def test_find_all_invalid_usage(self):
"""
Passing fewer or more than one query raises `ValueError`.
"""
enum = Enum('doc', [])
self.assertThat(
lambda: list(enum.find_all()),
raises(ValueError))
self.assertThat(
lambda: list(enum.find_all(foo=u'a', bar=u'b')),
raises(ValueError))
def test_find_all(self):
"""
Finding all enumeration items by extra value gets an iterable of all
matching items. Passing fewer or more than one query raises
`ValueError`.
"""
values = enum_values_fixture()
enum = Enum('doc', values)
results = list(enum.find_all(frob=u'world'))
self.assertThat(
results,
Equals([values[0], values[2]]))
self.assertThat(
enum.find_all(asdf=u'qwer'),
After(list, Equals([])))
