/usr/lib/python2.7/dist-packages/traits/tests/test_static_notifiers.py is in python-traits 4.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2014 Enthought, Inc.
##############################################################################
""" Tests for the static notifiers. """
from traits.api import Float, HasTraits
from traits.testing.unittest_tools import unittest
from traits import trait_notifiers
calls_0 = []
class StaticNotifiers0(HasTraits):
ok = Float
def _ok_changed():
calls_0.append(True)
fail = Float
def _fail_changed():
raise Exception('error')
class StaticNotifiers1(HasTraits):
ok = Float
def _ok_changed(self):
if not hasattr(self, 'calls'):
self.calls = []
self.calls.append(True)
fail = Float
def _fail_changed(self):
raise Exception('error')
class StaticNotifiers2(HasTraits):
ok = Float
def _ok_changed(self, new):
if not hasattr(self, 'calls'):
self.calls = []
self.calls.append(new)
fail = Float
def _fail_changed(self, new):
raise Exception('error')
class StaticNotifiers3(HasTraits):
ok = Float
def _ok_changed(self, old, new):
if not hasattr(self, 'calls'):
self.calls = []
self.calls.append((old, new))
fail = Float
def _fail_changed(self, old, new):
raise Exception('error')
class StaticNotifiers4(HasTraits):
ok = Float
def _ok_changed(self, name, old, new):
if not hasattr(self, 'calls'):
self.calls = []
self.calls.append((name, old, new))
fail = Float
def _fail_changed(self, name, old, new):
raise Exception('error')
class TestNotifiers(unittest.TestCase):
""" Tests for the static notifiers, and the "anytrait" static notifiers.
"""
def setUp(self):
self.exceptions = []
trait_notifiers.push_exception_handler(self._handle_exception)
def tearDown(self):
trait_notifiers.pop_exception_handler()
def _handle_exception(self, obj, name, old, new):
self.exceptions.append((obj, name, old, new))
def test_static_notifiers_0(self):
obj = StaticNotifiers0(ok=2)
obj.ok = 3
self.assertEqual(len(calls_0), 2)
obj.fail = 1
self.assertEqual(self.exceptions, [(obj, 'fail', 0, 1)])
def test_static_notifiers_1(self):
obj = StaticNotifiers1(ok=2)
obj.ok = 3
self.assertEqual(len(obj.calls), 2)
obj.fail = 1
self.assertEqual(self.exceptions, [(obj, 'fail', 0, 1)])
def test_static_notifiers_2(self):
obj = StaticNotifiers2(ok=2)
obj.ok = 3
self.assertEqual(obj.calls, [2, 3])
obj.fail = 1
self.assertEqual(self.exceptions, [(obj, 'fail', 0, 1)])
def test_static_notifiers_3(self):
obj = StaticNotifiers3(ok=2)
obj.ok = 3
self.assertEqual(obj.calls, [(0, 2), (2, 3)])
obj.fail = 1
self.assertEqual(self.exceptions, [(obj, 'fail', 0, 1)])
def test_static_notifiers_4(self):
obj = StaticNotifiers4(ok=2)
obj.ok = 3
self.assertEqual(obj.calls, [('ok', 0, 2), ('ok', 2, 3)])
obj.fail = 1
self.assertEqual(self.exceptions, [(obj, 'fail', 0, 1)])
if __name__ == '__main__':
unittest.main()
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