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748 lines
22 KiB
748 lines
22 KiB
# encoding: utf-8
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"""Tests for traitlets.config.loader"""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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import copy
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import os
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import pickle
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from itertools import chain
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from tempfile import mkstemp
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from unittest import TestCase
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import pytest
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from traitlets.config.loader import (
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Config,
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LazyConfigValue,
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PyFileConfigLoader,
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JSONFileConfigLoader,
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KeyValueConfigLoader,
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ArgParseConfigLoader,
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KVArgParseConfigLoader,
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)
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from traitlets import (
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List,
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Tuple,
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Dict,
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Unicode,
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Integer,
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)
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from traitlets.config import Configurable
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pyfile = """
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c = get_config()
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c.a=10
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c.b=20
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c.Foo.Bar.value=10
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c.Foo.Bam.value=list(range(10))
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c.D.C.value='hi there'
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"""
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json1file = """
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{
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"version": 1,
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"a": 10,
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"b": 20,
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"Foo": {
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"Bam": {
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"value": [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ]
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},
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"Bar": {
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"value": 10
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}
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},
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"D": {
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"C": {
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"value": "hi there"
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}
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}
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}
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"""
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# should not load
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json2file = """
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{
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"version": 2
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}
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"""
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import logging
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log = logging.getLogger('devnull')
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log.setLevel(0)
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class TestFileCL(TestCase):
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def _check_conf(self, config):
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self.assertEqual(config.a, 10)
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self.assertEqual(config.b, 20)
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self.assertEqual(config.Foo.Bar.value, 10)
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self.assertEqual(config.Foo.Bam.value, list(range(10)))
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self.assertEqual(config.D.C.value, 'hi there')
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def test_python(self):
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fd, fname = mkstemp('.py', prefix='μnïcø∂e')
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f = os.fdopen(fd, 'w')
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f.write(pyfile)
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f.close()
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# Unlink the file
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cl = PyFileConfigLoader(fname, log=log)
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config = cl.load_config()
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self._check_conf(config)
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def test_json(self):
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fd, fname = mkstemp('.json', prefix='μnïcø∂e')
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f = os.fdopen(fd, 'w')
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f.write(json1file)
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f.close()
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# Unlink the file
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cl = JSONFileConfigLoader(fname, log=log)
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config = cl.load_config()
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self._check_conf(config)
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def test_context_manager(self):
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fd, fname = mkstemp('.json', prefix='μnïcø∂e')
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f = os.fdopen(fd, 'w')
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f.write('{}')
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f.close()
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cl = JSONFileConfigLoader(fname, log=log)
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value = 'context_manager'
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with cl as c:
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c.MyAttr.value = value
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self.assertEqual(cl.config.MyAttr.value, value)
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# check that another loader does see the change
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cl2 = JSONFileConfigLoader(fname, log=log)
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self.assertEqual(cl.config.MyAttr.value, value)
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def test_json_context_bad_write(self):
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fd, fname = mkstemp('.json', prefix='μnïcø∂e')
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f = os.fdopen(fd, 'w')
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f.write('{}')
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f.close()
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with JSONFileConfigLoader(fname, log=log) as config:
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config.A.b = 1
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with self.assertRaises(TypeError):
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with JSONFileConfigLoader(fname, log=log) as config:
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config.A.cant_json = lambda x: x
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loader = JSONFileConfigLoader(fname, log=log)
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cfg = loader.load_config()
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assert cfg.A.b == 1
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assert 'cant_json' not in cfg.A
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def test_collision(self):
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a = Config()
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b = Config()
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self.assertEqual(a.collisions(b), {})
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a.A.trait1 = 1
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b.A.trait2 = 2
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self.assertEqual(a.collisions(b), {})
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b.A.trait1 = 1
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self.assertEqual(a.collisions(b), {})
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b.A.trait1 = 0
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self.assertEqual(a.collisions(b), {
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'A': {
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'trait1': "1 ignored, using 0",
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}
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})
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self.assertEqual(b.collisions(a), {
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'A': {
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'trait1': "0 ignored, using 1",
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}
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})
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a.A.trait2 = 3
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self.assertEqual(b.collisions(a), {
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'A': {
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'trait1': "0 ignored, using 1",
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'trait2': "2 ignored, using 3",
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}
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})
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def test_v2raise(self):
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fd, fname = mkstemp('.json', prefix='μnïcø∂e')
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f = os.fdopen(fd, 'w')
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f.write(json2file)
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f.close()
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# Unlink the file
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cl = JSONFileConfigLoader(fname, log=log)
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with self.assertRaises(ValueError):
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cl.load_config()
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def _parse_int_or_str(v):
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try:
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return int(v)
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except:
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return str(v)
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class MyLoader1(ArgParseConfigLoader):
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def _add_arguments(self, aliases=None, flags=None, classes=None):
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p = self.parser
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p.add_argument('-f', '--foo', dest='Global.foo', type=str)
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p.add_argument('-b', dest='MyClass.bar', type=int)
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p.add_argument('-n', dest='n', action='store_true')
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p.add_argument('Global.bam', type=str)
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p.add_argument('--list1', action='append', type=_parse_int_or_str)
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p.add_argument('--list2', nargs='+', type=int)
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class MyLoader2(ArgParseConfigLoader):
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def _add_arguments(self, aliases=None, flags=None, classes=None):
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subparsers = self.parser.add_subparsers(dest='subparser_name')
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subparser1 = subparsers.add_parser('1')
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subparser1.add_argument('-x', dest='Global.x')
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subparser2 = subparsers.add_parser('2')
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subparser2.add_argument('y')
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class TestArgParseCL(TestCase):
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def test_basic(self):
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cl = MyLoader1()
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config = cl.load_config('-f hi -b 10 -n wow'.split())
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self.assertEqual(config.Global.foo, 'hi')
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self.assertEqual(config.MyClass.bar, 10)
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self.assertEqual(config.n, True)
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self.assertEqual(config.Global.bam, 'wow')
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config = cl.load_config(['wow'])
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self.assertEqual(list(config.keys()), ['Global'])
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self.assertEqual(list(config.Global.keys()), ['bam'])
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self.assertEqual(config.Global.bam, 'wow')
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def test_add_arguments(self):
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cl = MyLoader2()
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config = cl.load_config('2 frobble'.split())
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self.assertEqual(config.subparser_name, '2')
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self.assertEqual(config.y, 'frobble')
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config = cl.load_config('1 -x frobble'.split())
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self.assertEqual(config.subparser_name, '1')
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self.assertEqual(config.Global.x, 'frobble')
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def test_argv(self):
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cl = MyLoader1(argv='-f hi -b 10 -n wow'.split())
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config = cl.load_config()
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self.assertEqual(config.Global.foo, 'hi')
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self.assertEqual(config.MyClass.bar, 10)
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self.assertEqual(config.n, True)
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self.assertEqual(config.Global.bam, 'wow')
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def test_list_args(self):
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cl = MyLoader1()
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config = cl.load_config('--list1 1 wow --list2 1 2 3 --list1 B'.split())
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self.assertEqual(list(config.Global.keys()), ['bam'])
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self.assertEqual(config.Global.bam, 'wow')
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self.assertEqual(config.list1, [1, 'B'])
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self.assertEqual(config.list2, [1, 2, 3])
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class C(Configurable):
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str_trait = Unicode(config=True)
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int_trait = Integer(config=True)
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list_trait = List(config=True)
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list_of_ints = List(Integer(), config=True)
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dict_trait = Dict(config=True)
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dict_of_ints = Dict(
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key_trait=Integer(),
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value_trait=Integer(),
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config=True,
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)
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dict_multi = Dict(
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key_trait=Unicode(),
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per_key_traits={
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"int": Integer(),
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"str": Unicode(),
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},
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config=True,
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)
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class TestKeyValueCL(TestCase):
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klass = KeyValueConfigLoader
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def test_eval(self):
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cl = self.klass(log=log)
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config = cl.load_config('--C.str_trait=all --C.int_trait=5 --C.list_trait=["hello",5]'.split())
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c = C(config=config)
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assert c.str_trait == 'all'
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assert c.int_trait == 5
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assert c.list_trait == ["hello", 5]
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def test_basic(self):
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cl = self.klass(log=log)
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argv = [ '--' + s[2:] for s in pyfile.split('\n') if s.startswith('c.') ]
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config = cl.load_config(argv)
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assert config.a == '10'
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assert config.b == '20'
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assert config.Foo.Bar.value == '10'
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# non-literal expressions are not evaluated
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self.assertEqual(config.Foo.Bam.value, 'list(range(10))')
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self.assertEqual(Unicode().from_string(config.D.C.value), 'hi there')
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def test_expanduser(self):
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cl = self.klass(log=log)
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argv = ['--a=~/1/2/3', '--b=~', '--c=~/', '--d="~/"']
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config = cl.load_config(argv)
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u = Unicode()
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self.assertEqual(u.from_string(config.a), os.path.expanduser('~/1/2/3'))
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self.assertEqual(u.from_string(config.b), os.path.expanduser('~'))
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self.assertEqual(u.from_string(config.c), os.path.expanduser('~/'))
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self.assertEqual(u.from_string(config.d), '~/')
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def test_extra_args(self):
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cl = self.klass(log=log)
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config = cl.load_config(['--a=5', 'b', 'd', '--c=10'])
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self.assertEqual(cl.extra_args, ['b', 'd'])
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assert config.a == '5'
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assert config.c == '10'
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config = cl.load_config(['--', '--a=5', '--c=10'])
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self.assertEqual(cl.extra_args, ['--a=5', '--c=10'])
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cl = self.klass(log=log)
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config = cl.load_config(['extra', '--a=2', '--c=1', '--', '-'])
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self.assertEqual(cl.extra_args, ['extra', '-'])
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def test_unicode_args(self):
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cl = self.klass(log=log)
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argv = ['--a=épsîlön']
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config = cl.load_config(argv)
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print(config, cl.extra_args)
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self.assertEqual(config.a, 'épsîlön')
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def test_list_append(self):
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cl = self.klass(log=log)
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argv = ["--C.list_trait", "x", "--C.list_trait", "y"]
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config = cl.load_config(argv)
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assert config.C.list_trait == ["x", "y"]
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c = C(config=config)
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assert c.list_trait == ["x", "y"]
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def test_dict(self):
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cl = self.klass(log=log)
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argv = ["--C.dict_trait", "x=5", "--C.dict_trait", "y=10"]
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config = cl.load_config(argv)
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c = C(config=config)
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assert c.dict_trait == {"x": "5", "y": "10"}
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def test_dict_key_traits(self):
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cl = self.klass(log=log)
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argv = ["--C.dict_of_ints", "1=2", "--C.dict_of_ints", "3=4"]
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config = cl.load_config(argv)
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c = C(config=config)
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assert c.dict_of_ints == {1: 2, 3: 4}
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class CBase(Configurable):
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a = List().tag(config=True)
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b = List(Integer()).tag(config=True, multiplicity='*')
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c = List().tag(config=True, multiplicity='append')
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adict = Dict().tag(config=True)
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class CSub(CBase):
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d = Tuple().tag(config=True)
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e = Tuple().tag(config=True, multiplicity='+')
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bdict = Dict().tag(config=True, multiplicity='*')
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class TestArgParseKVCL(TestKeyValueCL):
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klass = KVArgParseConfigLoader
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def test_no_cast_literals(self):
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cl = self.klass(log=log)
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# test ipython -c 1 doesn't cast to int
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argv = ["-c", "1"]
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config = cl.load_config(argv, aliases=dict(c="IPython.command_to_run"))
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assert config.IPython.command_to_run == "1"
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def test_int_literals(self):
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cl = self.klass(log=log)
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# test ipython -c 1 doesn't cast to int
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argv = ["-c", "1"]
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config = cl.load_config(argv, aliases=dict(c="IPython.command_to_run"))
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assert config.IPython.command_to_run == "1"
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def test_unicode_alias(self):
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cl = self.klass(log=log)
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argv = ['--a=épsîlön']
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config = cl.load_config(argv, aliases=dict(a='A.a'))
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print(dict(config))
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print(cl.extra_args)
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print(cl.aliases)
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self.assertEqual(config.A.a, 'épsîlön')
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def test_expanduser2(self):
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cl = self.klass(log=log)
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argv = ['-a', '~/1/2/3', '--b', "'~/1/2/3'"]
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config = cl.load_config(argv, aliases=dict(a='A.a', b='A.b'))
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class A(Configurable):
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a = Unicode(config=True)
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b = Unicode(config=True)
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a = A(config=config)
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self.assertEqual(a.a, os.path.expanduser('~/1/2/3'))
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self.assertEqual(a.b, '~/1/2/3')
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def test_eval(self):
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cl = self.klass(log=log)
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argv = ['-c', 'a=5']
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config = cl.load_config(argv, aliases=dict(c='A.c'))
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self.assertEqual(config.A.c, "a=5")
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def test_seq_traits(self):
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cl = self.klass(log=log, classes=(CBase, CSub))
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aliases = {'a3': 'CBase.c', 'a5': 'CSub.e'}
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argv = ("--CBase.a A --CBase.a 2 --CBase.b 1 --CBase.b 3 --a3 AA --CBase.c BB "
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"--CSub.d 1 --CSub.d BBB --CSub.e 1 --CSub.e=bcd a b c ").split()
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config = cl.load_config(argv, aliases=aliases)
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assert cl.extra_args == ["a", "b", "c"]
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assert config.CBase.a == ['A', '2']
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assert config.CBase.b == [1, 3]
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self.assertEqual(config.CBase.c, ['AA', 'BB'])
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assert config.CSub.d == ('1', 'BBB')
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assert config.CSub.e == ('1', 'bcd')
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def test_seq_traits_single_empty_string(self):
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cl = self.klass(log=log, classes=(CBase, ))
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aliases = {'seqopt': 'CBase.c'}
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argv = ['--seqopt', '']
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config = cl.load_config(argv, aliases=aliases)
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self.assertEqual(config.CBase.c, [''])
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def test_dict_traits(self):
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cl = self.klass(log=log, classes=(CBase, CSub))
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aliases = {'D': 'CBase.adict', 'E': 'CSub.bdict'}
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argv = ["-D", "k1=v1", "-D=k2=2", "-D", "k3=v 3", "-E", "k=v", "-E", "22=222"]
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config = cl.load_config(argv, aliases=aliases)
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c = CSub(config=config)
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assert c.adict == {'k1': 'v1', 'k2': '2', 'k3': 'v 3'}
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assert c.bdict == {'k': 'v', '22': '222'}
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def test_mixed_seq_positional(self):
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aliases = {"c": "Class.trait"}
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cl = self.klass(log=log, aliases=aliases)
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assignments = [("-c", "1"), ("--Class.trait=2",), ("--c=3",), ("--Class.trait", "4")]
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positionals = ["a", "b", "c"]
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# test with positionals at any index
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for idx in range(len(assignments) + 1):
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argv_parts = assignments[:]
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argv_parts[idx:idx] = (positionals,)
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argv = list(chain(*argv_parts))
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config = cl.load_config(argv)
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assert config.Class.trait == ["1", "2", "3", "4"]
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assert cl.extra_args == ["a", "b", "c"]
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def test_split_positional(self):
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"""Splitting positionals across flags is no longer allowed in traitlets 5"""
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cl = self.klass(log=log)
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argv = ["a", "--Class.trait=5", "b"]
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with pytest.raises(SystemExit):
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cl.load_config(argv)
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class TestConfig(TestCase):
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def test_setget(self):
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c = Config()
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c.a = 10
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self.assertEqual(c.a, 10)
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self.assertEqual('b' in c, False)
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def test_auto_section(self):
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c = Config()
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self.assertNotIn('A', c)
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assert not c._has_section('A')
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A = c.A
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A.foo = 'hi there'
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self.assertIn('A', c)
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assert c._has_section('A')
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self.assertEqual(c.A.foo, 'hi there')
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del c.A
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self.assertEqual(c.A, Config())
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def test_merge_doesnt_exist(self):
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c1 = Config()
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c2 = Config()
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c2.bar = 10
|
|
c2.Foo.bar = 10
|
|
c1.merge(c2)
|
|
self.assertEqual(c1.Foo.bar, 10)
|
|
self.assertEqual(c1.bar, 10)
|
|
c2.Bar.bar = 10
|
|
c1.merge(c2)
|
|
self.assertEqual(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.assertEqual(c1.Foo.bam, 30)
|
|
self.assertEqual(c1.Foo.bar, 20)
|
|
self.assertEqual(c1.Foo.wow, 40)
|
|
c2.Foo.Bam.bam = 10
|
|
c1.merge(c2)
|
|
self.assertEqual(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)
|
|
c1.Test.logger = logging.Logger('test')
|
|
c1.Test.get_logger = logging.getLogger('test')
|
|
c2 = copy.deepcopy(c1)
|
|
self.assertEqual(c1, c2)
|
|
self.assertTrue(c1 is not c2)
|
|
self.assertTrue(c1.Foo is not c2.Foo)
|
|
self.assertTrue(c1.Test is not c2.Test)
|
|
self.assertTrue(c1.Test.logger is c2.Test.logger)
|
|
self.assertTrue(c1.Test.get_logger is c2.Test.get_logger)
|
|
|
|
def test_builtin(self):
|
|
c1 = Config()
|
|
c1.format = "json"
|
|
|
|
def test_fromdict(self):
|
|
c1 = Config({'Foo' : {'bar' : 1}})
|
|
self.assertEqual(c1.Foo.__class__, Config)
|
|
self.assertEqual(c1.Foo.bar, 1)
|
|
|
|
def test_fromdictmerge(self):
|
|
c1 = Config()
|
|
c2 = Config({'Foo' : {'bar' : 1}})
|
|
c1.merge(c2)
|
|
self.assertEqual(c1.Foo.__class__, Config)
|
|
self.assertEqual(c1.Foo.bar, 1)
|
|
|
|
def test_fromdictmerge2(self):
|
|
c1 = Config({'Foo' : {'baz' : 2}})
|
|
c2 = Config({'Foo' : {'bar' : 1}})
|
|
c1.merge(c2)
|
|
self.assertEqual(c1.Foo.__class__, Config)
|
|
self.assertEqual(c1.Foo.bar, 1)
|
|
self.assertEqual(c1.Foo.baz, 2)
|
|
self.assertNotIn('baz', c2.Foo)
|
|
|
|
def test_contains(self):
|
|
c1 = Config({'Foo' : {'baz' : 2}})
|
|
c2 = Config({'Foo' : {'bar' : 1}})
|
|
self.assertIn('Foo', c1)
|
|
self.assertIn('Foo.baz', c1)
|
|
self.assertIn('Foo.bar', c2)
|
|
self.assertNotIn('Foo.bar', c1)
|
|
|
|
def test_pickle_config(self):
|
|
cfg = Config()
|
|
cfg.Foo.bar = 1
|
|
pcfg = pickle.dumps(cfg)
|
|
cfg2 = pickle.loads(pcfg)
|
|
self.assertEqual(cfg2, cfg)
|
|
|
|
def test_getattr_section(self):
|
|
cfg = Config()
|
|
self.assertNotIn('Foo', cfg)
|
|
Foo = cfg.Foo
|
|
assert isinstance(Foo, Config)
|
|
self.assertIn('Foo', cfg)
|
|
|
|
def test_getitem_section(self):
|
|
cfg = Config()
|
|
self.assertNotIn('Foo', cfg)
|
|
Foo = cfg['Foo']
|
|
assert isinstance(Foo, Config)
|
|
self.assertIn('Foo', cfg)
|
|
|
|
def test_getattr_not_section(self):
|
|
cfg = Config()
|
|
self.assertNotIn('foo', cfg)
|
|
foo = cfg.foo
|
|
assert isinstance(foo, LazyConfigValue)
|
|
self.assertIn('foo', cfg)
|
|
|
|
def test_getattr_private_missing(self):
|
|
cfg = Config()
|
|
self.assertNotIn('_repr_html_', cfg)
|
|
with self.assertRaises(AttributeError):
|
|
_ = cfg._repr_html_
|
|
self.assertNotIn('_repr_html_', cfg)
|
|
self.assertEqual(len(cfg), 0)
|
|
|
|
def test_lazy_config_repr(self):
|
|
cfg = Config()
|
|
cfg.Class.lazy.append(1)
|
|
cfg_repr = repr(cfg)
|
|
assert '<LazyConfigValue' in cfg_repr
|
|
assert "extend" in cfg_repr
|
|
assert " [1]}>" in cfg_repr
|
|
assert 'value=' not in cfg_repr
|
|
cfg.Class.lazy.get_value([0])
|
|
repr2 = repr(cfg)
|
|
assert repr([0,1]) in repr2
|
|
assert 'value=' in repr2
|
|
|
|
|
|
def test_getitem_not_section(self):
|
|
cfg = Config()
|
|
self.assertNotIn('foo', cfg)
|
|
foo = cfg['foo']
|
|
assert isinstance(foo, LazyConfigValue)
|
|
self.assertIn('foo', cfg)
|
|
|
|
def test_merge_no_copies(self):
|
|
c = Config()
|
|
c2 = Config()
|
|
c2.Foo.trait = []
|
|
c.merge(c2)
|
|
c2.Foo.trait.append(1)
|
|
self.assertIs(c.Foo, c2.Foo)
|
|
self.assertEqual(c.Foo.trait, [1])
|
|
self.assertEqual(c2.Foo.trait, [1])
|
|
|
|
|
|
def test_merge_multi_lazy(self):
|
|
"""
|
|
With multiple config files (systemwide and users), we want compounding.
|
|
|
|
If systemwide overwirte and user append, we want both in the right
|
|
order.
|
|
"""
|
|
c1 = Config()
|
|
c2 = Config()
|
|
|
|
c1.Foo.trait = [1]
|
|
c2.Foo.trait.append(2)
|
|
|
|
c = Config()
|
|
c.merge(c1)
|
|
c.merge(c2)
|
|
|
|
self.assertEqual(c.Foo.trait, [1,2] )
|
|
|
|
|
|
|
|
def test_merge_multi_lazyII(self):
|
|
"""
|
|
With multiple config files (systemwide and users), we want compounding.
|
|
|
|
If both are lazy we still want a lazy config.
|
|
"""
|
|
c1 = Config()
|
|
c2 = Config()
|
|
|
|
c1.Foo.trait.append(1)
|
|
c2.Foo.trait.append(2)
|
|
|
|
c = Config()
|
|
c.merge(c1)
|
|
c.merge(c2)
|
|
|
|
self.assertEqual(c.Foo.trait._extend, [1,2] )
|
|
|
|
def test_merge_multi_lazy_III(self):
|
|
"""
|
|
With multiple config files (systemwide and users), we want compounding.
|
|
|
|
Prepend should prepend in the right order.
|
|
"""
|
|
c1 = Config()
|
|
c2 = Config()
|
|
|
|
c1.Foo.trait = [1]
|
|
c2.Foo.trait.prepend([0])
|
|
|
|
c = Config()
|
|
c.merge(c1)
|
|
c.merge(c2)
|
|
|
|
self.assertEqual(c.Foo.trait, [0, 1] )
|
|
|
|
def test_merge_multi_lazy_IV(self):
|
|
"""
|
|
With multiple config files (systemwide and users), we want compounding.
|
|
|
|
Both prepending should be lazy
|
|
"""
|
|
c1 = Config()
|
|
c2 = Config()
|
|
|
|
c1.Foo.trait.prepend([1])
|
|
c2.Foo.trait.prepend([0])
|
|
|
|
c = Config()
|
|
c.merge(c1)
|
|
c.merge(c2)
|
|
|
|
self.assertEqual(c.Foo.trait._prepend, [0, 1])
|
|
|
|
def test_merge_multi_lazy_update_I(self):
|
|
"""
|
|
With multiple config files (systemwide and users), we want compounding.
|
|
|
|
dict update shoudl be in the right order.
|
|
"""
|
|
c1 = Config()
|
|
c2 = Config()
|
|
|
|
c1.Foo.trait = {"a": 1, "z": 26}
|
|
c2.Foo.trait.update({"a": 0, "b": 1})
|
|
|
|
c = Config()
|
|
c.merge(c1)
|
|
c.merge(c2)
|
|
|
|
self.assertEqual(c.Foo.trait, {"a": 0, "b": 1, "z": 26})
|
|
|
|
def test_merge_multi_lazy_update_II(self):
|
|
"""
|
|
With multiple config files (systemwide and users), we want compounding.
|
|
|
|
Later dict overwrite lazyness
|
|
"""
|
|
c1 = Config()
|
|
c2 = Config()
|
|
|
|
c1.Foo.trait.update({"a": 0, "b": 1})
|
|
c2.Foo.trait = {"a": 1, "z": 26}
|
|
|
|
c = Config()
|
|
c.merge(c1)
|
|
c.merge(c2)
|
|
|
|
self.assertEqual(c.Foo.trait, {"a": 1, "z": 26})
|
|
|
|
def test_merge_multi_lazy_update_III(self):
|
|
"""
|
|
With multiple config files (systemwide and users), we want compounding.
|
|
|
|
Later dict overwrite lazyness
|
|
"""
|
|
c1 = Config()
|
|
c2 = Config()
|
|
|
|
c1.Foo.trait.update({"a": 0, "b": 1})
|
|
c2.Foo.trait.update({"a": 1, "z": 26})
|
|
|
|
c = Config()
|
|
c.merge(c1)
|
|
c.merge(c2)
|
|
|
|
self.assertEqual(c.Foo.trait._update, {"a": 1, "z": 26, "b": 1})
|