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#!/usr/bin/env python
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# encoding: utf-8
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"""
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Simple tests for :mod:`IPython.extensions.pretty`.
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"""
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#-----------------------------------------------------------------------------
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# Copyright (C) 2008-2009 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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import sys
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from unittest import TestCase
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from IPython.core.component import Component, masquerade_as
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from IPython.core.iplib import InteractiveShell
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from IPython.extensions import pretty as pretty_ext
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from IPython.external import pretty
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from IPython.utils.traitlets import Bool
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#-----------------------------------------------------------------------------
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# Tests
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#-----------------------------------------------------------------------------
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class InteractiveShellStub(Component):
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pprint = Bool(True)
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class A(object):
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pass
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def a_pprinter(o, p, c):
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return p.text("<A>")
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class TestPrettyResultDisplay(TestCase):
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def setUp(self):
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self.ip = InteractiveShellStub(None)
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# This allows our stub to be retrieved instead of the real InteractiveShell
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masquerade_as(self.ip, InteractiveShell)
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self.prd = pretty_ext.PrettyResultDisplay(self.ip, name='pretty_result_display')
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def test_for_type(self):
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self.prd.for_type(A, a_pprinter)
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a = A()
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result = pretty.pretty(a)
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self.assertEquals(result, "<A>")
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