Mercurial > hgsubversion

annotate tests/comprehensive/test_updatemeta.py @ 1475:ea4d6142c6d9

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maps: do not ask sqlite for row count "SELECT COUNT(1) FROM x" is not O(1) for sqlite and can be slow on large tables. This patch changes the count to be backed by a file instead. The change exposes a risk that the number may become inaccurate, if __setitem__ is called with a same key multiple times. But we don't do that during pull, and only use __len__ to calculate how many revisions pulled, or test if the map is empty. So it would be fine.
author Jun Wu <quark@fb.com>
date Thu, 23 Jun 2016 10:46:07 +0100
parents c6b01fd34694
children
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1 import os
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2 import pickle
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3 import sys
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4 import unittest
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5
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6 # wrapped in a try/except because of weirdness in how
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7 # run.py works as compared to nose.
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8 try:
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9 import test_util
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10 except ImportError:
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11 sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
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12 import test_util
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13
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14 import test_rebuildmeta
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15
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16 from mercurial import context
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17 from mercurial import extensions
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18 from mercurial import hg
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19 from mercurial import ui
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20
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21 from hgsubversion import svncommands
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22 from hgsubversion import svnmeta
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23
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25
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26 def _do_case(self, name, layout):
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27 subdir = test_util.subdir.get(name, '')
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28 single = layout == 'single'
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29 u = test_util.testui()
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30 config = {}
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31 if layout == 'custom':
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32 config['hgsubversion.layout'] = 'custom'
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33 u.setconfig('hgsubversion', 'layout', 'custom')
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34 for branch, path in test_util.custom.get(name, {}).iteritems():
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35 config['hgsubversionbranch.%s' % branch] = path
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36 u.setconfig('hgsubversionbranch', branch, path)
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37
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38 repo, repo_path = self.load_and_fetch(name,
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39 subdir=subdir,
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40 layout=layout,
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41 config=config)
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42 assert test_util.repolen(self.repo) > 0
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43 wc2_path = self.wc_path + '_clone'
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44 src, dest = test_util.hgclone(u, self.wc_path, wc2_path, update=False)
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45 src = test_util.getlocalpeer(src)
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46 dest = test_util.getlocalpeer(dest)
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47
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48 # insert a wrapper that prevents calling changectx.children()
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49 def failfn(orig, ctx):
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50 self.fail('calling %s is forbidden; it can cause massive slowdowns '
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51 'when rebuilding large repositories' % orig)
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52
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53 origchildren = getattr(context.changectx, 'children')
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54 extensions.wrapfunction(context.changectx, 'children', failfn)
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55
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56 # test updatemeta on an empty repo
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57 try:
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58 svncommands.updatemeta(u, dest,
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59 args=[test_util.fileurl(repo_path +
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60 subdir), ])
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61 finally:
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62 # remove the wrapper
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63 context.changectx.children = origchildren
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64
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65 self._run_assertions(name, single, src, dest, u)
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67
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68 def _run_assertions(self, name, single, src, dest, u):
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69 test_rebuildmeta._run_assertions(self, name, single, src, dest, u)
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72 skip = set([
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73 'project_root_not_repo_root.svndump',
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74 'corrupt.svndump',
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75 ])
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76
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77 attrs = {'_do_case': _do_case,
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78 '_run_assertions': _run_assertions,
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79 'stupid_mode_tests': True,
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80 }
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81 for case in [f for f in os.listdir(test_util.FIXTURES) if f.endswith('.svndump')]:
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82 # this fixture results in an empty repository, don't use it
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83 if case in skip:
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84 continue
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85 bname = 'test_' + case[:-len('.svndump')]
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86 attrs[bname] = test_rebuildmeta.buildmethod(case, bname, 'auto')
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87 attrs[bname + '_single'] = test_rebuildmeta.buildmethod(case,
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88 bname + '_single',
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89 'single')
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90 if case in test_util.custom:
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91 attrs[bname + '_custom'] = test_rebuildmeta.buildmethod(case,
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92 bname + '_custom',
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93 'custom')
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94
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95
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96 UpdateMetaTests = type('UpdateMetaTests', (test_util.TestBase,), attrs)