|
|
# Standard library imports
|
|
|
import unittest
|
|
|
|
|
|
# System library imports
|
|
|
from IPython.external.qt import QtGui
|
|
|
|
|
|
# Local imports
|
|
|
from IPython.qt.console.kill_ring import KillRing, QtKillRing
|
|
|
|
|
|
|
|
|
class TestKillRing(unittest.TestCase):
|
|
|
|
|
|
@classmethod
|
|
|
def setUpClass(cls):
|
|
|
""" Create the application for the test case.
|
|
|
"""
|
|
|
cls._app = QtGui.QApplication.instance()
|
|
|
if cls._app is None:
|
|
|
cls._app = QtGui.QApplication([])
|
|
|
cls._app.setQuitOnLastWindowClosed(False)
|
|
|
|
|
|
@classmethod
|
|
|
def tearDownClass(cls):
|
|
|
""" Exit the application.
|
|
|
"""
|
|
|
QtGui.QApplication.quit()
|
|
|
|
|
|
def test_generic(self):
|
|
|
""" Does the generic kill ring work?
|
|
|
"""
|
|
|
ring = KillRing()
|
|
|
self.assertTrue(ring.yank() is None)
|
|
|
self.assertTrue(ring.rotate() is None)
|
|
|
|
|
|
ring.kill('foo')
|
|
|
self.assertEqual(ring.yank(), 'foo')
|
|
|
self.assertTrue(ring.rotate() is None)
|
|
|
self.assertEqual(ring.yank(), 'foo')
|
|
|
|
|
|
ring.kill('bar')
|
|
|
self.assertEqual(ring.yank(), 'bar')
|
|
|
self.assertEqual(ring.rotate(), 'foo')
|
|
|
|
|
|
ring.clear()
|
|
|
self.assertTrue(ring.yank() is None)
|
|
|
self.assertTrue(ring.rotate() is None)
|
|
|
|
|
|
def test_qt_basic(self):
|
|
|
""" Does the Qt kill ring work?
|
|
|
"""
|
|
|
text_edit = QtGui.QPlainTextEdit()
|
|
|
ring = QtKillRing(text_edit)
|
|
|
|
|
|
ring.kill('foo')
|
|
|
ring.kill('bar')
|
|
|
ring.yank()
|
|
|
ring.rotate()
|
|
|
ring.yank()
|
|
|
self.assertEqual(text_edit.toPlainText(), 'foobar')
|
|
|
|
|
|
text_edit.clear()
|
|
|
ring.kill('baz')
|
|
|
ring.yank()
|
|
|
ring.rotate()
|
|
|
ring.rotate()
|
|
|
ring.rotate()
|
|
|
self.assertEqual(text_edit.toPlainText(), 'foo')
|
|
|
|
|
|
def test_qt_cursor(self):
|
|
|
""" Does the Qt kill ring maintain state with cursor movement?
|
|
|
"""
|
|
|
text_edit = QtGui.QPlainTextEdit()
|
|
|
ring = QtKillRing(text_edit)
|
|
|
|
|
|
ring.kill('foo')
|
|
|
ring.kill('bar')
|
|
|
ring.yank()
|
|
|
text_edit.moveCursor(QtGui.QTextCursor.Left)
|
|
|
ring.rotate()
|
|
|
self.assertEqual(text_edit.toPlainText(), 'bar')
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
import nose
|
|
|
nose.main()
|
|
|
|
