86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
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import unittest
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import pytest
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from qtpy import QtGui, QtWidgets
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from qtconsole.kill_ring import KillRing, QtKillRing
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from . import no_display
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@pytest.mark.skipif(no_display, reason="Doesn't work without a display")
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class TestKillRing(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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""" Create the application for the test case.
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"""
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cls._app = QtWidgets.QApplication.instance()
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if cls._app is None:
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cls._app = QtWidgets.QApplication([])
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cls._app.setQuitOnLastWindowClosed(False)
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@classmethod
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def tearDownClass(cls):
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""" Exit the application.
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"""
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QtWidgets.QApplication.quit()
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def test_generic(self):
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""" Does the generic kill ring work?
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"""
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ring = KillRing()
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self.assertTrue(ring.yank() is None)
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self.assertTrue(ring.rotate() is None)
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ring.kill('foo')
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self.assertEqual(ring.yank(), 'foo')
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self.assertTrue(ring.rotate() is None)
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self.assertEqual(ring.yank(), 'foo')
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ring.kill('bar')
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self.assertEqual(ring.yank(), 'bar')
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self.assertEqual(ring.rotate(), 'foo')
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ring.clear()
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self.assertTrue(ring.yank() is None)
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self.assertTrue(ring.rotate() is None)
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def test_qt_basic(self):
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""" Does the Qt kill ring work?
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"""
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text_edit = QtWidgets.QPlainTextEdit()
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ring = QtKillRing(text_edit)
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ring.kill('foo')
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ring.kill('bar')
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ring.yank()
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ring.rotate()
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ring.yank()
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self.assertEqual(text_edit.toPlainText(), 'foobar')
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text_edit.clear()
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ring.kill('baz')
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ring.yank()
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ring.rotate()
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ring.rotate()
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ring.rotate()
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self.assertEqual(text_edit.toPlainText(), 'foo')
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def test_qt_cursor(self):
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""" Does the Qt kill ring maintain state with cursor movement?
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"""
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text_edit = QtWidgets.QPlainTextEdit()
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ring = QtKillRing(text_edit)
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ring.kill('foo')
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ring.kill('bar')
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ring.yank()
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text_edit.moveCursor(QtGui.QTextCursor.Left)
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ring.rotate()
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self.assertEqual(text_edit.toPlainText(), 'bar')
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if __name__ == '__main__':
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import pytest
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pytest.main()
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