Add tests for keyinput->partial-timeout.

qutebrowser/test/keyinput/test_modeparsers.py

@@ -0,0 +1,98 @@
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2015 Florian Bruhin (The Compiler) <mail@qutebrowser.org>:
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Tests for mode parsers."""
+
+from PyQt5.QtCore import Qt
+
+import unittest
+from unittest import mock
+
+from qutebrowser.keyinput import modeparsers
+from qutebrowser.test import stubs, helpers
+from qutebrowser.utils import objreg
+
+
+CONFIG = {'input': {'partial-timeout': 100}}
+
+
+BINDINGS = {'normal': {'a': 'a', 'ba': 'ba'}}
+
+
+fake_keyconfig = mock.Mock(spec=['get_bindings_for'])
+fake_keyconfig.get_bindings_for.side_effect = lambda s: BINDINGS[s]
+
+
+@mock.patch('qutebrowser.keyinput.basekeyparser.usertypes.Timer',
+            new=stubs.FakeTimer)
+@mock.patch('qutebrowser.keyinput.modeparsers.config',
+            new=stubs.ConfigStub(CONFIG))
+class NormalKeyParserTests(unittest.TestCase):
+
+    """Tests for NormalKeyParser.
+
+    Attributes:
+        kp: The NormalKeyParser to be tested.
+    """
+
+    # pylint: disable=protected-access
+
+    def setUp(self):
+        """Set up mocks and read the test config."""
+        objreg.register('key-config', fake_keyconfig)
+        self.kp = modeparsers.NormalKeyParser(0)
+        self.kp.execute = mock.Mock()
+
+    def tearDown(self):
+        objreg.delete('key-config')
+
+    def test_keychain(self):
+        """Test valid keychain."""
+        # Press 'x' which is ignored because of no match
+        self.kp.handle(helpers.fake_keyevent(Qt.Key_X, text='x'))
+        # Then start the real chain
+        self.kp.handle(helpers.fake_keyevent(Qt.Key_B, text='b'))
+        self.kp.handle(helpers.fake_keyevent(Qt.Key_A, text='a'))
+        self.kp.execute.assert_called_once_with('ba', self.kp.Type.chain, None)
+        self.assertEqual(self.kp._keystring, '')
+
+    def test_partial_keychain_timeout(self):
+        """Test partial keychain timeout."""
+        timer = self.kp._partial_timer
+        self.assertFalse(timer.isActive())
+        # Press 'b' for a partial match.
+        # Then we check if the timer has been set up correctly
+        self.kp.handle(helpers.fake_keyevent(Qt.Key_B, text='b'))
+        self.assertTrue(timer.isSingleShot())
+        self.assertEqual(timer.interval(), 100)
+        self.assertTrue(timer.isActive())
+
+        self.assertFalse(self.kp.execute.called)
+        self.assertEqual(self.kp._keystring, 'b')
+        # Now simulate a timeout and check the keystring has been cleared.
+        keystring_updated_mock = mock.Mock()
+        self.kp.keystring_updated.connect(keystring_updated_mock)
+        timer.timeout.emit()
+        self.assertFalse(self.kp.execute.called)
+        self.assertEqual(self.kp._keystring, '')
+        keystring_updated_mock.assert_called_once_with('')
+
+
+if __name__ == '__main__':
+    unittest.main()