django1/tests/admin_docs/test_views.py

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import sys
import unittest
from django.conf import settings
from django.contrib import admin
from django.contrib.admindocs import utils, views
from django.contrib.admindocs.views import get_return_data_type, simplify_regex
from django.contrib.sites.models import Site
from django.db import models
from django.db.models import fields
from django.test import SimpleTestCase, modify_settings, override_settings
from django.test.utils import captured_stderr
from django.urls import include, path, reverse
from django.utils.functional import SimpleLazyObject
from .models import Company, Person
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>')
self.client.logout()
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)
def test_bookmarklets(self):
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)
def test_templatefilter_index(self):
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'))
self.assertContains(
response,
'<h3><a href="/admindocs/views/django.contrib.admindocs.views.BaseAdminDocsView/">/admindocs/</a></h3>',
html=True
)
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>',
html=True,
)
def test_view_index_with_method(self):
"""
Views that are methods are listed correctly.
"""
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
)
def test_view_detail(self):
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.')
@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'])
response = self.client.get(url)
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'])
response = self.client.get(url)
self.assertEqual(response.status_code, 404)
self.assertNotIn("urlpatterns_reverse.nonimported_module", sys.modules)
def test_view_detail_as_method(self):
"""
Views that are methods can be displayed.
"""
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'))
self.assertContains(
response,
'<h2 id="app-auth">Authentication and Authorization (django.contrib.auth)</h2>',
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)
def test_missing_docutils(self):
utils.docutils_is_available = False
try:
response = self.client.get(reverse('django-admindocs-docroot'))
self.assertContains(
response,
'<h3>The admin documentation system requires Pythons '
'<a href="https://docutils.sourceforge.io/">docutils</a> '
'library.</h3>'
'<p>Please ask your administrators to install '
'<a href="https://docutils.sourceforge.io/">docutils</a>.</p>',
html=True
)
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
def test_no_sites_framework(self):
"""
Without the sites framework, should not access SITE_ID or Site
objects. Deleting settings is fine here as UserSettingsHolder is used.
"""
Site.objects.all().delete()
del settings.SITE_ID
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),
)
with self.settings(ROOT_URLCONF=SimpleLazyObject(urlpatterns)):
response = self.client.get(reverse('django-admindocs-views-index'))
self.assertEqual(response.status_code, 200)
@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']
for fpath in cases:
with self.subTest(path=fpath):
response = self.client.get(
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,
}])
@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)
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)
@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']))
def test_method_excludes(self):
"""
Methods that begin with strings defined in
``django.contrib.admindocs.views.MODEL_METHODS_EXCLUDE``
shouldn't be displayed in the admin docs.
"""
self.assertContains(self.response, "<td>get_full_name</td>")
self.assertNotContains(self.response, "<td>_get_full_name</td>")
self.assertNotContains(self.response, "<td>add_image</td>")
self.assertNotContains(self.response, "<td>delete_image</td>")
self.assertNotContains(self.response, "<td>set_status</td>")
self.assertNotContains(self.response, "<td>save_changes</td>")
def test_methods_with_arguments(self):
"""
Methods that take arguments should also displayed.
"""
self.assertContains(self.response, "<h3>Methods with arguments</h3>")
self.assertContains(self.response, "<td>rename_company</td>")
self.assertContains(self.response, "<td>dummy_function</td>")
self.assertContains(self.response, "<td>suffix_company_name</td>")
def test_methods_with_arguments_display_arguments(self):
"""
Methods with arguments should have their arguments displayed.
"""
self.assertContains(self.response, "<td>new_name</td>")
def test_methods_with_arguments_display_arguments_default_value(self):
"""
Methods with keyword arguments should have their arguments displayed.
"""
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>")
def test_instance_of_property_methods_are_displayed(self):
"""Model properties are displayed as fields."""
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>')
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')
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>")
# 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>'
company_markup = markup % (link % ("admin_docs.company", "admin_docs.Company"))
# foreign keys
self.assertContains(self.response, company_markup)
# foreign keys with help text
self.assertContains(self.response, "%s\n - place of work" % company_markup)
# many to many fields
self.assertContains(
self.response,
"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"))
)
# "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')
out = self.docutils_stderr.getvalue()
self.assertIn('"raw" directive disabled', out)
self.assertIn('"include" directive disabled', out)
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'])
)
self.assertContains(
response,
"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"))
)
def test_model_with_no_backward_relations_render_only_relevant_fields(self):
"""
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')
self.assertEqual(len(fields), 2)
def test_model_docstring_renders_correctly(self):
summary = (
'<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>'
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>'
)
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)
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")
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'")
self.assertEqual(response.status_code, 404)
class CustomField(models.Field):
description = "A custom field type"
class DescriptionLackingField(models.Field):
pass
class TestFieldType(unittest.TestCase):
def test_field_name(self):
with self.assertRaises(AttributeError):
views.get_readable_field_data_type("NotAField")
def test_builtin_fields(self):
self.assertEqual(
views.get_readable_field_data_type(fields.BooleanField()),
'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(DescriptionLackingField()),
'Field of type: DescriptionLackingField'
)
class AdminDocViewFunctionsTests(SimpleTestCase):
def test_simplify_regex(self):
tests = (
(r'^a', '/a'),
(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'^a/?$', '/a/'),
)
for pattern, output in tests:
with self.subTest(pattern=pattern):
self.assertEqual(simplify_regex(pattern), output)