123 lines
5.0 KiB
Python
123 lines
5.0 KiB
Python
from __future__ import unicode_literals
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from django.forms import (
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CharField, PasswordInput, Textarea, TextInput, ValidationError,
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)
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from django.test import SimpleTestCase
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from . import FormFieldAssertionsMixin
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class CharFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
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def test_charfield_1(self):
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f = CharField()
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self.assertEqual('1', f.clean(1))
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self.assertEqual('hello', f.clean('hello'))
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with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
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f.clean(None)
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with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
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f.clean('')
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self.assertEqual('[1, 2, 3]', f.clean([1, 2, 3]))
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self.assertIsNone(f.max_length)
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self.assertIsNone(f.min_length)
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def test_charfield_2(self):
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f = CharField(required=False)
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self.assertEqual('1', f.clean(1))
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self.assertEqual('hello', f.clean('hello'))
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self.assertEqual('', f.clean(None))
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self.assertEqual('', f.clean(''))
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self.assertEqual('[1, 2, 3]', f.clean([1, 2, 3]))
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self.assertIsNone(f.max_length)
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self.assertIsNone(f.min_length)
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def test_charfield_3(self):
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f = CharField(max_length=10, required=False)
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self.assertEqual('12345', f.clean('12345'))
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self.assertEqual('1234567890', f.clean('1234567890'))
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msg = "'Ensure this value has at most 10 characters (it has 11).'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('1234567890a')
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self.assertEqual(f.max_length, 10)
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self.assertIsNone(f.min_length)
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def test_charfield_4(self):
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f = CharField(min_length=10, required=False)
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self.assertEqual('', f.clean(''))
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msg = "'Ensure this value has at least 10 characters (it has 5).'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('12345')
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self.assertEqual('1234567890', f.clean('1234567890'))
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self.assertEqual('1234567890a', f.clean('1234567890a'))
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self.assertIsNone(f.max_length)
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self.assertEqual(f.min_length, 10)
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def test_charfield_5(self):
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f = CharField(min_length=10, required=True)
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with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
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f.clean('')
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msg = "'Ensure this value has at least 10 characters (it has 5).'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('12345')
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self.assertEqual('1234567890', f.clean('1234567890'))
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self.assertEqual('1234567890a', f.clean('1234567890a'))
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self.assertIsNone(f.max_length)
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self.assertEqual(f.min_length, 10)
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def test_charfield_length_not_int(self):
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"""
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Setting min_length or max_length to something that is not a number
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raises an exception.
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"""
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with self.assertRaises(ValueError):
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CharField(min_length='a')
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with self.assertRaises(ValueError):
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CharField(max_length='a')
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with self.assertRaises(ValueError):
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CharField('a')
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def test_charfield_widget_attrs(self):
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"""
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CharField.widget_attrs() always returns a dictionary (#15912).
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"""
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# Return an empty dictionary if max_length and min_length are both None.
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f = CharField()
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self.assertEqual(f.widget_attrs(TextInput()), {})
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self.assertEqual(f.widget_attrs(Textarea()), {})
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# Return a maxlength attribute equal to max_length.
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f = CharField(max_length=10)
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self.assertEqual(f.widget_attrs(TextInput()), {'maxlength': '10'})
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self.assertEqual(f.widget_attrs(PasswordInput()), {'maxlength': '10'})
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self.assertEqual(f.widget_attrs(Textarea()), {'maxlength': '10'})
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# Return a minlength attribute equal to min_length.
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f = CharField(min_length=5)
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self.assertEqual(f.widget_attrs(TextInput()), {'minlength': '5'})
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self.assertEqual(f.widget_attrs(PasswordInput()), {'minlength': '5'})
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self.assertEqual(f.widget_attrs(Textarea()), {'minlength': '5'})
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# Return both maxlength and minlength when both max_length and
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# min_length are set.
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f = CharField(max_length=10, min_length=5)
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self.assertEqual(f.widget_attrs(TextInput()), {'maxlength': '10', 'minlength': '5'})
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self.assertEqual(f.widget_attrs(PasswordInput()), {'maxlength': '10', 'minlength': '5'})
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self.assertEqual(f.widget_attrs(Textarea()), {'maxlength': '10', 'minlength': '5'})
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def test_charfield_strip(self):
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"""
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Values have whitespace stripped but not if strip=False.
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"""
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f = CharField()
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self.assertEqual(f.clean(' 1'), '1')
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self.assertEqual(f.clean('1 '), '1')
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f = CharField(strip=False)
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self.assertEqual(f.clean(' 1'), ' 1')
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self.assertEqual(f.clean('1 '), '1 ')
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def test_charfield_disabled(self):
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f = CharField(disabled=True)
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self.assertWidgetRendersTo(f, '<input type="text" name="f" id="id_f" disabled required />')
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