Mercurial > hgrepos > Python > apps > py-cutils

annotate tests/test_shasum.py @ 278:822cf3a1da22

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treesum: FIX: Removal of backslashes in output: do this only where really needed. Otherwise "backslashreplace" error encodings are "corrected" too.
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 21 Feb 2025 17:27:59 +0100
parents af8318191ed3
children 7f797d71bd5e
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101
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1 # -*- coding: utf-8 -*-
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2 r"""Unit tests
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3
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4 """
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5
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6 from __future__ import absolute_import, print_function
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7
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8 import io
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9 import os
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10 import sys
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11 import unittest
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12 try:
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13 from StringIO import StringIO
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14 except ImportError:
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15 StringIO = None
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16
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17 from _test_setup import DATADIR
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18
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19 from cutils import shasum
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20
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21
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22 PY2 = sys.version_info[0] <= 2
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23
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24
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25 def _memfile():
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26 if StringIO:
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27 return StringIO()
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28 else:
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29 return io.StringIO()
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30
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31
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32 class ChangedDir(object):
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33
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34 """Context manager to temporarily change the directory"""
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35
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36 def __init__(self, path):
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37 self._new_dir = path
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38 self._prev_dir = None
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39
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40 def __enter__(self):
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41 self._prev_dir = os.getcwd()
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42 os.chdir(self._new_dir)
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43
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44 def __exit__(self, *args, **kwds):
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45 if self._prev_dir is not None:
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46 os.chdir(self._prev_dir)
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47 self._prev_dir = None
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48
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49
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50 class SignifyTests(unittest.TestCase):
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51
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52 def test_empty(self):
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53 destfile = _memfile()
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54 opts = shasum.gen_opts(algorithm="SHA256",
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55 dest=destfile,
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56 files=[os.path.join(DATADIR, "empty")])
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57 shasum.shasum(opts)
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58 self.assertTrue(
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59 destfile.getvalue().startswith(
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60 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 *"))
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61
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62 def test_empty_with_name(self):
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63 destfile = _memfile()
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64 with ChangedDir(DATADIR):
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65 opts = shasum.gen_opts(algorithm="SHA256",
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66 dest=destfile,
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67 files=["empty"])
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68 shasum.shasum(opts)
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69 self.assertEqual(
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70 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 *empty\n",
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71 destfile.getvalue())
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72
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73 def test_empty_with_name_bsd(self):
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74 destfile = _memfile()
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75 with ChangedDir(DATADIR):
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76 opts = shasum.gen_opts(algorithm="SHA512",
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77 dest=destfile,
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78 files=["empty"],
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79 bsd=True)
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80 shasum.shasum(opts)
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81 self.assertEqual(
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82 "SHA512 (empty) = cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e\n",
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83 destfile.getvalue())
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84
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85 def test_empty_mmap(self):
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86 destfile = _memfile()
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87 opts = shasum.gen_opts(algorithm="SHA256",
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88 dest=destfile,
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89 files=[os.path.join(DATADIR, "empty")],
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90 mmap=True)
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91 shasum.shasum(opts)
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92 self.assertTrue(
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93 destfile.getvalue().startswith(
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94 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 *"))
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95
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96 def test_empty_no_mmap(self):
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97 destfile = _memfile()
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98 opts = shasum.gen_opts(algorithm="SHA256",
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99 dest=destfile,
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100 files=[os.path.join(DATADIR, "empty")],
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101 mmap=False)
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102 shasum.shasum(opts)
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103 self.assertTrue(
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104 destfile.getvalue().startswith(
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105 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 *"))
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106
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107
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108 if __name__ == "__main__":
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109 sys.exit(unittest.main())