Fix pattern matching for templates using dashes (#230)

* Fix pattern matching for templates using dashes

* Expand tests

Author: zerolab

pattern_library/urls.py

@@ -7,14 +7,14 @@
     # UI
     re_path(r"^$", views.IndexView.as_view(), name="index"),
     re_path(
-        r"^pattern/(?P<pattern_template_name>[\w./-\\]+%s)$"
+        r"^pattern/(?P<pattern_template_name>[\w./\-\\]+%s)$"
         % (get_pattern_template_suffix()),
         views.IndexView.as_view(),
         name="display_pattern",
     ),
     # iframe rendering
     re_path(
-        r"^render-pattern/(?P<pattern_template_name>[\w./-\\]+%s)$"
+        r"^render-pattern/(?P<pattern_template_name>[\w./\-\\]+%s)$"
         % (get_pattern_template_suffix()),
         views.RenderPatternView.as_view(),
         name="render_pattern",

tests/templates/patterns/molecules/test-molecule/test-molecule.html

@@ -0,0 +1 @@
+template-with-dash

tests/tests/test_views.py

@@ -59,6 +59,30 @@ def test_pretty_names_from_filename(self):
         self.assertEqual(display_link.text.strip(), "test_molecule_no_context.html")
         self.assertEqual(render_link.text.strip(), pattern_path)
 
+    def test_pretty_names_from_filename_containing_dashes(self):
+        pattern_path = "patterns/molecules/test-molecule/test-molecule.html"
+        test_molecule_display_url = reverse(
+            "pattern_library:display_pattern",
+            kwargs={"pattern_template_name": pattern_path},
+        )
+        test_molecule_render_url = reverse(
+            "pattern_library:render_pattern",
+            kwargs={"pattern_template_name": pattern_path},
+        )
+
+        response = self.client.get(test_molecule_display_url)
+        self.assertEqual(response.status_code, 200)
+
+        soup = BeautifulSoup(response.content, features="html.parser")
+
+        display_link = soup.select_one(
+            f'.list__item>a[href="{test_molecule_display_url}"]'
+        )
+        render_link = soup.select_one(f'a[href="{test_molecule_render_url}"]')
+
+        self.assertEqual(display_link.text.strip(), "test-molecule.html")
+        self.assertEqual(render_link.text.strip(), pattern_path)
+
     def test_includes(self):
         pattern_path = "patterns/atoms/test_includes/test_includes.html"
         display_url = reverse(
@@ -92,6 +116,7 @@ def test_fragments(self):
         for template_name in [
             "patterns/atoms/test_atom/test_atom.html",
             "patterns/molecules/test_molecule/test_molecule.html",
+            "patterns/molecules/test-molecule/test-molecule.html",
         ]:
             with self.subTest(template_name=template_name):
                 self.assertContains(