urlmatch: Make it possible to leave off trailing slash

qutebrowser/utils/urlmatch.py

@@ -141,7 +141,13 @@ class UrlPattern:
         if self._scheme == 'about' and not parsed.path.strip():
             raise ParseError("Pattern without path")
 
-        self._path = None if parsed.path == '/*' else parsed.path
+        if parsed.path == '/*':
+            self._path = None
+        elif parsed.path == '':
+            # We want to make it possible to leave off a trailing slash.
+            self._path = '/'
+        else:
+            self._path = parsed.path
 
     def _init_host(self, parsed):
         """Parse the host from the given URL.

tests/unit/utils/test_urlmatch.py

@@ -389,6 +389,13 @@ def test_ignore_missing_slashes():
     assert not pattern1.matches(url2)
 
 
+def test_trailing_slash():
+    """Contrary to Chromium, we allow to leave off a trailing slash."""
+    url = QUrl('http://www.example.com/')
+    pattern = urlmatch.UrlPattern('http://www.example.com')
+    assert pattern.matches(url)
+
+
 @pytest.mark.parametrize('pattern', ['*://example.com/*',
                                      '*://example.com./*'])
 @pytest.mark.parametrize('url', ['http://example.com/',