Fix config loader test for Python 3.

IPython/config/tests/test_loader.py

@@ -1,225 +1,225 b''
 # encoding: utf-8
 """
 Tests for IPython.config.loader
 
 Authors:
 
 * Brian Granger
 * Fernando Perez (design help)
 """
 
 #-----------------------------------------------------------------------------
 #  Copyright (C) 2008-2009  The IPython Development Team
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 import os
 import sys
 from tempfile import mkstemp
 from unittest import TestCase
 
 from nose import SkipTest
 
 from IPython.testing.tools import mute_warn
 
 from IPython.utils.traitlets import Int, Unicode
 from IPython.config.configurable import Configurable
 from IPython.config.loader import (
     Config,
     PyFileConfigLoader,
     KeyValueConfigLoader,
     ArgParseConfigLoader,
     ConfigError
 )
 
 #-----------------------------------------------------------------------------
 # Actual tests
 #-----------------------------------------------------------------------------
 
 
 pyfile = """
 c = get_config()
 c.a=10
 c.b=20
 c.Foo.Bar.value=10
-c.Foo.Bam.value=range(10)
+c.Foo.Bam.value=list(range(10))  # list() is just so it's the same on Python 3
 c.D.C.value='hi there'
 """
 
 class TestPyFileCL(TestCase):
 
     def test_basic(self):
         fd, fname = mkstemp('.py')
         f = os.fdopen(fd, 'w')
         f.write(pyfile)
         f.close()
         # Unlink the file
         cl = PyFileConfigLoader(fname)
         config = cl.load_config()
         self.assertEquals(config.a, 10)
         self.assertEquals(config.b, 20)
         self.assertEquals(config.Foo.Bar.value, 10)
         self.assertEquals(config.Foo.Bam.value, range(10))
         self.assertEquals(config.D.C.value, 'hi there')
 
 class MyLoader1(ArgParseConfigLoader):
     def _add_arguments(self, aliases=None, flags=None):
         p = self.parser
         p.add_argument('-f', '--foo', dest='Global.foo', type=str)
         p.add_argument('-b', dest='MyClass.bar', type=int)
         p.add_argument('-n', dest='n', action='store_true')
         p.add_argument('Global.bam', type=str)
 
 class MyLoader2(ArgParseConfigLoader):
     def _add_arguments(self, aliases=None, flags=None):
         subparsers = self.parser.add_subparsers(dest='subparser_name')
         subparser1 = subparsers.add_parser('1')
         subparser1.add_argument('-x',dest='Global.x')
         subparser2 = subparsers.add_parser('2')
         subparser2.add_argument('y')
 
 class TestArgParseCL(TestCase):
 
     def test_basic(self):
         cl = MyLoader1()
         config = cl.load_config('-f hi -b 10 -n wow'.split())
         self.assertEquals(config.Global.foo, 'hi')
         self.assertEquals(config.MyClass.bar, 10)
         self.assertEquals(config.n, True)
         self.assertEquals(config.Global.bam, 'wow')
         config = cl.load_config(['wow'])
         self.assertEquals(config.keys(), ['Global'])
         self.assertEquals(config.Global.keys(), ['bam'])
         self.assertEquals(config.Global.bam, 'wow')
 
     def test_add_arguments(self):
         cl = MyLoader2()
         config = cl.load_config('2 frobble'.split())
         self.assertEquals(config.subparser_name, '2')
         self.assertEquals(config.y, 'frobble')
         config = cl.load_config('1 -x frobble'.split())
         self.assertEquals(config.subparser_name, '1')
         self.assertEquals(config.Global.x, 'frobble')
 
     def test_argv(self):
         cl = MyLoader1(argv='-f hi -b 10 -n wow'.split())
         config = cl.load_config()
         self.assertEquals(config.Global.foo, 'hi')
         self.assertEquals(config.MyClass.bar, 10)
         self.assertEquals(config.n, True)
         self.assertEquals(config.Global.bam, 'wow')
 
 
 class TestKeyValueCL(TestCase):
 
     def test_basic(self):
         cl = KeyValueConfigLoader()
         argv = ['--'+s.strip('c.') for s in pyfile.split('\n')[2:-1]]
         with mute_warn():
             config = cl.load_config(argv)
         self.assertEquals(config.a, 10)
         self.assertEquals(config.b, 20)
         self.assertEquals(config.Foo.Bar.value, 10)
         self.assertEquals(config.Foo.Bam.value, range(10))
         self.assertEquals(config.D.C.value, 'hi there')
     
     def test_extra_args(self):
         cl = KeyValueConfigLoader()
         with mute_warn():
             config = cl.load_config(['--a=5', 'b', '--c=10', 'd'])
         self.assertEquals(cl.extra_args, ['b', 'd'])
         self.assertEquals(config.a, 5)
         self.assertEquals(config.c, 10)
         with mute_warn():
             config = cl.load_config(['--', '--a=5', '--c=10'])
         self.assertEquals(cl.extra_args, ['--a=5', '--c=10'])
     
     def test_unicode_args(self):
         cl = KeyValueConfigLoader()
         argv = [u'--a=épsîlön']
         with mute_warn():
             config = cl.load_config(argv)
         self.assertEquals(config.a, u'épsîlön')
     
     def test_unicode_bytes_args(self):
         uarg = u'--a=é'
         try:
             barg = uarg.encode(sys.stdin.encoding)
         except (TypeError, UnicodeEncodeError):
             raise SkipTest("sys.stdin.encoding can't handle 'é'")
         
         cl = KeyValueConfigLoader()
         with mute_warn():
             config = cl.load_config([barg])
         self.assertEquals(config.a, u'é')
 
 
 class TestConfig(TestCase):
 
     def test_setget(self):
         c = Config()
         c.a = 10
         self.assertEquals(c.a, 10)
         self.assertEquals(c.has_key('b'), False)
 
     def test_auto_section(self):
         c = Config()
         self.assertEquals(c.has_key('A'), True)
         self.assertEquals(c._has_section('A'), False)
         A = c.A
         A.foo = 'hi there'
         self.assertEquals(c._has_section('A'), True)
         self.assertEquals(c.A.foo, 'hi there')
         del c.A
         self.assertEquals(len(c.A.keys()),0)
 
     def test_merge_doesnt_exist(self):
         c1 = Config()
         c2 = Config()
         c2.bar = 10
         c2.Foo.bar = 10
         c1._merge(c2)
         self.assertEquals(c1.Foo.bar, 10)
         self.assertEquals(c1.bar, 10)
         c2.Bar.bar = 10
         c1._merge(c2)
         self.assertEquals(c1.Bar.bar, 10)
 
     def test_merge_exists(self):
         c1 = Config()
         c2 = Config()
         c1.Foo.bar = 10
         c1.Foo.bam = 30
         c2.Foo.bar = 20
         c2.Foo.wow = 40
         c1._merge(c2)
         self.assertEquals(c1.Foo.bam, 30)
         self.assertEquals(c1.Foo.bar, 20)
         self.assertEquals(c1.Foo.wow, 40)
         c2.Foo.Bam.bam = 10
         c1._merge(c2)
         self.assertEquals(c1.Foo.Bam.bam, 10)
 
     def test_deepcopy(self):
         c1 = Config()
         c1.Foo.bar = 10
         c1.Foo.bam = 30
         c1.a = 'asdf'
         c1.b = range(10)
         import copy
         c2 = copy.deepcopy(c1)
         self.assertEquals(c1, c2)
         self.assert_(c1 is not c2)
         self.assert_(c1.Foo is not c2.Foo)
 
     def test_builtin(self):
         c1 = Config()
         exec 'foo = True' in c1
         self.assertEquals(c1.foo, True)
         self.assertRaises(ConfigError, setattr, c1, 'ValueError', 10)