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annotate tests/test_revmap_migrate.py @ 1476:581f72f9478b

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maps: do not ask sqlite for min(rev), max(rev) together When min(rev) and max(rev) are being asked in a single sql query, sqlite is not smart enough to use the index and will iterate all rows. This patch splits the query so it could be answered instantly.
author Jun Wu <quark@fb.com>
date Thu, 23 Jun 2016 10:29:58 +0100
parents 623af04c6e06
children 8937f19586fe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import test_util
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2
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3 from mercurial import util as hgutil
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4 from hgsubversion import svnmeta, maps
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5 from mercurial.node import hex
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6
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7 class TestRevMapMigrate(test_util.TestBase):
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8
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9 def _test_revmap_migrate(self, fromclass, toclass):
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10 # revmap interfaces to test
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11 getters = [
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12 lambda x: x.branchedits('the_branch', 3),
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13 lambda x: x.branchedits('the_branch', 4),
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14 lambda x: x.branchedits('the_branch', 5),
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15 lambda x: x.branchedits('the_branch', 6),
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16 lambda x: x.branchedits(None, 5),
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17 lambda x: x.branchedits('non_existed', 10),
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18 lambda x: x.branchmaxrevnum('the_branch', 3),
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19 lambda x: x.branchmaxrevnum('the_branch', 4),
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20 lambda x: x.branchmaxrevnum('the_branch', 5),
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21 lambda x: x.branchmaxrevnum('the_branch', 6),
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22 lambda x: x.branchmaxrevnum(None, 5),
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23 lambda x: x.branchmaxrevnum('non_existed', 10),
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24 lambda x: list(x.revhashes(3)),
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25 lambda x: list(x.revhashes(4)),
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26 lambda x: list(x.revhashes(42)),
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27 lambda x: list(x.revhashes(105)),
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28 lambda x: x.firstpulled,
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29 lambda x: x.lastpulled,
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30 lambda x: x.lasthash,
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31 ]
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32
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33 svnmeta.SVNMeta._defaultrevmapclass = fromclass
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34 repo = self._load_fixture_and_fetch('two_heads.svndump')
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35 meta = svnmeta.SVNMeta(repo)
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36 self.assertEqual(meta.revmap.__class__, fromclass)
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37 origrevmap = meta.revmap
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38
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39 # insert fake special (duplicated, with '\0') data
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40 origrevmap[103, None] = b'\0' * 20
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41 origrevmap[104, None] = b'\0' * 18 + b'cd'
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42 origrevmap[105, None] = b'ab\0cdefghijklmnopqrs'
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43 origrevmap[104, None] = b'\0' * 18 + b'\xff\0'
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44 origrevmap[105, 'ab'] = origrevmap[105, None]
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45
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46 origvalues = [f(meta.revmap) for f in getters]
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47
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48 # migrate to another format (transparently)
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49 svnmeta.SVNMeta._defaultrevmapclass = toclass
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50 meta = svnmeta.SVNMeta(repo)
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51 self.assertEqual(meta.revmap.__class__, toclass)
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52
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53 # enable iteration otherwise we cannot use iteritems
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54 origrevmap._allowiter = True
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55 for k, v in origrevmap.iteritems():
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56 newv = meta.revmap[k]
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57 self.assertEqual(newv, v)
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58 self.assertEqual(len(newv), 20)
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59 self.assertEqual(meta.revmap[meta.revmap.hashes()[v]], v)
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60
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61 newvalues = [f(meta.revmap) for f in getters]
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62 self.assertEqual(origvalues, newvalues)
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63
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64 def test_revmap_migrate_up(self):
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65 self._test_revmap_migrate(maps.RevMap, maps.SqliteRevMap)
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66
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67 def test_revmap_migrate_down(self):
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68 self._test_revmap_migrate(maps.SqliteRevMap, maps.RevMap)