def test_mongo_config(mongo_required_kwargs,
mongo_optional_kwargs,
roundtrip_func):
with pytest.raises(TraitError):
MongoConfig(**mongo_optional_kwargs)
optional_kwarg_defaults = {
'replicaset': None,
'slave_ok': True,
'prefer_secondary': True,
'ssl': False,
}
without_optionals = MongoConfig(**mongo_required_kwargs)
check_attributes(
without_optionals,
merge(mongo_required_kwargs, optional_kwarg_defaults),
)
assert_serializables_equal(
without_optionals,
roundtrip_func(without_optionals)
)
full_kwargs = merge(mongo_required_kwargs, mongo_optional_kwargs)
with_optionals = MongoConfig(**full_kwargs)
check_attributes(with_optionals, full_kwargs)
assert_serializables_equal(with_optionals, roundtrip_func(with_optionals))
def test_pg_port_requires_hostname(pg_required_kwargs):
# Hostname without port is ok.
cfg = PostgresConfig(hostname='localhost', **pg_required_kwargs)
check_attributes(cfg, merge(pg_required_kwargs, {'hostname': 'localhost'}))
assert cfg.url == "postgresql://user@localhost/db"
# Port without hostname is an error.
with pytest.raises(TraitError) as e:
PostgresConfig(port=5432, **pg_required_kwargs)
assert str(e.value) == "Received port 5432 but no hostname."
def test_postgres_config_required(pg_required_kwargs, roundtrip_func):
cfg = PostgresConfig(**pg_required_kwargs)
check_attributes(
cfg,
merge(pg_required_kwargs, {'port': None, 'password': None}),
)
assert_urls_equal(cfg.url, "postgresql://user@/db")
rounded = roundtrip_func(cfg)
assert_serializables_equal(cfg, rounded, skip=['url'])
assert_urls_equal(rounded.url, cfg.url)
from_url = PostgresConfig.from_url(cfg.url)
assert_serializables_equal(cfg, from_url, skip=['url'])
assert_urls_equal(from_url.url, cfg.url)
def test_postgres_config_optional(pg_required_kwargs, pg_optional_kwargs,
roundtrip_func):
kwargs = merge(pg_required_kwargs, pg_optional_kwargs)
cfg = PostgresConfig(**kwargs)
check_attributes(cfg, kwargs)
assert_urls_equal(
cfg.url, "postgresql://*****:*****@localhost:5432/db?"
"connect_timeout=10&sslmode=require")
rounded = roundtrip_func(cfg)
assert_serializables_equal(cfg, rounded)
assert_urls_equal(rounded.url, cfg.url)
from_url = PostgresConfig.from_url(cfg.url)
assert_serializables_equal(cfg, from_url, skip=['url'])
assert_urls_equal(from_url.url, cfg.url)
def test_nested(unicode_val, dict_val, foo_instance, different_foo_instance,
roundtrip_func):
instance = Nested(
unicode_=unicode_val,
dict_=dict_val,
foo1=foo_instance,
foo2=different_foo_instance,
)
check_attributes(instance, {
"unicode_": unicode_val,
"dict_": dict_val,
})
assert_serializables_equal(instance.foo1, foo_instance)
assert_serializables_equal(instance.foo2, different_foo_instance)
roundtripped = roundtrip_func(instance)
assert_serializables_equal(instance, roundtripped)
def test_mongo_config_username_password_both_or_neither(mongo_required_kwargs):
kwargs = mongo_required_kwargs.copy()
with removed_keys(kwargs, ['username']), pytest.raises(TraitError) as e:
MongoConfig(**kwargs)
assert str(e.value) == "Password supplied without username."
with removed_keys(kwargs, ['password']), pytest.raises(TraitError) as e:
MongoConfig(**kwargs)
assert str(e.value) == "Username 'user' supplied without password."
with removed_keys(kwargs, ['username', 'password']):
cfg = MongoConfig(**kwargs)
check_attributes(
cfg,
merge(kwargs, {'username': None, 'password': None}),
)
def test_inheritance(roundtrip_func, foo_instance):
class Parent(Serializable):
a = Integer()
def _a_default(self):
return 3
b = Unicode()
check_attributes(Parent(b="b"), {"a": 3, "b": "b"})
class Child(Parent):
x = Instance(Foo)
y = Dict()
def _a_default(self):
return 4
child = Child(b="b", x=foo_instance, y={})
check_attributes(child, {'a': 4, 'b': 'b', 'y': {}})
assert child.x is foo_instance
assert_serializables_equal(roundtrip_func(child), child)
def test_dynamic_defaults(non_dynamic_val, d_val, l_val, roundtrip_func):
expected = {
'non_dynamic': non_dynamic_val,
'd': d_val if d_val is not None else DynamicDefaults.DEFAULT_D,
'l': l_val if l_val is not None else DynamicDefaults.DEFAULT_L,
}
kwargs = {'non_dynamic': non_dynamic_val}
if d_val is not None:
kwargs['d'] = d_val
if l_val is not None:
kwargs['l'] = l_val
instance = DynamicDefaults(**kwargs)
check_attributes(instance, expected)
check_attributes(roundtrip_func(instance), expected)
# Do a check without forcing all the attributes via check_attributes.
check_attributes(roundtrip_func(DynamicDefaults(**kwargs)), expected)
def test_construct_from_kwargs(foo_kwargs):
instance = Foo(**foo_kwargs)
check_attributes(instance, foo_kwargs)