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| 1 # -*- coding: utf-8 -*- | |
| 2 # Copyright 2014 Google Inc. All Rights Reserved. | |
| 3 # | |
| 4 # Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 # you may not use this file except in compliance with the License. | |
| 6 # You may obtain a copy of the License at | |
| 7 # | |
| 8 # http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 # | |
| 10 # Unless required by applicable law or agreed to in writing, software | |
| 11 # distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 # See the License for the specific language governing permissions and | |
| 14 # limitations under the License. | |
| 15 """Unit tests for functions in rsync command.""" | |
| 16 | |
| 17 import logging | |
| 18 import os | |
| 19 | |
| 20 from gslib.commands.rsync import _ComputeNeededFileChecksums | |
| 21 from gslib.commands.rsync import _NA | |
| 22 from gslib.hashing_helper import CalculateB64EncodedCrc32cFromContents | |
| 23 from gslib.hashing_helper import CalculateB64EncodedMd5FromContents | |
| 24 from gslib.tests.testcase.unit_testcase import GsUtilUnitTestCase | |
| 25 | |
| 26 | |
| 27 class TestRsyncFuncs(GsUtilUnitTestCase): | |
| 28 | |
| 29 def test_compute_needed_file_checksums(self): | |
| 30 """Tests that we compute all/only needed file checksums.""" | |
| 31 size = 4 | |
| 32 logger = logging.getLogger() | |
| 33 tmpdir = self.CreateTempDir() | |
| 34 file_url_str = 'file://%s' % os.path.join(tmpdir, 'obj1') | |
| 35 self.CreateTempFile(tmpdir=tmpdir, file_name='obj1', contents='obj1') | |
| 36 cloud_url_str = 'gs://whatever' | |
| 37 with open(os.path.join(tmpdir, 'obj1'), 'rb') as fp: | |
| 38 crc32c = CalculateB64EncodedCrc32cFromContents(fp) | |
| 39 fp.seek(0) | |
| 40 md5 = CalculateB64EncodedMd5FromContents(fp) | |
| 41 | |
| 42 # Test case where source is a file and dest has CRC32C. | |
| 43 (src_crc32c, src_md5, dst_crc32c, dst_md5) = _ComputeNeededFileChecksums( | |
| 44 logger, file_url_str, size, _NA, _NA, cloud_url_str, size, crc32c, _NA) | |
| 45 self.assertEquals(crc32c, src_crc32c) | |
| 46 self.assertEquals(_NA, src_md5) | |
| 47 self.assertEquals(crc32c, dst_crc32c) | |
| 48 self.assertEquals(_NA, dst_md5) | |
| 49 | |
| 50 # Test case where source is a file and dest has MD5 but not CRC32C. | |
| 51 (src_crc32c, src_md5, dst_crc32c, dst_md5) = _ComputeNeededFileChecksums( | |
| 52 logger, file_url_str, size, _NA, _NA, cloud_url_str, size, _NA, md5) | |
| 53 self.assertEquals(_NA, src_crc32c) | |
| 54 self.assertEquals(md5, src_md5) | |
| 55 self.assertEquals(_NA, dst_crc32c) | |
| 56 self.assertEquals(md5, dst_md5) | |
| 57 | |
| 58 # Test case where dest is a file and src has CRC32C. | |
| 59 (src_crc32c, src_md5, dst_crc32c, dst_md5) = _ComputeNeededFileChecksums( | |
| 60 logger, cloud_url_str, size, crc32c, _NA, file_url_str, size, _NA, _NA) | |
| 61 self.assertEquals(crc32c, dst_crc32c) | |
| 62 self.assertEquals(_NA, src_md5) | |
| 63 self.assertEquals(crc32c, src_crc32c) | |
| 64 self.assertEquals(_NA, src_md5) | |
| 65 | |
| 66 # Test case where dest is a file and src has MD5 but not CRC32C. | |
| 67 (src_crc32c, src_md5, dst_crc32c, dst_md5) = _ComputeNeededFileChecksums( | |
| 68 logger, cloud_url_str, size, _NA, md5, file_url_str, size, _NA, _NA) | |
| 69 self.assertEquals(_NA, dst_crc32c) | |
| 70 self.assertEquals(md5, src_md5) | |
| 71 self.assertEquals(_NA, src_crc32c) | |
| 72 self.assertEquals(md5, src_md5) | |
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