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"""Tests for plugin.py"""
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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from unittest import TestCase
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from IPython.core.plugin import Plugin, PluginManager
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#-----------------------------------------------------------------------------
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# Tests
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#-----------------------------------------------------------------------------
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class FooPlugin(Plugin):
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pass
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class BarPlugin(Plugin):
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pass
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class BadPlugin(object):
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pass
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class PluginTest(TestCase):
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def setUp(self):
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self.manager = PluginManager()
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def test_register_get(self):
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self.assertEqual(None, self.manager.get_plugin('foo'))
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foo = FooPlugin()
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self.manager.register_plugin('foo', foo)
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self.assertEqual(foo, self.manager.get_plugin('foo'))
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bar = BarPlugin()
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self.assertRaises(KeyError, self.manager.register_plugin, 'foo', bar)
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bad = BadPlugin()
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self.assertRaises(TypeError, self.manager.register_plugin, 'bad')
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def test_unregister(self):
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foo = FooPlugin()
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self.manager.register_plugin('foo', foo)
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self.manager.unregister_plugin('foo')
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self.assertEqual(None, self.manager.get_plugin('foo'))
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