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# encoding: utf-8
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"""This file contains unittests for the
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IPython.frontend.cocoa.cocoa_frontend module.
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"""
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__docformat__ = "restructuredtext en"
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#---------------------------------------------------------------------------
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# Copyright (C) 2005-2011 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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# Tell nose to skip this module
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__test__ = {}
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from twisted.trial import unittest
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from twisted.internet.defer import succeed
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from IPython.kernel.core.interpreter import Interpreter
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import IPython.kernel.engineservice as es
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try:
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from IPython.frontend.cocoa.cocoa_frontend import IPythonCocoaController
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from Foundation import NSMakeRect
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from AppKit import NSTextView, NSScrollView
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except ImportError:
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# This tells twisted.trial to skip this module if PyObjC is not found
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skip = True
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#---------------------------------------------------------------------------
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# Tests
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#---------------------------------------------------------------------------
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class TestIPythonCocoaControler(unittest.TestCase):
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"""Tests for IPythonCocoaController"""
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def setUp(self):
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self.controller = IPythonCocoaController.alloc().init()
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self.engine = es.EngineService()
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self.engine.startService()
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def tearDown(self):
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self.controller = None
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self.engine.stopService()
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def testControllerExecutesCode(self):
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code ="""5+5"""
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expected = Interpreter().execute(code)
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del expected['number']
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def removeNumberAndID(result):
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del result['number']
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del result['id']
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return result
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d = self.controller.execute(code)
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d.addCallback(removeNumberAndID)
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d.addCallback(lambda r: self.assertEquals(r, expected))
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def testControllerMirrorsUserNSWithValuesAsStrings(self):
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code = """userns1=1;userns2=2"""
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def testControllerUserNS(result):
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self.assertEquals(self.controller.userNS['userns1'], 1)
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self.assertEquals(self.controller.userNS['userns2'], 2)
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self.controller.execute(code).addCallback(testControllerUserNS)
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def testControllerInstantiatesIEngine(self):
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self.assert_(es.IEngineBase.providedBy(self.controller.engine))
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def testControllerCompletesToken(self):
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code = """longNameVariable=10"""
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def testCompletes(result):
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self.assert_("longNameVariable" in result)
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def testCompleteToken(result):
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self.controller.complete("longNa").addCallback(testCompletes)
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self.controller.execute(code).addCallback(testCompletes)
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def testCurrentIndent(self):
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"""test that current_indent_string returns current indent or None.
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Uses _indent_for_block for direct unit testing.
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"""
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self.controller.tabUsesSpaces = True
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self.assert_(self.controller._indent_for_block("""a=3""") == None)
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self.assert_(self.controller._indent_for_block("") == None)
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block = """def test():\n a=3"""
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self.assert_(self.controller._indent_for_block(block) == \
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' ' * self.controller.tabSpaces)
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block = """if(True):\n%sif(False):\n%spass""" % \
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(' '*self.controller.tabSpaces,
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2*' '*self.controller.tabSpaces)
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self.assert_(self.controller._indent_for_block(block) == \
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2*(' '*self.controller.tabSpaces))
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