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tests: add tests documenting enum behavior

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Add tests that exercising various ways of creating and using WA enums.
This commit is contained in:
Sergei Trofimov 2017-08-09 14:56:32 +01:00
parent 7f21cc6009
commit 8d27b50a7c
1 changed files with 32 additions and 1 deletions
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33
tests/test_utils.py
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@ -18,7 +18,7 @@
from unittest import TestCase
from nose.tools import raises, assert_equal, assert_not_equal, assert_in, assert_not_in
from nose.tools import assert_true, assert_false
from nose.tools import assert_true, assert_false, assert_raises, assert_is, assert_list_equal
from wa.utils.types import (list_or_integer, list_or_bool, caseless_string,
arguments, prioritylist, enum, level)
@ -97,6 +97,37 @@ class TestPriorityList(TestCase):
class TestEnumLevel(TestCase):
def test_enum_creation(self):
e = enum(['one', 'two', 'three'])
assert_list_equal(e.values, [0, 1, 2])
e = enum(['one', 'two', 'three'], start=10)
assert_list_equal(e.values, [10, 11, 12])
e = enum(['one', 'two', 'three'], start=-10, step=10)
assert_list_equal(e.values, [-10, 0, 10])
def test_enum_behavior(self):
e = enum(['one', 'two', 'three'])
# case-insensitive level name and level value may all
# be used for equality comparisons.
assert_equal(e.one, 'one')
assert_equal(e.one, 'ONE')
assert_equal(e.one, 0)
assert_not_equal(e.one, '0')
# ditto for enum membership tests
assert_in('one', e.values)
assert_in(2, e.values)
assert_not_in('five', e.values)
# The same level object returned, only when
# passing in a valid level name/value.
assert_is(e('one'), e('ONE'))
assert_is(e('one'), e(0))
assert_raises(ValueError, e, 'five')
def test_serialize_level(self):
l = level('test', 1)
s = l.to_pod()