tests/test-fix-metadata.t
author Raphaël Gomès <rgomes@octobus.net>
Thu, 28 Mar 2024 14:47:20 +0000
branchstable
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permissions -rw-r--r--
relnotes: add 6.7.2
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A python hook for "hg fix" that prints out the number of files and revisions
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that were affected, along with which fixer tools were applied. Also checks how
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many times it sees a specific key generated by one of the fixer tools defined
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below.
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  $ cat >> $TESTTMP/postfixhook.py <<EOF
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  > import collections
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  > def file(ui, repo, rev=None, path=b'', metadata=None, **kwargs):
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  >   ui.status(b'fixed %s in revision %d using %s\n' %
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  >             (path, rev, b', '.join(metadata.keys())))
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  > def summarize(ui, repo, replacements=None, wdirwritten=False,
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  >               metadata=None, **kwargs):
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  >     counts = collections.defaultdict(int)
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  >     keys = 0
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  >     for fixername, metadatalist in metadata.items():
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  >         for metadata in metadatalist:
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  >             if metadata is None:
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  >                 continue
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  >             counts[fixername] += 1
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  >             if 'key' in metadata:
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  >                 keys += 1
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  >     ui.status(b'saw "key" %d times\n' % (keys,))
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  >     for name, count in sorted(counts.items()):
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  >         ui.status(b'fixed %d files with %s\n' % (count, name))
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  >     if replacements:
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  >         ui.status(b'fixed %d revisions\n' % (len(replacements),))
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  >     if wdirwritten:
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  >         ui.status(b'fixed the working copy\n')
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  > EOF
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Some mock output for fixer tools that demonstrate what could go wrong with
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expecting the metadata output format.
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  $ printf 'new content\n' > $TESTTMP/missing
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  $ printf 'not valid json\0new content\n' > $TESTTMP/invalid
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  $ printf '{"key": "value"}\0new content\n' > $TESTTMP/valid
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Configure some fixer tools based on the output defined above, and enable the
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hooks defined above. Disable parallelism to make output of the parallel file
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processing phase stable.
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  $ cat >> $HGRCPATH <<EOF
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  > [extensions]
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  > fix =
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  > [fix]
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  > metadatafalse:command=cat $TESTTMP/missing
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  > metadatafalse:pattern=metadatafalse
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  > metadatafalse:metadata=false
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  > missing:command=cat $TESTTMP/missing
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  > missing:pattern=missing
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  > missing:metadata=true
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  > invalid:command=cat $TESTTMP/invalid
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  > invalid:pattern=invalid
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  > invalid:metadata=true
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  > valid:command=cat $TESTTMP/valid
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  > valid:pattern=valid
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  > valid:metadata=true
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  > [hooks]
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  > postfixfile = python:$TESTTMP/postfixhook.py:file
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  > postfix = python:$TESTTMP/postfixhook.py:summarize
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  > [worker]
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  > enabled=false
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  > EOF
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See what happens when we execute each of the fixer tools. Some print warnings,
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some write back to the file.
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  $ hg init repo
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  $ cd repo
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  $ printf "old content\n" > metadatafalse
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  $ printf "old content\n" > invalid
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  $ printf "old content\n" > missing
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  $ printf "old content\n" > valid
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  $ hg add -q
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  $ hg fix -w
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  ignored invalid output from fixer tool: invalid
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  fixed metadatafalse in revision 2147483647 using metadatafalse
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  ignored invalid output from fixer tool: missing
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  fixed valid in revision 2147483647 using valid
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  saw "key" 1 times
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  fixed 1 files with valid
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  fixed the working copy
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  $ cat metadatafalse
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  new content
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  $ cat missing
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  old content
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  $ cat invalid
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  old content
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  $ cat valid
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  new content
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  $ cd ..