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ensure a fallback exists, so use local std{in,out,err}...
ensure a fallback exists, so use local std{in,out,err} Since IOStream instances require a valid fallback stream, use the locally defined std{in,out,err} instead of sys.std{in,out,err} in IOTerm's __init__ method. Note that the local std{in,out,err} are IOStream instances as well, that fall back to os.devnull
Brian Granger - - Load All Authors

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test_plugin.py
46 lines | 1.3 KiB | text/x-python | PythonLexer
/ IPython / core / tests / test_plugin.py
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"""Tests for plugin.py"""
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from unittest import TestCase
from IPython.core.plugin import Plugin, PluginManager
#-----------------------------------------------------------------------------
# Tests
#-----------------------------------------------------------------------------
class FooPlugin(Plugin):
pass
class BarPlugin(Plugin):
pass
class BadPlugin(object):
pass
class PluginTest(TestCase):
def setUp(self):
self.manager = PluginManager()
def test_register_get(self):
self.assertEquals(None, self.manager.get_plugin('foo'))
foo = FooPlugin()
self.manager.register_plugin('foo', foo)
self.assertEquals(foo, self.manager.get_plugin('foo'))
bar = BarPlugin()
self.assertRaises(KeyError, self.manager.register_plugin, 'foo', bar)
bad = BadPlugin()
self.assertRaises(TypeError, self.manager.register_plugin, 'bad')
def test_unregister(self):
foo = FooPlugin()
self.manager.register_plugin('foo', foo)
self.manager.unregister_plugin('foo')
self.assertEquals(None, self.manager.get_plugin('foo'))