|
|
# encoding: utf-8
|
|
|
"""
|
|
|
Tests for IPython.config.configurable
|
|
|
|
|
|
Authors:
|
|
|
|
|
|
* Brian Granger
|
|
|
* Fernando Perez (design help)
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2008-2011 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 (
|
|
|
Integer, Float, Unicode
|
|
|
)
|
|
|
|
|
|
from IPython.config.loader import Config
|
|
|
from IPython.utils.py3compat import PY3
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Test cases
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
class MyConfigurable(Configurable):
|
|
|
a = Integer(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=<Integer>
|
|
|
Default: 1
|
|
|
The integer a.
|
|
|
--MyConfigurable.b=<Float>
|
|
|
Default: 1.0
|
|
|
The integer b."""
|
|
|
|
|
|
mc_help_inst=u"""MyConfigurable options
|
|
|
----------------------
|
|
|
--MyConfigurable.a=<Integer>
|
|
|
Current: 5
|
|
|
The integer a.
|
|
|
--MyConfigurable.b=<Float>
|
|
|
Current: 4.0
|
|
|
The integer b."""
|
|
|
|
|
|
# On Python 3, the Integer trait is a synonym for Int
|
|
|
if PY3:
|
|
|
mc_help = mc_help.replace(u"<Integer>", u"<Int>")
|
|
|
mc_help_inst = mc_help_inst.replace(u"<Integer>", u"<Int>")
|
|
|
|
|
|
class Foo(Configurable):
|
|
|
a = Integer(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.assertEqual(c1.config, c2.config)
|
|
|
self.assertEqual(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.assertEqual(c1.config, config)
|
|
|
self.assertEqual(c2.config, config)
|
|
|
self.assertEqual(c3.config, config)
|
|
|
# Test that copies are not made
|
|
|
self.assertTrue(c1.config is config)
|
|
|
self.assertTrue(c2.config is config)
|
|
|
self.assertTrue(c3.config is config)
|
|
|
self.assertTrue(c1.config is c2.config)
|
|
|
self.assertTrue(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.assertEqual(c1.a, config.MyConfigurable.a)
|
|
|
self.assertEqual(c1.b, config.MyConfigurable.b)
|
|
|
self.assertEqual(c2.a, config.MyConfigurable.a)
|
|
|
self.assertEqual(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.assertEqual(f.a, 10)
|
|
|
self.assertEqual(f.b, 'wow')
|
|
|
self.assertEqual(b.b, 'gotit')
|
|
|
self.assertEqual(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.assertEqual(c.a, 3)
|
|
|
self.assertEqual(c.b, config.MyConfigurable.b)
|
|
|
self.assertEqual(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.assertEqual(c.a, config.Foo.a)
|
|
|
self.assertEqual(c.b, 'gotit')
|
|
|
self.assertEqual(c.c, config.Bar.c)
|
|
|
c = Bar(a=2, b='and', c=20.0, config=config)
|
|
|
self.assertEqual(c.a, 2)
|
|
|
self.assertEqual(c.b, 'and')
|
|
|
self.assertEqual(c.c, 20.0)
|
|
|
|
|
|
def test_help(self):
|
|
|
self.assertEqual(MyConfigurable.class_get_help(), mc_help)
|
|
|
|
|
|
def test_help_inst(self):
|
|
|
inst = MyConfigurable(a=5, b=4)
|
|
|
self.assertEqual(MyConfigurable.class_get_help(inst), mc_help_inst)
|
|
|
|
|
|
|
|
|
class TestSingletonConfigurable(TestCase):
|
|
|
|
|
|
def test_instance(self):
|
|
|
from IPython.config.configurable import SingletonConfigurable
|
|
|
class Foo(SingletonConfigurable): pass
|
|
|
self.assertEqual(Foo.initialized(), False)
|
|
|
foo = Foo.instance()
|
|
|
self.assertEqual(Foo.initialized(), True)
|
|
|
self.assertEqual(foo, Foo.instance())
|
|
|
self.assertEqual(SingletonConfigurable._instance, None)
|
|
|
|
|
|
def test_inheritance(self):
|
|
|
class Bar(SingletonConfigurable): pass
|
|
|
class Bam(Bar): pass
|
|
|
self.assertEqual(Bar.initialized(), False)
|
|
|
self.assertEqual(Bam.initialized(), False)
|
|
|
bam = Bam.instance()
|
|
|
bam == Bar.instance()
|
|
|
self.assertEqual(Bar.initialized(), True)
|
|
|
self.assertEqual(Bam.initialized(), True)
|
|
|
self.assertEqual(bam, Bam._instance)
|
|
|
self.assertEqual(bam, Bar._instance)
|
|
|
self.assertEqual(SingletonConfigurable._instance, None)
|
|
|
|
|
|
|
|
|
class MyParent(Configurable):
|
|
|
pass
|
|
|
|
|
|
class MyParent2(MyParent):
|
|
|
pass
|
|
|
|
|
|
class TestParentConfigurable(TestCase):
|
|
|
|
|
|
def test_parent_config(self):
|
|
|
|
|
|
cfg = Config({
|
|
|
'MyParent' : {
|
|
|
'MyConfigurable' : {
|
|
|
'b' : 2.0,
|
|
|
}
|
|
|
}
|
|
|
})
|
|
|
parent = MyParent(config=cfg)
|
|
|
myc = MyConfigurable(parent=parent)
|
|
|
self.assertEqual(myc.b, parent.config.MyParent.MyConfigurable.b)
|
|
|
|
|
|
def test_parent_inheritance(self):
|
|
|
|
|
|
cfg = Config({
|
|
|
'MyParent' : {
|
|
|
'MyConfigurable' : {
|
|
|
'b' : 2.0,
|
|
|
}
|
|
|
}
|
|
|
})
|
|
|
parent = MyParent2(config=cfg)
|
|
|
myc = MyConfigurable(parent=parent)
|
|
|
self.assertEqual(myc.b, parent.config.MyParent.MyConfigurable.b)
|
|
|
|
|
|
def test_parent_priority(self):
|
|
|
|
|
|
cfg = Config({
|
|
|
'MyConfigurable' : {
|
|
|
'b' : 2.0,
|
|
|
},
|
|
|
'MyParent' : {
|
|
|
'MyConfigurable' : {
|
|
|
'b' : 3.0,
|
|
|
}
|
|
|
},
|
|
|
'MyParent2' : {
|
|
|
'MyConfigurable' : {
|
|
|
'b' : 4.0,
|
|
|
}
|
|
|
}
|
|
|
})
|
|
|
parent = MyParent2(config=cfg)
|
|
|
myc = MyConfigurable(parent=parent)
|
|
|
self.assertEqual(myc.b, parent.config.MyParent2.MyConfigurable.b)
|
|
|
|