import unittest
import pytest
from qtconsole.qt import QtGui
from qtconsole.qt_loaders import load_qtest
from qtconsole.client import QtKernelClient
from qtconsole.jupyter_widget import JupyterWidget
from . import no_display
QTest = load_qtest()
@pytest.mark.skipif(no_display, reason="Doesn't work without a display")
class TestJupyterWidget(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_stylesheet_changed(self):
""" Test changing stylesheets.
"""
w = JupyterWidget(kind='rich')
# By default, the background is light. White text is rendered as black
self.assertEqual(w._ansi_processor.get_color(15).name(), '#000000')
# Change to a dark colorscheme. White text is rendered as white
w.syntax_style = 'monokai'
self.assertEqual(w._ansi_processor.get_color(15).name(), '#ffffff')
def test_other_output(self):
""" Test displaying output from other clients.
"""
w = JupyterWidget(kind='rich')
w._append_plain_text('Header\n')
w._show_interpreter_prompt(1)
w.other_output_prefix = '[other] '
w.syntax_style = 'default'
control = w._control
document = control.document()
msg = dict(
execution_count=1,
code='a = 1 + 1\nb = range(10)',
)
w._append_custom(w._insert_other_input, msg, before_prompt=True)
self.assertEqual(document.blockCount(), 6)
self.assertEqual(document.toPlainText(), (
u'Header\n'
u'\n'
u'[other] In [1]: a = 1 + 1\n'
u' ...: b = range(10)\n'
u'\n'
u'In [2]: '
))
# Check proper syntax highlighting
self.assertEqual(document.toHtml(), (
u'\n'
u'\n'
u'Header
\n'
u'
\n'
u'[other] In [1]: a = 1 + 1
\n'
u'\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0...: b = range(10)
\n'
u'
\n'
u'In [2]:
'
))