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 hash command.""" 16 17 import os 18 19 from gslib.exception import CommandException 20 import gslib.tests.testcase as testcase 21 22 23 class TestHash(testcase.GsUtilUnitTestCase): 24 """Unit tests for hash command.""" 25 26 _TEST_FILE_CONTENTS = '123456\n' 27 _TEST_FILE_B64_CRC = 'nYmSiA==' 28 _TEST_FILE_B64_MD5 = '9EeyCn/L9TpdW+AT6gsVrw==' 29 _TEST_FILE_HEX_CRC = '9D899288' 30 _TEST_FILE_HEX_MD5 = 'f447b20a7fcbf53a5d5be013ea0b15af' 31 32 def testHashContents(self): 33 tmp_file = self.CreateTempFile(contents=self._TEST_FILE_CONTENTS) 34 stdout = self.RunCommand('hash', args=[tmp_file], return_stdout=True) 35 self.assertIn('Hashes [base64]', stdout) 36 self.assertIn('\tHash (crc32c):\t\t%s' % self._TEST_FILE_B64_CRC, stdout) 37 self.assertIn('\tHash (md5):\t\t%s' % self._TEST_FILE_B64_MD5, stdout) 38 39 def testHashNoMatch(self): 40 try: 41 self.RunCommand('hash', args=['non-existent-file']) 42 self.fail('Did not get expected CommandException') 43 except CommandException, e: 44 # assertRaisesRegexp causes issues with python 2.6. 45 self.assertIn('No files matched', e.reason) 46 47 def testHashCloudObject(self): 48 try: 49 self.RunCommand('hash', args=['gs://bucket/object']) 50 self.fail('Did not get expected CommandException') 51 except CommandException, e: 52 self.assertEquals('"hash" command requires a file URL', e.reason) 53 54 def testHashHexFormat(self): 55 tmp_file = self.CreateTempFile(contents=self._TEST_FILE_CONTENTS) 56 stdout = self.RunCommand('hash', args=['-h', tmp_file], return_stdout=True) 57 self.assertIn('Hashes [hex]', stdout) 58 self.assertIn('\tHash (crc32c):\t\t%s' % self._TEST_FILE_HEX_CRC, stdout) 59 self.assertIn('\tHash (md5):\t\t%s' % self._TEST_FILE_HEX_MD5, stdout) 60 61 def testHashWildcard(self): 62 num_test_files = 2 63 tmp_dir = self.CreateTempDir(test_files=num_test_files) 64 stdout = self.RunCommand('hash', args=[os.path.join(tmp_dir, '*')], 65 return_stdout=True) 66 # One summary line and two hash lines per file. 67 num_expected_lines = num_test_files * (1 + 2) 68 self.assertEquals(len(stdout.splitlines()), num_expected_lines) 69 70 def testHashSelectAlg(self): 71 tmp_file = self.CreateTempFile(contents=self._TEST_FILE_CONTENTS) 72 stdout_crc = self.RunCommand('hash', args=['-c', tmp_file], 73 return_stdout=True) 74 stdout_md5 = self.RunCommand('hash', args=['-m', tmp_file], 75 return_stdout=True) 76 stdout_both = self.RunCommand('hash', args=['-c', '-m', tmp_file], 77 return_stdout=True) 78 for stdout in (stdout_crc, stdout_both): 79 self.assertIn('\tHash (crc32c):\t\t%s' % self._TEST_FILE_B64_CRC, stdout) 80 for stdout in (stdout_md5, stdout_both): 81 self.assertIn('\tHash (md5):\t\t%s' % self._TEST_FILE_B64_MD5, stdout) 82 self.assertNotIn('md5', stdout_crc) 83 self.assertNotIn('crc32c', stdout_md5) 84 85
