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authorFlorian Apolloner <florian@apolloner.eu>2013-02-26 09:53:47 +0100
committerFlorian Apolloner <florian@apolloner.eu>2013-02-26 14:36:57 +0100
commit89f40e36246100df6a11316c31a76712ebc6c501 (patch)
tree6e65639683ddaf2027908d1ecb1739e0e2ff853b /tests/order_with_respect_to
parentb3d2ccb5bfbaf6e7fe1f98843baaa48c35a70950 (diff)
downloaddjango-89f40e36246100df6a11316c31a76712ebc6c501.tar.gz
Merged regressiontests and modeltests into the test root.
Diffstat (limited to 'tests/order_with_respect_to')
-rw-r--r--tests/order_with_respect_to/__init__.py0
-rw-r--r--tests/order_with_respect_to/models.py33
-rw-r--r--tests/order_with_respect_to/tests.py73
3 files changed, 106 insertions, 0 deletions
diff --git a/tests/order_with_respect_to/__init__.py b/tests/order_with_respect_to/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/order_with_respect_to/__init__.py
diff --git a/tests/order_with_respect_to/models.py b/tests/order_with_respect_to/models.py
new file mode 100644
index 0000000000..06bb56b141
--- /dev/null
+++ b/tests/order_with_respect_to/models.py
@@ -0,0 +1,33 @@
+"""
+Tests for the order_with_respect_to Meta attribute.
+"""
+
+from django.db import models
+from django.utils import six
+from django.utils.encoding import python_2_unicode_compatible
+
+
+class Question(models.Model):
+ text = models.CharField(max_length=200)
+
+@python_2_unicode_compatible
+class Answer(models.Model):
+ text = models.CharField(max_length=200)
+ question = models.ForeignKey(Question)
+
+ class Meta:
+ order_with_respect_to = 'question'
+
+ def __str__(self):
+ return six.text_type(self.text)
+
+@python_2_unicode_compatible
+class Post(models.Model):
+ title = models.CharField(max_length=200)
+ parent = models.ForeignKey("self", related_name="children", null=True)
+
+ class Meta:
+ order_with_respect_to = "parent"
+
+ def __str__(self):
+ return self.title
diff --git a/tests/order_with_respect_to/tests.py b/tests/order_with_respect_to/tests.py
new file mode 100644
index 0000000000..559cb1d996
--- /dev/null
+++ b/tests/order_with_respect_to/tests.py
@@ -0,0 +1,73 @@
+from __future__ import absolute_import
+
+from operator import attrgetter
+
+from django.test import TestCase
+
+from .models import Post, Question, Answer
+
+
+class OrderWithRespectToTests(TestCase):
+ def test_basic(self):
+ q1 = Question.objects.create(text="Which Beatle starts with the letter 'R'?")
+ q2 = Question.objects.create(text="What is your name?")
+
+ Answer.objects.create(text="John", question=q1)
+ Answer.objects.create(text="Jonno", question=q2)
+ Answer.objects.create(text="Paul", question=q1)
+ Answer.objects.create(text="Paulo", question=q2)
+ Answer.objects.create(text="George", question=q1)
+ Answer.objects.create(text="Ringo", question=q1)
+
+ # The answers will always be ordered in the order they were inserted.
+ self.assertQuerysetEqual(
+ q1.answer_set.all(), [
+ "John", "Paul", "George", "Ringo",
+ ],
+ attrgetter("text"),
+ )
+
+ # We can retrieve the answers related to a particular object, in the
+ # order they were created, once we have a particular object.
+ a1 = Answer.objects.filter(question=q1)[0]
+ self.assertEqual(a1.text, "John")
+ a2 = a1.get_next_in_order()
+ self.assertEqual(a2.text, "Paul")
+ a4 = list(Answer.objects.filter(question=q1))[-1]
+ self.assertEqual(a4.text, "Ringo")
+ self.assertEqual(a4.get_previous_in_order().text, "George")
+
+ # Determining (and setting) the ordering for a particular item is also
+ # possible.
+ id_list = [o.pk for o in q1.answer_set.all()]
+ self.assertEqual(a2.question.get_answer_order(), id_list)
+
+ a5 = Answer.objects.create(text="Number five", question=q1)
+
+ # It doesn't matter which answer we use to check the order, it will
+ # always be the same.
+ self.assertEqual(
+ a2.question.get_answer_order(), a5.question.get_answer_order()
+ )
+
+ # The ordering can be altered:
+ id_list = [o.pk for o in q1.answer_set.all()]
+ x = id_list.pop()
+ id_list.insert(-1, x)
+ self.assertNotEqual(a5.question.get_answer_order(), id_list)
+ a5.question.set_answer_order(id_list)
+ self.assertQuerysetEqual(
+ q1.answer_set.all(), [
+ "John", "Paul", "George", "Number five", "Ringo"
+ ],
+ attrgetter("text")
+ )
+
+ def test_recursive_ordering(self):
+ p1 = Post.objects.create(title='1')
+ p2 = Post.objects.create(title='2')
+ p1_1 = Post.objects.create(title="1.1", parent=p1)
+ p1_2 = Post.objects.create(title="1.2", parent=p1)
+ p2_1 = Post.objects.create(title="2.1", parent=p2)
+ p1_3 = Post.objects.create(title="1.3", parent=p1)
+ self.assertEqual(p1.get_post_order(), [p1_1.pk, p1_2.pk, p1_3.pk])