django1/tests/forms_tests/field_tests/test_integerfield.py

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from django.forms import IntegerField, Textarea, ValidationError
from django.test import SimpleTestCase
from . import FormFieldAssertionsMixin
class IntegerFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
def test_integerfield_1(self):
f = IntegerField()
self.assertWidgetRendersTo(f, '<input type="number" name="f" id="id_f" required>')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean('')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(None)
self.assertEqual(1, f.clean('1'))
self.assertIsInstance(f.clean('1'), int)
self.assertEqual(23, f.clean('23'))
with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):
f.clean('a')
self.assertEqual(42, f.clean(42))
with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):
f.clean(3.14)
self.assertEqual(1, f.clean('1 '))
self.assertEqual(1, f.clean(' 1'))
self.assertEqual(1, f.clean(' 1 '))
with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):
f.clean('1a')
self.assertIsNone(f.max_value)
self.assertIsNone(f.min_value)
def test_integerfield_2(self):
f = IntegerField(required=False)
self.assertIsNone(f.clean(''))
self.assertEqual('None', repr(f.clean('')))
self.assertIsNone(f.clean(None))
self.assertEqual('None', repr(f.clean(None)))
self.assertEqual(1, f.clean('1'))
self.assertIsInstance(f.clean('1'), int)
self.assertEqual(23, f.clean('23'))
with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):
f.clean('a')
self.assertEqual(1, f.clean('1 '))
self.assertEqual(1, f.clean(' 1'))
self.assertEqual(1, f.clean(' 1 '))
with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):
f.clean('1a')
self.assertIsNone(f.max_value)
self.assertIsNone(f.min_value)
def test_integerfield_3(self):
f = IntegerField(max_value=10)
self.assertWidgetRendersTo(f, '<input max="10" type="number" name="f" id="id_f" required>')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(None)
self.assertEqual(1, f.clean(1))
self.assertEqual(10, f.clean(10))
with self.assertRaisesMessage(ValidationError, "'Ensure this value is less than or equal to 10.'"):
f.clean(11)
self.assertEqual(10, f.clean('10'))
with self.assertRaisesMessage(ValidationError, "'Ensure this value is less than or equal to 10.'"):
f.clean('11')
self.assertEqual(f.max_value, 10)
self.assertIsNone(f.min_value)
def test_integerfield_4(self):
f = IntegerField(min_value=10)
self.assertWidgetRendersTo(f, '<input id="id_f" type="number" name="f" min="10" required>')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(None)
with self.assertRaisesMessage(ValidationError, "'Ensure this value is greater than or equal to 10.'"):
f.clean(1)
self.assertEqual(10, f.clean(10))
self.assertEqual(11, f.clean(11))
self.assertEqual(10, f.clean('10'))
self.assertEqual(11, f.clean('11'))
self.assertIsNone(f.max_value)
self.assertEqual(f.min_value, 10)
def test_integerfield_5(self):
f = IntegerField(min_value=10, max_value=20)
self.assertWidgetRendersTo(f, '<input id="id_f" max="20" type="number" name="f" min="10" required>')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(None)
with self.assertRaisesMessage(ValidationError, "'Ensure this value is greater than or equal to 10.'"):
f.clean(1)
self.assertEqual(10, f.clean(10))
self.assertEqual(11, f.clean(11))
self.assertEqual(10, f.clean('10'))
self.assertEqual(11, f.clean('11'))
self.assertEqual(20, f.clean(20))
with self.assertRaisesMessage(ValidationError, "'Ensure this value is less than or equal to 20.'"):
f.clean(21)
self.assertEqual(f.max_value, 20)
self.assertEqual(f.min_value, 10)
def test_integerfield_localized(self):
"""
A localized IntegerField's widget renders to a text input without any
number input specific attributes.
"""
f1 = IntegerField(localize=True)
self.assertWidgetRendersTo(f1, '<input id="id_f" name="f" type="text" required>')
def test_integerfield_float(self):
f = IntegerField()
self.assertEqual(1, f.clean(1.0))
self.assertEqual(1, f.clean('1.0'))
self.assertEqual(1, f.clean(' 1.0 '))
self.assertEqual(1, f.clean('1.'))
self.assertEqual(1, f.clean(' 1. '))
with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):
f.clean('1.5')
with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):
f.clean('')
def test_integerfield_big_num(self):
f = IntegerField()
self.assertEqual(9223372036854775808, f.clean(9223372036854775808))
self.assertEqual(9223372036854775808, f.clean('9223372036854775808'))
self.assertEqual(9223372036854775808, f.clean('9223372036854775808.0'))
def test_integerfield_unicode_number(self):
f = IntegerField()
self.assertEqual(50, f.clean(''))
def test_integerfield_subclass(self):
"""
Class-defined widget is not overwritten by __init__() (#22245).
"""
class MyIntegerField(IntegerField):
widget = Textarea
f = MyIntegerField()
self.assertEqual(f.widget.__class__, Textarea)
f = MyIntegerField(localize=True)
self.assertEqual(f.widget.__class__, Textarea)