145 lines
5.9 KiB
Python
145 lines
5.9 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import copy
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from django.core.exceptions import ValidationError
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from django.forms.utils import ErrorDict, ErrorList, flatatt
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from django.test import SimpleTestCase
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from django.utils import six
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from django.utils.encoding import force_text, python_2_unicode_compatible
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy
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class FormsUtilsTestCase(SimpleTestCase):
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# Tests for forms/utils.py module.
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def test_flatatt(self):
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###########
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# flatatt #
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###########
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self.assertEqual(flatatt({'id': "header"}), ' id="header"')
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self.assertEqual(flatatt({'class': "news", 'title': "Read this"}), ' class="news" title="Read this"')
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self.assertEqual(flatatt({'class': "news", 'title': "Read this", 'required': "required"}), ' class="news" required="required" title="Read this"')
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self.assertEqual(flatatt({'class': "news", 'title': "Read this", 'required': True}), ' class="news" title="Read this" required')
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self.assertEqual(flatatt({'class': "news", 'title': "Read this", 'required': False}), ' class="news" title="Read this"')
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self.assertEqual(flatatt({}), '')
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def test_flatatt_no_side_effects(self):
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"""
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Fixes #23883 -- Check that flatatt does not modify the dict passed in
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"""
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attrs = {'foo': 'bar', 'true': True, 'false': False}
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attrs_copy = copy.copy(attrs)
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self.assertEqual(attrs, attrs_copy)
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first_run = flatatt(attrs)
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self.assertEqual(attrs, attrs_copy)
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self.assertEqual(first_run, ' foo="bar" true')
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second_run = flatatt(attrs)
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self.assertEqual(attrs, attrs_copy)
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self.assertEqual(first_run, second_run)
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def test_validation_error(self):
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###################
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# ValidationError #
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###################
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# Can take a string.
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self.assertHTMLEqual(str(ErrorList(ValidationError("There was an error.").messages)),
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'<ul class="errorlist"><li>There was an error.</li></ul>')
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# Can take a unicode string.
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self.assertHTMLEqual(six.text_type(ErrorList(ValidationError("Not \u03C0.").messages)),
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'<ul class="errorlist"><li>Not π.</li></ul>')
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# Can take a lazy string.
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self.assertHTMLEqual(str(ErrorList(ValidationError(ugettext_lazy("Error.")).messages)),
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'<ul class="errorlist"><li>Error.</li></ul>')
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# Can take a list.
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self.assertHTMLEqual(str(ErrorList(ValidationError(["Error one.", "Error two."]).messages)),
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'<ul class="errorlist"><li>Error one.</li><li>Error two.</li></ul>')
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# Can take a dict.
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self.assertHTMLEqual(
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str(ErrorList(sorted(ValidationError({'error_1': "1. Error one.", 'error_2': "2. Error two."}).messages))),
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'<ul class="errorlist"><li>1. Error one.</li><li>2. Error two.</li></ul>'
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)
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# Can take a mixture in a list.
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self.assertHTMLEqual(
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str(ErrorList(sorted(ValidationError([
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"1. First error.",
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"2. Not \u03C0.",
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ugettext_lazy("3. Error."),
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{
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'error_1': "4. First dict error.",
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'error_2': "5. Second dict error.",
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},
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]).messages))),
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'<ul class="errorlist">'
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'<li>1. First error.</li>'
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'<li>2. Not π.</li>'
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'<li>3. Error.</li>'
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'<li>4. First dict error.</li>'
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'<li>5. Second dict error.</li>'
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'</ul>'
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)
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@python_2_unicode_compatible
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class VeryBadError:
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def __str__(self):
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return "A very bad error."
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# Can take a non-string.
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self.assertHTMLEqual(str(ErrorList(ValidationError(VeryBadError()).messages)),
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'<ul class="errorlist"><li>A very bad error.</li></ul>')
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# Escapes non-safe input but not input marked safe.
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example = 'Example of link: <a href="http://www.example.com/">example</a>'
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self.assertHTMLEqual(str(ErrorList([example])),
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'<ul class="errorlist"><li>Example of link: <a href="http://www.example.com/">example</a></li></ul>')
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self.assertHTMLEqual(str(ErrorList([mark_safe(example)])),
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'<ul class="errorlist"><li>Example of link: <a href="http://www.example.com/">example</a></li></ul>')
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self.assertHTMLEqual(str(ErrorDict({'name': example})),
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'<ul class="errorlist"><li>nameExample of link: <a href="http://www.example.com/">example</a></li></ul>')
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self.assertHTMLEqual(str(ErrorDict({'name': mark_safe(example)})),
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'<ul class="errorlist"><li>nameExample of link: <a href="http://www.example.com/">example</a></li></ul>')
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def test_error_dict_copy(self):
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e = ErrorDict()
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e['__all__'] = ErrorList([
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ValidationError(
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message='message %(i)s',
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params={'i': 1},
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),
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ValidationError(
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message='message %(i)s',
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params={'i': 2},
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),
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])
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e_copy = copy.copy(e)
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self.assertEqual(e, e_copy)
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self.assertEqual(e.as_data(), e_copy.as_data())
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e_deepcopy = copy.deepcopy(e)
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self.assertEqual(e, e_deepcopy)
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self.assertEqual(e.as_data(), e_copy.as_data())
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def test_error_dict_html_safe(self):
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e = ErrorDict()
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e['username'] = 'Invalid username.'
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self.assertTrue(hasattr(ErrorDict, '__html__'))
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self.assertEqual(force_text(e), e.__html__())
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def test_error_list_html_safe(self):
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e = ErrorList(['Invalid username.'])
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self.assertTrue(hasattr(ErrorList, '__html__'))
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self.assertEqual(force_text(e), e.__html__())
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