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import confuse
import os
import unittest
from . import _root
ENVIRON = os.environ
class EnvSourceTest(unittest.TestCase):
def setUp(self):
os.environ = {}
def tearDown(self):
os.environ = ENVIRON
def test_prefix(self):
os.environ['TEST_FOO'] = 'a'
os.environ['BAR'] = 'b'
config = _root(confuse.EnvSource('TEST_'))
self.assertEqual(config.get(), {'foo': 'a'})
def test_number_type_conversion(self):
os.environ['TEST_FOO'] = '1'
os.environ['TEST_BAR'] = '2.0'
config = _root(confuse.EnvSource('TEST_'))
foo = config['foo'].get()
bar = config['bar'].get()
self.assertIsInstance(foo, int)
self.assertEqual(foo, 1)
self.assertIsInstance(bar, float)
self.assertEqual(bar, 2.0)
def test_bool_type_conversion(self):
os.environ['TEST_FOO'] = 'true'
os.environ['TEST_BAR'] = 'FALSE'
config = _root(confuse.EnvSource('TEST_'))
self.assertIs(config['foo'].get(), True)
self.assertIs(config['bar'].get(), False)
def test_null_type_conversion(self):
os.environ['TEST_FOO'] = 'null'
os.environ['TEST_BAR'] = ''
config = _root(confuse.EnvSource('TEST_'))
self.assertIs(config['foo'].get(), None)
self.assertIs(config['bar'].get(), None)
def test_unset_lower_config(self):
os.environ['TEST_FOO'] = 'null'
config = _root({'foo': 'bar'})
self.assertEqual(config['foo'].get(), 'bar')
config.set(confuse.EnvSource('TEST_'))
self.assertIs(config['foo'].get(), None)
def test_sep_default(self):
os.environ['TEST_FOO__BAR'] = 'a'
os.environ['TEST_FOO_BAZ'] = 'b'
config = _root(confuse.EnvSource('TEST_'))
self.assertEqual(config['foo']['bar'].get(), 'a')
self.assertEqual(config['foo_baz'].get(), 'b')
def test_sep_single_underscore_adjacent_seperators(self):
os.environ['TEST_FOO__BAR'] = 'a'
os.environ['TEST_FOO_BAZ'] = 'b'
config = _root(confuse.EnvSource('TEST_', sep='_'))
self.assertEqual(config['foo']['']['bar'].get(), 'a')
self.assertEqual(config['foo']['baz'].get(), 'b')
def test_nested(self):
os.environ['TEST_FOO__BAR'] = 'a'
os.environ['TEST_FOO__BAZ__QUX'] = 'b'
config = _root(confuse.EnvSource('TEST_'))
self.assertEqual(config['foo']['bar'].get(), 'a')
self.assertEqual(config['foo']['baz']['qux'].get(), 'b')
def test_nested_rev(self):
# Reverse to ensure order doesn't matter
os.environ['TEST_FOO__BAZ__QUX'] = 'b'
os.environ['TEST_FOO__BAR'] = 'a'
config = _root(confuse.EnvSource('TEST_'))
self.assertEqual(config['foo']['bar'].get(), 'a')
self.assertEqual(config['foo']['baz']['qux'].get(), 'b')
def test_nested_clobber(self):
os.environ['TEST_FOO__BAR'] = 'a'
os.environ['TEST_FOO__BAR__BAZ'] = 'b'
config = _root(confuse.EnvSource('TEST_'))
# Clobbered
self.assertEqual(config['foo']['bar'].get(), {'baz': 'b'})
self.assertEqual(config['foo']['bar']['baz'].get(), 'b')
def test_nested_clobber_rev(self):
# Reverse to ensure order doesn't matter
os.environ['TEST_FOO__BAR__BAZ'] = 'b'
os.environ['TEST_FOO__BAR'] = 'a'
config = _root(confuse.EnvSource('TEST_'))
# Clobbered
self.assertEqual(config['foo']['bar'].get(), {'baz': 'b'})
self.assertEqual(config['foo']['bar']['baz'].get(), 'b')
def test_lower_applied_after_prefix_match(self):
os.environ['TEST_FOO'] = 'a'
config = _root(confuse.EnvSource('test_', lower=True))
self.assertEqual(config.get(), {})
def test_lower_already_lowercase(self):
os.environ['TEST_foo'] = 'a'
config = _root(confuse.EnvSource('TEST_', lower=True))
self.assertEqual(config.get(), {'foo': 'a'})
def test_lower_does_not_alter_value(self):
os.environ['TEST_FOO'] = 'UPPER'
config = _root(confuse.EnvSource('TEST_', lower=True))
self.assertEqual(config.get(), {'foo': 'UPPER'})
def test_lower_false(self):
os.environ['TEST_FOO'] = 'a'
config = _root(confuse.EnvSource('TEST_', lower=False))
self.assertEqual(config.get(), {'FOO': 'a'})
def test_handle_lists_good_list(self):
os.environ['TEST_FOO__0'] = 'a'
os.environ['TEST_FOO__1'] = 'b'
os.environ['TEST_FOO__2'] = 'c'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config['foo'].get(), ['a', 'b', 'c'])
def test_handle_lists_good_list_rev(self):
# Reverse to ensure order doesn't matter
os.environ['TEST_FOO__2'] = 'c'
os.environ['TEST_FOO__1'] = 'b'
os.environ['TEST_FOO__0'] = 'a'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config['foo'].get(), ['a', 'b', 'c'])
def test_handle_lists_nested_lists(self):
os.environ['TEST_FOO__0__0'] = 'a'
os.environ['TEST_FOO__0__1'] = 'b'
os.environ['TEST_FOO__1__0'] = 'c'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config['foo'].get(), [['a', 'b'], ['c']])
def test_handle_lists_bad_list_missing_index(self):
os.environ['TEST_FOO__0'] = 'a'
os.environ['TEST_FOO__2'] = 'b'
os.environ['TEST_FOO__3'] = 'c'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config['foo'].get(), {'0': 'a', '2': 'b', '3': 'c'})
def test_handle_lists_bad_list_non_zero_start(self):
os.environ['TEST_FOO__1'] = 'a'
os.environ['TEST_FOO__2'] = 'b'
os.environ['TEST_FOO__3'] = 'c'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config['foo'].get(), {'1': 'a', '2': 'b', '3': 'c'})
def test_handle_lists_bad_list_non_numeric(self):
os.environ['TEST_FOO__0'] = 'a'
os.environ['TEST_FOO__ONE'] = 'b'
os.environ['TEST_FOO__2'] = 'c'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config['foo'].get(), {'0': 'a', 'one': 'b', '2': 'c'})
def test_handle_lists_top_level_always_dict(self):
os.environ['TEST_0'] = 'a'
os.environ['TEST_1'] = 'b'
os.environ['TEST_2'] = 'c'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config.get(), {'0': 'a', '1': 'b', '2': 'c'})
def test_handle_lists_not_a_list(self):
os.environ['TEST_FOO__BAR'] = 'a'
os.environ['TEST_FOO__BAZ'] = 'b'
config = _root(confuse.EnvSource('TEST_', handle_lists=True))
self.assertEqual(config['foo'].get(), {'bar': 'a', 'baz': 'b'})
def test_parse_yaml_docs_scalar(self):
os.environ['TEST_FOO'] = 'a'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
self.assertEqual(config['foo'].get(), 'a')
def test_parse_yaml_docs_list(self):
os.environ['TEST_FOO'] = '[a, b]'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
self.assertEqual(config['foo'].get(), ['a', 'b'])
def test_parse_yaml_docs_dict(self):
os.environ['TEST_FOO'] = '{bar: a, baz: b}'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
self.assertEqual(config['foo'].get(), {'bar': 'a', 'baz': 'b'})
def test_parse_yaml_docs_nested(self):
os.environ['TEST_FOO'] = '{bar: [a, b], baz: {qux: c}}'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
self.assertEqual(config['foo']['bar'].get(), ['a', 'b'])
self.assertEqual(config['foo']['baz'].get(), {'qux': 'c'})
def test_parse_yaml_docs_number_conversion(self):
os.environ['TEST_FOO'] = '{bar: 1, baz: 2.0}'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
bar = config['foo']['bar'].get()
baz = config['foo']['baz'].get()
self.assertIsInstance(bar, int)
self.assertEqual(bar, 1)
self.assertIsInstance(baz, float)
self.assertEqual(baz, 2.0)
def test_parse_yaml_docs_bool_conversion(self):
os.environ['TEST_FOO'] = '{bar: true, baz: FALSE}'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
self.assertIs(config['foo']['bar'].get(), True)
self.assertIs(config['foo']['baz'].get(), False)
def test_parse_yaml_docs_null_conversion(self):
os.environ['TEST_FOO'] = '{bar: null, baz: }'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
self.assertIs(config['foo']['bar'].get(), None)
self.assertIs(config['foo']['baz'].get(), None)
def test_parse_yaml_docs_syntax_error(self):
os.environ['TEST_FOO'] = '{:}'
try:
_root(confuse.EnvSource('TEST_', parse_yaml_docs=True))
except confuse.ConfigError as exc:
self.assertTrue('TEST_FOO' in exc.name)
else:
self.fail('ConfigError not raised')
def test_parse_yaml_docs_false(self):
os.environ['TEST_FOO'] = '{bar: a, baz: b}'
config = _root(confuse.EnvSource('TEST_', parse_yaml_docs=False))
self.assertEqual(config['foo'].get(), '{bar: a, baz: b}')
with self.assertRaises(confuse.ConfigError):
config['foo']['bar'].get()
class ConfigEnvTest(unittest.TestCase):
def setUp(self):
self.config = confuse.Configuration('TestApp', read=False)
os.environ = {
'TESTAPP_FOO': 'a',
'TESTAPP_BAR__NESTED': 'b',
'TESTAPP_BAZ_SEP_NESTED': 'c',
'MYAPP_QUX_SEP_NESTED': 'd'
}
def tearDown(self):
os.environ = ENVIRON
def test_defaults(self):
self.config.set_env()
self.assertEqual(self.config.get(), {'foo': 'a',
'bar': {'nested': 'b'},
'baz_sep_nested': 'c'})
def test_with_prefix(self):
self.config.set_env(prefix='MYAPP_')
self.assertEqual(self.config.get(), {'qux_sep_nested': 'd'})
def test_with_sep(self):
self.config.set_env(sep='_sep_')
self.assertEqual(self.config.get(), {'foo': 'a',
'bar__nested': 'b',
'baz': {'nested': 'c'}})
def test_with_prefix_and_sep(self):
self.config.set_env(prefix='MYAPP_', sep='_sep_')
self.assertEqual(self.config.get(), {'qux': {'nested': 'd'}})
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