Merge branch 'adamwethington7-modifcation-for-issue-1386'

CHANGELOG.asciidoc

@@ -59,6 +59,7 @@ Changed
   a new page.
 - `:zoom-in` or `:zoom-out` (`+`/`-`) with a too large count now zooms to the
   smallest/largest zoom instead of doing nothing.
+- The commandline now accepts partially typed commands if they're unique.
 
 Fixed
 -----

README.asciidoc

@@ -195,6 +195,7 @@ Contributors, sorted by the number of commits in descending order:
 * Larry Hynes
 * Johannes Altmanninger
 * Ismail
+* adam
 * Samir Benmendil
 * Regina Hug
 * Mathias Fussenegger

qutebrowser/commands/runners.py

@@ -72,10 +72,12 @@ class CommandRunner(QObject):
 
     Attributes:
         _win_id: The window this CommandRunner is associated with.
+        _partial_match: Whether to allow partial command matches.
     """
 
-    def __init__(self, win_id, parent=None):
+    def __init__(self, win_id, partial_match=False, parent=None):
         super().__init__(parent)
+        self._partial_match = partial_match
         self._win_id = win_id
 
     def _get_alias(self, text):
@@ -172,6 +174,10 @@ class CommandRunner(QObject):
                 log.commands.debug("Re-parsing with '{}'.".format(new_cmd))
                 return self.parse(new_cmd, aliases=False, fallback=fallback,
                                   keep=keep)
+
+        if self._partial_match:
+            cmdstr = self._completion_match(cmdstr)
+
         try:
             cmd = cmdutils.cmd_dict[cmdstr]
         except KeyError:
@@ -196,6 +202,23 @@ class CommandRunner(QObject):
                 cmdline = [cmdstr] + args[:]
         return ParseResult(cmd=cmd, args=args, cmdline=cmdline, count=count)
 
+    def _completion_match(self, cmdstr):
+        """Replace cmdstr with a matching completion if there's only one match.
+
+        Args:
+            cmdstr: The string representing the entered command so far
+
+        Return:
+            cmdstr modified to the matching completion or unmodified
+        """
+        matches = []
+        for valid_command in cmdutils.cmd_dict.keys():
+            if valid_command.find(cmdstr) == 0:
+                matches.append(valid_command)
+        if len(matches) == 1:
+            cmdstr = matches[0]
+        return cmdstr
+
     def _split_args(self, cmd, argstr, keep):
         """Split the arguments from an arg string.
 

qutebrowser/mainwindow/mainwindow.py

@@ -158,7 +158,8 @@ class MainWindow(QWidget):
 
         self._completion = completionwidget.CompletionView(self.win_id, self)
 
-        self._commandrunner = runners.CommandRunner(self.win_id)
+        self._commandrunner = runners.CommandRunner(self.win_id,
+                                                    partial_match=True)
 
         self._keyhint = keyhintwidget.KeyHintView(self.win_id, self)
 
@@ -296,7 +297,6 @@ class MainWindow(QWidget):
             status.keystring.setText)
         cmd.got_cmd.connect(self._commandrunner.run_safely)
         cmd.returnPressed.connect(tabs.on_cmd_return_pressed)
-        tabs.got_cmd.connect(self._commandrunner.run_safely)
 
         # key hint popup
         for mode, parser in keyparsers.items():

qutebrowser/mainwindow/tabbedbrowser.py

@@ -99,7 +99,6 @@ class TabbedBrowser(tabwidget.TabWidget):
     cur_load_status_changed = pyqtSignal(str)
     close_window = pyqtSignal()
     resized = pyqtSignal('QRect')
-    got_cmd = pyqtSignal(str)
     current_tab_changed = pyqtSignal(webview.WebView)
     new_tab = pyqtSignal(webview.WebView, int)
 

tests/end2end/features/conftest.py

@@ -123,10 +123,18 @@ def run_command(quteproc, httpbin, command):
         count = int(count)
     else:
         count = None
+
+    invalid_tag = ' (invalid command)'
+    if command.endswith(invalid_tag):
+        command = command[:-len(invalid_tag)]
+        invalid = True
+    else:
+        invalid = False
+
     command = command.replace('(port)', str(httpbin.port))
     command = command.replace('(testdata)', utils.abs_datapath())
 
-    quteproc.send_cmd(command, count=count)
+    quteproc.send_cmd(command, count=count, invalid=invalid)
 
 
 @bdd.when(bdd.parsers.parse("I reload"))

tests/end2end/features/misc.feature

@@ -441,3 +441,17 @@ Feature: Various utility commands.
     Scenario: Completing a single option argument
         When I run :set-cmd-text -s :-- 
         Then no crash should happen
+
+    ## https://github.com/The-Compiler/qutebrowser/issues/1386
+
+    Scenario: Partial commandline matching with startup command
+        When I run :message-i "Hello World" (invalid command)
+        Then the error "message-i: no such command" should be shown
+
+    # We can't run :message-i as startup command, so we use
+    # :set-cmd-text
+
+    Scenario: Partial commandline matching
+        When I run :set-cmd-text :message-i "Hello World"
+        And I run :command-accept
+        Then the message "Hello World" should be shown

tests/end2end/fixtures/quteprocess.py

@@ -330,8 +330,13 @@ class QuteProc(testprocess.Process):
         finally:
             super().after_test()
 
-    def send_cmd(self, command, count=None):
-        """Send a command to the running qutebrowser instance."""
+    def send_cmd(self, command, count=None, invalid=False):
+        """Send a command to the running qutebrowser instance.
+
+        Args:
+            count: The count to pass to the command.
+            invalid: If True, we don't wait for "command called: ..." in the log
+        """
         summary = command
         if count is not None:
             summary += ' (count {})'.format(count)
@@ -346,8 +351,9 @@ class QuteProc(testprocess.Process):
 
         ipc.send_to_running_instance(self._ipc_socket, [command],
                                      target_arg='')
-        self.wait_for(category='commands', module='command', function='run',
-                      message='command called: *')
+        if not invalid:
+            self.wait_for(category='commands', module='command',
+                          function='run', message='command called: *')
 
     def get_setting(self, sect, opt):
         """Get the value of a qutebrowser setting."""

tests/helpers/fixtures.py

@@ -146,6 +146,8 @@ def _generate_cmdline_tests():
     # Command with no_cmd_split combined with an "invalid" command -> valid
     for item in itertools.product(['bind x open'], separators, invalid):
         yield TestCase(''.join(item), True)
+    # Partial command
+    yield TestCase('message-i', False)
 
 
 @pytest.fixture(params=_generate_cmdline_tests(), ids=lambda e: e.cmd)

tests/unit/commands/test_runners.py

@@ -51,3 +51,12 @@ class TestCommandRunner:
         assert result.count == 20
         assert result.args == ['down']
         assert result.cmdline == ['scroll', 'down']
+
+    def test_partial_parsing(self):
+        """Test partial parsing with a runner where it's enabled.
+
+        The same with it being disabled is tested by test_parse_all.
+        """
+        cr = runners.CommandRunner(0, partial_match=True)
+        result = cr.parse('message-i', aliases=False)
+        assert result.cmd.name == 'message-info'