Reorganized utils tests so it's all in separate modules. Thanks to Stephan Jaekel.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13889 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2010-09-27 15:15:04 +00:00
parent b4a8c77e7c
commit ba53cd30d1
5 changed files with 243 additions and 250 deletions

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from django.test import TestCase
from django.utils import checksums
class TestUtilsChecksums(TestCase):
def check_output(self, function, value, output=None):
"""
Check that function(value) equals output. If output is None,
check that function(value) equals value.
"""
if output is None:
output = value
self.assertEqual(function(value), output)
def test_luhn(self):
f = checksums.luhn
items = (
(4111111111111111, True), ('4111111111111111', True),
(4222222222222, True), (378734493671000, True),
(5424000000000015, True), (5555555555554444, True),
(1008, True), ('0000001008', True), ('000000001008', True),
(4012888888881881, True), (1234567890123456789012345678909, True),
(4111111111211111, False), (42222222222224, False),
(100, False), ('100', False), ('0000100', False),
('abc', False), (None, False), (object(), False),
)
for value, output in items:
self.check_output(f, value, output)

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from django.test import TestCase
from django.utils import html
class TestUtilsHtml(TestCase):
def check_output(self, function, value, output=None):
"""
Check that function(value) equals output. If output is None,
check that function(value) equals value.
"""
if output is None:
output = value
self.assertEqual(function(value), output)
def test_escape(self):
f = html.escape
items = (
('&','&'),
('<', '&lt;'),
('>', '&gt;'),
('"', '&quot;'),
("'", '&#39;'),
)
# Substitution patterns for testing the above items.
patterns = ("%s", "asdf%sfdsa", "%s1", "1%sb")
for value, output in items:
for pattern in patterns:
self.check_output(f, pattern % value, pattern % output)
# Check repeated values.
self.check_output(f, value * 2, output * 2)
# Verify it doesn't double replace &.
self.check_output(f, '<&', '&lt;&amp;')
def test_linebreaks(self):
f = html.linebreaks
items = (
("para1\n\npara2\r\rpara3", "<p>para1</p>\n\n<p>para2</p>\n\n<p>para3</p>"),
("para1\nsub1\rsub2\n\npara2", "<p>para1<br />sub1<br />sub2</p>\n\n<p>para2</p>"),
("para1\r\n\r\npara2\rsub1\r\rpara4", "<p>para1</p>\n\n<p>para2<br />sub1</p>\n\n<p>para4</p>"),
("para1\tmore\n\npara2", "<p>para1\tmore</p>\n\n<p>para2</p>"),
)
for value, output in items:
self.check_output(f, value, output)
def test_strip_tags(self):
f = html.strip_tags
items = (
('<adf>a', 'a'),
('</adf>a', 'a'),
('<asdf><asdf>e', 'e'),
('<f', '<f'),
('</fe', '</fe'),
('<x>b<y>', 'b'),
)
for value, output in items:
self.check_output(f, value, output)
def test_strip_spaces_between_tags(self):
f = html.strip_spaces_between_tags
# Strings that should come out untouched.
items = (' <adf>', '<adf> ', ' </adf> ', ' <f> x</f>')
for value in items:
self.check_output(f, value)
# Strings that have spaces to strip.
items = (
('<d> </d>', '<d></d>'),
('<p>hello </p>\n<p> world</p>', '<p>hello </p><p> world</p>'),
('\n<p>\t</p>\n<p> </p>\n', '\n<p></p><p></p>\n'),
)
for value, output in items:
self.check_output(f, value, output)
def test_strip_entities(self):
f = html.strip_entities
# Strings that should come out untouched.
values = ("&", "&a", "&a", "a&#a")
for value in values:
self.check_output(f, value)
# Valid entities that should be stripped from the patterns.
entities = ("&#1;", "&#12;", "&a;", "&fdasdfasdfasdf;")
patterns = (
("asdf %(entity)s ", "asdf "),
("%(entity)s%(entity)s", ""),
("&%(entity)s%(entity)s", "&"),
("%(entity)s3", "3"),
)
for entity in entities:
for in_pattern, output in patterns:
self.check_output(f, in_pattern % {'entity': entity}, output)
def test_fix_ampersands(self):
f = html.fix_ampersands
# Strings without ampersands or with ampersands already encoded.
values = ("a&#1;", "b", "&a;", "&amp; &x; ", "asdf")
patterns = (
("%s", "%s"),
("&%s", "&amp;%s"),
("&%s&", "&amp;%s&amp;"),
)
for value in values:
for in_pattern, out_pattern in patterns:
self.check_output(f, in_pattern % value, out_pattern % value)
# Strings with ampersands that need encoding.
items = (
("&#;", "&amp;#;"),
("&#875 ;", "&amp;#875 ;"),
("&#4abc;", "&amp;#4abc;"),
)
for value, output in items:
self.check_output(f, value, output)

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from django.test import TestCase
from django.utils.functional import SimpleLazyObject
class _ComplexObject(object):
def __init__(self, name):
self.name = name
def __eq__(self, other):
return self.name == other.name
def __hash__(self):
return hash(self.name)
def __str__(self):
return "I am _ComplexObject(%r)" % self.name
def __unicode__(self):
return unicode(self.name)
def __repr__(self):
return "_ComplexObject(%r)" % self.name
complex_object = lambda: _ComplexObject("joe")
class TestUtilsSimpleLazyObject(TestCase):
"""
Tests for SimpleLazyObject
"""
# Note that concrete use cases for SimpleLazyObject are also found in the
# auth context processor tests (unless the implementation of that function
# is changed).
def test_equality(self):
self.assertEqual(complex_object(), SimpleLazyObject(complex_object))
self.assertEqual(SimpleLazyObject(complex_object), complex_object())
def test_hash(self):
# hash() equality would not be true for many objects, but it should be
# for _ComplexObject
self.assertEqual(hash(complex_object()),
hash(SimpleLazyObject(complex_object)))
def test_repr(self):
# For debugging, it will really confuse things if there is no clue that
# SimpleLazyObject is actually a proxy object. So we don't
# proxy __repr__
self.assert_("SimpleLazyObject" in repr(SimpleLazyObject(complex_object)))
def test_str(self):
self.assertEqual("I am _ComplexObject('joe')", str(SimpleLazyObject(complex_object)))
def test_unicode(self):
self.assertEqual(u"joe", unicode(SimpleLazyObject(complex_object)))
def test_class(self):
# This is important for classes that use __class__ in things like
# equality tests.
self.assertEqual(_ComplexObject, SimpleLazyObject(complex_object).__class__)
def test_deepcopy(self):
import django.utils.copycompat as copy
# Check that we *can* do deep copy, and that it returns the right
# objects.
# First, for an unevaluated SimpleLazyObject
s = SimpleLazyObject(complex_object)
assert s._wrapped is None
s2 = copy.deepcopy(s)
assert s._wrapped is None # something has gone wrong is s is evaluated
self.assertEqual(s2, complex_object())
# Second, for an evaluated SimpleLazyObject
name = s.name # evaluate
assert s._wrapped is not None
s3 = copy.deepcopy(s)
self.assertEqual(s3, complex_object())

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Tests for django.utils.
"""
from unittest import TestCase
from django.utils import html, checksums, text
from django.utils.functional import SimpleLazyObject
import timesince
import datastructures
import datetime_safe
import tzinfo
from decorators import DecoratorFromMiddlewareTests
from functional import FunctionalTestCase
# Extra tests
__test__ = {
'timesince': timesince,
'datastructures': datastructures,
'datetime_safe': datetime_safe,
'tzinfo': tzinfo,
}
from dateformat import *
from feedgenerator import *
from module_loading import *
from termcolors import *
from html import *
from checksums import *
from text import *
from simplelazyobject import *
from decorators import *
from functional import *
class TestUtilsHtml(TestCase):
def check_output(self, function, value, output=None):
"""
Check that function(value) equals output. If output is None,
check that function(value) equals value.
"""
if output is None:
output = value
self.assertEqual(function(value), output)
def test_escape(self):
f = html.escape
items = (
('&','&amp;'),
('<', '&lt;'),
('>', '&gt;'),
('"', '&quot;'),
("'", '&#39;'),
)
# Substitution patterns for testing the above items.
patterns = ("%s", "asdf%sfdsa", "%s1", "1%sb")
for value, output in items:
for pattern in patterns:
self.check_output(f, pattern % value, pattern % output)
# Check repeated values.
self.check_output(f, value * 2, output * 2)
# Verify it doesn't double replace &.
self.check_output(f, '<&', '&lt;&amp;')
def test_linebreaks(self):
f = html.linebreaks
items = (
("para1\n\npara2\r\rpara3", "<p>para1</p>\n\n<p>para2</p>\n\n<p>para3</p>"),
("para1\nsub1\rsub2\n\npara2", "<p>para1<br />sub1<br />sub2</p>\n\n<p>para2</p>"),
("para1\r\n\r\npara2\rsub1\r\rpara4", "<p>para1</p>\n\n<p>para2<br />sub1</p>\n\n<p>para4</p>"),
("para1\tmore\n\npara2", "<p>para1\tmore</p>\n\n<p>para2</p>"),
)
for value, output in items:
self.check_output(f, value, output)
def test_strip_tags(self):
f = html.strip_tags
items = (
('<adf>a', 'a'),
('</adf>a', 'a'),
('<asdf><asdf>e', 'e'),
('<f', '<f'),
('</fe', '</fe'),
('<x>b<y>', 'b'),
)
for value, output in items:
self.check_output(f, value, output)
def test_strip_spaces_between_tags(self):
f = html.strip_spaces_between_tags
# Strings that should come out untouched.
items = (' <adf>', '<adf> ', ' </adf> ', ' <f> x</f>')
for value in items:
self.check_output(f, value)
# Strings that have spaces to strip.
items = (
('<d> </d>', '<d></d>'),
('<p>hello </p>\n<p> world</p>', '<p>hello </p><p> world</p>'),
('\n<p>\t</p>\n<p> </p>\n', '\n<p></p><p></p>\n'),
)
for value, output in items:
self.check_output(f, value, output)
def test_strip_entities(self):
f = html.strip_entities
# Strings that should come out untouched.
values = ("&", "&a", "&a", "a&#a")
for value in values:
self.check_output(f, value)
# Valid entities that should be stripped from the patterns.
entities = ("&#1;", "&#12;", "&a;", "&fdasdfasdfasdf;")
patterns = (
("asdf %(entity)s ", "asdf "),
("%(entity)s%(entity)s", ""),
("&%(entity)s%(entity)s", "&"),
("%(entity)s3", "3"),
)
for entity in entities:
for in_pattern, output in patterns:
self.check_output(f, in_pattern % {'entity': entity}, output)
def test_fix_ampersands(self):
f = html.fix_ampersands
# Strings without ampersands or with ampersands already encoded.
values = ("a&#1;", "b", "&a;", "&amp; &x; ", "asdf")
patterns = (
("%s", "%s"),
("&%s", "&amp;%s"),
("&%s&", "&amp;%s&amp;"),
)
for value in values:
for in_pattern, out_pattern in patterns:
self.check_output(f, in_pattern % value, out_pattern % value)
# Strings with ampersands that need encoding.
items = (
("&#;", "&amp;#;"),
("&#875 ;", "&amp;#875 ;"),
("&#4abc;", "&amp;#4abc;"),
)
for value, output in items:
self.check_output(f, value, output)
class TestUtilsChecksums(TestCase):
def check_output(self, function, value, output=None):
"""
Check that function(value) equals output. If output is None,
check that function(value) equals value.
"""
if output is None:
output = value
self.assertEqual(function(value), output)
def test_luhn(self):
f = checksums.luhn
items = (
(4111111111111111, True), ('4111111111111111', True),
(4222222222222, True), (378734493671000, True),
(5424000000000015, True), (5555555555554444, True),
(1008, True), ('0000001008', True), ('000000001008', True),
(4012888888881881, True), (1234567890123456789012345678909, True),
(4111111111211111, False), (42222222222224, False),
(100, False), ('100', False), ('0000100', False),
('abc', False), (None, False), (object(), False),
)
for value, output in items:
self.check_output(f, value, output)
class _ComplexObject(object):
def __init__(self, name):
self.name = name
def __eq__(self, other):
return self.name == other.name
def __hash__(self):
return hash(self.name)
def __str__(self):
return "I am _ComplexObject(%r)" % self.name
def __unicode__(self):
return unicode(self.name)
def __repr__(self):
return "_ComplexObject(%r)" % self.name
complex_object = lambda: _ComplexObject("joe")
class TestUtilsSimpleLazyObject(TestCase):
"""
Tests for SimpleLazyObject
"""
# Note that concrete use cases for SimpleLazyObject are also found in the
# auth context processor tests (unless the implementation of that function
# is changed).
def test_equality(self):
self.assertEqual(complex_object(), SimpleLazyObject(complex_object))
self.assertEqual(SimpleLazyObject(complex_object), complex_object())
def test_hash(self):
# hash() equality would not be true for many objects, but it should be
# for _ComplexObject
self.assertEqual(hash(complex_object()),
hash(SimpleLazyObject(complex_object)))
def test_repr(self):
# For debugging, it will really confuse things if there is no clue that
# SimpleLazyObject is actually a proxy object. So we don't
# proxy __repr__
self.assert_("SimpleLazyObject" in repr(SimpleLazyObject(complex_object)))
def test_str(self):
self.assertEqual("I am _ComplexObject('joe')", str(SimpleLazyObject(complex_object)))
def test_unicode(self):
self.assertEqual(u"joe", unicode(SimpleLazyObject(complex_object)))
def test_class(self):
# This is important for classes that use __class__ in things like
# equality tests.
self.assertEqual(_ComplexObject, SimpleLazyObject(complex_object).__class__)
def test_deepcopy(self):
import django.utils.copycompat as copy
# Check that we *can* do deep copy, and that it returns the right
# objects.
# First, for an unevaluated SimpleLazyObject
s = SimpleLazyObject(complex_object)
assert s._wrapped is None
s2 = copy.deepcopy(s)
assert s._wrapped is None # something has gone wrong is s is evaluated
self.assertEqual(s2, complex_object())
# Second, for an evaluated SimpleLazyObject
name = s.name # evaluate
assert s._wrapped is not None
s3 = copy.deepcopy(s)
self.assertEqual(s3, complex_object())
class TestUtilsText(TestCase):
def test_truncate_words(self):
self.assertEqual(u'The quick brown fox jumped over the lazy dog.',
text.truncate_words(u'The quick brown fox jumped over the lazy dog.', 10))
self.assertEqual(u'The quick brown fox ...',
text.truncate_words('The quick brown fox jumped over the lazy dog.', 4))
self.assertEqual(u'The quick brown fox ....',
text.truncate_words('The quick brown fox jumped over the lazy dog.', 4, '....'))
self.assertEqual(u'<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 10))
self.assertEqual(u'<p><strong><em>The quick brown fox ...</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4))
self.assertEqual(u'<p><strong><em>The quick brown fox ....</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4, '....'))
self.assertEqual(u'<p><strong><em>The quick brown fox</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4, None))
if __name__ == "__main__":
import doctest
doctest.testmod()

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from django.test import TestCase
from django.utils import text
class TestUtilsText(TestCase):
def test_truncate_words(self):
self.assertEqual(u'The quick brown fox jumped over the lazy dog.',
text.truncate_words(u'The quick brown fox jumped over the lazy dog.', 10))
self.assertEqual(u'The quick brown fox ...',
text.truncate_words('The quick brown fox jumped over the lazy dog.', 4))
self.assertEqual(u'The quick brown fox ....',
text.truncate_words('The quick brown fox jumped over the lazy dog.', 4, '....'))
self.assertEqual(u'<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 10))
self.assertEqual(u'<p><strong><em>The quick brown fox ...</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4))
self.assertEqual(u'<p><strong><em>The quick brown fox ....</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4, '....'))
self.assertEqual(u'<p><strong><em>The quick brown fox</em></strong></p>',
text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4, None))