/usr/lib/python2.7/dist-packages/chaco/tests/array_plot_data_test_case.py is in python-chaco 4.5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | import contextlib
from traits.testing.unittest_tools import unittest
import numpy
from chaco.api import ArrayPlotData
from traits.api import HasTraits, Instance, List, on_trait_change
class ArrayPlotDataEventsCollector(HasTraits):
plot_data = Instance(ArrayPlotData)
data_changed_events = List
@on_trait_change('plot_data:data_changed')
def _got_data_changed_event(self, event):
self.data_changed_events.append(event)
class ArrayPlotDataTestCase(unittest.TestCase):
@contextlib.contextmanager
def monitor_events(self, plot_data):
"""
Context manager to collect data_changed events.
"""
collector = ArrayPlotDataEventsCollector(plot_data=plot_data)
yield collector.data_changed_events
def test_data_changed_events(self):
# Test data.
grumpy = numpy.ones((3, 4))
grumpy_too = numpy.zeros(16)
plot_data = ArrayPlotData()
with self.monitor_events(plot_data) as events:
plot_data.set_data('Grumpy', grumpy)
self.assertEqual(events, [{'added': ['Grumpy']}])
# While we're here, check that get_data works as advertised.
grumpy_out = plot_data.get_data('Grumpy')
self.assertIs(grumpy_out, grumpy)
with self.monitor_events(plot_data) as events:
plot_data.set_data('Grumpy', grumpy_too)
self.assertEqual(events, [{'changed': ['Grumpy']}])
with self.monitor_events(plot_data) as events:
plot_data.del_data('Grumpy')
self.assertEqual(events, [{'removed': ['Grumpy']}])
if __name__ == '__main__':
import nose
nose.run()
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