def test_envvars_case_sensitive(self):
@register(self.section)
class config:
foo = 1
bar = 2
APPLE = 3
# non-uppercase env vars are supposed to be ignored
os.environ['FoO'] = '10'
os.environ['BAR'] = '20'
os.environ['APPLE'] = '30'
parse_with_envvars(case_sensitive=True)
assert config.foo == 1
assert config.bar == 2
assert config.APPLE == 30
def test_envvars_type_mismatch(self):
@register(self.section)
class config:
some_int = 1
some_float = 0.1
some_bool = True
# int
os.environ['SOME_INT'] = 'foo'
with self.assertRaises(TypesMismatchError) as cm:
parse_with_envvars()
assert cm.exception.section == self.section
assert cm.exception.key == 'some_int'
assert cm.exception.default_value == 1
assert cm.exception.new_value == 'foo'
del os.environ['SOME_INT']
# float
os.environ['SOME_FLOAT'] = 'foo'
with self.assertRaises(TypesMismatchError) as cm:
parse_with_envvars()
assert cm.exception.section == self.section
assert cm.exception.key == 'some_float'
assert cm.exception.default_value == 0.1
assert cm.exception.new_value == 'foo'
del os.environ['SOME_FLOAT']
# bool
os.environ['SOME_BOOL'] = 'foo'
with self.assertRaises(TypesMismatchError) as cm:
parse_with_envvars()
assert cm.exception.section == self.section
assert cm.exception.key == 'some_bool'
assert cm.exception.default_value is True
assert cm.exception.new_value == 'foo'
def parse_with_envvars(self, *args, **kwargs):
parse_with_envvars(*args, **kwargs)