Mercurial > hg
annotate tests/test-racy-mutations.t @ 46643:eef13b940887
typing: add type annotations to the public methods of mercurial/subrepoutil.py
Differential Revision: https://phab.mercurial-scm.org/D10125
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Sat, 06 Mar 2021 17:52:09 -0500 |
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children | a12819559ccb |
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1 #testcases skip-detection fail-if-detected |
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2 |
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3 Test situations that "should" only be reproducible: |
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4 - on networked filesystems, or |
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5 - user using `hg debuglocks` to eliminate the lock file, or |
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6 - something (that doesn't respect the lock file) writing to the .hg directory |
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7 while we're running |
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8 |
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9 $ hg init a |
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10 $ cd a |
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11 |
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12 $ cat > "$TESTTMP/waitlock_editor.sh" <<EOF |
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13 > [ -n "\${WAITLOCK_ANNOUNCE:-}" ] && touch "\${WAITLOCK_ANNOUNCE}" |
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14 > f="\${WAITLOCK_FILE}" |
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15 > start=\`date +%s\` |
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16 > timeout=5 |
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17 > while [ \\( ! -f \$f \\) -a \\( ! -L \$f \\) ]; do |
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18 > now=\`date +%s\` |
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19 > if [ "\`expr \$now - \$start\`" -gt \$timeout ]; then |
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20 > echo "timeout: \$f was not created in \$timeout seconds (it is now \$(date +%s))" |
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21 > exit 1 |
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22 > fi |
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23 > sleep 0.1 |
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24 > done |
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25 > if [ \$# -gt 1 ]; then |
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26 > cat "\$@" |
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27 > fi |
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28 > EOF |
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29 $ chmod +x "$TESTTMP/waitlock_editor.sh" |
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30 |
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31 Things behave differently if we don't already have a 00changelog.i file when |
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32 this all starts, so let's make one. |
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33 |
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34 $ echo r0 > r0 |
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35 $ hg commit -qAm 'r0' |
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36 |
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37 Start an hg commit that will take a while |
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38 $ EDITOR_STARTED="$(pwd)/.editor_started" |
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39 $ MISCHIEF_MANAGED="$(pwd)/.mischief_managed" |
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40 $ JOBS_FINISHED="$(pwd)/.jobs_finished" |
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41 |
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42 #if fail-if-detected |
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43 $ cat >> .hg/hgrc << EOF |
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44 > [debug] |
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45 > revlog.verifyposition.changelog = fail |
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46 > EOF |
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47 #endif |
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48 |
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49 $ echo foo > foo |
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50 $ (WAITLOCK_ANNOUNCE="${EDITOR_STARTED}" \ |
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51 > WAITLOCK_FILE="${MISCHIEF_MANAGED}" \ |
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52 > HGEDITOR="$TESTTMP/waitlock_editor.sh" \ |
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53 > hg commit -qAm 'r1 (foo)' --edit foo > .foo_commit_out 2>&1 ; touch "${JOBS_FINISHED}") & |
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54 |
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55 Wait for the "editor" to actually start |
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56 $ WAITLOCK_FILE="${EDITOR_STARTED}" "$TESTTMP/waitlock_editor.sh" |
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57 |
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58 Break the locks, and make another commit. |
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59 $ hg debuglocks -LW |
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60 $ echo bar > bar |
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61 $ hg commit -qAm 'r2 (bar)' bar |
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62 $ hg debugrevlogindex -c |
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63 rev linkrev nodeid p1 p2 |
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64 0 0 222799e2f90b 000000000000 000000000000 |
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65 1 1 6f124f6007a0 222799e2f90b 000000000000 |
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66 |
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67 Awaken the editor from that first commit |
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68 $ touch "${MISCHIEF_MANAGED}" |
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69 And wait for it to finish |
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70 $ WAITLOCK_FILE="${JOBS_FINISHED}" "$TESTTMP/waitlock_editor.sh" |
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71 |
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72 #if skip-detection |
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73 (Ensure there was no output) |
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74 $ cat .foo_commit_out |
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75 And observe a corrupted repository -- rev 2's linkrev is 1, which should never |
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76 happen for the changelog (the linkrev should always refer to itself). |
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77 $ hg debugrevlogindex -c |
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78 rev linkrev nodeid p1 p2 |
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79 0 0 222799e2f90b 000000000000 000000000000 |
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80 1 1 6f124f6007a0 222799e2f90b 000000000000 |
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81 2 1 ac80e6205bb2 222799e2f90b 000000000000 |
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82 #endif |
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83 |
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84 #if fail-if-detected |
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85 $ cat .foo_commit_out |
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86 transaction abort! |
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87 rollback completed |
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88 note: commit message saved in .hg/last-message.txt |
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89 note: use 'hg commit --logfile .hg/last-message.txt --edit' to reuse it |
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90 abort: 00changelog.i: file cursor at position 249, expected 121 |
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91 And no corruption in the changelog. |
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92 $ hg debugrevlogindex -c |
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93 rev linkrev nodeid p1 p2 |
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94 0 0 222799e2f90b 000000000000 000000000000 |
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95 1 1 6f124f6007a0 222799e2f90b 000000000000 |
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96 And, because of transactions, there's none in the manifestlog either. |
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97 $ hg debugrevlogindex -m |
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98 rev linkrev nodeid p1 p2 |
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99 0 0 7b7020262a56 000000000000 000000000000 |
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100 1 1 ad3fe36d86d9 7b7020262a56 000000000000 |
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101 #endif |
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102 |