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from django.core.exceptions import ValidationError
from django.forms import URLField
from django.test import SimpleTestCase
from . import FormFieldAssertionsMixin
class URLFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
def test_urlfield_widget(self):
f = URLField()
self.assertWidgetRendersTo(f, '<input type="url" name="f" id="id_f" required>')
def test_urlfield_widget_max_min_length(self):
f = URLField(min_length=15, max_length=20)
self.assertEqual("http://example.com", f.clean("http://example.com"))
self.assertWidgetRendersTo(
f,
'<input id="id_f" type="url" name="f" maxlength="20" '
'minlength="15" required>',
)
msg = "'Ensure this value has at least 15 characters (it has 12).'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean("http://f.com")
msg = "'Ensure this value has at most 20 characters (it has 37).'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean("http://abcdefghijklmnopqrstuvwxyz.com")
def test_urlfield_clean(self):
f = URLField(required=False)
tests = [
("http://localhost", "http://localhost"),
("http://example.com", "http://example.com"),
("http://example.com/test", "http://example.com/test"),
("http://example.com.", "http://example.com."),
("http://www.example.com", "http://www.example.com"),
("http://www.example.com:8000/test", "http://www.example.com:8000/test"),
(
"http://example.com?some_param=some_value",
"http://example.com?some_param=some_value",
),
("valid-with-hyphens.com", "http://valid-with-hyphens.com"),
("subdomain.domain.com", "http://subdomain.domain.com"),
("http://200.8.9.10", "http://200.8.9.10"),
("http://200.8.9.10:8000/test", "http://200.8.9.10:8000/test"),
("http://valid-----hyphens.com", "http://valid-----hyphens.com"),
(
"http://some.idn.xyzäöüßabc.domain.com:123/blah",
"http://some.idn.xyz\xe4\xf6\xfc\xdfabc.domain.com:123/blah",
),
(
"www.example.com/s/http://code.djangoproject.com/ticket/13804",
"http://www.example.com/s/http://code.djangoproject.com/ticket/13804",
),
# Normalization.
("http://example.com/ ", "http://example.com/"),
# Valid IDN.
("http://עברית.idn.icann.org/", "http://עברית.idn.icann.org/"),
("http://sãopaulo.com/", "http://sãopaulo.com/"),
("http://sãopaulo.com.br/", "http://sãopaulo.com.br/"),
("http://пример.испытание/", "http://пример.испытание/"),
("http://مثال.إختبار/", "http://مثال.إختبار/"),
("http://例子.测试/", "http://例子.测试/"),
("http://例子.測試/", "http://例子.測試/"),
(
"http://उदाहरण.परीक्षा/",
"http://उदाहरण.परीक्षा/",
),
("http://例え.テスト/", "http://例え.テスト/"),
("http://مثال.آزمایشی/", "http://مثال.آزمایشی/"),
("http://실례.테스트/", "http://실례.테스트/"),
("http://العربية.idn.icann.org/", "http://العربية.idn.icann.org/"),
# IPv6.
("http://[12:34::3a53]/", "http://[12:34::3a53]/"),
("http://[a34:9238::]:8080/", "http://[a34:9238::]:8080/"),
]
for url, expected in tests:
with self.subTest(url=url):
self.assertEqual(f.clean(url), expected)
def test_urlfield_clean_invalid(self):
f = URLField()
tests = [
"foo",
"com.",
".",
"http://",
"http://example",
"http://example.",
"http://.com",
"http://invalid-.com",
"http://-invalid.com",
"http://inv-.alid-.com",
"http://inv-.-alid.com",
"[a",
"http://[a",
# Non-string.
23,
# Hangs "forever" before fixing a catastrophic backtracking,
# see #11198.
"http://%s" % ("X" * 60,),
# A second example, to make sure the problem is really addressed,
# even on domains that don't fail the domain label length check in
# the regex.
"http://%s" % ("X" * 200,),
# urlsplit() raises ValueError.
"////]@N.AN",
# Empty hostname.
"#@A.bO",
]
msg = "'Enter a valid URL.'"
for value in tests:
with self.subTest(value=value):
with self.assertRaisesMessage(ValidationError, msg):
f.clean(value)
def test_urlfield_clean_required(self):
f = URLField()
msg = "'This field is required.'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean(None)
with self.assertRaisesMessage(ValidationError, msg):
f.clean("")
def test_urlfield_clean_not_required(self):
f = URLField(required=False)
self.assertEqual(f.clean(None), "")
self.assertEqual(f.clean(""), "")
def test_urlfield_strip_on_none_value(self):
f = URLField(required=False, empty_value=None)
self.assertIsNone(f.clean(""))
self.assertIsNone(f.clean(None))
def test_urlfield_unable_to_set_strip_kwarg(self):
msg = "__init__() got multiple values for keyword argument 'strip'"
with self.assertRaisesMessage(TypeError, msg):
URLField(strip=False)
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