610 lines
22 KiB
Python
610 lines
22 KiB
Python
import sys
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import unittest
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from flaky import flaky
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import pytest
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from qtpy import QtCore, QtGui, QtWidgets
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from qtpy.QtTest import QTest
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from qtconsole.console_widget import ConsoleWidget
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from qtconsole.qtconsoleapp import JupyterQtConsoleApp
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from . import no_display
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if sys.version[0] == '2': # Python 2
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from IPython.core.inputsplitter import InputSplitter as TransformerManager
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else:
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from IPython.core.inputtransformer2 import TransformerManager
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SHELL_TIMEOUT = 20000
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@pytest.fixture
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def qtconsole(qtbot):
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"""Qtconsole fixture."""
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# Create a console
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console = JupyterQtConsoleApp()
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console.initialize(argv=[])
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qtbot.addWidget(console.window)
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console.window.confirm_exit = False
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console.window.show()
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return console
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@flaky(max_runs=3)
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@pytest.mark.parametrize(
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"debug", [True, False])
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def test_scroll(qtconsole, qtbot, debug):
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"""
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Make sure the scrolling works.
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"""
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window = qtconsole.window
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shell = window.active_frontend
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control = shell._control
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scroll_bar = control.verticalScrollBar()
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# Wait until the console is fully up
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qtbot.waitUntil(lambda: shell._prompt_html is not None,
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timeout=SHELL_TIMEOUT)
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assert scroll_bar.value() == 0
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# Define a function with loads of output
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# Check the outputs are working as well
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code = ["import time",
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"def print_numbers():",
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" for i in range(1000):",
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" print(i)",
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" time.sleep(.01)"]
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for line in code:
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qtbot.keyClicks(control, line)
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qtbot.keyClick(control, QtCore.Qt.Key_Enter)
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with qtbot.waitSignal(shell.executed):
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qtbot.keyClick(control, QtCore.Qt.Key_Enter,
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modifier=QtCore.Qt.ShiftModifier)
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def run_line(line, block=True):
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qtbot.keyClicks(control, line)
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if block:
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with qtbot.waitSignal(shell.executed):
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qtbot.keyClick(control, QtCore.Qt.Key_Enter,
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modifier=QtCore.Qt.ShiftModifier)
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else:
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qtbot.keyClick(control, QtCore.Qt.Key_Enter,
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modifier=QtCore.Qt.ShiftModifier)
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if debug:
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# Enter debug
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run_line('%debug print()', block=False)
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qtbot.keyClick(control, QtCore.Qt.Key_Enter)
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# redefine run_line
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def run_line(line, block=True):
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qtbot.keyClicks(control, '!' + line)
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qtbot.keyClick(control, QtCore.Qt.Key_Enter,
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modifier=QtCore.Qt.ShiftModifier)
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if block:
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qtbot.waitUntil(
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lambda: control.toPlainText().strip(
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).split()[-1] == "ipdb>")
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prev_position = scroll_bar.value()
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# Create a bunch of inputs
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for i in range(20):
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run_line('a = 1')
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assert scroll_bar.value() > prev_position
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# Put the scroll bar higher and check it doesn't move
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prev_position = scroll_bar.value() + scroll_bar.pageStep() // 2
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scroll_bar.setValue(prev_position)
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for i in range(2):
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run_line('a')
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assert scroll_bar.value() == prev_position
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# add more input and check it moved
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for i in range(10):
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run_line('a')
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assert scroll_bar.value() > prev_position
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prev_position = scroll_bar.value()
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# Run the printing function
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run_line('print_numbers()', block=False)
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qtbot.wait(1000)
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# Check everything advances
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assert scroll_bar.value() > prev_position
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# move up
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prev_position = scroll_bar.value() - scroll_bar.pageStep()
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scroll_bar.setValue(prev_position)
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qtbot.wait(1000)
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# Check position stayed the same
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assert scroll_bar.value() == prev_position
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# reset position
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prev_position = scroll_bar.maximum() - (scroll_bar.pageStep() * 8) // 10
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scroll_bar.setValue(prev_position)
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qtbot.wait(1000)
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assert scroll_bar.value() > prev_position
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@flaky(max_runs=3)
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def test_input(qtconsole, qtbot):
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"""
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Test input function
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"""
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window = qtconsole.window
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shell = window.active_frontend
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control = shell._control
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# Wait until the console is fully up
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qtbot.waitUntil(lambda: shell._prompt_html is not None,
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timeout=SHELL_TIMEOUT)
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with qtbot.waitSignal(shell.executed):
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shell.execute("import time")
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if sys.version[0] == '2':
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input_function = 'raw_input'
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else:
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input_function = 'input'
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shell.execute("print(" + input_function + "('name: ')); time.sleep(3)")
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qtbot.waitUntil(lambda: control.toPlainText().split()[-1] == 'name:')
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qtbot.keyClicks(control, 'test')
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qtbot.keyClick(control, QtCore.Qt.Key_Enter)
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qtbot.waitUntil(lambda: not shell._reading)
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qtbot.keyClick(control, 'z', modifier=QtCore.Qt.ControlModifier)
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for i in range(10):
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qtbot.keyClick(control, QtCore.Qt.Key_Backspace)
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qtbot.waitUntil(lambda: shell._prompt_html is not None,
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timeout=SHELL_TIMEOUT)
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assert 'name: test\ntest' in control.toPlainText()
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@flaky(max_runs=3)
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def test_debug(qtconsole, qtbot):
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"""
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Make sure the cursor works while debugging
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It might not because the console is "_executing"
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"""
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window = qtconsole.window
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shell = window.active_frontend
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control = shell._control
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# Wait until the console is fully up
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qtbot.waitUntil(lambda: shell._prompt_html is not None,
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timeout=SHELL_TIMEOUT)
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# Enter execution
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code = "%debug range(1)"
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qtbot.keyClicks(control, code)
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qtbot.keyClick(control, QtCore.Qt.Key_Enter,
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modifier=QtCore.Qt.ShiftModifier)
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qtbot.waitUntil(
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lambda: control.toPlainText().strip().split()[-1] == "ipdb>",
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timeout=SHELL_TIMEOUT)
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# We should be able to move the cursor while debugging
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qtbot.keyClicks(control, "abd")
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qtbot.wait(100)
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qtbot.keyClick(control, QtCore.Qt.Key_Left)
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qtbot.keyClick(control, 'c')
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qtbot.wait(100)
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assert control.toPlainText().strip().split()[-1] == "abcd"
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@pytest.mark.skipif(no_display, reason="Doesn't work without a display")
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class TestConsoleWidget(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 assert_text_equal(self, cursor, text):
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cursor.select(cursor.Document)
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selection = cursor.selectedText()
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self.assertEqual(selection, text)
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def test_special_characters(self):
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""" Are special characters displayed correctly?
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"""
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w = ConsoleWidget()
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cursor = w._get_prompt_cursor()
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test_inputs = ['xyz\b\b=\n',
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'foo\b\nbar\n',
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'foo\b\nbar\r\n',
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'abc\rxyz\b\b=']
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expected_outputs = [u'x=z\u2029',
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u'foo\u2029bar\u2029',
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u'foo\u2029bar\u2029',
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'x=z']
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for i, text in enumerate(test_inputs):
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w._insert_plain_text(cursor, text)
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self.assert_text_equal(cursor, expected_outputs[i])
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# clear all the text
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cursor.insertText('')
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def test_link_handling(self):
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noKeys = QtCore.Qt
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noButton = QtCore.Qt.MouseButton(0)
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noButtons = QtCore.Qt.MouseButtons(0)
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noModifiers = QtCore.Qt.KeyboardModifiers(0)
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MouseMove = QtCore.QEvent.MouseMove
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QMouseEvent = QtGui.QMouseEvent
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w = ConsoleWidget()
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cursor = w._get_prompt_cursor()
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w._insert_html(cursor, '<a href="http://python.org">written in</a>')
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obj = w._control
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tip = QtWidgets.QToolTip
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self.assertEqual(tip.text(), u'')
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# should be somewhere else
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elsewhereEvent = QMouseEvent(MouseMove, QtCore.QPoint(50,50),
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noButton, noButtons, noModifiers)
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w.eventFilter(obj, elsewhereEvent)
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self.assertEqual(tip.isVisible(), False)
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self.assertEqual(tip.text(), u'')
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# should be over text
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overTextEvent = QMouseEvent(MouseMove, QtCore.QPoint(1,5),
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noButton, noButtons, noModifiers)
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w.eventFilter(obj, overTextEvent)
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self.assertEqual(tip.isVisible(), True)
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self.assertEqual(tip.text(), "http://python.org")
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# should still be over text
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stillOverTextEvent = QMouseEvent(MouseMove, QtCore.QPoint(1,5),
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noButton, noButtons, noModifiers)
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w.eventFilter(obj, stillOverTextEvent)
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self.assertEqual(tip.isVisible(), True)
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self.assertEqual(tip.text(), "http://python.org")
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def test_width_height(self):
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# width()/height() QWidget properties should not be overridden.
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w = ConsoleWidget()
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self.assertEqual(w.width(), QtWidgets.QWidget.width(w))
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self.assertEqual(w.height(), QtWidgets.QWidget.height(w))
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def test_prompt_cursors(self):
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"""Test the cursors that keep track of where the prompt begins and
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ends"""
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w = ConsoleWidget()
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w._prompt = 'prompt>'
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doc = w._control.document()
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# Fill up the QTextEdit area with the maximum number of blocks
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doc.setMaximumBlockCount(10)
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for _ in range(9):
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w._append_plain_text('line\n')
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# Draw the prompt, this should cause the first lines to be deleted
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w._show_prompt()
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self.assertEqual(doc.blockCount(), 10)
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# _prompt_pos should be at the end of the document
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self.assertEqual(w._prompt_pos, w._get_end_pos())
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# _append_before_prompt_pos should be at the beginning of the prompt
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self.assertEqual(w._append_before_prompt_pos,
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w._prompt_pos - len(w._prompt))
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# insert some more text without drawing a new prompt
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w._append_plain_text('line\n')
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self.assertEqual(w._prompt_pos,
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w._get_end_pos() - len('line\n'))
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self.assertEqual(w._append_before_prompt_pos,
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w._prompt_pos - len(w._prompt))
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# redraw the prompt
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w._show_prompt()
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self.assertEqual(w._prompt_pos, w._get_end_pos())
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self.assertEqual(w._append_before_prompt_pos,
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w._prompt_pos - len(w._prompt))
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# insert some text before the prompt
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w._append_plain_text('line', before_prompt=True)
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self.assertEqual(w._prompt_pos, w._get_end_pos())
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self.assertEqual(w._append_before_prompt_pos,
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w._prompt_pos - len(w._prompt))
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def test_select_all(self):
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w = ConsoleWidget()
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w._append_plain_text('Header\n')
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w._prompt = 'prompt>'
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w._show_prompt()
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control = w._control
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app = QtWidgets.QApplication.instance()
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cursor = w._get_cursor()
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w._insert_plain_text_into_buffer(cursor, "if:\n pass")
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cursor.clearSelection()
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control.setTextCursor(cursor)
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# "select all" action selects cell first
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w.select_all_smart()
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QTest.keyClick(control, QtCore.Qt.Key_C, QtCore.Qt.ControlModifier)
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copied = app.clipboard().text()
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self.assertEqual(copied, 'if:\n> pass')
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# # "select all" action triggered a second time selects whole document
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w.select_all_smart()
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QTest.keyClick(control, QtCore.Qt.Key_C, QtCore.Qt.ControlModifier)
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copied = app.clipboard().text()
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self.assertEqual(copied, 'Header\nprompt>if:\n> pass')
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def test_keypresses(self):
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"""Test the event handling code for keypresses."""
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w = ConsoleWidget()
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w._append_plain_text('Header\n')
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w._prompt = 'prompt>'
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w._show_prompt()
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app = QtWidgets.QApplication.instance()
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control = w._control
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# Test setting the input buffer
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w._set_input_buffer('test input')
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self.assertEqual(w._get_input_buffer(), 'test input')
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# Ctrl+K kills input until EOL
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w._set_input_buffer('test input')
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c = control.textCursor()
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c.setPosition(c.position() - 3)
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control.setTextCursor(c)
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QTest.keyClick(control, QtCore.Qt.Key_K, QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(), 'test in')
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# Ctrl+V pastes
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w._set_input_buffer('test input ')
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app.clipboard().setText('pasted text')
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QTest.keyClick(control, QtCore.Qt.Key_V, QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(), 'test input pasted text')
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self.assertEqual(control.document().blockCount(), 2)
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# Paste should strip indentation
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w._set_input_buffer('test input ')
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app.clipboard().setText(' pasted text')
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QTest.keyClick(control, QtCore.Qt.Key_V, QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(), 'test input pasted text')
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self.assertEqual(control.document().blockCount(), 2)
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# Multiline paste, should also show continuation marks
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w._set_input_buffer('test input ')
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app.clipboard().setText('line1\nline2\nline3')
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QTest.keyClick(control, QtCore.Qt.Key_V, QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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'test input line1\nline2\nline3')
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self.assertEqual(control.document().blockCount(), 4)
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self.assertEqual(control.document().findBlockByNumber(1).text(),
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'prompt>test input line1')
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self.assertEqual(control.document().findBlockByNumber(2).text(),
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'> line2')
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self.assertEqual(control.document().findBlockByNumber(3).text(),
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'> line3')
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# Multiline paste should strip indentation intelligently
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# in the case where pasted text has leading whitespace on first line
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# and we're pasting into indented position
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w._set_input_buffer(' ')
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app.clipboard().setText(' If 1:\n pass')
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QTest.keyClick(control, QtCore.Qt.Key_V, QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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' If 1:\n pass')
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# Ctrl+Backspace should intelligently remove the last word
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w._set_input_buffer("foo = ['foo', 'foo', 'foo', \n"
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" 'bar', 'bar', 'bar']")
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QTest.keyClick(control, QtCore.Qt.Key_Backspace,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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("foo = ['foo', 'foo', 'foo', \n"
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" 'bar', 'bar', '"))
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QTest.keyClick(control, QtCore.Qt.Key_Backspace,
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QtCore.Qt.ControlModifier)
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QTest.keyClick(control, QtCore.Qt.Key_Backspace,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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("foo = ['foo', 'foo', 'foo', \n"
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" '"))
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QTest.keyClick(control, QtCore.Qt.Key_Backspace,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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("foo = ['foo', 'foo', 'foo', \n"
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""))
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QTest.keyClick(control, QtCore.Qt.Key_Backspace,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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"foo = ['foo', 'foo', 'foo',")
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# Ctrl+Delete should intelligently remove the next word
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w._set_input_buffer("foo = ['foo', 'foo', 'foo', \n"
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" 'bar', 'bar', 'bar']")
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c = control.textCursor()
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c.setPosition(35)
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control.setTextCursor(c)
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QTest.keyClick(control, QtCore.Qt.Key_Delete,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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("foo = ['foo', 'foo', ', \n"
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" 'bar', 'bar', 'bar']"))
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QTest.keyClick(control, QtCore.Qt.Key_Delete,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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("foo = ['foo', 'foo', \n"
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" 'bar', 'bar', 'bar']"))
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QTest.keyClick(control, QtCore.Qt.Key_Delete,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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"foo = ['foo', 'foo', 'bar', 'bar', 'bar']")
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w._set_input_buffer("foo = ['foo', 'foo', 'foo', \n"
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" 'bar', 'bar', 'bar']")
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c = control.textCursor()
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c.setPosition(48)
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control.setTextCursor(c)
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QTest.keyClick(control, QtCore.Qt.Key_Delete,
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QtCore.Qt.ControlModifier)
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self.assertEqual(w._get_input_buffer(),
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("foo = ['foo', 'foo', 'foo', \n"
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"'bar', 'bar', 'bar']"))
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# Left and right keys should respect the continuation prompt
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w._set_input_buffer("line 1\n"
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"line 2\n"
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"line 3")
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c = control.textCursor()
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c.setPosition(20) # End of line 1
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control.setTextCursor(c)
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QTest.keyClick(control, QtCore.Qt.Key_Right)
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# Cursor should have moved after the continuation prompt
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self.assertEqual(control.textCursor().position(), 23)
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QTest.keyClick(control, QtCore.Qt.Key_Left)
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# Cursor should have moved to the end of the previous line
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self.assertEqual(control.textCursor().position(), 20)
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# TODO: many more keybindings
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def test_indent(self):
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"""Test the event handling code for indent/dedent keypresses ."""
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w = ConsoleWidget()
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w._append_plain_text('Header\n')
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w._prompt = 'prompt>'
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w._show_prompt()
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control = w._control
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|
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# TAB with multiline selection should block-indent
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w._set_input_buffer("")
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c = control.textCursor()
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pos=c.position()
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w._set_input_buffer("If 1:\n pass")
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c.setPosition(pos, QtGui.QTextCursor.KeepAnchor)
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control.setTextCursor(c)
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QTest.keyClick(control, QtCore.Qt.Key_Tab)
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self.assertEqual(w._get_input_buffer()," If 1:\n pass")
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|
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# TAB with multiline selection, should block-indent to next multiple
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|
# of 4 spaces, if first line has 0 < indent < 4
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w._set_input_buffer("")
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|
c = control.textCursor()
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|
pos=c.position()
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|
w._set_input_buffer(" If 2:\n pass")
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|
c.setPosition(pos, QtGui.QTextCursor.KeepAnchor)
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|
control.setTextCursor(c)
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QTest.keyClick(control, QtCore.Qt.Key_Tab)
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self.assertEqual(w._get_input_buffer()," If 2:\n pass")
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|
|
|
# Shift-TAB with multiline selection should block-dedent
|
|
w._set_input_buffer("")
|
|
c = control.textCursor()
|
|
pos=c.position()
|
|
w._set_input_buffer(" If 3:\n pass")
|
|
c.setPosition(pos, QtGui.QTextCursor.KeepAnchor)
|
|
control.setTextCursor(c)
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|
QTest.keyClick(control, QtCore.Qt.Key_Backtab)
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|
self.assertEqual(w._get_input_buffer(),"If 3:\n pass")
|
|
|
|
def test_complete(self):
|
|
class TestKernelClient(object):
|
|
def is_complete(self, source):
|
|
calls.append(source)
|
|
return msg_id
|
|
w = ConsoleWidget()
|
|
cursor = w._get_prompt_cursor()
|
|
w._execute = lambda *args: calls.append(args)
|
|
w.kernel_client = TestKernelClient()
|
|
msg_id = object()
|
|
calls = []
|
|
|
|
# test incomplete statement (no _execute called, but indent added)
|
|
w.execute("thing", interactive=True)
|
|
self.assertEqual(calls, ["thing"])
|
|
calls = []
|
|
w._handle_is_complete_reply(
|
|
dict(parent_header=dict(msg_id=msg_id),
|
|
content=dict(status="incomplete", indent="!!!")))
|
|
self.assert_text_equal(cursor, u"thing\u2029> !!!")
|
|
self.assertEqual(calls, [])
|
|
|
|
# test complete statement (_execute called)
|
|
msg_id = object()
|
|
w.execute("else", interactive=True)
|
|
self.assertEqual(calls, ["else"])
|
|
calls = []
|
|
w._handle_is_complete_reply(
|
|
dict(parent_header=dict(msg_id=msg_id),
|
|
content=dict(status="complete", indent="###")))
|
|
self.assertEqual(calls, [("else", False)])
|
|
calls = []
|
|
self.assert_text_equal(cursor, u"thing\u2029> !!!else\u2029")
|
|
|
|
# test missing answer from is_complete
|
|
msg_id = object()
|
|
w.execute("done", interactive=True)
|
|
self.assertEqual(calls, ["done"])
|
|
calls = []
|
|
self.assert_text_equal(cursor, u"thing\u2029> !!!else\u2029")
|
|
w._trigger_is_complete_callback()
|
|
self.assert_text_equal(cursor, u"thing\u2029> !!!else\u2029\u2029> ")
|
|
|
|
# assert that late answer isn't destroying anything
|
|
w._handle_is_complete_reply(
|
|
dict(parent_header=dict(msg_id=msg_id),
|
|
content=dict(status="complete", indent="###")))
|
|
self.assertEqual(calls, [])
|
|
|
|
def test_complete_python(self):
|
|
"""Test that is_complete is working correctly for Python."""
|
|
# Kernel client to test the responses of is_complete
|
|
class TestIPyKernelClient(object):
|
|
def is_complete(self, source):
|
|
tm = TransformerManager()
|
|
check_complete = tm.check_complete(source)
|
|
responses.append(check_complete)
|
|
|
|
# Initialize widget
|
|
responses = []
|
|
w = ConsoleWidget()
|
|
w._append_plain_text('Header\n')
|
|
w._prompt = 'prompt>'
|
|
w._show_prompt()
|
|
w.kernel_client = TestIPyKernelClient()
|
|
|
|
# Execute incomplete statement inside a block
|
|
code = '\n'.join(["if True:", " a = 1"])
|
|
w._set_input_buffer(code)
|
|
w.execute(interactive=True)
|
|
assert responses == [('incomplete', 4)]
|
|
|
|
# Execute complete statement inside a block
|
|
responses = []
|
|
code = '\n'.join(["if True:", " a = 1\n\n"])
|
|
w._set_input_buffer(code)
|
|
w.execute(interactive=True)
|
|
assert responses == [('complete', None)]
|