mirror of
https://github.com/Hopiu/django-model-utils.git
synced 2026-03-17 04:10:24 +00:00
409 lines
14 KiB
Python
409 lines
14 KiB
Python
from datetime import datetime, timedelta
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from django.test import TestCase
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from django.conf import settings
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from django.db import models
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from django.db.models.fields import FieldDoesNotExist
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from django.core.exceptions import ImproperlyConfigured
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from django.contrib.contenttypes.models import ContentType
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from model_utils import ChoiceEnum, Choices
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from model_utils.fields import get_excerpt, MonitorField
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from model_utils.managers import QueryManager, manager_from
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from model_utils.models import StatusModel, TimeFramedModel
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from model_utils.tests.models import (InheritParent, InheritChild, InheritChild2,
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TimeStamp, Post, Article, Status,
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StatusPlainTuple, TimeFrame, Monitored,
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StatusManagerAdded, TimeFrameManagerAdded,
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Entry)
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class GetExcerptTests(TestCase):
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def test_split(self):
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e = get_excerpt("some content\n\n<!-- split -->\n\nsome more")
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self.assertEquals(e, 'some content\n')
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def test_auto_split(self):
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e = get_excerpt("para one\n\npara two\n\npara three")
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self.assertEquals(e, 'para one\n\npara two')
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def test_middle_of_para(self):
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e = get_excerpt("some text\n<!-- split -->\nmore text")
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self.assertEquals(e, 'some text')
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def test_middle_of_line(self):
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e = get_excerpt("some text <!-- split --> more text")
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self.assertEquals(e, "some text <!-- split --> more text")
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class SplitFieldTests(TestCase):
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full_text = u'summary\n\n<!-- split -->\n\nmore'
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excerpt = u'summary\n'
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def setUp(self):
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self.post = Article.objects.create(
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title='example post', body=self.full_text)
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def test_unicode_content(self):
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self.assertEquals(unicode(self.post.body), self.full_text)
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def test_excerpt(self):
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self.assertEquals(self.post.body.excerpt, self.excerpt)
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def test_content(self):
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self.assertEquals(self.post.body.content, self.full_text)
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def test_has_more(self):
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self.failUnless(self.post.body.has_more)
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def test_not_has_more(self):
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post = Article.objects.create(title='example 2',
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body='some text\n\nsome more\n')
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self.failIf(post.body.has_more)
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def test_load_back(self):
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post = Article.objects.get(pk=self.post.pk)
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self.assertEquals(post.body.content, self.post.body.content)
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self.assertEquals(post.body.excerpt, self.post.body.excerpt)
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def test_assign_to_body(self):
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new_text = u'different\n\n<!-- split -->\n\nother'
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self.post.body = new_text
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self.post.save()
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self.assertEquals(unicode(self.post.body), new_text)
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def test_assign_to_content(self):
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new_text = u'different\n\n<!-- split -->\n\nother'
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self.post.body.content = new_text
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self.post.save()
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self.assertEquals(unicode(self.post.body), new_text)
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def test_assign_to_excerpt(self):
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def _invalid_assignment():
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self.post.body.excerpt = 'this should fail'
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self.assertRaises(AttributeError, _invalid_assignment)
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def test_access_via_class(self):
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def _invalid_access():
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Article.body
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self.assertRaises(AttributeError, _invalid_access)
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def test_none(self):
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a = Article(title='Some Title', body=None)
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self.assertEquals(a.body, None)
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def test_assign_splittext(self):
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a = Article(title='Some Title')
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a.body = self.post.body
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self.assertEquals(a.body.excerpt, u'summary\n')
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def test_value_to_string(self):
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f = self.post._meta.get_field('body')
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self.assertEquals(f.value_to_string(self.post), self.full_text)
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class MonitorFieldTests(TestCase):
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def setUp(self):
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self.instance = Monitored(name='Charlie')
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self.created = self.instance.name_changed
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def test_save_no_change(self):
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self.instance.save()
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self.assertEquals(self.instance.name_changed, self.created)
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def test_save_changed(self):
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self.instance.name = 'Maria'
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self.instance.save()
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self.failUnless(self.instance.name_changed > self.created)
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def test_double_save(self):
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self.instance.name = 'Jose'
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self.instance.save()
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changed = self.instance.name_changed
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self.instance.save()
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self.assertEquals(self.instance.name_changed, changed)
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def test_no_monitor_arg(self):
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self.assertRaises(TypeError, MonitorField)
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class ChoicesTests(TestCase):
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def setUp(self):
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self.STATUS = Choices('DRAFT', 'PUBLISHED')
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def test_getattr(self):
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self.assertEquals(self.STATUS.DRAFT, 'DRAFT')
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def test_indexing(self):
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self.assertEquals(self.STATUS[1], ('PUBLISHED', 'PUBLISHED'))
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def test_iteration(self):
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self.assertEquals(tuple(self.STATUS), (('DRAFT', 'DRAFT'), ('PUBLISHED', 'PUBLISHED')))
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def test_repr(self):
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self.assertEquals(repr(self.STATUS),
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"Choices("
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"('DRAFT', 'DRAFT', 'DRAFT'), "
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"('PUBLISHED', 'PUBLISHED', 'PUBLISHED'))")
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def test_wrong_length_tuple(self):
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self.assertRaises(ValueError, Choices, ('a',))
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class LabelChoicesTests(ChoicesTests):
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def setUp(self):
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self.STATUS = Choices(
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('DRAFT', 'is draft'),
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('PUBLISHED', 'is published'),
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'DELETED',
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)
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def test_iteration(self):
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self.assertEquals(tuple(self.STATUS), (
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('DRAFT', 'is draft'),
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('PUBLISHED', 'is published'),
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('DELETED', 'DELETED'))
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)
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def test_indexing(self):
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self.assertEquals(self.STATUS[1], ('PUBLISHED', 'is published'))
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def test_default(self):
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self.assertEquals(self.STATUS.DELETED, 'DELETED')
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def test_provided(self):
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self.assertEquals(self.STATUS.DRAFT, 'DRAFT')
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def test_repr(self):
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self.assertEquals(repr(self.STATUS),
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"Choices("
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"('DRAFT', 'DRAFT', 'is draft'), "
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"('PUBLISHED', 'PUBLISHED', 'is published'), "
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"('DELETED', 'DELETED', 'DELETED'))")
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class IdentifierChoicesTests(ChoicesTests):
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def setUp(self):
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self.STATUS = Choices(
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(0, 'DRAFT', 'is draft'),
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(1, 'PUBLISHED', 'is published'),
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(2, 'DELETED', 'is deleted'))
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def test_iteration(self):
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self.assertEqual(tuple(self.STATUS), (
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(0, 'is draft'),
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(1, 'is published'),
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(2, 'is deleted')))
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def test_indexing(self):
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self.assertEquals(self.STATUS[1], (1, 'is published'))
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def test_getattr(self):
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self.assertEquals(self.STATUS.DRAFT, 0)
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def test_repr(self):
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self.assertEquals(repr(self.STATUS),
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"Choices("
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"(0, 'DRAFT', 'is draft'), "
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"(1, 'PUBLISHED', 'is published'), "
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"(2, 'DELETED', 'is deleted'))")
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class InheritanceCastModelTests(TestCase):
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def setUp(self):
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self.parent = InheritParent.objects.create()
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self.child = InheritChild.objects.create()
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def test_parent_real_type(self):
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self.assertEquals(self.parent.real_type,
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ContentType.objects.get_for_model(InheritParent))
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def test_child_real_type(self):
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self.assertEquals(self.child.real_type,
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ContentType.objects.get_for_model(InheritChild))
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def test_cast(self):
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obj = InheritParent.objects.get(pk=self.child.pk).cast()
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self.assertEquals(obj.__class__, InheritChild)
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class InheritanceCastQuerysetTests(TestCase):
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def setUp(self):
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self.child = InheritChild.objects.create()
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self.child2 = InheritChild2.objects.create()
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def test_cast_manager(self):
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self.assertEquals(set(InheritParent.objects.cast()),
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set([self.child, self.child2]))
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def test_cast(self):
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parent = InheritParent.objects.create()
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obj = InheritParent.objects.filter(pk=self.child.pk).cast()[0]
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self.assertEquals(obj.__class__, InheritChild)
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self.assertEquals(set(InheritChild2.objects.all().cast()),
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set([self.child2]))
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self.assertEquals(set(InheritParent.objects.all().cast()),
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set([parent, self.child, self.child2]))
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class TimeStampedModelTests(TestCase):
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def test_created(self):
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t1 = TimeStamp.objects.create()
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t2 = TimeStamp.objects.create()
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self.assert_(t2.created > t1.created)
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def test_modified(self):
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t1 = TimeStamp.objects.create()
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t2 = TimeStamp.objects.create()
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t1.save()
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self.assert_(t2.modified < t1.modified)
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class TimeFramedModelTests(TestCase):
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def setUp(self):
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self.now = datetime.now()
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def test_not_yet_begun(self):
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TimeFrame.objects.create(start=self.now+timedelta(days=2))
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self.assertEquals(TimeFrame.timeframed.count(), 0)
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def test_finished(self):
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TimeFrame.objects.create(end=self.now-timedelta(days=1))
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self.assertEquals(TimeFrame.timeframed.count(), 0)
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def test_no_end(self):
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TimeFrame.objects.create(start=self.now-timedelta(days=10))
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self.assertEquals(TimeFrame.timeframed.count(), 1)
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def test_no_start(self):
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TimeFrame.objects.create(end=self.now+timedelta(days=2))
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self.assertEquals(TimeFrame.timeframed.count(), 1)
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def test_within_range(self):
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TimeFrame.objects.create(start=self.now-timedelta(days=1),
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end=self.now+timedelta(days=1))
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self.assertEquals(TimeFrame.timeframed.count(), 1)
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class TimeFrameManagerAddedTests(TestCase):
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def test_manager_available(self):
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self.assert_(isinstance(TimeFrameManagerAdded.timeframed, QueryManager))
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def test_conflict_error(self):
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def _run():
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class ErrorModel(TimeFramedModel):
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timeframed = models.BooleanField()
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self.assertRaises(ImproperlyConfigured, _run)
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class StatusModelTests(TestCase):
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def setUp(self):
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self.model = Status
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self.on_hold = Status.STATUS.on_hold
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self.active = Status.STATUS.active
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def test_created(self):
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c1 = self.model.objects.create()
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c2 = self.model.objects.create()
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self.assert_(c2.status_changed > c1.status_changed)
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self.assertEquals(self.model.active.count(), 2)
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self.assertEquals(self.model.deleted.count(), 0)
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def test_modification(self):
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t1 = self.model.objects.create()
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date_created = t1.status_changed
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t1.status = self.on_hold
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t1.save()
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self.assertEquals(self.model.active.count(), 0)
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self.assertEquals(self.model.on_hold.count(), 1)
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self.assert_(t1.status_changed > date_created)
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date_changed = t1.status_changed
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t1.save()
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self.assertEquals(t1.status_changed, date_changed)
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date_active_again = t1.status_changed
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t1.status = self.active
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t1.save()
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self.assert_(t1.status_changed > date_active_again)
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class StatusModelPlainTupleTests(StatusModelTests):
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def setUp(self):
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self.model = StatusPlainTuple
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self.on_hold = StatusPlainTuple.STATUS[2][0]
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self.active = StatusPlainTuple.STATUS[0][0]
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class StatusManagerAddedTests(TestCase):
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def test_manager_available(self):
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self.assert_(isinstance(StatusManagerAdded.active, QueryManager))
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def test_conflict_error(self):
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def _run():
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class ErrorModel(StatusModel):
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STATUS = (
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('active', 'active'),
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('deleted', 'deleted'),
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)
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active = models.BooleanField()
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self.assertRaises(ImproperlyConfigured, _run)
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class QueryManagerTests(TestCase):
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def setUp(self):
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data = ((True, True, 0),
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(True, False, 4),
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(False, False, 2),
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(False, True, 3),
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(True, True, 1),
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(True, False, 5))
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for p, c, o in data:
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Post.objects.create(published=p, confirmed=c, order=o)
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def test_passing_kwargs(self):
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qs = Post.public.all()
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self.assertEquals([p.order for p in qs], [0, 1, 4, 5])
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def test_passing_Q(self):
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qs = Post.public_confirmed.all()
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self.assertEquals([p.order for p in qs], [0, 1])
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def test_ordering(self):
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qs = Post.public_reversed.all()
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self.assertEquals([p.order for p in qs], [5, 4, 1, 0])
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if 'south' in settings.INSTALLED_APPS:
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class SouthFreezingTests(TestCase):
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def test_introspector_adds_no_excerpt_field(self):
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from south.modelsinspector import introspector
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mf = Article._meta.get_field('body')
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args, kwargs = introspector(mf)
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self.assertEquals(kwargs['no_excerpt_field'], 'True')
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def test_no_excerpt_field_works(self):
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from models import NoRendered
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self.assertRaises(FieldDoesNotExist,
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NoRendered._meta.get_field,
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'_body_excerpt')
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class ManagerFromTests(TestCase):
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def setUp(self):
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Entry.objects.create(author='George', published=True)
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Entry.objects.create(author='George', published=False)
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Entry.objects.create(author='Paul', published=True, feature=True)
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def test_chaining(self):
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self.assertEqual(Entry.objects.by_author('George').published().count(),
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1)
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def test_function(self):
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self.assertEqual(Entry.objects.unpublished().count(), 1)
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def test_typecheck(self):
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self.assertRaises(TypeError, manager_from, 'somestring')
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def test_custom_get_query_set(self):
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self.assertEqual(Entry.featured.published().count(), 1)
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def test_cant_reconcile_qs_class(self):
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self.assertRaises(TypeError, Entry.broken.all)
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