django/tests/forms_tests/field_tests/test_emailfield.py

76 lines
2.9 KiB
Python

from django.core.exceptions import ValidationError
from django.forms import EmailField
from django.test import SimpleTestCase
from . import FormFieldAssertionsMixin
class EmailFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
def test_emailfield_1(self):
f = EmailField()
self.assertWidgetRendersTo(
f, '<input type="email" 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("person@example.com", f.clean("person@example.com"))
with self.assertRaisesMessage(
ValidationError, "'Enter a valid email address.'"
):
f.clean("foo")
self.assertEqual(
"local@domain.with.idn.xyz\xe4\xf6\xfc\xdfabc.part.com",
f.clean("local@domain.with.idn.xyzäöüßabc.part.com"),
)
def test_email_regexp_for_performance(self):
f = EmailField()
# Check for runaway regex security problem. This will take a long time
# if the security fix isn't in place.
addr = "viewx3dtextx26qx3d@yahoo.comx26latlngx3d15854521645943074058"
self.assertEqual(addr, f.clean(addr))
def test_emailfield_not_required(self):
f = EmailField(required=False)
self.assertEqual("", f.clean(""))
self.assertEqual("", f.clean(None))
self.assertEqual("person@example.com", f.clean("person@example.com"))
self.assertEqual(
"example@example.com", f.clean(" example@example.com \t \t ")
)
with self.assertRaisesMessage(
ValidationError, "'Enter a valid email address.'"
):
f.clean("foo")
def test_emailfield_min_max_length(self):
f = EmailField(min_length=10, max_length=15)
self.assertWidgetRendersTo(
f,
'<input id="id_f" type="email" name="f" maxlength="15" minlength="10" '
"required>",
)
with self.assertRaisesMessage(
ValidationError,
"'Ensure this value has at least 10 characters (it has 9).'",
):
f.clean("a@foo.com")
self.assertEqual("alf@foo.com", f.clean("alf@foo.com"))
with self.assertRaisesMessage(
ValidationError,
"'Ensure this value has at most 15 characters (it has 20).'",
):
f.clean("alf123456788@foo.com")
def test_emailfield_strip_on_none_value(self):
f = EmailField(required=False, empty_value=None)
self.assertIsNone(f.clean(""))
self.assertIsNone(f.clean(None))
def test_emailfield_unable_to_set_strip_kwarg(self):
msg = "__init__() got multiple values for keyword argument 'strip'"
with self.assertRaisesMessage(TypeError, msg):
EmailField(strip=False)