Merged pagination tests (45802e12) · Commits · Dom Sekotill / django

tests/modeltests/pagination/tests.py

deleted100644 → 0

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		from __future__ import absolute_import, unicode_literals

		from datetime import datetime

		from django.core.paginator import Paginator, InvalidPage, EmptyPage
		from django.test import TestCase
		from django.utils import six

		from .models import Article


		class CountContainer(object):
		def count(self):
		return 42

		class LenContainer(object):
		def __len__(self):
		return 42

		class PaginationTests(TestCase):
		def setUp(self):
		# Prepare a list of objects for pagination.
		for x in range(1, 10):
		a = Article(headline='Article %s' % x, pub_date=datetime(2005, 7, 29))
		a.save()

		def test_paginator(self):
		paginator = Paginator(Article.objects.all(), 5)
		self.assertEqual(9, paginator.count)
		self.assertEqual(2, paginator.num_pages)
		self.assertEqual([1, 2], list(paginator.page_range))

		def test_first_page(self):
		paginator = Paginator(Article.objects.all(), 5)
		p = paginator.page(1)
		self.assertEqual("<Page 1 of 2>", six.text_type(p))
		self.assertQuerysetEqual(p.object_list, [
		"<Article: Article 1>",
		"<Article: Article 2>",
		"<Article: Article 3>",
		"<Article: Article 4>",
		"<Article: Article 5>"
		]
		)
		self.assertTrue(p.has_next())
		self.assertFalse(p.has_previous())
		self.assertTrue(p.has_other_pages())
		self.assertEqual(2, p.next_page_number())
		self.assertRaises(InvalidPage, p.previous_page_number)
		self.assertEqual(1, p.start_index())
		self.assertEqual(5, p.end_index())

		def test_last_page(self):
		paginator = Paginator(Article.objects.all(), 5)
		p = paginator.page(2)
		self.assertEqual("<Page 2 of 2>", six.text_type(p))
		self.assertQuerysetEqual(p.object_list, [
		"<Article: Article 6>",
		"<Article: Article 7>",
		"<Article: Article 8>",
		"<Article: Article 9>"
		]
		)
		self.assertFalse(p.has_next())
		self.assertTrue(p.has_previous())
		self.assertTrue(p.has_other_pages())
		self.assertRaises(InvalidPage, p.next_page_number)
		self.assertEqual(1, p.previous_page_number())
		self.assertEqual(6, p.start_index())
		self.assertEqual(9, p.end_index())

		def test_empty_page(self):
		paginator = Paginator(Article.objects.all(), 5)
		self.assertRaises(EmptyPage, paginator.page, 0)
		self.assertRaises(EmptyPage, paginator.page, 3)

		# Empty paginators with allow_empty_first_page=True.
		paginator = Paginator(Article.objects.filter(id=0), 5, allow_empty_first_page=True)
		self.assertEqual(0, paginator.count)
		self.assertEqual(1, paginator.num_pages)
		self.assertEqual([1], list(paginator.page_range))

		# Empty paginators with allow_empty_first_page=False.
		paginator = Paginator(Article.objects.filter(id=0), 5, allow_empty_first_page=False)
		self.assertEqual(0, paginator.count)
		self.assertEqual(0, paginator.num_pages)
		self.assertEqual([], list(paginator.page_range))

		def test_invalid_page(self):
		paginator = Paginator(Article.objects.all(), 5)
		self.assertRaises(InvalidPage, paginator.page, 7)

		def test_orphans(self):
		# Add a few more records to test out the orphans feature.
		for x in range(10, 13):
		Article(headline="Article %s" % x, pub_date=datetime(2006, 10, 6)).save()

		# With orphans set to 3 and 10 items per page, we should get all 12 items on a single page.
		paginator = Paginator(Article.objects.all(), 10, orphans=3)
		self.assertEqual(1, paginator.num_pages)

		# With orphans only set to 1, we should get two pages.
		paginator = Paginator(Article.objects.all(), 10, orphans=1)
		self.assertEqual(2, paginator.num_pages)

		def test_paginate_list(self):
		# Paginators work with regular lists/tuples, too -- not just with QuerySets.
		paginator = Paginator([1, 2, 3, 4, 5, 6, 7, 8, 9], 3)
		self.assertEqual(9, paginator.count)
		self.assertEqual(3, paginator.num_pages)
		self.assertEqual([1, 2, 3], list(paginator.page_range))
		p = paginator.page(2)
		self.assertEqual("<Page 2 of 3>", six.text_type(p))
		self.assertEqual([4, 5, 6], p.object_list)
		self.assertTrue(p.has_next())
		self.assertTrue(p.has_previous())
		self.assertTrue(p.has_other_pages())
		self.assertEqual(3, p.next_page_number())
		self.assertEqual(1, p.previous_page_number())
		self.assertEqual(4, p.start_index())
		self.assertEqual(6, p.end_index())

		def test_paginate_misc_classes(self):
		# Paginator can be passed other objects with a count() method.
		paginator = Paginator(CountContainer(), 10)
		self.assertEqual(42, paginator.count)
		self.assertEqual(5, paginator.num_pages)
		self.assertEqual([1, 2, 3, 4, 5], list(paginator.page_range))

		# Paginator can be passed other objects that implement __len__.
		paginator = Paginator(LenContainer(), 10)
		self.assertEqual(42, paginator.count)
		self.assertEqual(5, paginator.num_pages)
		self.assertEqual([1, 2, 3, 4, 5], list(paginator.page_range))

tests/modeltests/pagination/init.py→tests/regressiontests/pagination/init.py

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File moved.

tests/modeltests/pagination/models.py→tests/regressiontests/pagination/models.py

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Original line number	Diff line number	Diff line
		"""
		30. Object pagination

		Django provides a framework for paginating a list of objects in a few lines
		of code. This is often useful for dividing search results or long lists of
		objects into easily readable pages.
		"""

		from django.db import models
		from django.utils.encoding import python_2_unicode_compatible

tests/regressiontests/pagination_regress/tests.py→tests/regressiontests/pagination/tests.py

+95 −13

Original line number	Diff line number	Diff line
		from __future__ import unicode_literals
		from __future__ import absolute_import, unicode_literals

		from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
		from django.utils.unittest import TestCase
		from datetime import datetime

		class PaginatorTests(TestCase):
		from django.core.paginator import (Paginator, EmptyPage, InvalidPage,
		PageNotAnInteger)
		from django.test import TestCase
		from django.utils import six
		from django.utils import unittest

		from .models import Article


		class PaginationTests(unittest.TestCase):
		"""
		Tests for the Paginator and Page classes.
		"""
		@@ -31,15 +39,6 @@ class PaginatorTests(TestCase):
		"For '%s', expected %s but got %s. Paginator parameters were: %s"
		% (name, expected, got, params))

		def test_invalid_page_number(self):
		"""
		Tests that invalid page numbers result in the correct exception being
		raised.
		"""
		paginator = Paginator([1, 2, 3], 2)
		self.assertRaises(PageNotAnInteger, paginator.validate_number, None)
		self.assertRaises(PageNotAnInteger, paginator.validate_number, 'x')

		def test_paginator(self):
		"""
		Tests the paginator attributes using varying inputs.
		@@ -107,6 +106,38 @@ class PaginatorTests(TestCase):
		for params, output in tests:
		self.check_paginator(params, output)

		def test_invalid_page_number(self):
		"""
		Tests that invalid page numbers result in the correct exception being
		raised.
		"""
		paginator = Paginator([1, 2, 3], 2)
		self.assertRaises(InvalidPage, paginator.page, 3)
		self.assertRaises(PageNotAnInteger, paginator.validate_number, None)
		self.assertRaises(PageNotAnInteger, paginator.validate_number, 'x')
		# With no content and allow_empty_first_page=True, 1 is a valid page number
		paginator = Paginator([], 2)
		self.assertEqual(paginator.validate_number(1), 1)

		def test_paginate_misc_classes(self):
		class CountContainer(object):
		def count(self):
		return 42
		# Paginator can be passed other objects with a count() method.
		paginator = Paginator(CountContainer(), 10)
		self.assertEqual(42, paginator.count)
		self.assertEqual(5, paginator.num_pages)
		self.assertEqual([1, 2, 3, 4, 5], list(paginator.page_range))

		# Paginator can be passed other objects that implement __len__.
		class LenContainer(object):
		def __len__(self):
		return 42
		paginator = Paginator(LenContainer(), 10)
		self.assertEqual(42, paginator.count)
		self.assertEqual(5, paginator.num_pages)
		self.assertEqual([1, 2, 3, 4, 5], list(paginator.page_range))

		def check_indexes(self, params, page_num, indexes):
		"""
		Helper method that instantiates a Paginator object from the passed
		@@ -168,6 +199,7 @@ class PaginatorTests(TestCase):
		for params, first, last in tests:
		self.check_indexes(params, 'first', first)
		self.check_indexes(params, 'last', last)

		# When no items and no empty first page, we should get EmptyPage error.
		self.assertRaises(EmptyPage, self.check_indexes, ([], 4, 0, False), 1, None)
		self.assertRaises(EmptyPage, self.check_indexes, ([], 4, 1, False), 1, None)
		@@ -184,3 +216,53 @@ class PaginatorTests(TestCase):
		self.assertFalse('a' in page2)
		self.assertEqual(''.join(page2), 'fghijk')
		self.assertEqual(''.join(reversed(page2)), 'kjihgf')


		class ModelPaginationTests(TestCase):
		"""
		Test pagination with Django model instances
		"""
		def setUp(self):
		# Prepare a list of objects for pagination.
		for x in range(1, 10):
		a = Article(headline='Article %s' % x, pub_date=datetime(2005, 7, 29))
		a.save()

		def test_first_page(self):
		paginator = Paginator(Article.objects.all(), 5)
		p = paginator.page(1)
		self.assertEqual("<Page 1 of 2>", six.text_type(p))
		self.assertQuerysetEqual(p.object_list, [
		"<Article: Article 1>",
		"<Article: Article 2>",
		"<Article: Article 3>",
		"<Article: Article 4>",
		"<Article: Article 5>"
		]
		)
		self.assertTrue(p.has_next())
		self.assertFalse(p.has_previous())
		self.assertTrue(p.has_other_pages())
		self.assertEqual(2, p.next_page_number())
		self.assertRaises(InvalidPage, p.previous_page_number)
		self.assertEqual(1, p.start_index())
		self.assertEqual(5, p.end_index())

		def test_last_page(self):
		paginator = Paginator(Article.objects.all(), 5)
		p = paginator.page(2)
		self.assertEqual("<Page 2 of 2>", six.text_type(p))
		self.assertQuerysetEqual(p.object_list, [
		"<Article: Article 6>",
		"<Article: Article 7>",
		"<Article: Article 8>",
		"<Article: Article 9>"
		]
		)
		self.assertFalse(p.has_next())
		self.assertTrue(p.has_previous())
		self.assertTrue(p.has_other_pages())
		self.assertRaises(InvalidPage, p.next_page_number)
		self.assertEqual(1, p.previous_page_number())
		self.assertEqual(6, p.start_index())
		self.assertEqual(9, p.end_index())

tests/regressiontests/pagination_regress/init.py

deleted100644 → 0

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Empty file deleted.