Mercurial > hg
annotate tests/test-bookmarks-corner-case.t @ 46800:186c0f6fbc16
tests: ask any chg instance to terminate before looking at sqlite dbs
There are spurious errors in CI where the database is still locked, so
force the daemon to quit to get deterministic behavior. Since the kill
command itself is racy, also sleep 2s to give the server time to wake up
and exit.
Differential Revision: https://phab.mercurial-scm.org/D10244
author | Joerg Sonnenberger <joerg@bec.de> |
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date | Sat, 20 Mar 2021 00:37:57 +0100 |
parents | 7e19b640c53e |
children | 9c4204b7f3e4 |
rev | line source |
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1 ================================ |
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2 Test corner case around bookmark |
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3 ================================ |
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4 |
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5 This test file is meant to gather test around bookmark that are specific |
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6 enough to not find a place elsewhere. |
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7 |
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8 Test bookmark/changelog race condition |
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9 ====================================== |
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10 |
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11 The data from the bookmark file are filtered to only contains bookmark with |
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12 node known to the changelog. If the cache invalidation between these two bits |
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13 goes wrong, bookmark can be dropped. |
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14 |
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15 global setup |
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16 ------------ |
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17 |
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18 $ cat >> $HGRCPATH << EOF |
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19 > [ui] |
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20 > ssh = "$PYTHON" "$TESTDIR/dummyssh" |
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21 > [server] |
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22 > concurrent-push-mode=check-related |
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23 > EOF |
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24 |
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25 Setup |
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26 ----- |
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27 |
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28 initial repository setup |
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29 |
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30 $ hg init bookrace-server |
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31 $ cd bookrace-server |
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32 $ echo a > a |
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33 $ hg add a |
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34 $ hg commit -m root |
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35 $ echo a >> a |
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36 $ hg bookmark book-A |
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37 $ hg commit -m A0 |
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38 $ hg up 'desc(root)' |
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39 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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40 (leaving bookmark book-A) |
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41 $ echo b > b |
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42 $ hg add b |
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43 $ hg bookmark book-B |
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44 $ hg commit -m B0 |
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45 created new head |
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46 $ hg up null |
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47 0 files updated, 0 files merged, 2 files removed, 0 files unresolved |
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48 (leaving bookmark book-B) |
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49 $ hg phase --public --rev 'all()' |
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50 $ hg log -G |
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51 o changeset: 2:c79985706978 |
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52 | bookmark: book-B |
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53 | tag: tip |
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54 | parent: 0:6569b5a81c7e |
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55 | user: test |
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56 | date: Thu Jan 01 00:00:00 1970 +0000 |
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57 | summary: B0 |
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58 | |
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59 | o changeset: 1:39c28d785860 |
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60 |/ bookmark: book-A |
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61 | user: test |
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62 | date: Thu Jan 01 00:00:00 1970 +0000 |
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63 | summary: A0 |
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64 | |
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65 o changeset: 0:6569b5a81c7e |
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66 user: test |
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67 date: Thu Jan 01 00:00:00 1970 +0000 |
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68 summary: root |
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69 |
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70 $ hg book |
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71 book-A 1:39c28d785860 |
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72 book-B 2:c79985706978 |
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73 $ cd .. |
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74 |
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75 Add new changeset on each bookmark in distinct clones |
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76 |
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77 $ hg clone ssh://user@dummy/bookrace-server client-A |
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78 requesting all changes |
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79 adding changesets |
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80 adding manifests |
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81 adding file changes |
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82 added 3 changesets with 3 changes to 2 files (+1 heads) |
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83 new changesets 6569b5a81c7e:c79985706978 |
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84 updating to branch default |
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85 2 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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86 $ hg -R client-A update book-A |
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87 1 files updated, 0 files merged, 1 files removed, 0 files unresolved |
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88 (activating bookmark book-A) |
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89 $ echo a >> client-A/a |
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90 $ hg -R client-A commit -m A1 |
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91 $ hg clone ssh://user@dummy/bookrace-server client-B |
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92 requesting all changes |
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93 adding changesets |
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94 adding manifests |
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95 adding file changes |
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96 added 3 changesets with 3 changes to 2 files (+1 heads) |
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97 new changesets 6569b5a81c7e:c79985706978 |
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98 updating to branch default |
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99 2 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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100 $ hg -R client-B update book-B |
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101 0 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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102 (activating bookmark book-B) |
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103 $ echo b >> client-B/b |
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104 $ hg -R client-B commit -m B1 |
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105 |
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106 extension to reproduce the race |
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107 ------------------------------- |
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108 |
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109 If two process are pushing we want to make sure the following happens: |
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110 |
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111 * process A read changelog |
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112 * process B to its full push |
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113 * process A read bookmarks |
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114 * process A proceed with rest of the push |
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115 |
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116 We build a server side extension for this purpose |
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117 |
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118 $ cat > bookrace.py << EOF |
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119 > import atexit |
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120 > import os |
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121 > import time |
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122 > from mercurial import bookmarks, error, extensions |
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123 > |
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124 > def wait(repo): |
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125 > if not os.path.exists('push-A-started'): |
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126 > assert repo._currentlock(repo._lockref) is None |
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127 > assert repo._currentlock(repo._wlockref) is None |
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128 > repo.ui.status(b'setting raced push up\n') |
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129 > with open('push-A-started', 'w'): |
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130 > pass |
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131 > clock = 300 |
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132 > while not os.path.exists('push-B-done'): |
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133 > clock -= 1 |
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134 > if clock <= 0: |
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135 > raise error.Abort("race scenario timed out") |
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136 > time.sleep(0.1) |
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137 > |
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138 > def reposetup(ui, repo): |
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139 > class racedrepo(repo.__class__): |
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140 > @property |
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141 > def _bookmarks(self): |
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142 > wait(self) |
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143 > return super(racedrepo, self)._bookmarks |
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144 > repo.__class__ = racedrepo |
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145 > |
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146 > def e(): |
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147 > with open('push-A-done', 'w'): |
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148 > pass |
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149 > atexit.register(e) |
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150 > EOF |
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151 |
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152 Actual test |
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153 ----------- |
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154 |
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155 Start the raced push. |
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156 |
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157 $ cat >> bookrace-server/.hg/hgrc << EOF |
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158 > [extensions] |
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159 > bookrace=$TESTTMP/bookrace.py |
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160 > EOF |
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161 $ hg push -R client-A -r book-A >push-output.txt 2>&1 & |
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162 |
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163 Wait up to 30 seconds for that push to start. |
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164 |
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165 $ clock=30 |
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166 $ while [ ! -f push-A-started ] && [ $clock -gt 0 ] ; do |
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167 > clock=`expr $clock - 1` |
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168 > sleep 1 |
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169 > done |
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170 |
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171 Do the other push. |
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172 |
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173 $ cat >> bookrace-server/.hg/hgrc << EOF |
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174 > [extensions] |
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175 > bookrace=! |
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176 > EOF |
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177 |
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178 $ hg push -R client-B -r book-B |
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179 pushing to ssh://user@dummy/bookrace-server |
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180 searching for changes |
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181 remote: adding changesets |
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182 remote: adding manifests |
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183 remote: adding file changes |
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184 remote: added 1 changesets with 1 changes to 1 files |
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185 updating bookmark book-B |
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186 |
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187 Signal the raced put that we are done (it waits up to 30 seconds). |
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188 |
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189 $ touch push-B-done |
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190 |
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191 Wait for the raced push to finish (with the remaning of the initial 30 seconds). |
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192 |
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193 $ while [ ! -f push-A-done ] && [ $clock -gt 0 ] ; do |
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194 > clock=`expr $clock - 1` |
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195 > sleep 1 |
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196 > done |
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197 |
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198 Check raced push output. |
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199 |
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200 $ cat push-output.txt |
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201 pushing to ssh://user@dummy/bookrace-server |
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202 searching for changes |
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203 remote: setting raced push up |
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204 remote has heads on branch 'default' that are not known locally: f26c3b5167d1 |
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205 remote: adding changesets |
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206 remote: adding manifests |
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207 remote: adding file changes |
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208 remote: added 1 changesets with 1 changes to 1 files |
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209 updating bookmark book-A |
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210 |
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211 Check result of the push. |
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212 |
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213 $ hg -R bookrace-server log -G |
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214 o changeset: 4:9ce3b28c16de |
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215 | bookmark: book-A |
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216 | tag: tip |
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217 | parent: 1:39c28d785860 |
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218 | user: test |
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219 | date: Thu Jan 01 00:00:00 1970 +0000 |
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220 | summary: A1 |
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221 | |
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222 | o changeset: 3:f26c3b5167d1 |
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223 | | bookmark: book-B |
42322
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224 | | user: test |
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225 | | date: Thu Jan 01 00:00:00 1970 +0000 |
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226 | | summary: B1 |
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227 | | |
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228 | o changeset: 2:c79985706978 |
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229 | | parent: 0:6569b5a81c7e |
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230 | | user: test |
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231 | | date: Thu Jan 01 00:00:00 1970 +0000 |
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232 | | summary: B0 |
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233 | | |
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234 o | changeset: 1:39c28d785860 |
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235 |/ user: test |
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236 | date: Thu Jan 01 00:00:00 1970 +0000 |
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237 | summary: A0 |
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238 | |
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239 o changeset: 0:6569b5a81c7e |
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240 user: test |
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241 date: Thu Jan 01 00:00:00 1970 +0000 |
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242 summary: root |
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243 |
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244 $ hg -R bookrace-server book |
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245 book-A 4:9ce3b28c16de |
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246 book-B 3:f26c3b5167d1 |