@ -0,0 +1,564 @@
+# -*- coding: utf-8 -*-
+# Unittests for fixtures.
+import os
+import sys
+try:
+ from cStringIO import StringIO
+except ImportError:
+ from StringIO import StringIO
+
+from django.core import management
+from django.core.management.commands.dumpdata import sort_dependencies
+from django.core.management.base import CommandError
+from django.db.models import signals
+from django.test import TestCase
+
+from models import Animal, Stuff
+from models import Absolute, Parent, Child
+from models import Article, Widget
+from models import Store, Person, Book
+from models import NKChild, RefToNKChild
+from models import Circle1, Circle2, Circle3
+from models import ExternalDependency
+
+
+pre_save_checks = []
+def animal_pre_save_check(signal, sender, instance, **kwargs):
+ "A signal that is used to check the type of data loaded from fixtures"
+ pre_save_checks.append(
+ (
+ 'Count = %s (%s)' % (instance.count, type(instance.count)),
+ 'Weight = %s (%s)' % (instance.weight, type(instance.weight)),
+ )
+ )
+
+
+class TestFixtures(TestCase):
+ def test_duplicate_pk(self):
+ """
+ This is a regression test for ticket #3790.
+ """
+ # Load a fixture that uses PK=1
+ management.call_command(
+ 'loaddata',
+ 'sequence',
+ verbosity=0,
+ commit=False
+ )
+
+ # Create a new animal. Without a sequence reset, this new object
+ # will take a PK of 1 (on Postgres), and the save will fail.
+
+ animal = Animal(
+ name='Platypus',
+ latin_name='Ornithorhynchus anatinus',
+ count=2,
+ weight=2.2
+ )
+ animal.save()
+ self.assertEqual(animal.id, 2)
+
+ def test_pretty_print_xml(self):
+ """
+ Regression test for ticket #4558 -- pretty printing of XML fixtures
+ doesn't affect parsing of None values.
+ """
+ # Load a pretty-printed XML fixture with Nulls.
+ management.call_command(
+ 'loaddata',
+ 'pretty.xml',
+ verbosity=0,
+ commit=False
+ )
+ self.assertEqual(Stuff.objects.all()[0].name, None)
+ self.assertEqual(Stuff.objects.all()[0].owner, None)
+
+ def test_absolute_path(self):
+ """
+ Regression test for ticket #6436 --
+ os.path.join will throw away the initial parts of a path if it
+ encounters an absolute path.
+ This means that if a fixture is specified as an absolute path,
+ we need to make sure we don't discover the absolute path in every
+ fixture directory.
+ """
+ load_absolute_path = os.path.join(
+ os.path.dirname(__file__),
+ 'fixtures',
+ 'absolute.json'
+ )
+ management.call_command(
+ 'loaddata',
+ load_absolute_path,
+ verbosity=0,
+ commit=False
+ )
+ self.assertEqual(Absolute.load_count, 1)
+
+
+ def test_unknown_format(self):
+ """
+ Test for ticket #4371 -- Loading data of an unknown format should fail
+ Validate that error conditions are caught correctly
+ """
+ stderr = StringIO()
+ management.call_command(
+ 'loaddata',
+ 'bad_fixture1.unkn',
+ verbosity=0,
+ commit=False,
+ stderr=stderr,
+ )
+ self.assertEqual(
+ stderr.getvalue(),
+ "Problem installing fixture 'bad_fixture1': unkn is not a known
serialization format.\n"
+ )
+
+ def test_invalid_data(self):
+ """
+ Test for ticket #4371 -- Loading a fixture file with invalid data
+ using explicit filename.
+ Validate that error conditions are caught correctly
+ """
+ stderr = StringIO()
+ management.call_command(
+ 'loaddata',
+ 'bad_fixture2.xml',
+ verbosity=0,
+ commit=False,
+ stderr=stderr,
+ )
+ self.assertEqual(
+ stderr.getvalue(),
+ "No fixture data found for 'bad_fixture2'. (File format may be
invalid.)\n"
+ )
+
+ def test_invalid_data_no_ext(self):
+ """
+ Test for ticket #4371 -- Loading a fixture file with invalid data
+ without file extension.
+ Validate that error conditions are caught correctly
+ """
+ stderr = StringIO()
+ management.call_command(
+ 'loaddata',
+ 'bad_fixture2',
+ verbosity=0,
+ commit=False,
+ stderr=stderr,
+ )
+ self.assertEqual(
+ stderr.getvalue(),
+ "No fixture data found for 'bad_fixture2'. (File format may be
invalid.)\n"
+ )
+
+ def test_empty(self):
+ """
+ Test for ticket #4371 -- Loading a fixture file with no data returns
an error.
+ Validate that error conditions are caught correctly
+ """
+ stderr = StringIO()
+ management.call_command(
+ 'loaddata',
+ 'empty',
+ verbosity=0,
+ commit=False,
+ stderr=stderr,
+ )
+ self.assertEqual(
+ stderr.getvalue(),
+ "No fixture data found for 'empty'. (File format may be
invalid.)\n"
+ )
+
+ def test_abort_loaddata_on_error(self):
+ """
+ Test for ticket #4371 -- If any of the fixtures contain an error,
+ loading is aborted.
+ Validate that error conditions are caught correctly
+ """
+ stderr = StringIO()
+ management.call_command(
+ 'loaddata',
+ 'empty',
+ verbosity=0,
+ commit=False,
+ stderr=stderr,
+ )
+ self.assertEqual(
+ stderr.getvalue(),
+ "No fixture data found for 'empty'. (File format may be
invalid.)\n"
+ )
+
+ def test_error_message(self):
+ """
+ (Regression for #9011 - error message is correct)
+ """
+ stderr = StringIO()
+ management.call_command(
+ 'loaddata',
+ 'bad_fixture2',
+ 'animal',
+ verbosity=0,
+ commit=False,
+ stderr=stderr,
+ )
+ self.assertEqual(
+ stderr.getvalue(),
+ "No fixture data found for 'bad_fixture2'. (File format may be
invalid.)\n"
+ )
+
+ def test_pg_sequence_resetting_checks(self):
+ """
+ Test for ticket #7565 -- PostgreSQL sequence resetting checks shouldn't
+ ascend to parent models when inheritance is used
+ (since they are treated individually).
+ """
+ management.call_command(
+ 'loaddata',
+ 'model-inheritance.json',
+ verbosity=0,
+ commit=False
+ )
+ self.assertEqual(Parent.objects.all()[0].id, 1)
+ self.assertEqual(Child.objects.all()[0].id, 1)
+
+ def test_close_connection_after_loaddata(self):
+ """
+ Test for ticket #7572 -- MySQL has a problem if the same connection is
+ used to create tables, load data, and then query over that data.
+ To compensate, we close the connection after running loaddata.
+ This ensures that a new connection is opened when test queries are
+ issued.
+ """
+ management.call_command(
+ 'loaddata',
+ 'big-fixture.json',
+ verbosity=0,
+ commit=False
+ )
+ articles = Article.objects.exclude(id=9)
+ self.assertEqual(
+ articles.values_list('id', flat=True).__repr__(),
+ "[1, 2, 3, 4, 5, 6, 7, 8]"
+ )
+ # Just for good measure, run the same query again.
+ # Under the influence of ticket #7572, this will
+ # give a different result to the previous call.
+ self.assertEqual(
+ articles.values_list('id', flat=True).__repr__(),
+ "[1, 2, 3, 4, 5, 6, 7, 8]"
+ )
+
+ def test_field_value_coerce(self):
+ """
+ Test for tickets #8298, #9942 - Field values should be coerced into the
+ correct type by the deserializer, not as part of the database write.
+ """
+ global pre_save_checks
+ pre_save_checks = []
+ signals.pre_save.connect(animal_pre_save_check)
+ management.call_command(
+ 'loaddata',
+ 'animal.xml',
+ verbosity=0,
+ commit=False,
+ )
+ self.assertEqual(
+ pre_save_checks,
+ [
+ ("Count = 42 (<type 'int'>)", "Weight = 1.2 (<type 'float'>)")
+ ]
+ )
+ signals.pre_save.disconnect(animal_pre_save_check)
+
+ def test_dumpdata_uses_default_manager(self):
+ """
+ Regression for #11286
+ Ensure that dumpdata honors the default manager
+ Dump the current contents of the database as a JSON fixture
+ """
+ management.call_command(
+ 'loaddata',
+ 'animal.xml',
+ verbosity=0,
+ commit=False,
+ )
+ management.call_command(
+ 'loaddata',
+ 'sequence.json',
+ verbosity=0,
+ commit=False,
+ )
+ animal = Animal(
+ name='Platypus',
+ latin_name='Ornithorhynchus anatinus',
+ count=2,
+ weight=2.2
+ )
+ animal.save()
+
+ stdout = StringIO()
+ management.call_command(
+ 'dumpdata',
+ 'fixtures_regress.animal',
+ format='json',
+ stdout=stdout
+ )
+ self.assertEqual(
+ stdout.getvalue(),
+ """[{"pk": 1, "model": "fixtures_regress.animal", "fields":
{"count": 3, "weight": 1.2, "name": "Lion", "latin_name": "Panthera leo"}},
{"pk": 10, "model": "fixtures_regress.animal", "fields": {"count": 42,
"weight": 1.2, "name": "Emu", "latin_name": "Dromaius novaehollandiae"}},
{"pk": 11, "model": "fixtures_regress.animal", "fields": {"count": 2, "weight":
2.2000000000000002, "name": "Platypus", "latin_name": "Ornithorhynchus
anatinus"}}]"""
+ )
+
+ def test_proxy_model_included(self):
+ """
+ Regression for #11428 - Proxy models aren't included when you dumpdata
+ """
+ stdout = StringIO()
+ # Create an instance of the concrete class
+ Widget(name='grommet').save()
+ management.call_command(
+ 'dumpdata',
+ 'fixtures_regress.widget',
+ 'fixtures_regress.widgetproxy',
+ format='json',
+ stdout=stdout
+ )
+ self.assertEqual(
+ stdout.getvalue(),
+ """[{"pk": 1, "model": "fixtures_regress.widget", "fields":
{"name": "grommet"}}]"""
+ )
+
+
+class NaturalKeyFixtureTests(TestCase):
+ def assertRaisesMessage(self, exc, msg, func, *args, **kwargs):
+ try:
+ func(*args, **kwargs)
+ except Exception, e:
+ self.assertEqual(msg, str(e))
+ self.assertTrue(isinstance(e, exc), "Expected %s, got %s" % (exc,
type(e)))
+
+ def test_nk_deserialize(self):
+ """
+ Test for ticket #13030 - Python based parser version
+ natural keys deserialize with fk to inheriting model
+ """
+ management.call_command(
+ 'loaddata',
+ 'model-inheritance.json',
+ verbosity=0,
+ commit=False
+ )
+ management.call_command(
+ 'loaddata',
+ 'nk-inheritance.json',
+ verbosity=0,
+ commit=False
+ )
+ self.assertEqual(
+ NKChild.objects.get(pk=1).data,
+ 'apple'
+ )
+
+ self.assertEqual(
+ RefToNKChild.objects.get(pk=1).nk_fk.data,
+ 'apple'
+ )
+
+ def test_nk_deserialize_xml(self):
+ """
+ Test for ticket #13030 - XML version
+ natural keys deserialize with fk to inheriting model
+ """
+ management.call_command(
+ 'loaddata',
+ 'model-inheritance.json',
+ verbosity=0,
+ commit=False
+ )
+ management.call_command(
+ 'loaddata',
+ 'nk-inheritance.json',
+ verbosity=0,
+ commit=False
+ )
+ management.call_command(
+ 'loaddata',
+ 'nk-inheritance2.xml',
+ verbosity=0,
+ commit=False
+ )
+ self.assertEqual(
+ NKChild.objects.get(pk=2).data,
+ 'banana'
+ )
+ self.assertEqual(
+ RefToNKChild.objects.get(pk=2).nk_fk.data,
+ 'apple'
+ )
+
+ def test_nk_on_serialize(self):
+ """
+ Check that natural key requirements are taken into account
+ when serializing models
+ """
+ management.call_command(
+ 'loaddata',
+ 'forward_ref_lookup.json',
+ verbosity=0,
+ commit=False
+ )
+
+ stdout = StringIO()
+ management.call_command(
+ 'dumpdata',
+ 'fixtures_regress.book',
+ 'fixtures_regress.person',
+ 'fixtures_regress.store',
+ verbosity=0,
+ format='json',
+ use_natural_keys=True,
+ stdout=stdout,
+ )
+ self.assertEqual(
+ stdout.getvalue(),
+ """[{"pk": 2, "model": "fixtures_regress.store", "fields":
{"name": "Amazon"}}, {"pk": 3, "model": "fixtures_regress.store", "fields":
{"name": "Borders"}}, {"pk": 4, "model": "fixtures_regress.person", "fields":
{"name": "Neal Stephenson"}}, {"pk": 1, "model": "fixtures_regress.book",
"fields": {"stores": [["Amazon"], ["Borders"]], "name": "Cryptonomicon",
"author": ["Neal Stephenson"]}}]"""
+ )
+
+ def test_dependency_sorting(self):
+ """
+ Now lets check the dependency sorting explicitly
+ It doesn't matter what order you mention the models
+ Store *must* be serialized before then Person, and both
+ must be serialized before Book.
+ """
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Book, Person, Store])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Store, Person, Book]
+ )
+
+ def test_dependency_sorting_2(self):
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Book, Store, Person])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Store, Person, Book]
+ )
+
+ def test_dependency_sorting_3(self):
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Store, Book, Person])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Store, Person, Book]
+ )
+
+ def test_dependency_sorting_4(self):
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Store, Person, Book])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Store, Person, Book]
+ )
+
+ def test_dependency_sorting_5(self):
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Person, Book, Store])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Store, Person, Book]
+ )
+
+ def test_dependency_sorting_6(self):
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Person, Store, Book])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Store, Person, Book]
+ )
+
+ def test_dependency_sorting_dangling(self):
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Person, Circle1, Store, Book])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Circle1, Store, Person, Book]
+ )
+
+ def test_dependency_sorting_tight_circular(self):
+ self.assertRaisesMessage(
+ CommandError,
+ """Can't resolve dependencies for fixtures_regress.Circle1,
fixtures_regress.Circle2 in serialized app list.""",
+ sort_dependencies,
+ [('fixtures_regress', [Person, Circle2, Circle1, Store, Book])],
+ )
+
+ def test_dependency_sorting_tight_circular_2(self):
+ self.assertRaisesMessage(
+ CommandError,
+ """Can't resolve dependencies for fixtures_regress.Circle1,
fixtures_regress.Circle2 in serialized app list.""",
+ sort_dependencies,
+ [('fixtures_regress', [Circle1, Book, Circle2])],
+ )
+
+ def test_dependency_self_referential(self):
+ self.assertRaisesMessage(
+ CommandError,
+ """Can't resolve dependencies for fixtures_regress.Circle3 in
serialized app list.""",
+ sort_dependencies,
+ [('fixtures_regress', [Book, Circle3])],
+ )
+
+ def test_dependency_sorting_long(self):
+ self.assertRaisesMessage(
+ CommandError,
+ """Can't resolve dependencies for fixtures_regress.Circle1,
fixtures_regress.Circle2, fixtures_regress.Circle3 in serialized app list.""",
+ sort_dependencies,
+ [('fixtures_regress', [Person, Circle2, Circle1, Circle3, Store,
Book])],
+ )
+
+ def test_dependency_sorting_normal(self):
+ sorted_deps = sort_dependencies(
+ [('fixtures_regress', [Person, ExternalDependency, Book])]
+ )
+ self.assertEqual(
+ sorted_deps,
+ [Person, Book, ExternalDependency]
+ )
+
+ def test_normal_pk(self):
+ """
+ Check that normal primary keys still work
+ on a model with natural key capabilities
+ """
+ management.call_command(
+ 'loaddata',
+ 'non_natural_1.json',
+ verbosity=0,
+ commit=False
+ )
+ management.call_command(
+ 'loaddata',
+ 'forward_ref_lookup.json',
+ verbosity=0,
+ commit=False
+ )
+ management.call_command(
+ 'loaddata',
+ 'non_natural_2.xml',
+ verbosity=0,
+ commit=False
+ )
+ books = Book.objects.all()
+ self.assertEqual(
+ books.__repr__(),
+ """[<Book: Cryptonomicon by Neal Stephenson (available at Amazon,
Borders)>, <Book: Ender's Game by Orson Scott Card (available at Collins
Bookstore)>, <Book: Permutation City by Greg Egan (available at Angus and
Robertson)>]"""
+ )
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