def test_schema_base(self):
@register('name')
class config:
foo = schema(10)
self.dict_to_file({})
parse(self.TESTFN)
self.assertEqual(config.foo, 10)
def test_root_only(self):
@register()
class root_conf:
root_value = 1
self.assertRaises(NotParsedError, get_parsed_conf)
parse()
assert get_parsed_conf() == {'root_value': 1}
def test_hidden_key(self):
@register()
class config:
foo = 1
_hidden = 2
parse()
assert get_parsed_conf() == {'foo': 1}
def test_validator_ok(self):
@register('name')
class config:
foo = schema(10, validator=lambda x: isinstance(x, int))
self.dict_to_file({
'name': dict(foo=5)
})
parse(self.TESTFN)
def test_conf_file_w_unknown_ext(self):
# Conf file with unsupported extension.
with open(TESTFN, 'w') as f:
f.write('foo')
self.addCleanup(safe_remove, TESTFN)
with self.assertRaises(ValueError) as cm:
parse(TESTFN)
assert "don't know how to parse" in str(cm.exception)
assert "extension not supported" in str(cm.exception)
def test_empty_conf_file(self):
@register('name')
class config:
foo = 1
bar = 2
self.write_to_file(" ")
parse(self.TESTFN)
self.assertEqual(config.foo, 1)
self.assertEqual(config.bar, 2)
def test_schema_base_overwritten(self):
@register('name')
class config:
foo = schema(10, required=True)
self.dict_to_file({
'name': dict(foo=5)
})
parse(self.TESTFN)
self.assertEqual(config.foo, 5)
def test_parse_called_twice(self):
@register()
class config:
foo = 1
bar = 2
parse()
self.assertRaises(AlreadyParsedError, parse)
self.assertRaises(AlreadyParsedError, parse_with_envvars)
def test_no_conf_file(self):
# parse() is supposed to parse also if no conf file is passed
@register()
class config:
foo = 1
bar = schema(10)
parse()
assert config.foo == 1
assert config.bar == 10
def test_already_configured(self):
@register('name')
class config:
foo = 1
bar = 2
self.dict_to_file({
'name': dict(foo=5, bar=6)
})
parse(self.TESTFN)
self.assertRaises(Error, parse, self.TESTFN)
def test_sub_plus_root(self):
@register('sub')
class sub_conf:
sub_value = 1
@register()
class root_conf:
root_value = 1
parse()
assert get_parsed_conf() == {'root_value': 1, 'sub': {'sub_value': 1}}
def test_float(self):
@register('name')
class config:
foo = 1.1
bar = 2
self.write_to_file(textwrap.dedent("""
[name]
foo = 1.3
"""))
parse(self.TESTFN)
self.assertEqual(config.foo, 1.3)
def test_conf_file_overrides_one(self):
@register('name')
class config:
foo = 1
bar = 2
self.dict_to_file({
'name': dict(foo=5)
})
parse(self.TESTFN)
self.assertEqual(config.foo, 5)
self.assertEqual(config.bar, 2)
def test_validator_ko(self):
@register('name')
class config:
foo = schema(10, validator=lambda x: isinstance(x, str))
self.dict_to_file({
'name': dict(foo=5)
})
with self.assertRaises(ValidationError) as cm:
parse(self.TESTFN)
self.assertEqual(cm.exception.section, 'name')
self.assertEqual(cm.exception.key, 'foo')
self.assertEqual(cm.exception.value, 5)
def test_schema_base_required(self):
@register('name')
class config:
foo = schema(10, required=True)
bar = 2
self.dict_to_file({
'name': dict(bar=2)
})
with self.assertRaises(RequiredKeyError) as cm:
parse(self.TESTFN)
self.assertEqual(cm.exception.section, 'name')
self.assertEqual(cm.exception.key, 'foo')
def test_invalid_field(self):
@register('name')
class config:
foo = 1
bar = 2
self.dict_to_file({
'name': dict(foo=5, apple=6)
})
with self.assertRaises(InvalidKeyError) as cm:
parse(self.TESTFN)
self.assertEqual(cm.exception.section, 'name')
self.assertEqual(cm.exception.key, 'apple')
def test_false(self):
@register('name')
class config:
foo = None
bar = 2
true_values = ("0", "no", "false", "off")
for value in true_values:
self.write_to_file(textwrap.dedent("""
[name]
foo = %s
""" % (value)))
parse(self.TESTFN)
self.assertEqual(config.foo, False)
discard()
def test_dictify_and_method(self):
@register()
class config:
foo = 1
bar = 2
_hidden = 3
@classmethod
def some_method(cls):
return 1
assert dict(config) == {'foo': 1, 'bar': 2}
assert config.some_method() == 1
parse()
assert dict(config) == {'foo': 1, 'bar': 2}
assert config.some_method() == 1
def test_validator_ko_custom_exc_w_message(self):
def validator(value):
raise ValidationError('message')
@register('name')
class config:
foo = schema(10, validator=validator)
self.dict_to_file({
'name': dict(foo=5)
})
with self.assertRaises(ValidationError) as cm:
parse(self.TESTFN)
self.assertEqual(cm.exception.section, 'name')
self.assertEqual(cm.exception.key, 'foo')
self.assertEqual(cm.exception.value, 5)
self.assertEqual(cm.exception.msg, 'message')
def test_file_like(self):
@register()
class foo:
foo = 1
file = io.StringIO()
with self.assertRaises(Error) as cm:
parse(file)
assert str(cm.exception) == \
"can't determine file format from a file object with no 'name' " \
"attribute"
assert str(cm.exception) == \
"can't determine file format from a file object with no 'name' " \
"attribute"
file = io.StringIO()
parse(file, file_parser=lambda x: {})
def test_register_after_parse(self):
@register()
class config:
foo = 1
parse()
with warnings.catch_warnings(record=True) as ws:
@register(section="unparsed")
class unparsed_config:
bar = 1
assert len(ws) == 1
assert 'configuration class defined after parse' in \
str(ws[0].message)
assert ws[0].category is UserWarning
# global conf will not include this
assert get_parsed_conf() == {'foo': 1}
# but it's still a magic object
assert dict(unparsed_config) == {'bar': 1}
def parse(self, *args, **kwargs):
parse(*args, **kwargs)
