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ORPA-pyOpenRPA/Resources/WPy64-3720/python-3.7.2.amd64/Lib/site-packages/traitlets/config/tests/test_configurable.py

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"""Tests for traitlets.config.configurable"""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
import logging
from unittest import TestCase
from pytest import mark
from traitlets.config.configurable import (
Configurable,
LoggingConfigurable,
SingletonConfigurable,
)
from traitlets.log import get_logger
from traitlets.traitlets import (
Integer, Float, Unicode, List, Dict, Set, Enum, FuzzyEnum,
CaselessStrEnum, _deprecations_shown, validate,
)
from traitlets.config.loader import Config
from ...tests._warnings import expected_warnings
class MyConfigurable(Configurable):
a = Integer(1, help="The integer a.").tag(config=True)
b = Float(1.0, help="The integer b.").tag(config=True)
c = Unicode('no config')
mc_help = """MyConfigurable(Configurable) options
------------------------------------
--MyConfigurable.a=<Integer>
The integer a.
Default: 1
--MyConfigurable.b=<Float>
The integer b.
Default: 1.0"""
mc_help_inst="""MyConfigurable(Configurable) options
------------------------------------
--MyConfigurable.a=<Integer>
The integer a.
Current: 5
--MyConfigurable.b=<Float>
The integer b.
Current: 4.0"""
# On Python 3, the Integer trait is a synonym for Int
mc_help = mc_help.replace("<Integer>", "<Int>")
mc_help_inst = mc_help_inst.replace("<Integer>", "<Int>")
class Foo(Configurable):
a = Integer(0, help="The integer a.").tag(config=True)
b = Unicode('nope').tag(config=True)
flist = List([]).tag(config=True)
fdict = Dict().tag(config=True)
class Bar(Foo):
b = Unicode('gotit', help="The string b.").tag(config=False)
c = Float(help="The string c.").tag(config=True)
bset = Set([]).tag(config=True, multiplicity='+')
bset_values = Set([2,1,5]).tag(config=True, multiplicity='+')
bdict = Dict().tag(config=True, multiplicity='+')
bdict_values = Dict({1:'a','0':'b',5:'c'}).tag(config=True, multiplicity='+')
foo_help="""Foo(Configurable) options
-------------------------
--Foo.a=<Int>
The integer a.
Default: 0
--Foo.b=<Unicode>
Default: 'nope'
--Foo.fdict=<key-1>=<value-1>...
Default: {}
--Foo.flist=<list-item-1>...
Default: []"""
bar_help="""Bar(Foo) options
----------------
--Bar.a=<Int>
The integer a.
Default: 0
--Bar.bdict <key-1>=<value-1>...
Default: {}
--Bar.bdict_values <key-1>=<value-1>...
Default: {1: 'a', '0': 'b', 5: 'c'}
--Bar.bset <set-item-1>...
Default: set()
--Bar.bset_values <set-item-1>...
Default: {1, 2, 5}
--Bar.c=<Float>
The string c.
Default: 0.0
--Bar.fdict=<key-1>=<value-1>...
Default: {}
--Bar.flist=<list-item-1>...
Default: []"""
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)
with expected_warnings(['`b` not recognized']):
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
with expected_warnings(['`b` not recognized']):
c = Bar(config=config)
self.assertEqual(c.a, config.Foo.a)
self.assertEqual(c.b, 'gotit')
self.assertEqual(c.c, config.Bar.c)
with expected_warnings(['`b` not recognized']):
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)
self.assertEqual(Foo.class_get_help(), foo_help)
self.assertEqual(Bar.class_get_help(), bar_help)
def test_help_inst(self):
inst = MyConfigurable(a=5, b=4)
self.assertEqual(MyConfigurable.class_get_help(inst), mc_help_inst)
def test_generated_config_enum_comments(self):
class MyConf(Configurable):
an_enum = Enum('Choice1 choice2'.split(),
help="Many choices.").tag(config=True)
help_str = "Many choices."
enum_choices_str = "Choices: any of ['Choice1', 'choice2']"
rst_choices_str = "MyConf.an_enum : any of ``'Choice1'``|``'choice2'``"
or_none_str = "or None"
cls_help = MyConf.class_get_help()
self.assertIn(help_str, cls_help)
self.assertIn(enum_choices_str, cls_help)
self.assertNotIn(or_none_str, cls_help)
cls_cfg = MyConf.class_config_section()
self.assertIn(help_str, cls_cfg)
self.assertIn(enum_choices_str, cls_cfg)
self.assertNotIn(or_none_str, cls_help)
## Check order of Help-msg <--> Choices sections
self.assertGreater(cls_cfg.index(enum_choices_str),
cls_cfg.index(help_str))
rst_help = MyConf.class_config_rst_doc()
self.assertIn(help_str, rst_help)
self.assertIn(rst_choices_str, rst_help)
self.assertNotIn(or_none_str, rst_help)
class MyConf2(Configurable):
an_enum = Enum('Choice1 choice2'.split(),
allow_none=True,
default_value='choice2',
help="Many choices.").tag(config=True)
defaults_str = "Default: 'choice2'"
cls2_msg = MyConf2.class_get_help()
self.assertIn(help_str, cls2_msg)
self.assertIn(enum_choices_str, cls2_msg)
self.assertIn(or_none_str, cls2_msg)
self.assertIn(defaults_str, cls2_msg)
## Check order of Default <--> Choices sections
self.assertGreater(cls2_msg.index(defaults_str),
cls2_msg.index(enum_choices_str))
cls2_cfg = MyConf2.class_config_section()
self.assertIn(help_str, cls2_cfg)
self.assertIn(enum_choices_str, cls2_cfg)
self.assertIn(or_none_str, cls2_cfg)
self.assertIn(defaults_str, cls2_cfg)
## Check order of Default <--> Choices sections
self.assertGreater(cls2_cfg.index(defaults_str),
cls2_cfg.index(enum_choices_str))
def test_generated_config_strenum_comments(self):
help_str = "Many choices."
defaults_str = "Default: 'choice2'"
or_none_str = "or None"
class MyConf3(Configurable):
an_enum = CaselessStrEnum('Choice1 choice2'.split(),
allow_none=True,
default_value='choice2',
help="Many choices.").tag(config=True)
enum_choices_str = ("Choices: any of ['Choice1', 'choice2'] "
"(case-insensitive)")
cls3_msg = MyConf3.class_get_help()
self.assertIn(help_str, cls3_msg)
self.assertIn(enum_choices_str, cls3_msg)
self.assertIn(or_none_str, cls3_msg)
self.assertIn(defaults_str, cls3_msg)
## Check order of Default <--> Choices sections
self.assertGreater(cls3_msg.index(defaults_str),
cls3_msg.index(enum_choices_str))
cls3_cfg = MyConf3.class_config_section()
self.assertIn(help_str, cls3_cfg)
self.assertIn(enum_choices_str, cls3_cfg)
self.assertIn(or_none_str, cls3_cfg)
self.assertIn(defaults_str, cls3_cfg)
## Check order of Default <--> Choices sections
self.assertGreater(cls3_cfg.index(defaults_str),
cls3_cfg.index(enum_choices_str))
class MyConf4(Configurable):
an_enum = FuzzyEnum('Choice1 choice2'.split(),
allow_none=True,
default_value='choice2',
help="Many choices.").tag(config=True)
enum_choices_str = ("Choices: any case-insensitive prefix "
"of ['Choice1', 'choice2']")
cls4_msg = MyConf4.class_get_help()
self.assertIn(help_str, cls4_msg)
self.assertIn(enum_choices_str, cls4_msg)
self.assertIn(or_none_str, cls4_msg)
self.assertIn(defaults_str, cls4_msg)
## Check order of Default <--> Choices sections
self.assertGreater(cls4_msg.index(defaults_str),
cls4_msg.index(enum_choices_str))
cls4_cfg = MyConf4.class_config_section()
self.assertIn(help_str, cls4_cfg)
self.assertIn(enum_choices_str, cls4_cfg)
self.assertIn(or_none_str, cls4_cfg)
self.assertIn(defaults_str, cls4_cfg)
## Check order of Default <--> Choices sections
self.assertGreater(cls4_cfg.index(defaults_str),
cls4_cfg.index(enum_choices_str))
class TestSingletonConfigurable(TestCase):
def test_instance(self):
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()
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 TestLoggingConfigurable(TestCase):
def test_parent_logger(self):
class Parent(LoggingConfigurable): pass
class Child(LoggingConfigurable): pass
log = get_logger().getChild("TestLoggingConfigurable")
parent = Parent(log=log)
child = Child(parent=parent)
self.assertEqual(parent.log, log)
self.assertEqual(child.log, log)
parent = Parent()
child = Child(parent=parent, log=log)
self.assertEqual(parent.log, get_logger())
self.assertEqual(child.log, log)
def test_parent_not_logging_configurable(self):
class Parent(Configurable): pass
class Child(LoggingConfigurable): pass
parent = Parent()
child = Child(parent=parent)
self.assertEqual(child.log, get_logger())
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_multi_parent(self):
cfg = Config({
'MyParent2' : {
'MyParent' : {
'MyConfigurable' : {
'b' : 2.0,
}
},
# this one shouldn't count
'MyConfigurable' : {
'b' : 3.0,
},
}
})
parent2 = MyParent2(config=cfg)
parent = MyParent(parent=parent2)
myc = MyConfigurable(parent=parent)
self.assertEqual(myc.b, parent.config.MyParent2.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)
def test_multi_parent_priority(self):
cfg = Config({
'MyConfigurable': {
'b': 2.0,
},
'MyParent': {
'MyConfigurable': {
'b': 3.0,
},
},
'MyParent2': {
'MyConfigurable': {
'b': 4.0,
},
'MyParent': {
'MyConfigurable': {
'b': 5.0,
},
},
},
})
parent2 = MyParent2(config=cfg)
parent = MyParent2(parent=parent2)
myc = MyConfigurable(parent=parent)
self.assertEqual(myc.b, parent.config.MyParent2.MyParent.MyConfigurable.b)
class Containers(Configurable):
lis = List().tag(config=True)
def _lis_default(self):
return [-1]
s = Set().tag(config=True)
def _s_default(self):
return {'a'}
d = Dict().tag(config=True)
def _d_default(self):
return {'a' : 'b'}
class TestConfigContainers(TestCase):
def test_extend(self):
c = Config()
c.Containers.lis.extend(list(range(5)))
obj = Containers(config=c)
self.assertEqual(obj.lis, list(range(-1,5)))
def test_insert(self):
c = Config()
c.Containers.lis.insert(0, 'a')
c.Containers.lis.insert(1, 'b')
obj = Containers(config=c)
self.assertEqual(obj.lis, ['a', 'b', -1])
def test_prepend(self):
c = Config()
c.Containers.lis.prepend([1,2])
c.Containers.lis.prepend([2,3])
obj = Containers(config=c)
self.assertEqual(obj.lis, [2,3,1,2,-1])
def test_prepend_extend(self):
c = Config()
c.Containers.lis.prepend([1,2])
c.Containers.lis.extend([2,3])
obj = Containers(config=c)
self.assertEqual(obj.lis, [1,2,-1,2,3])
def test_append_extend(self):
c = Config()
c.Containers.lis.append([1,2])
c.Containers.lis.extend([2,3])
obj = Containers(config=c)
self.assertEqual(obj.lis, [-1,[1,2],2,3])
def test_extend_append(self):
c = Config()
c.Containers.lis.extend([2,3])
c.Containers.lis.append([1,2])
obj = Containers(config=c)
self.assertEqual(obj.lis, [-1,2,3,[1,2]])
def test_insert_extend(self):
c = Config()
c.Containers.lis.insert(0, 1)
c.Containers.lis.extend([2,3])
obj = Containers(config=c)
self.assertEqual(obj.lis, [1,-1,2,3])
def test_set_update(self):
c = Config()
c.Containers.s.update({0,1,2})
c.Containers.s.update({3})
obj = Containers(config=c)
self.assertEqual(obj.s, {'a', 0, 1, 2, 3})
def test_dict_update(self):
c = Config()
c.Containers.d.update({'c' : 'd'})
c.Containers.d.update({'e' : 'f'})
obj = Containers(config=c)
self.assertEqual(obj.d, {'a':'b', 'c':'d', 'e':'f'})
def test_update_twice(self):
c = Config()
c.MyConfigurable.a = 5
m = MyConfigurable(config=c)
self.assertEqual(m.a, 5)
c2 = Config()
c2.MyConfigurable.a = 10
m.update_config(c2)
self.assertEqual(m.a, 10)
c2.MyConfigurable.a = 15
m.update_config(c2)
self.assertEqual(m.a, 15)
def test_update_self(self):
"""update_config with same config object still triggers config_changed"""
c = Config()
c.MyConfigurable.a = 5
m = MyConfigurable(config=c)
self.assertEqual(m.a, 5)
c.MyConfigurable.a = 10
m.update_config(c)
self.assertEqual(m.a, 10)
def test_config_default(self):
class SomeSingleton(SingletonConfigurable):
pass
class DefaultConfigurable(Configurable):
a = Integer().tag(config=True)
def _config_default(self):
if SomeSingleton.initialized():
return SomeSingleton.instance().config
return Config()
c = Config()
c.DefaultConfigurable.a = 5
d1 = DefaultConfigurable()
self.assertEqual(d1.a, 0)
single = SomeSingleton.instance(config=c)
d2 = DefaultConfigurable()
self.assertIs(d2.config, single.config)
self.assertEqual(d2.a, 5)
def test_config_default_deprecated(self):
"""Make sure configurables work even with the deprecations in traitlets"""
class SomeSingleton(SingletonConfigurable):
pass
# reset deprecation limiter
_deprecations_shown.clear()
with expected_warnings([]):
class DefaultConfigurable(Configurable):
a = Integer(config=True)
def _config_default(self):
if SomeSingleton.initialized():
return SomeSingleton.instance().config
return Config()
c = Config()
c.DefaultConfigurable.a = 5
d1 = DefaultConfigurable()
self.assertEqual(d1.a, 0)
single = SomeSingleton.instance(config=c)
d2 = DefaultConfigurable()
self.assertIs(d2.config, single.config)
self.assertEqual(d2.a, 5)
def test_kwarg_config_priority(self):
# a, c set in kwargs
# a, b set in config
# verify that:
# - kwargs are set before config
# - kwargs have priority over config
class A(Configurable):
a = Unicode('default', config=True)
b = Unicode('default', config=True)
c = Unicode('default', config=True)
c_during_config = Unicode('never')
@validate('b')
def _record_c(self, proposal):
# setting b from config records c's value at the time
self.c_during_config = self.c
return proposal.value
cfg = Config()
cfg.A.a = 'a-config'
cfg.A.b = 'b-config'
obj = A(a='a-kwarg', c='c-kwarg', config=cfg)
assert obj.a == 'a-kwarg'
assert obj.b == 'b-config'
assert obj.c == 'c-kwarg'
assert obj.c_during_config == 'c-kwarg'
class TestLogger(TestCase):
class A(LoggingConfigurable):
foo = Integer(config=True)
bar = Integer(config=True)
baz = Integer(config=True)
@mark.skipif(not hasattr(TestCase, 'assertLogs'), reason='requires TestCase.assertLogs')
def test_warn_match(self):
logger = logging.getLogger('test_warn_match')
cfg = Config({'A': {'bat': 5}})
with self.assertLogs(logger, logging.WARNING) as captured:
TestLogger.A(config=cfg, log=logger)
output = '\n'.join(captured.output)
self.assertIn('Did you mean one of: `bar, baz`?', output)
self.assertIn('Config option `bat` not recognized by `A`.', output)
cfg = Config({'A': {'fool': 5}})
with self.assertLogs(logger, logging.WARNING) as captured:
TestLogger.A(config=cfg, log=logger)
output = '\n'.join(captured.output)
self.assertIn('Config option `fool` not recognized by `A`.', output)
self.assertIn('Did you mean `foo`?', output)
cfg = Config({'A': {'totally_wrong': 5}})
with self.assertLogs(logger, logging.WARNING) as captured:
TestLogger.A(config=cfg, log=logger)
output = '\n'.join(captured.output)
self.assertIn('Config option `totally_wrong` not recognized by `A`.', output)
self.assertNotIn('Did you mean', output)
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