Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

166 lines (135 sloc) 5.277 kb
# encoding: utf-8
"""
Tests for IPython.config.configurable
Authors:
* Brian Granger
* Fernando Perez (design help)
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2008-2010 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
#-----------------------------------------------------------------------------
from unittest import TestCase
from IPython.config.configurable import (
Configurable,
SingletonConfigurable
)
from IPython.utils.traitlets import (
Int, Float, Unicode
)
from IPython.config.loader import Config
#-----------------------------------------------------------------------------
# Test cases
#-----------------------------------------------------------------------------
class MyConfigurable(Configurable):
a = Int(1, config=True, help="The integer a.")
b = Float(1.0, config=True, help="The integer b.")
c = Unicode('no config')
mc_help=u"""MyConfigurable options
----------------------
--MyConfigurable.a=<Int>
Default: 1
The integer a.
--MyConfigurable.b=<Float>
Default: 1.0
The integer b."""
class Foo(Configurable):
a = Int(0, config=True, help="The integer a.")
b = Unicode('nope', config=True)
class Bar(Foo):
b = Unicode('gotit', config=False, help="The string b.")
c = Float(config=True, help="The string c.")
class TestConfigurable(TestCase):
def test_default(self):
c1 = Configurable()
c2 = Configurable(config=c1.config)
c3 = Configurable(config=c2.config)
self.assertEquals(c1.config, c2.config)
self.assertEquals(c2.config, c3.config)
def test_custom(self):
config = Config()
config.foo = 'foo'
config.bar = 'bar'
c1 = Configurable(config=config)
c2 = Configurable(config=c1.config)
c3 = Configurable(config=c2.config)
self.assertEquals(c1.config, config)
self.assertEquals(c2.config, config)
self.assertEquals(c3.config, config)
# Test that copies are not made
self.assert_(c1.config is config)
self.assert_(c2.config is config)
self.assert_(c3.config is config)
self.assert_(c1.config is c2.config)
self.assert_(c2.config is c3.config)
def test_inheritance(self):
config = Config()
config.MyConfigurable.a = 2
config.MyConfigurable.b = 2.0
c1 = MyConfigurable(config=config)
c2 = MyConfigurable(config=c1.config)
self.assertEquals(c1.a, config.MyConfigurable.a)
self.assertEquals(c1.b, config.MyConfigurable.b)
self.assertEquals(c2.a, config.MyConfigurable.a)
self.assertEquals(c2.b, config.MyConfigurable.b)
def test_parent(self):
config = Config()
config.Foo.a = 10
config.Foo.b = "wow"
config.Bar.b = 'later'
config.Bar.c = 100.0
f = Foo(config=config)
b = Bar(config=f.config)
self.assertEquals(f.a, 10)
self.assertEquals(f.b, 'wow')
self.assertEquals(b.b, 'gotit')
self.assertEquals(b.c, 100.0)
def test_override1(self):
config = Config()
config.MyConfigurable.a = 2
config.MyConfigurable.b = 2.0
c = MyConfigurable(a=3, config=config)
self.assertEquals(c.a, 3)
self.assertEquals(c.b, config.MyConfigurable.b)
self.assertEquals(c.c, 'no config')
def test_override2(self):
config = Config()
config.Foo.a = 1
config.Bar.b = 'or' # Up above b is config=False, so this won't do it.
config.Bar.c = 10.0
c = Bar(config=config)
self.assertEquals(c.a, config.Foo.a)
self.assertEquals(c.b, 'gotit')
self.assertEquals(c.c, config.Bar.c)
c = Bar(a=2, b='and', c=20.0, config=config)
self.assertEquals(c.a, 2)
self.assertEquals(c.b, 'and')
self.assertEquals(c.c, 20.0)
def test_help(self):
self.assertEquals(MyConfigurable.class_get_help(), mc_help)
class TestSingletonConfigurable(TestCase):
def test_instance(self):
from IPython.config.configurable import SingletonConfigurable
class Foo(SingletonConfigurable): pass
self.assertEquals(Foo.initialized(), False)
foo = Foo.instance()
self.assertEquals(Foo.initialized(), True)
self.assertEquals(foo, Foo.instance())
self.assertEquals(SingletonConfigurable._instance, None)
def test_inheritance(self):
class Bar(SingletonConfigurable): pass
class Bam(Bar): pass
self.assertEquals(Bar.initialized(), False)
self.assertEquals(Bam.initialized(), False)
bam = Bam.instance()
bam == Bar.instance()
self.assertEquals(Bar.initialized(), True)
self.assertEquals(Bam.initialized(), True)
self.assertEquals(bam, Bam._instance)
self.assertEquals(bam, Bar._instance)
self.assertEquals(SingletonConfigurable._instance, None)
Jump to Line
Something went wrong with that request. Please try again.