Refs #26015 -- Added regression test for an empty sitemap.

tests/sitemaps_tests/test_http.py

@@ -232,3 +232,11 @@ class HTTPSitemapTests(SitemapTestsBase):
 </urlset>
 """.format(self.base_url, self.i18n_model.pk)
         self.assertXMLEqual(response.content.decode('utf-8'), expected_content)
+
+    def test_sitemap_without_entries(self):
+        response = self.client.get('/sitemap-without-entries/sitemap.xml')
+        expected_content = """<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+
+</urlset>"""
+        self.assertXMLEqual(response.content.decode('utf-8'), expected_content)

tests/sitemaps_tests/urls/http.py

@@ -168,7 +168,9 @@ urlpatterns = [
     url(r'^cached/index\.xml$', cache_page(1)(views.index),
         {'sitemaps': simple_sitemaps, 'sitemap_url_name': 'cached_sitemap'}),
     url(r'^cached/sitemap-(?P<section>.+)\.xml', cache_page(1)(views.sitemap),
-        {'sitemaps': simple_sitemaps}, name='cached_sitemap')
+        {'sitemaps': simple_sitemaps}, name='cached_sitemap'),
+    url(r'^sitemap-without-entries/sitemap\.xml$', views.sitemap,
+        {'sitemaps': {}}, name='django.contrib.sitemaps.views.sitemap'),
 ]
 
 urlpatterns += i18n_patterns(