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from django.shortcuts import resolve_url
from django.test import SimpleTestCase, override_settings
from django.urls import NoReverseMatch, reverse_lazy
from .models import UnimportantThing
from .urls import some_view
@override_settings(ROOT_URLCONF="resolve_url.urls")
class ResolveUrlTests(SimpleTestCase):
"""
Tests for the resolve_url() function.
"""
def test_url_path(self):
"""
Passing a URL path to resolve_url() results in the same url.
"""
self.assertEqual("/something/", resolve_url("/something/"))
def test_relative_path(self):
"""
Passing a relative URL path to resolve_url() results in the same url.
"""
self.assertEqual("../", resolve_url("../"))
self.assertEqual("../relative/", resolve_url("../relative/"))
self.assertEqual("./", resolve_url("./"))
self.assertEqual("./relative/", resolve_url("./relative/"))
def test_full_url(self):
"""
Passing a full URL to resolve_url() results in the same url.
"""
url = "http://example.com/"
self.assertEqual(url, resolve_url(url))
def test_model(self):
"""
Passing a model to resolve_url() results in get_absolute_url() being
called on that model instance.
"""
m = UnimportantThing(importance=1)
self.assertEqual(m.get_absolute_url(), resolve_url(m))
def test_view_function(self):
"""
Passing a view function to resolve_url() results in the URL path
mapping to that view name.
"""
resolved_url = resolve_url(some_view)
self.assertEqual("/some-url/", resolved_url)
def test_lazy_reverse(self):
"""
Passing the result of reverse_lazy is resolved to a real URL
string.
"""
resolved_url = resolve_url(reverse_lazy("some-view"))
self.assertIsInstance(resolved_url, str)
self.assertEqual("/some-url/", resolved_url)
def test_valid_view_name(self):
"""
Passing a view name to resolve_url() results in the URL path mapping
to that view.
"""
resolved_url = resolve_url("some-view")
self.assertEqual("/some-url/", resolved_url)
def test_domain(self):
"""
Passing a domain to resolve_url() returns the same domain.
"""
self.assertEqual(resolve_url("example.com"), "example.com")
def test_non_view_callable_raises_no_reverse_match(self):
"""
Passing a non-view callable into resolve_url() raises a
NoReverseMatch exception.
"""
with self.assertRaises(NoReverseMatch):
resolve_url(lambda: "asdf")
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