Mercurial > hg
annotate tests/test-largefiles-small-disk.t @ 29218:fd288d118074
largefiles: send statlfile remote calls only for nonexisting locally files
Files that are already in local store should be checked locally. The problem
with this implementation is how difference in messages between local and remote
checks should look like. For now local errors for file missing and content
corrupted looks like this:
'changeset cset: filename references missing storepath\n'
'changeset cset: filename references corrupted storepath\n'
for remote it looks like:
'changeset cset: filename missing\n'
'changeset cset: filename: contents differ\n'
Contents differ error for remote calls is never raised currently - for now
statlfile implementation lacks checking file content.
author | liscju <piotr.listkiewicz@gmail.com> |
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date | Mon, 09 May 2016 10:05:32 +0200 |
parents | 8a021cd38719 |
children | 7356e6b1f5b8 |
rev | line source |
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1 Test how largefiles abort in case the disk runs full |
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2 |
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3 $ cat > criple.py <<EOF |
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4 > import os, errno, shutil |
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5 > from mercurial import util |
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6 > # |
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7 > # this makes the original largefiles code abort: |
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8 > def copyfileobj(fsrc, fdst, length=16*1024): |
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9 > fdst.write(fsrc.read(4)) |
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10 > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC)) |
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11 > shutil.copyfileobj = copyfileobj |
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12 > # |
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13 > # this makes the rewritten code abort: |
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14 > def filechunkiter(f, size=65536, limit=None): |
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15 > yield f.read(4) |
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16 > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC)) |
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17 > util.filechunkiter = filechunkiter |
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18 > # |
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19 > def oslink(src, dest): |
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20 > raise OSError("no hardlinks, try copying instead") |
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21 > util.oslink = oslink |
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22 > EOF |
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23 |
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24 $ echo "[extensions]" >> $HGRCPATH |
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25 $ echo "largefiles =" >> $HGRCPATH |
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26 |
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27 $ hg init alice |
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28 $ cd alice |
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29 $ echo "this is a very big file" > big |
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30 $ hg add --large big |
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31 $ hg commit --config extensions.criple=$TESTTMP/criple.py -m big |
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32 abort: No space left on device |
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33 [255] |
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34 |
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35 The largefile is not created in .hg/largefiles: |
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36 |
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37 $ ls .hg/largefiles |
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38 dirstate |
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39 |
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40 The user cache is not even created: |
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41 |
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42 >>> import os; os.path.exists("$HOME/.cache/largefiles/") |
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43 False |
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44 |
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45 Make the commit with space on the device: |
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46 |
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47 $ hg commit -m big |
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48 |
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49 Now make a clone with a full disk, and make sure lfutil.link function |
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50 makes copies instead of hardlinks: |
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51 |
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52 $ cd .. |
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53 $ hg --config extensions.criple=$TESTTMP/criple.py clone --pull alice bob |
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54 requesting all changes |
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55 adding changesets |
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56 adding manifests |
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57 adding file changes |
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58 added 1 changesets with 1 changes to 1 files |
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59 updating to branch default |
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60 getting changed largefiles |
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61 abort: No space left on device |
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62 [255] |
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63 |
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64 The largefile is not created in .hg/largefiles: |
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65 |
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66 $ ls bob/.hg/largefiles |
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67 dirstate |