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#!/usr/bin/env python3
# Copyright 2018 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import collections
import os
import sys
import unittest
sys.path.insert(
0, os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir)))
from util import build_utils
_DEPS = collections.OrderedDict()
_DEPS['a'] = []
_DEPS['b'] = []
_DEPS['c'] = ['a']
_DEPS['d'] = ['a']
_DEPS['e'] = ['f']
_DEPS['f'] = ['a', 'd']
_DEPS['g'] = []
_DEPS['h'] = ['d', 'b', 'f']
_DEPS['i'] = ['f']
class BuildUtilsTest(unittest.TestCase):
def testGetSortedTransitiveDependencies_all(self):
TOP = _DEPS.keys()
EXPECTED = ['a', 'b', 'c', 'd', 'f', 'e', 'g', 'h', 'i']
actual = build_utils.GetSortedTransitiveDependencies(TOP, _DEPS.get)
self.assertEqual(EXPECTED, actual)
def testGetSortedTransitiveDependencies_leaves(self):
TOP = ['c', 'e', 'g', 'h', 'i']
EXPECTED = ['a', 'c', 'd', 'f', 'e', 'g', 'b', 'h', 'i']
actual = build_utils.GetSortedTransitiveDependencies(TOP, _DEPS.get)
self.assertEqual(EXPECTED, actual)
def testGetSortedTransitiveDependencies_leavesReverse(self):
TOP = ['i', 'h', 'g', 'e', 'c']
EXPECTED = ['a', 'd', 'f', 'i', 'b', 'h', 'g', 'e', 'c']
actual = build_utils.GetSortedTransitiveDependencies(TOP, _DEPS.get)
self.assertEqual(EXPECTED, actual)
if __name__ == '__main__':
unittest.main()