1 #!/usr/bin/env python 2 # 3 # Copyright 2017, The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 """Utility functions for unit tests.""" 18 19 import os 20 21 import constants 22 import unittest_constants as uc 23 24 def assert_strict_equal(test_class, first, second): 25 """Check for strict equality and strict equality of nametuple elements. 26 27 assertEqual considers types equal to their subtypes, but we want to 28 not consider set() and frozenset() equal for testing. 29 """ 30 test_class.assertEqual(first, second) 31 # allow byte and unicode string equality. 32 if not (isinstance(first, basestring) and 33 isinstance(second, basestring)): 34 test_class.assertIsInstance(first, type(second)) 35 test_class.assertIsInstance(second, type(first)) 36 # Recursively check elements of namedtuples for strict equals. 37 if isinstance(first, tuple) and hasattr(first, '_fields'): 38 # pylint: disable=invalid-name 39 for f in first._fields: 40 assert_strict_equal(test_class, getattr(first, f), 41 getattr(second, f)) 42 43 def assert_equal_testinfos(test_class, test_info_a, test_info_b): 44 """Check that the passed in TestInfos are equal.""" 45 # Use unittest.assertEqual to do checks when None is involved. 46 if test_info_a is None or test_info_b is None: 47 test_class.assertEqual(test_info_a, test_info_b) 48 return 49 50 for attr in test_info_a.__dict__: 51 test_info_a_attr = getattr(test_info_a, attr) 52 test_info_b_attr = getattr(test_info_b, attr) 53 test_class.assertEqual(test_info_a_attr, test_info_b_attr, 54 msg=('TestInfo.%s mismatch: %s != %s' % 55 (attr, test_info_a_attr, test_info_b_attr))) 56 57 def assert_equal_testinfo_sets(test_class, test_info_set_a, test_info_set_b): 58 """Check that the sets of TestInfos are equal.""" 59 test_class.assertEqual(len(test_info_set_a), len(test_info_set_b), 60 msg=('mismatch # of TestInfos: %d != %d' % 61 (len(test_info_set_a), len(test_info_set_b)))) 62 # Iterate over a set and pop them out as you compare them. 63 while test_info_set_a: 64 test_info_a = test_info_set_a.pop() 65 test_info_b_to_remove = None 66 for test_info_b in test_info_set_b: 67 try: 68 assert_equal_testinfos(test_class, test_info_a, test_info_b) 69 test_info_b_to_remove = test_info_b 70 break 71 except AssertionError: 72 pass 73 if test_info_b_to_remove: 74 test_info_set_b.remove(test_info_b_to_remove) 75 else: 76 # We haven't found a match, raise an assertion error. 77 raise AssertionError('No matching TestInfo (%s) in [%s]' % 78 (test_info_a, ';'.join([str(t) for t in test_info_set_b]))) 79 80 81 def isfile_side_effect(value): 82 """Mock return values for os.path.isfile.""" 83 if value == '/%s/%s' % (uc.MODULE_DIR, constants.MODULE_CONFIG): 84 return True 85 if value.endswith('.java'): 86 return True 87 if value.endswith(uc.INT_NAME + '.xml'): 88 return True 89 if value.endswith(uc.GTF_INT_NAME + '.xml'): 90 return True 91 return False 92 93 94 def realpath_side_effect(path): 95 """Mock return values for os.path.realpath.""" 96 return os.path.join(uc.ROOT, path) 97
