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from argparse import Namespace
from collections import OrderedDict
import confuse
import unittest
class BuildDictTests(unittest.TestCase):
def test_pure_dicts(self):
config = {'foo': {'bar': 1}}
result = confuse.util.build_dict(config)
self.assertEqual(1, result['foo']['bar'])
def test_namespaces(self):
config = Namespace(foo=Namespace(bar=2), another=1)
result = confuse.util.build_dict(config)
self.assertEqual(2, result['foo']['bar'])
self.assertEqual(1, result['another'])
def test_dot_sep_keys(self):
config = {'foo.bar': 1}
result = confuse.util.build_dict(config.copy())
self.assertEqual(1, result['foo.bar'])
result = confuse.util.build_dict(config.copy(), sep='.')
self.assertEqual(1, result['foo']['bar'])
def test_dot_sep_keys_clobber(self):
args = [('foo.bar', 1), ('foo.bar.zar', 2)]
config = OrderedDict(args)
result = confuse.util.build_dict(config.copy(), sep='.')
self.assertEqual({'zar': 2}, result['foo']['bar'])
self.assertEqual(2, result['foo']['bar']['zar'])
# Reverse and do it again! (should be stable)
args.reverse()
config = OrderedDict(args)
result = confuse.util.build_dict(config.copy(), sep='.')
self.assertEqual({'zar': 2}, result['foo']['bar'])
self.assertEqual(2, result['foo']['bar']['zar'])
def test_dot_sep_keys_no_clobber(self):
args = [('foo.bar', 1), ('foo.far', 2), ('foo.zar.dar', 4)]
config = OrderedDict(args)
result = confuse.util.build_dict(config.copy(), sep='.')
self.assertEqual(1, result['foo']['bar'])
self.assertEqual(2, result['foo']['far'])
self.assertEqual(4, result['foo']['zar']['dar'])
def test_adjacent_underscores_sep_keys(self):
config = {'foo__bar_baz': 1}
result = confuse.util.build_dict(config.copy())
self.assertEqual(1, result['foo__bar_baz'])
result = confuse.util.build_dict(config.copy(), sep='_')
self.assertEqual(1, result['foo']['']['bar']['baz'])
result = confuse.util.build_dict(config.copy(), sep='__')
self.assertEqual(1, result['foo']['bar_baz'])
def test_keep_none(self):
config = {'foo': None}
result = confuse.util.build_dict(config.copy())
with self.assertRaises(KeyError):
result['foo']
result = confuse.util.build_dict(config.copy(), keep_none=True)
self.assertIs(None, result['foo'])
def test_keep_none_with_nested(self):
config = {'foo': {'bar': None}}
result = confuse.util.build_dict(config.copy())
self.assertEqual({}, result['foo'])
result = confuse.util.build_dict(config.copy(), keep_none=True)
self.assertIs(None, result['foo']['bar'])
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