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workload-automation/tests/test_utils.py
Sergei Trofimov a9959550af utils/types: better enum class member setting
- What used to be enum.values is now enum.levels.
- Add enum.names and enum.values that are lists of enum's levels' names
  and values respectively.
- Add a check on creation to make sure that provided level names do not
  conflict with the atomatically created members.
2017-08-09 15:59:20 +01:00

150 lines
4.5 KiB
Python

# Copyright 2013-2015 ARM Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# pylint: disable=R0201
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, assert_raises, assert_is, assert_list_equal
from wa.utils.types import (list_or_integer, list_or_bool, caseless_string,
arguments, prioritylist, enum, level)
class TestPriorityList(TestCase):
def test_insert(self):
pl = prioritylist()
elements = {3: "element 3",
2: "element 2",
1: "element 1",
5: "element 5",
4: "element 4"
}
for key in elements:
pl.add(elements[key], priority=key)
match = zip(sorted(elements.values()), pl[:])
for pair in match:
assert(pair[0] == pair[1])
def test_delete(self):
pl = prioritylist()
elements = {2: "element 3",
1: "element 2",
0: "element 1",
4: "element 5",
3: "element 4"
}
for key in elements:
pl.add(elements[key], priority=key)
del elements[2]
del pl[2]
match = zip(sorted(elements.values()), pl[:])
for pair in match:
assert(pair[0] == pair[1])
def test_multiple(self):
pl = prioritylist()
pl.add('1', 1)
pl.add('2.1', 2)
pl.add('3', 3)
pl.add('2.2', 2)
it = iter(pl)
assert_equal(it.next(), '3')
assert_equal(it.next(), '2.1')
assert_equal(it.next(), '2.2')
assert_equal(it.next(), '1')
def test_iterator_break(self):
pl = prioritylist()
pl.add('1', 1)
pl.add('2.1', 2)
pl.add('3', 3)
pl.add('2.2', 2)
for i in pl:
if i == '2.1':
break
assert_equal(pl.index('3'), 3)
def test_add_before_after(self):
pl = prioritylist()
pl.add('m', 1)
pl.add('a', 2)
pl.add('n', 1)
pl.add('b', 2)
pl.add_before('x', 'm')
assert_equal(list(pl), ['a', 'b', 'x', 'm', 'n'])
pl.add_after('y', 'b')
assert_equal(list(pl), ['a', 'b','y', 'x', 'm', 'n'])
pl.add_after('z', 'm')
assert_equal(list(pl), ['a', 'b', 'y', 'x', 'm', 'z', 'n'])
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_name_conflicts(self):
assert_raises(ValueError, enum, ['names', 'one', 'two'])
e = enum(['NAMES', 'one', 'two'])
assert_in('names', e.levels)
assert_list_equal(e.names, ['names', 'one', 'two'])
assert_equal(e.NAMES, 'names')
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.levels)
assert_in(2, e.levels)
assert_not_in('five', e.levels)
# 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()
l2 = level.from_pod(s)
assert_equal(l, l2)
def test_deserialize_enum(self):
e = enum(['one', 'two', 'three'])
s = e.one.to_pod()
l = e.from_pod(s)
assert_equal(l, e.one)