test/test_dependency.py

   1 #!/usr/bin/python
   2 # Copyright (c) 2000 - 2016 Samsung Electronics Co., Ltd. All rights reserved.
   3 #
   4 # Contact:
   5 # @author Chulwoo Shin <cw1.shin@samsung.com>
   6 #
   7 # Licensed under the Apache License, Version 2.0 (the "License");
   8 # you may not use this file except in compliance with the License.
   9 # You may obtain a copy of the License at
  10 #
  11 # http://www.apache.org/licenses/LICENSE-2.0
  12 #
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS,
  15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 # See the License for the specific language governing permissions and
  17 # limitations under the License.
  18 #
  19 # Contributors:
  20 # - S-Core Co., Ltd
  21
  22 import os
  23 import time
  24 import unittest
  25
  26 from tic.dependency import analyze_dependency
  27 from tic.parser.repo_parser import RepodataParser
  28 from tic.repo import get_repodata_from_repos
  29
  30 current_milli_time = lambda: int(round(time.time() * 1000))
  31 CWD = os.path.dirname(__file__) or '.'
  32 TEST_REPODATA_LOC=os.path.join(CWD, 'dependency_fixtures')
  33 DEFAULT_CACHEDIR='/var/tmp/tic-core/cached'
  34
  35 def suite():
  36     # return unittest.makeSuite(DependencyTest, ['testsun1', 'testTrue'])
  37     return unittest.makeSuite(DependencyTest)
  38
  39 class DependencyTest(unittest.TestCase):
  40     def setUp(self):
  41         # test environment setup
  42         self.repo_list = [{'name': 'local_base',
  43                             'url': 'file:/' + TEST_REPODATA_LOC + '/base'},
  44                            {'name': 'local_mobile',
  45                             'url': 'file:/' + TEST_REPODATA_LOC + '/mobile'}]
  46
  47         self.repodata_list = get_repodata_from_repos(self.repo_list, DEFAULT_CACHEDIR)
  48
  49         self.pkg_group = None
  50         try:
  51             repo_parser = RepodataParser(self.repodata_list)
  52             self.pkg_group = repo_parser.parse()
  53         except Exception as e:
  54             raise self.failureException
  55
  56
  57     def tearDown(self):
  58         # clear environment after test
  59         del self.repo_list
  60         del self.pkg_group
  61
  62     def test_parse(self):
  63         self.assertNotEqual(self.pkg_group, None)
  64         self.assertNotEqual(self.pkg_group['pkg_list'], None)
  65         self.assertNotEqual(self.pkg_group['pkg2id'], None)
  66         self.assertEqual(len(self.pkg_group['pkg_list']), len(self.pkg_group['pkg2id']))
  67
  68         pkg_list = self.pkg_group['pkg_list']
  69         pkg2id = self.pkg_group['pkg2id']
  70
  71         # Consistency checks between pkg_list and pkg2id
  72         for pkg_id in range(len(pkg_list)):
  73             pkg_info = pkg_list[pkg_id]
  74             self.assertEqual(pkg_id, pkg2id.get(pkg_info['name']))
  75
  76     def test_dependency(self):
  77         # 1st package install-depdency analysis
  78         analyze_dependency(self.pkg_group)
  79         # print('time:', current_milli_time() - start_time)
  80         pkg_list = self.pkg_group['pkg_list']
  81
  82         # 2nd package install-depdency analysis for test (using bruteforce)
  83         test_repo_parser = RepodataParser(self.repodata_list)
  84         test_pkg_group = test_repo_parser.parse()
  85         test_pkg_list = test_pkg_group.get('pkg_list')
  86         test_pkg2id = test_pkg_group.get('pkg2id')
  87
  88         count = 1
  89         visited = [0]*len(test_pkg_list)
  90         for pkg_id in range(len(test_pkg_list)):
  91             visited[pkg_id] = count
  92             dep_set = self.dep_dfs(count, pkg_id, test_pkg_list, visited)
  93             test_pkg_list[pkg_id]['dependency'] = list(dep_set)
  94             count += 1
  95         # print('time:', current_milli_time() - start_time)
  96
  97         # compares the result of 1st and 2nd
  98         if len(pkg_list) != len(test_pkg_list):
  99             raise self.failureException
 100
 101         for pkg_id in range(len(pkg_list)):
 102             pkg_info = pkg_list[pkg_id]
 103             test_pkg_info = test_pkg_list[test_pkg2id[pkg_info['name']]]
 104
 105             # package check
 106             if pkg_info['name'] != test_pkg_info['name']:
 107                 raise self.failureException
 108
 109             # dependency count
 110             if len(pkg_info['dependency']) != len(test_pkg_info['dependency']):
 111                 print('pkg_info_1:', pkg_info['dependency'])
 112                 print('pkg_info_2:', test_pkg_info['dependency'])
 113                 raise self.failureException
 114
 115             # dependency validation between pkg_info and test_pkg_info
 116             for dep in test_pkg_info.get('dependency'):
 117                 if dep not in pkg_info['dependency']:
 118                     print(dep, 'does not exist')
 119                     raise self.failureException
 120
 121     def dep_dfs(self, count, pkg_id, pkg_list, visited):
 122         dep_set = set([pkg_list[pkg_id]['name']])
 123
 124         if pkg_list[pkg_id].get('requires'):
 125             for req in pkg_list[pkg_id].get('requires'):
 126                 req_id = req.get('id')
 127                 if req_id is not None:
 128                     if visited[req_id] < count:
 129                         visited[req_id] = count
 130                         dep_set.update(self.dep_dfs(count, req_id, pkg_list, visited))
 131                 else:
 132                     pass
 133                     #TODO: package doest not exist
 134                     #print('def_dfs::', req['name'], 'is not exist (in dep_analysis)')
 135
 136         return dep_set
 137
 138 if __name__ == "__main__":
 139     #import sys;sys.argv = ['', 'Test.testName']
 140     unittest.main()