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Refs #33476 -- Reformatted code with Black.

This commit is contained in:
django-bot
2022-02-03 20:24:19 +01:00
committed by Mariusz Felisiak
parent f68fa8b45d
commit 9c19aff7c7
1992 changed files with 139577 additions and 96284 deletions

View File

@@ -19,44 +19,50 @@ from .tests import AdminDocsTestCase, TestDataMixin
@unittest.skipUnless(utils.docutils_is_available, "no docutils installed.")
class AdminDocViewTests(TestDataMixin, AdminDocsTestCase):
def setUp(self):
self.client.force_login(self.superuser)
def test_index(self):
response = self.client.get(reverse('django-admindocs-docroot'))
self.assertContains(response, '<h1>Documentation</h1>', html=True)
self.assertContains(response, '<h1 id="site-name"><a href="/admin/">Django administration</a></h1>')
response = self.client.get(reverse("django-admindocs-docroot"))
self.assertContains(response, "<h1>Documentation</h1>", html=True)
self.assertContains(
response,
'<h1 id="site-name"><a href="/admin/">Django administration</a></h1>',
)
self.client.logout()
response = self.client.get(reverse('django-admindocs-docroot'), follow=True)
response = self.client.get(reverse("django-admindocs-docroot"), follow=True)
# Should display the login screen
self.assertContains(response, '<input type="hidden" name="next" value="/admindocs/">', html=True)
self.assertContains(
response, '<input type="hidden" name="next" value="/admindocs/">', html=True
)
def test_bookmarklets(self):
response = self.client.get(reverse('django-admindocs-bookmarklets'))
self.assertContains(response, '/admindocs/views/')
response = self.client.get(reverse("django-admindocs-bookmarklets"))
self.assertContains(response, "/admindocs/views/")
def test_templatetag_index(self):
response = self.client.get(reverse('django-admindocs-tags'))
self.assertContains(response, '<h3 id="built_in-extends">extends</h3>', html=True)
response = self.client.get(reverse("django-admindocs-tags"))
self.assertContains(
response, '<h3 id="built_in-extends">extends</h3>', html=True
)
def test_templatefilter_index(self):
response = self.client.get(reverse('django-admindocs-filters'))
response = self.client.get(reverse("django-admindocs-filters"))
self.assertContains(response, '<h3 id="built_in-first">first</h3>', html=True)
def test_view_index(self):
response = self.client.get(reverse('django-admindocs-views-index'))
response = self.client.get(reverse("django-admindocs-views-index"))
self.assertContains(
response,
'<h3><a href="/admindocs/views/django.contrib.admindocs.views.BaseAdminDocsView/">/admindocs/</a></h3>',
html=True
html=True,
)
self.assertContains(response, 'Views by namespace test')
self.assertContains(response, 'Name: <code>test:func</code>.')
self.assertContains(response, "Views by namespace test")
self.assertContains(response, "Name: <code>test:func</code>.")
self.assertContains(
response,
'<h3><a href="/admindocs/views/admin_docs.views.XViewCallableObject/">'
'/xview/callable_object_without_xview/</a></h3>',
"/xview/callable_object_without_xview/</a></h3>",
html=True,
)
@@ -64,27 +70,35 @@ class AdminDocViewTests(TestDataMixin, AdminDocsTestCase):
"""
Views that are methods are listed correctly.
"""
response = self.client.get(reverse('django-admindocs-views-index'))
response = self.client.get(reverse("django-admindocs-views-index"))
self.assertContains(
response,
'<h3><a href="/admindocs/views/django.contrib.admin.sites.AdminSite.index/">/admin/</a></h3>',
html=True
html=True,
)
def test_view_detail(self):
url = reverse('django-admindocs-views-detail', args=['django.contrib.admindocs.views.BaseAdminDocsView'])
url = reverse(
"django-admindocs-views-detail",
args=["django.contrib.admindocs.views.BaseAdminDocsView"],
)
response = self.client.get(url)
# View docstring
self.assertContains(response, 'Base view for admindocs views.')
self.assertContains(response, "Base view for admindocs views.")
@override_settings(ROOT_URLCONF='admin_docs.namespace_urls')
@override_settings(ROOT_URLCONF="admin_docs.namespace_urls")
def test_namespaced_view_detail(self):
url = reverse('django-admindocs-views-detail', args=['admin_docs.views.XViewClass'])
url = reverse(
"django-admindocs-views-detail", args=["admin_docs.views.XViewClass"]
)
response = self.client.get(url)
self.assertContains(response, '<h1>admin_docs.views.XViewClass</h1>')
self.assertContains(response, "<h1>admin_docs.views.XViewClass</h1>")
def test_view_detail_illegal_import(self):
url = reverse('django-admindocs-views-detail', args=['urlpatterns_reverse.nonimported_module.view'])
url = reverse(
"django-admindocs-views-detail",
args=["urlpatterns_reverse.nonimported_module.view"],
)
response = self.client.get(url)
self.assertEqual(response.status_code, 404)
self.assertNotIn("urlpatterns_reverse.nonimported_module", sys.modules)
@@ -93,41 +107,55 @@ class AdminDocViewTests(TestDataMixin, AdminDocsTestCase):
"""
Views that are methods can be displayed.
"""
url = reverse('django-admindocs-views-detail', args=['django.contrib.admin.sites.AdminSite.index'])
url = reverse(
"django-admindocs-views-detail",
args=["django.contrib.admin.sites.AdminSite.index"],
)
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
def test_model_index(self):
response = self.client.get(reverse('django-admindocs-models-index'))
response = self.client.get(reverse("django-admindocs-models-index"))
self.assertContains(
response,
'<h2 id="app-auth">Authentication and Authorization (django.contrib.auth)</h2>',
html=True
html=True,
)
def test_template_detail(self):
response = self.client.get(reverse('django-admindocs-templates', args=['admin_doc/template_detail.html']))
self.assertContains(response, '<h1>Template: <q>admin_doc/template_detail.html</q></h1>', html=True)
response = self.client.get(
reverse(
"django-admindocs-templates", args=["admin_doc/template_detail.html"]
)
)
self.assertContains(
response,
"<h1>Template: <q>admin_doc/template_detail.html</q></h1>",
html=True,
)
def test_missing_docutils(self):
utils.docutils_is_available = False
try:
response = self.client.get(reverse('django-admindocs-docroot'))
response = self.client.get(reverse("django-admindocs-docroot"))
self.assertContains(
response,
'<h3>The admin documentation system requires Pythons '
"<h3>The admin documentation system requires Pythons "
'<a href="https://docutils.sourceforge.io/">docutils</a> '
'library.</h3>'
'<p>Please ask your administrators to install '
"library.</h3>"
"<p>Please ask your administrators to install "
'<a href="https://docutils.sourceforge.io/">docutils</a>.</p>',
html=True
html=True,
)
self.assertContains(
response,
'<h1 id="site-name"><a href="/admin/">Django administration</a></h1>',
)
self.assertContains(response, '<h1 id="site-name"><a href="/admin/">Django administration</a></h1>')
finally:
utils.docutils_is_available = True
@modify_settings(INSTALLED_APPS={'remove': 'django.contrib.sites'})
@override_settings(SITE_ID=None) # will restore SITE_ID after the test
@modify_settings(INSTALLED_APPS={"remove": "django.contrib.sites"})
@override_settings(SITE_ID=None) # will restore SITE_ID after the test
def test_no_sites_framework(self):
"""
Without the sites framework, should not access SITE_ID or Site
@@ -135,73 +163,78 @@ class AdminDocViewTests(TestDataMixin, AdminDocsTestCase):
"""
Site.objects.all().delete()
del settings.SITE_ID
response = self.client.get(reverse('django-admindocs-views-index'))
self.assertContains(response, 'View documentation')
response = self.client.get(reverse("django-admindocs-views-index"))
self.assertContains(response, "View documentation")
def test_callable_urlconf(self):
"""
Index view should correctly resolve view patterns when ROOT_URLCONF is
not a string.
"""
def urlpatterns():
return (
path('admin/doc/', include('django.contrib.admindocs.urls')),
path('admin/', admin.site.urls),
path("admin/doc/", include("django.contrib.admindocs.urls")),
path("admin/", admin.site.urls),
)
with self.settings(ROOT_URLCONF=SimpleLazyObject(urlpatterns)):
response = self.client.get(reverse('django-admindocs-views-index'))
response = self.client.get(reverse("django-admindocs-views-index"))
self.assertEqual(response.status_code, 200)
@unittest.skipUnless(utils.docutils_is_available, 'no docutils installed.')
@unittest.skipUnless(utils.docutils_is_available, "no docutils installed.")
class AdminDocViewDefaultEngineOnly(TestDataMixin, AdminDocsTestCase):
def setUp(self):
self.client.force_login(self.superuser)
def test_template_detail_path_traversal(self):
cases = ['/etc/passwd', '../passwd']
cases = ["/etc/passwd", "../passwd"]
for fpath in cases:
with self.subTest(path=fpath):
response = self.client.get(
reverse('django-admindocs-templates', args=[fpath]),
reverse("django-admindocs-templates", args=[fpath]),
)
self.assertEqual(response.status_code, 400)
@override_settings(TEMPLATES=[{
'NAME': 'ONE',
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'APP_DIRS': True,
}, {
'NAME': 'TWO',
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'APP_DIRS': True,
}])
@override_settings(
TEMPLATES=[
{
"NAME": "ONE",
"BACKEND": "django.template.backends.django.DjangoTemplates",
"APP_DIRS": True,
},
{
"NAME": "TWO",
"BACKEND": "django.template.backends.django.DjangoTemplates",
"APP_DIRS": True,
},
]
)
@unittest.skipUnless(utils.docutils_is_available, "no docutils installed.")
class AdminDocViewWithMultipleEngines(AdminDocViewTests):
def test_templatefilter_index(self):
# Overridden because non-trivial TEMPLATES settings aren't supported
# but the page shouldn't crash (#24125).
response = self.client.get(reverse('django-admindocs-filters'))
self.assertContains(response, '<title>Template filters</title>', html=True)
response = self.client.get(reverse("django-admindocs-filters"))
self.assertContains(response, "<title>Template filters</title>", html=True)
def test_templatetag_index(self):
# Overridden because non-trivial TEMPLATES settings aren't supported
# but the page shouldn't crash (#24125).
response = self.client.get(reverse('django-admindocs-tags'))
self.assertContains(response, '<title>Template tags</title>', html=True)
response = self.client.get(reverse("django-admindocs-tags"))
self.assertContains(response, "<title>Template tags</title>", html=True)
@unittest.skipUnless(utils.docutils_is_available, "no docutils installed.")
class TestModelDetailView(TestDataMixin, AdminDocsTestCase):
def setUp(self):
self.client.force_login(self.superuser)
with captured_stderr() as self.docutils_stderr:
self.response = self.client.get(reverse('django-admindocs-models-detail', args=['admin_docs', 'Person']))
self.response = self.client.get(
reverse("django-admindocs-models-detail", args=["admin_docs", "Person"])
)
def test_method_excludes(self):
"""
@@ -235,42 +268,52 @@ class TestModelDetailView(TestDataMixin, AdminDocsTestCase):
"""
Methods with keyword arguments should have their arguments displayed.
"""
self.assertContains(self.response, '<td>suffix=&#x27;ltd&#x27;</td>')
self.assertContains(self.response, "<td>suffix=&#x27;ltd&#x27;</td>")
def test_methods_with_multiple_arguments_display_arguments(self):
"""
Methods with multiple arguments should have all their arguments
displayed, but omitting 'self'.
"""
self.assertContains(self.response, "<td>baz, rox, *some_args, **some_kwargs</td>")
self.assertContains(
self.response, "<td>baz, rox, *some_args, **some_kwargs</td>"
)
def test_instance_of_property_methods_are_displayed(self):
"""Model properties are displayed as fields."""
self.assertContains(self.response, '<td>a_property</td>')
self.assertContains(self.response, "<td>a_property</td>")
def test_instance_of_cached_property_methods_are_displayed(self):
"""Model cached properties are displayed as fields."""
self.assertContains(self.response, '<td>a_cached_property</td>')
self.assertContains(self.response, "<td>a_cached_property</td>")
def test_method_data_types(self):
company = Company.objects.create(name="Django")
person = Person.objects.create(first_name="Human", last_name="User", company=company)
self.assertEqual(get_return_data_type(person.get_status_count.__name__), 'Integer')
self.assertEqual(get_return_data_type(person.get_groups_list.__name__), 'List')
person = Person.objects.create(
first_name="Human", last_name="User", company=company
)
self.assertEqual(
get_return_data_type(person.get_status_count.__name__), "Integer"
)
self.assertEqual(get_return_data_type(person.get_groups_list.__name__), "List")
def test_descriptions_render_correctly(self):
"""
The ``description`` field should render correctly for each field type.
"""
# help text in fields
self.assertContains(self.response, "<td>first name - The person's first name</td>")
self.assertContains(self.response, "<td>last name - The person's last name</td>")
self.assertContains(
self.response, "<td>first name - The person's first name</td>"
)
self.assertContains(
self.response, "<td>last name - The person's last name</td>"
)
# method docstrings
self.assertContains(self.response, "<p>Get the full name of the person</p>")
link = '<a class="reference external" href="/admindocs/models/%s/">%s</a>'
markup = '<p>the related %s object</p>'
markup = "<p>the related %s object</p>"
company_markup = markup % (link % ("admin_docs.company", "admin_docs.Company"))
# foreign keys
@@ -282,18 +325,28 @@ class TestModelDetailView(TestDataMixin, AdminDocsTestCase):
# many to many fields
self.assertContains(
self.response,
"number of related %s objects" % (link % ("admin_docs.group", "admin_docs.Group"))
"number of related %s objects"
% (link % ("admin_docs.group", "admin_docs.Group")),
)
self.assertContains(
self.response,
"all related %s objects" % (link % ("admin_docs.group", "admin_docs.Group"))
"all related %s objects"
% (link % ("admin_docs.group", "admin_docs.Group")),
)
# "raw" and "include" directives are disabled
self.assertContains(self.response, '<p>&quot;raw&quot; directive disabled.</p>',)
self.assertContains(self.response, '.. raw:: html\n :file: admin_docs/evilfile.txt')
self.assertContains(self.response, '<p>&quot;include&quot; directive disabled.</p>',)
self.assertContains(self.response, '.. include:: admin_docs/evilfile.txt')
self.assertContains(
self.response,
"<p>&quot;raw&quot; directive disabled.</p>",
)
self.assertContains(
self.response, ".. raw:: html\n :file: admin_docs/evilfile.txt"
)
self.assertContains(
self.response,
"<p>&quot;include&quot; directive disabled.</p>",
)
self.assertContains(self.response, ".. include:: admin_docs/evilfile.txt")
out = self.docutils_stderr.getvalue()
self.assertIn('"raw" directive disabled', out)
self.assertIn('"include" directive disabled', out)
@@ -301,15 +354,17 @@ class TestModelDetailView(TestDataMixin, AdminDocsTestCase):
def test_model_with_many_to_one(self):
link = '<a class="reference external" href="/admindocs/models/%s/">%s</a>'
response = self.client.get(
reverse('django-admindocs-models-detail', args=['admin_docs', 'company'])
reverse("django-admindocs-models-detail", args=["admin_docs", "company"])
)
self.assertContains(
response,
"number of related %s objects" % (link % ("admin_docs.person", "admin_docs.Person"))
"number of related %s objects"
% (link % ("admin_docs.person", "admin_docs.Person")),
)
self.assertContains(
response,
"all related %s objects" % (link % ("admin_docs.person", "admin_docs.Person"))
"all related %s objects"
% (link % ("admin_docs.person", "admin_docs.Person")),
)
def test_model_with_no_backward_relations_render_only_relevant_fields(self):
@@ -317,8 +372,10 @@ class TestModelDetailView(TestDataMixin, AdminDocsTestCase):
A model with ``related_name`` of `+` shouldn't show backward
relationship links.
"""
response = self.client.get(reverse('django-admindocs-models-detail', args=['admin_docs', 'family']))
fields = response.context_data.get('fields')
response = self.client.get(
reverse("django-admindocs-models-detail", args=["admin_docs", "family"])
)
fields = response.context_data.get("fields")
self.assertEqual(len(fields), 2)
def test_model_docstring_renders_correctly(self):
@@ -326,31 +383,40 @@ class TestModelDetailView(TestDataMixin, AdminDocsTestCase):
'<h2 class="subhead"><p>Stores information about a person, related to <a class="reference external" '
'href="/admindocs/models/myapp.company/">myapp.Company</a>.</p></h2>'
)
subheading = '<p><strong>Notes</strong></p>'
subheading = "<p><strong>Notes</strong></p>"
body = '<p>Use <tt class="docutils literal">save_changes()</tt> when saving this object.</p>'
model_body = (
'<dl class="docutils"><dt><tt class="'
'docutils literal">company</tt></dt><dd>Field storing <a class="'
'reference external" href="/admindocs/models/myapp.company/">'
'myapp.Company</a> where the person works.</dd></dl>'
"myapp.Company</a> where the person works.</dd></dl>"
)
self.assertContains(self.response, 'DESCRIPTION')
self.assertContains(self.response, "DESCRIPTION")
self.assertContains(self.response, summary, html=True)
self.assertContains(self.response, subheading, html=True)
self.assertContains(self.response, body, html=True)
self.assertContains(self.response, model_body, html=True)
def test_model_detail_title(self):
self.assertContains(self.response, '<h1>admin_docs.Person</h1>', html=True)
self.assertContains(self.response, "<h1>admin_docs.Person</h1>", html=True)
def test_app_not_found(self):
response = self.client.get(reverse('django-admindocs-models-detail', args=['doesnotexist', 'Person']))
self.assertEqual(response.context['exception'], "App 'doesnotexist' not found")
response = self.client.get(
reverse("django-admindocs-models-detail", args=["doesnotexist", "Person"])
)
self.assertEqual(response.context["exception"], "App 'doesnotexist' not found")
self.assertEqual(response.status_code, 404)
def test_model_not_found(self):
response = self.client.get(reverse('django-admindocs-models-detail', args=['admin_docs', 'doesnotexist']))
self.assertEqual(response.context['exception'], "Model 'doesnotexist' not found in app 'admin_docs'")
response = self.client.get(
reverse(
"django-admindocs-models-detail", args=["admin_docs", "doesnotexist"]
)
)
self.assertEqual(
response.context["exception"],
"Model 'doesnotexist' not found in app 'admin_docs'",
)
self.assertEqual(response.status_code, 404)
@@ -370,123 +436,124 @@ class TestFieldType(unittest.TestCase):
def test_builtin_fields(self):
self.assertEqual(
views.get_readable_field_data_type(fields.BooleanField()),
'Boolean (Either True or False)'
"Boolean (Either True or False)",
)
def test_custom_fields(self):
self.assertEqual(views.get_readable_field_data_type(CustomField()), 'A custom field type')
self.assertEqual(
views.get_readable_field_data_type(CustomField()), "A custom field type"
)
self.assertEqual(
views.get_readable_field_data_type(DescriptionLackingField()),
'Field of type: DescriptionLackingField'
"Field of type: DescriptionLackingField",
)
class AdminDocViewFunctionsTests(SimpleTestCase):
def test_simplify_regex(self):
tests = (
# Named and unnamed groups.
(r'^(?P<a>\w+)/b/(?P<c>\w+)/$', '/<a>/b/<c>/'),
(r'^(?P<a>\w+)/b/(?P<c>\w+)$', '/<a>/b/<c>'),
(r'^(?P<a>\w+)/b/(?P<c>\w+)', '/<a>/b/<c>'),
(r'^(?P<a>\w+)/b/(\w+)$', '/<a>/b/<var>'),
(r'^(?P<a>\w+)/b/(\w+)', '/<a>/b/<var>'),
(r'^(?P<a>\w+)/b/((x|y)\w+)$', '/<a>/b/<var>'),
(r'^(?P<a>\w+)/b/((x|y)\w+)', '/<a>/b/<var>'),
(r'^(?P<a>(x|y))/b/(?P<c>\w+)$', '/<a>/b/<c>'),
(r'^(?P<a>(x|y))/b/(?P<c>\w+)', '/<a>/b/<c>'),
(r'^(?P<a>(x|y))/b/(?P<c>\w+)ab', '/<a>/b/<c>ab'),
(r'^(?P<a>(x|y)(\(|\)))/b/(?P<c>\w+)ab', '/<a>/b/<c>ab'),
(r"^(?P<a>\w+)/b/(?P<c>\w+)/$", "/<a>/b/<c>/"),
(r"^(?P<a>\w+)/b/(?P<c>\w+)$", "/<a>/b/<c>"),
(r"^(?P<a>\w+)/b/(?P<c>\w+)", "/<a>/b/<c>"),
(r"^(?P<a>\w+)/b/(\w+)$", "/<a>/b/<var>"),
(r"^(?P<a>\w+)/b/(\w+)", "/<a>/b/<var>"),
(r"^(?P<a>\w+)/b/((x|y)\w+)$", "/<a>/b/<var>"),
(r"^(?P<a>\w+)/b/((x|y)\w+)", "/<a>/b/<var>"),
(r"^(?P<a>(x|y))/b/(?P<c>\w+)$", "/<a>/b/<c>"),
(r"^(?P<a>(x|y))/b/(?P<c>\w+)", "/<a>/b/<c>"),
(r"^(?P<a>(x|y))/b/(?P<c>\w+)ab", "/<a>/b/<c>ab"),
(r"^(?P<a>(x|y)(\(|\)))/b/(?P<c>\w+)ab", "/<a>/b/<c>ab"),
# Non-capturing groups.
(r'^a(?:\w+)b', '/ab'),
(r'^a(?:(x|y))', '/a'),
(r'^(?:\w+(?:\w+))a', '/a'),
(r'^a(?:\w+)/b(?:\w+)', '/a/b'),
(r'(?P<a>\w+)/b/(?:\w+)c(?:\w+)', '/<a>/b/c'),
(r'(?P<a>\w+)/b/(\w+)/(?:\w+)c(?:\w+)', '/<a>/b/<var>/c'),
(r"^a(?:\w+)b", "/ab"),
(r"^a(?:(x|y))", "/a"),
(r"^(?:\w+(?:\w+))a", "/a"),
(r"^a(?:\w+)/b(?:\w+)", "/a/b"),
(r"(?P<a>\w+)/b/(?:\w+)c(?:\w+)", "/<a>/b/c"),
(r"(?P<a>\w+)/b/(\w+)/(?:\w+)c(?:\w+)", "/<a>/b/<var>/c"),
# Single and repeated metacharacters.
(r'^a', '/a'),
(r'^^a', '/a'),
(r'^^^a', '/a'),
(r'a$', '/a'),
(r'a$$', '/a'),
(r'a$$$', '/a'),
(r'a?', '/a'),
(r'a??', '/a'),
(r'a???', '/a'),
(r'a*', '/a'),
(r'a**', '/a'),
(r'a***', '/a'),
(r'a+', '/a'),
(r'a++', '/a'),
(r'a+++', '/a'),
(r'\Aa', '/a'),
(r'\A\Aa', '/a'),
(r'\A\A\Aa', '/a'),
(r'a\Z', '/a'),
(r'a\Z\Z', '/a'),
(r'a\Z\Z\Z', '/a'),
(r'\ba', '/a'),
(r'\b\ba', '/a'),
(r'\b\b\ba', '/a'),
(r'a\B', '/a'),
(r'a\B\B', '/a'),
(r'a\B\B\B', '/a'),
(r"^a", "/a"),
(r"^^a", "/a"),
(r"^^^a", "/a"),
(r"a$", "/a"),
(r"a$$", "/a"),
(r"a$$$", "/a"),
(r"a?", "/a"),
(r"a??", "/a"),
(r"a???", "/a"),
(r"a*", "/a"),
(r"a**", "/a"),
(r"a***", "/a"),
(r"a+", "/a"),
(r"a++", "/a"),
(r"a+++", "/a"),
(r"\Aa", "/a"),
(r"\A\Aa", "/a"),
(r"\A\A\Aa", "/a"),
(r"a\Z", "/a"),
(r"a\Z\Z", "/a"),
(r"a\Z\Z\Z", "/a"),
(r"\ba", "/a"),
(r"\b\ba", "/a"),
(r"\b\b\ba", "/a"),
(r"a\B", "/a"),
(r"a\B\B", "/a"),
(r"a\B\B\B", "/a"),
# Multiple mixed metacharacters.
(r'^a/?$', '/a/'),
(r'\Aa\Z', '/a'),
(r'\ba\B', '/a'),
(r"^a/?$", "/a/"),
(r"\Aa\Z", "/a"),
(r"\ba\B", "/a"),
# Escaped single metacharacters.
(r'\^a', r'/^a'),
(r'\\^a', r'/\\a'),
(r'\\\^a', r'/\\^a'),
(r'\\\\^a', r'/\\\\a'),
(r'\\\\\^a', r'/\\\\^a'),
(r'a\$', r'/a$'),
(r'a\\$', r'/a\\'),
(r'a\\\$', r'/a\\$'),
(r'a\\\\$', r'/a\\\\'),
(r'a\\\\\$', r'/a\\\\$'),
(r'a\?', r'/a?'),
(r'a\\?', r'/a\\'),
(r'a\\\?', r'/a\\?'),
(r'a\\\\?', r'/a\\\\'),
(r'a\\\\\?', r'/a\\\\?'),
(r'a\*', r'/a*'),
(r'a\\*', r'/a\\'),
(r'a\\\*', r'/a\\*'),
(r'a\\\\*', r'/a\\\\'),
(r'a\\\\\*', r'/a\\\\*'),
(r'a\+', r'/a+'),
(r'a\\+', r'/a\\'),
(r'a\\\+', r'/a\\+'),
(r'a\\\\+', r'/a\\\\'),
(r'a\\\\\+', r'/a\\\\+'),
(r'\\Aa', r'/\Aa'),
(r'\\\Aa', r'/\\a'),
(r'\\\\Aa', r'/\\\Aa'),
(r'\\\\\Aa', r'/\\\\a'),
(r'\\\\\\Aa', r'/\\\\\Aa'),
(r'a\\Z', r'/a\Z'),
(r'a\\\Z', r'/a\\'),
(r'a\\\\Z', r'/a\\\Z'),
(r'a\\\\\Z', r'/a\\\\'),
(r'a\\\\\\Z', r'/a\\\\\Z'),
(r"\^a", r"/^a"),
(r"\\^a", r"/\\a"),
(r"\\\^a", r"/\\^a"),
(r"\\\\^a", r"/\\\\a"),
(r"\\\\\^a", r"/\\\\^a"),
(r"a\$", r"/a$"),
(r"a\\$", r"/a\\"),
(r"a\\\$", r"/a\\$"),
(r"a\\\\$", r"/a\\\\"),
(r"a\\\\\$", r"/a\\\\$"),
(r"a\?", r"/a?"),
(r"a\\?", r"/a\\"),
(r"a\\\?", r"/a\\?"),
(r"a\\\\?", r"/a\\\\"),
(r"a\\\\\?", r"/a\\\\?"),
(r"a\*", r"/a*"),
(r"a\\*", r"/a\\"),
(r"a\\\*", r"/a\\*"),
(r"a\\\\*", r"/a\\\\"),
(r"a\\\\\*", r"/a\\\\*"),
(r"a\+", r"/a+"),
(r"a\\+", r"/a\\"),
(r"a\\\+", r"/a\\+"),
(r"a\\\\+", r"/a\\\\"),
(r"a\\\\\+", r"/a\\\\+"),
(r"\\Aa", r"/\Aa"),
(r"\\\Aa", r"/\\a"),
(r"\\\\Aa", r"/\\\Aa"),
(r"\\\\\Aa", r"/\\\\a"),
(r"\\\\\\Aa", r"/\\\\\Aa"),
(r"a\\Z", r"/a\Z"),
(r"a\\\Z", r"/a\\"),
(r"a\\\\Z", r"/a\\\Z"),
(r"a\\\\\Z", r"/a\\\\"),
(r"a\\\\\\Z", r"/a\\\\\Z"),
# Escaped mixed metacharacters.
(r'^a\?$', r'/a?'),
(r'^a\\?$', r'/a\\'),
(r'^a\\\?$', r'/a\\?'),
(r'^a\\\\?$', r'/a\\\\'),
(r'^a\\\\\?$', r'/a\\\\?'),
(r"^a\?$", r"/a?"),
(r"^a\\?$", r"/a\\"),
(r"^a\\\?$", r"/a\\?"),
(r"^a\\\\?$", r"/a\\\\"),
(r"^a\\\\\?$", r"/a\\\\?"),
# Adjacent escaped metacharacters.
(r'^a\?\$', r'/a?$'),
(r'^a\\?\\$', r'/a\\\\'),
(r'^a\\\?\\\$', r'/a\\?\\$'),
(r'^a\\\\?\\\\$', r'/a\\\\\\\\'),
(r'^a\\\\\?\\\\\$', r'/a\\\\?\\\\$'),
(r"^a\?\$", r"/a?$"),
(r"^a\\?\\$", r"/a\\\\"),
(r"^a\\\?\\\$", r"/a\\?\\$"),
(r"^a\\\\?\\\\$", r"/a\\\\\\\\"),
(r"^a\\\\\?\\\\\$", r"/a\\\\?\\\\$"),
# Complex examples with metacharacters and (un)named groups.
(r'^\b(?P<slug>\w+)\B/(\w+)?', '/<slug>/<var>'),
(r'^\A(?P<slug>\w+)\Z', '/<slug>'),
(r"^\b(?P<slug>\w+)\B/(\w+)?", "/<slug>/<var>"),
(r"^\A(?P<slug>\w+)\Z", "/<slug>"),
)
for pattern, output in tests:
with self.subTest(pattern=pattern):