Mercurial > hgsubversion
annotate tests/test_pull_fallback.py @ 1475:ea4d6142c6d9
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> |
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date | Thu, 23 Jun 2016 10:46:07 +0100 |
parents | 4f1461428334 |
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1 import test_util |
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2 |
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3 import re |
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4 import mercurial |
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5 from mercurial import commands |
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6 from hgsubversion import stupid |
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7 from hgsubversion import svnwrap |
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8 from hgsubversion import wrappers |
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9 |
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10 class TestPullFallback(test_util.TestBase): |
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11 def setUp(self): |
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12 super(TestPullFallback, self).setUp() |
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13 |
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14 def _loadupdate(self, fixture_name, *args, **kwargs): |
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15 kwargs = kwargs.copy() |
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16 kwargs.update(noupdate=False) |
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17 repo, repo_path = self.load_and_fetch(fixture_name, *args, **kwargs) |
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18 return repo, repo_path |
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19 |
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20 def test_stupid_fallback_to_stupid_fullrevs(self): |
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21 return |
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22 to_patch = { |
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23 'mercurial.patch.patchbackend': _patchbackend_raise, |
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24 'stupid.diff_branchrev': stupid.diff_branchrev, |
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25 'stupid.fetch_branchrev': stupid.fetch_branchrev, |
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26 } |
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27 |
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28 expected_calls = { |
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29 'mercurial.patch.patchbackend': 1, |
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30 'stupid.diff_branchrev': 1, |
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31 'stupid.fetch_branchrev': 1, |
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32 } |
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33 |
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34 self.stupid = True |
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35 repo, repo_path = self._loadupdate('single_rev.svndump') |
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36 self.stupid = False |
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37 |
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38 # Passing stupid=True doesn't seem to be working - force it |
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39 repo.ui.setconfig('hgsubversion', 'stupid', "true") |
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40 state = repo[None].parents() |
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41 |
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42 calls, replaced = _monkey_patch(to_patch) |
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43 |
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44 try: |
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45 self.add_svn_rev(repo_path, {'trunk/alpha': 'Changed'}) |
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46 commands.pull(self.repo.ui, repo, update=True) |
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47 self.failIfEqual(state, repo[None].parents()) |
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48 self.assertTrue('tip' in repo[None].tags()) |
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49 self.assertEqual(expected_calls, calls) |
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50 |
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51 finally: |
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52 _monkey_unpatch(replaced) |
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53 |
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54 def _monkey_patch(to_patch, start=None): |
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55 if start is None: |
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56 import sys |
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57 start = sys.modules[__name__] |
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58 |
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59 calls = {} |
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60 replaced = {} |
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61 |
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62 for path, replacement in to_patch.iteritems(): |
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63 obj = start |
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64 owner, attr = path.rsplit('.', 1) |
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65 |
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66 for a in owner.split('.', -1): |
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67 obj = getattr(obj, a) |
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68 |
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69 replaced[path] = getattr(obj, attr) |
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70 calls[path] = 0 |
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71 |
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72 def outer(path=path, calls=calls, replacement=replacement): |
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73 def wrapper(*p, **kw): |
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74 calls[path] += 1 |
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75 return replacement(*p, **kw) |
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76 |
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77 return wrapper |
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78 |
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79 setattr(obj, attr, outer()) |
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80 |
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81 return calls, replaced |
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82 |
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83 def _monkey_unpatch(to_patch, start=None): |
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84 if start is None: |
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85 import sys |
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86 start = sys.modules[__name__] |
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87 |
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88 replaced = {} |
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89 |
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90 for path, replacement in to_patch.iteritems(): |
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91 obj = start |
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92 owner, attr = path.rsplit('.', 1) |
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93 |
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94 for a in owner.split('.', -1): |
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95 obj = getattr(obj, a) |
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96 |
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97 replaced[path] = getattr(obj, attr) |
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98 setattr(obj, attr, replacement) |
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99 |
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100 return replaced |
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101 |
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102 def _patchbackend_raise(*p, **kw): |
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103 raise mercurial.patch.PatchError("patch failed") |