Mercurial > hgsubversion
annotate tests/test_push_autoprops.py @ 931:e1dbd9646d6a
svnwrap: use custom StringIO class in get_file()
The wrappers were calling ra.get_file() with a cStringIO object.
Empirically, svn 1.7.5 is writing 16kB blocks to the stream object, and
cStringIO reallocates its internal buffer and doubles its size whenever
it is filled. With large committed files this requires two large
memory blocks at the same time.
SimpleStringIO implements the mimimum StringIO interface used by
ra.get_file() but instead stores all the blocks and "join" them at the
end. It means more fragmentation but requires only one large block,
without overallocation. Also, 16kB blocks should be friendly to most
allocators.
In practice, this simple change let me convert a revision containing
multiple moderately large files, the largest being around 450MB, with a
32-bits Windows setup, python 2.7, swig svn 1.7.5, in stupid mode, while
it was previously aborting with "not enough memory". The same revision
still fails in replay mode.
author | Patrick Mezard <patrick@mezard.eu> |
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date | Sun, 16 Sep 2012 19:31:49 +0200 |
parents | 772280aed751 |
children | d741f536f23a |
rev | line source |
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1 import subprocess |
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2 import sys |
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3 import unittest |
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4 import os |
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5 |
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6 import test_util |
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7 |
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8 from hgsubversion import svnwrap |
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9 |
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10 class PushAutoPropsTests(test_util.TestBase): |
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11 def setUp(self): |
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12 test_util.TestBase.setUp(self) |
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13 repo, self.repo_path = self.load_and_fetch('emptyrepo.svndump') |
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14 |
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15 def test_push_honors_svn_autoprops(self): |
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16 self.setup_svn_config( |
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17 "[miscellany]\n" |
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18 "enable-auto-props = yes\n" |
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19 "[auto-props]\n" |
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20 "*.py = test:prop=success\n") |
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21 changes = [('test.py', 'test.py', 'echo hallo')] |
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22 self.commitchanges(changes) |
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23 self.pushrevisions(True) |
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24 prop_val = test_util.svnpropget( |
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25 self.repo_path, "trunk/test.py", 'test:prop') |
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26 self.assertEqual('success', prop_val) |
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27 |
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28 |
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29 class AutoPropsConfigTest(test_util.TestBase): |
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30 def test_use_autoprops_for_matching_file_when_enabled(self): |
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31 self.setup_svn_config( |
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32 "[miscellany]\n" |
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33 "enable-auto-props = yes\n" |
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34 "[auto-props]\n" |
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35 "*.py = test:prop=success\n") |
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36 props = self.new_autoprops_config().properties('xxx/test.py') |
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37 self.assertEqual({ 'test:prop': 'success'}, props) |
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38 |
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39 def new_autoprops_config(self): |
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40 return svnwrap.AutoPropsConfig(self.config_dir) |
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41 |
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42 def test_ignore_nonexisting_config(self): |
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43 config_file = os.path.join(self.config_dir, 'config') |
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44 os.remove(config_file) |
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45 self.assertTrue(not os.path.exists(config_file)) |
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46 props = self.new_autoprops_config().properties('xxx/test.py') |
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47 self.assertEqual({}, props) |
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48 |
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49 def test_ignore_autoprops_when_file_doesnt_match(self): |
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50 self.setup_svn_config( |
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51 "[miscellany]\n" |
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52 "enable-auto-props = yes\n" |
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53 "[auto-props]\n" |
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54 "*.py = test:prop=success\n") |
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55 props = self.new_autoprops_config().properties('xxx/test.sh') |
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56 self.assertEqual({}, props) |
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57 |
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58 def test_ignore_autoprops_when_disabled(self): |
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59 self.setup_svn_config( |
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60 "[miscellany]\n" |
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61 "#enable-auto-props = yes\n" |
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62 "[auto-props]\n" |
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63 "*.py = test:prop=success\n") |
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64 props = self.new_autoprops_config().properties('xxx/test.py') |
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65 self.assertEqual({}, props) |
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66 |
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67 def test_combine_properties_of_multiple_matches(self): |
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68 self.setup_svn_config( |
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69 "[miscellany]\n" |
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70 "enable-auto-props = yes\n" |
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71 "[auto-props]\n" |
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72 "*.py = test:prop=success\n" |
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73 "test.* = test:prop2=success\n") |
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74 props = self.new_autoprops_config().properties('xxx/test.py') |
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75 self.assertEqual({ |
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76 'test:prop': 'success', 'test:prop2': 'success'}, props) |
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77 |
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78 |
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79 class ParseAutoPropsTests(test_util.TestBase): |
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80 def test_property_value_is_optional(self): |
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81 props = svnwrap.parse_autoprops("svn:executable") |
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82 self.assertEqual({'svn:executable': ''}, props) |
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83 props = svnwrap.parse_autoprops("svn:executable=") |
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84 self.assertEqual({'svn:executable': ''}, props) |
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85 |
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86 def test_property_value_may_be_quoted(self): |
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87 props = svnwrap.parse_autoprops("svn:eol-style=\" native \"") |
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88 self.assertEqual({'svn:eol-style': ' native '}, props) |
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89 props = svnwrap.parse_autoprops("svn:eol-style=' native '") |
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90 self.assertEqual({'svn:eol-style': ' native '}, props) |
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91 |
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92 def test_surrounding_whitespaces_are_ignored(self): |
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93 props = svnwrap.parse_autoprops(" svn:eol-style = native ") |
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94 self.assertEqual({'svn:eol-style': 'native'}, props) |
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95 |
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96 def test_multiple_properties_are_separated_by_semicolon(self): |
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97 props = svnwrap.parse_autoprops( |
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98 "svn:eol-style=native;svn:executable=true\n") |
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99 self.assertEqual({ |
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100 'svn:eol-style': 'native', |
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101 'svn:executable': 'true'}, |
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102 props) |
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103 |
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104 |
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105 def suite(): |
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106 return unittest.findTestCases(sys.modules[__name__]) |
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107 |