Mercurial > hg
annotate tests/test-cache-abuse.t @ 46858:85e3a630cad9
revlog: move the details of revlog "v2" index inside revlog.utils.constants
the revlog module is quite large and this kind of format information would handy
for other module. So let us start to gather this information about the format in
a more appropriate place.
We update various reference to this information to use the new "source of truth"
in the process.
Differential Revision: https://phab.mercurial-scm.org/D10305
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 05 Apr 2021 12:21:12 +0200 |
parents | 34a46d48d24e |
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1 Enable obsolete markers |
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2 |
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3 $ cat >> $HGRCPATH << EOF |
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4 > [experimental] |
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5 > evolution.createmarkers=True |
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6 > [phases] |
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7 > publish=False |
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8 > EOF |
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9 |
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10 Build a repo with some cacheable bits: |
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11 |
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12 $ hg init a |
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13 $ cd a |
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14 |
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15 $ echo a > a |
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16 $ hg ci -qAm0 |
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17 $ hg tag t1 |
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18 $ hg book -i bk1 |
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19 |
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20 $ hg branch -q b2 |
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21 $ hg ci -Am1 |
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22 $ hg tag t2 |
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23 |
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24 $ echo dumb > dumb |
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25 $ hg ci -qAmdumb |
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26 $ hg debugobsolete b1174d11b69e63cb0c5726621a43c859f0858d7f |
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27 1 new obsolescence markers |
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28 obsoleted 1 changesets |
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29 |
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30 $ hg phase -pr t1 |
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31 $ hg phase -fsr t2 |
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32 |
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33 Make a helper function to check cache damage invariants: |
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34 |
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35 - command output shouldn't change |
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36 - cache should be present after first use |
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37 - corruption/repair should be silent (no exceptions or warnings) |
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38 - cache should survive deletion, overwrite, and append |
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39 - unreadable / unwriteable caches should be ignored |
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40 - cache should be rebuilt after corruption |
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41 |
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42 $ damage() { |
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43 > CMD=$1 |
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44 > CACHE=.hg/cache/$2 |
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45 > CLEAN=$3 |
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46 > hg $CMD > before |
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47 > test -f $CACHE || echo "not present" |
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48 > echo bad > $CACHE |
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49 > test -z "$CLEAN" || $CLEAN |
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50 > hg $CMD > after |
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51 > "$RUNTESTDIR/pdiff" before after || echo "*** overwrite corruption" |
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52 > echo corruption >> $CACHE |
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53 > test -z "$CLEAN" || $CLEAN |
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54 > hg $CMD > after |
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55 > "$RUNTESTDIR/pdiff" before after || echo "*** append corruption" |
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56 > rm $CACHE |
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57 > mkdir $CACHE |
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58 > test -z "$CLEAN" || $CLEAN |
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59 > hg $CMD > after |
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60 > "$RUNTESTDIR/pdiff" before after || echo "*** read-only corruption" |
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61 > test -d $CACHE || echo "*** directory clobbered" |
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62 > rmdir $CACHE |
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63 > test -z "$CLEAN" || $CLEAN |
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64 > hg $CMD > after |
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65 > "$RUNTESTDIR/pdiff" before after || echo "*** missing corruption" |
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66 > test -f $CACHE || echo "not rebuilt" |
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67 > } |
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68 |
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69 Beat up tags caches: |
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70 |
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71 $ damage "tags --hidden" tags2 |
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72 $ damage tags tags2-visible |
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73 $ damage "tag -f t3" hgtagsfnodes1 |
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74 1 new orphan changesets |
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75 1 new orphan changesets |
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76 1 new orphan changesets |
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77 1 new orphan changesets |
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78 1 new orphan changesets |
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79 |
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80 Beat up branch caches: |
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81 |
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82 $ damage branches branch2-base "rm .hg/cache/branch2-[vs]*" |
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83 $ damage branches branch2-served "rm .hg/cache/branch2-[bv]*" |
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84 $ damage branches branch2-visible |
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85 $ damage "log -r branch(.)" rbc-names-v1 |
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86 $ damage "log -r branch(default)" rbc-names-v1 |
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87 $ damage "log -r branch(b2)" rbc-revs-v1 |
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88 |
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89 We currently can't detect an rbc cache with unknown names: |
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90 |
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91 $ damage "log -qr branch(b2)" rbc-names-v1 |
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92 --- before * (glob) |
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93 +++ after * (glob) |
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94 @@ -1,8 +?,0 @@ (glob) |
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95 -2:5fb7d38b9dc4 |
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96 -3:60b597ffdafa |
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97 -4:b1174d11b69e |
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98 -5:6354685872c0 |
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99 -6:5ebc725f1bef |
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100 -7:7b76eec2f273 |
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101 -8:ef3428d9d644 |
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102 -9:ba7a936bc03c |
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103 *** append corruption |