1# Copyright 2019 Google Inc. All rights reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15import os 16import site 17import sys 18 19# This file checks the visible python state against expected values when run 20# inside a hermetic par file. 21 22failed = False 23def assert_equal(what, a, b): 24 global failed 25 if a != b: 26 print("Expected %s('%s') == '%s'" % (what, a, b)) 27 failed = True 28 29assert_equal("__name__", __name__, "__main__") 30assert_equal("os.path.basename(__file__)", os.path.basename(__file__), "par_test.py") 31 32archive = os.path.dirname(__file__) 33 34assert_equal("__package__", __package__, "") 35assert_equal("sys.argv[0]", sys.argv[0], archive) 36assert_equal("sys.executable", sys.executable, None) 37assert_equal("sys.exec_prefix", sys.exec_prefix, archive) 38assert_equal("sys.prefix", sys.prefix, archive) 39assert_equal("__loader__.archive", __loader__.archive, archive) 40assert_equal("site.ENABLE_USER_SITE", site.ENABLE_USER_SITE, None) 41 42assert_equal("len(sys.path)", len(sys.path), 3) 43assert_equal("sys.path[0]", sys.path[0], archive) 44assert_equal("sys.path[1]", sys.path[1], os.path.join(archive, "internal")) 45assert_equal("sys.path[2]", sys.path[2], os.path.join(archive, "internal", "stdlib")) 46 47if failed: 48 sys.exit(1) 49 50import testpkg.par_test 51