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[1.2.X] Migrated signals_regress doctests. Thanks to Stephan Jaekel.

Backport of r13896 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13917 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 554be48d01d9aea9af9d27e7296488766f04f8c1 1 parent 025ee2c
@freakboy3742 freakboy3742 authored
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75 tests/regressiontests/signals_regress/models.py
@@ -1,7 +1,3 @@
-"""
-Testing signals before/after saving and deleting.
-"""
-
from django.db import models
class Author(models.Model):
@@ -16,74 +12,3 @@ class Book(models.Model):
def __unicode__(self):
return self.name
-
-def pre_save_test(signal, sender, instance, **kwargs):
- print 'pre_save signal,', instance
- if kwargs.get('raw'):
- print 'Is raw'
-
-def post_save_test(signal, sender, instance, **kwargs):
- print 'post_save signal,', instance
- if 'created' in kwargs:
- if kwargs['created']:
- print 'Is created'
- else:
- print 'Is updated'
- if kwargs.get('raw'):
- print 'Is raw'
-
-def pre_delete_test(signal, sender, instance, **kwargs):
- print 'pre_delete signal,', instance
- print 'instance.id is not None: %s' % (instance.id != None)
-
-def post_delete_test(signal, sender, instance, **kwargs):
- print 'post_delete signal,', instance
- print 'instance.id is not None: %s' % (instance.id != None)
-
-__test__ = {'API_TESTS':"""
-
-# Save up the number of connected signals so that we can check at the end
-# that all the signals we register get properly unregistered (#9989)
->>> pre_signals = (len(models.signals.pre_save.receivers),
-... len(models.signals.post_save.receivers),
-... len(models.signals.pre_delete.receivers),
-... len(models.signals.post_delete.receivers))
-
->>> models.signals.pre_save.connect(pre_save_test)
->>> models.signals.post_save.connect(post_save_test)
->>> models.signals.pre_delete.connect(pre_delete_test)
->>> models.signals.post_delete.connect(post_delete_test)
-
->>> a1 = Author(name='Neal Stephenson')
->>> a1.save()
-pre_save signal, Neal Stephenson
-post_save signal, Neal Stephenson
-Is created
-
->>> b1 = Book(name='Snow Crash')
->>> b1.save()
-pre_save signal, Snow Crash
-post_save signal, Snow Crash
-Is created
-
-# Assigning to m2m shouldn't generate an m2m signal
->>> b1.authors = [a1]
-
-# Removing an author from an m2m shouldn't generate an m2m signal
->>> b1.authors = []
-
->>> models.signals.post_delete.disconnect(post_delete_test)
->>> models.signals.pre_delete.disconnect(pre_delete_test)
->>> models.signals.post_save.disconnect(post_save_test)
->>> models.signals.pre_save.disconnect(pre_save_test)
-
-# Check that all our signals got disconnected properly.
->>> post_signals = (len(models.signals.pre_save.receivers),
-... len(models.signals.post_save.receivers),
-... len(models.signals.pre_delete.receivers),
-... len(models.signals.post_delete.receivers))
-
->>> pre_signals == post_signals
-True
-
-"""}
View
96 tests/regressiontests/signals_regress/tests.py
@@ -0,0 +1,96 @@
+import sys
+from StringIO import StringIO
+from django.test import TestCase
+
+from django.db import models
+from regressiontests.signals_regress.models import Author, Book
+
+signal_output = []
+
+def pre_save_test(signal, sender, instance, **kwargs):
+ signal_output.append('pre_save signal, %s' % instance)
+ if kwargs.get('raw'):
+ signal_output.append('Is raw')
+
+def post_save_test(signal, sender, instance, **kwargs):
+ signal_output.append('post_save signal, %s' % instance)
+ if 'created' in kwargs:
+ if kwargs['created']:
+ signal_output.append('Is created')
+ else:
+ signal_output.append('Is updated')
+ if kwargs.get('raw'):
+ signal_output.append('Is raw')
+
+def pre_delete_test(signal, sender, instance, **kwargs):
+ signal_output.append('pre_save signal, %s' % instance)
+ signal_output.append('instance.id is not None: %s' % (instance.id != None))
+
+def post_delete_test(signal, sender, instance, **kwargs):
+ signal_output.append('post_delete signal, %s' % instance)
+ signal_output.append('instance.id is not None: %s' % (instance.id != None))
+
+class SignalsRegressTests(TestCase):
+ """
+ Testing signals before/after saving and deleting.
+ """
+
+ def get_signal_output(self, fn, *args, **kwargs):
+ # Flush any existing signal output
+ global signal_output
+ signal_output = []
+ fn(*args, **kwargs)
+ return signal_output
+
+ def setUp(self):
+ # Save up the number of connected signals so that we can check at the end
+ # that all the signals we register get properly unregistered (#9989)
+ self.pre_signals = (len(models.signals.pre_save.receivers),
+ len(models.signals.post_save.receivers),
+ len(models.signals.pre_delete.receivers),
+ len(models.signals.post_delete.receivers))
+
+ models.signals.pre_save.connect(pre_save_test)
+ models.signals.post_save.connect(post_save_test)
+ models.signals.pre_delete.connect(pre_delete_test)
+ models.signals.post_delete.connect(post_delete_test)
+
+ def tearDown(self):
+ models.signals.post_delete.disconnect(post_delete_test)
+ models.signals.pre_delete.disconnect(pre_delete_test)
+ models.signals.post_save.disconnect(post_save_test)
+ models.signals.pre_save.disconnect(pre_save_test)
+
+ # Check that all our signals got disconnected properly.
+ post_signals = (len(models.signals.pre_save.receivers),
+ len(models.signals.post_save.receivers),
+ len(models.signals.pre_delete.receivers),
+ len(models.signals.post_delete.receivers))
+
+ self.assertEquals(self.pre_signals, post_signals)
+
+ def test_model_signals(self):
+ """ Model saves should throw some signals. """
+ a1 = Author(name='Neal Stephenson')
+ self.assertEquals(self.get_signal_output(a1.save), [
+ "pre_save signal, Neal Stephenson",
+ "post_save signal, Neal Stephenson",
+ "Is created"
+ ])
+
+ b1 = Book(name='Snow Crash')
+ self.assertEquals(self.get_signal_output(b1.save), [
+ "pre_save signal, Snow Crash",
+ "post_save signal, Snow Crash",
+ "Is created"
+ ])
+
+ def test_m2m_signals(self):
+ """ Assigning and removing to/from m2m shouldn't generate an m2m signal """
+
+ b1 = Book(name='Snow Crash')
+ self.get_signal_output(b1.save)
+ a1 = Author(name='Neal Stephenson')
+ self.get_signal_output(a1.save)
+ self.assertEquals(self.get_signal_output(setattr, b1, 'authors', [a1]), [])
+ self.assertEquals(self.get_signal_output(setattr, b1, 'authors', []), [])
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