tests/test-bundle2.t
author Pierre-Yves David <pierre-yves.david@fb.com>
Tue, 18 Mar 2014 15:56:24 -0700
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permissions -rw-r--r--
bundle2: support for unbundling simple parameter the unbundler now understand simple list of parameter.
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Create an extension to test bundle2 API
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  $ cat > bundle2.py << EOF
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  > """A small extension to test bundle2 implementation
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  > 
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  > Current bundle2 implementation is far too limited to be used in any core
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  > code. We still need to be able to test it while it grow up.
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  > """
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  > 
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  > import sys
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  > from mercurial import cmdutil
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  > from mercurial import bundle2
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  > cmdtable = {}
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  > command = cmdutil.command(cmdtable)
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  > 
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  > @command('bundle2',
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  >          [('', 'param', [], 'stream level parameter'),],
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  >          '')
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  > def cmdbundle2(ui, repo, **opts):
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  >     """write a bundle2 container on standard ouput"""
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  >     bundler = bundle2.bundle20()
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  >     for p in opts['param']:
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  >         bundler.addparam(p)
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  >     for chunk in bundler.getchunks():
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  >         ui.write(chunk)
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  > 
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  > @command('unbundle2', [], '')
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  > def cmdunbundle2(ui, repo):
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  >     """read a bundle2 container from standard input"""
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  >     unbundler = bundle2.unbundle20(sys.stdin)
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  >     ui.write('options count: %i\n' % len(unbundler.params))
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  >     for key in sorted(unbundler.params):
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  >         ui.write('- %s\n' % key)
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  >     parts = list(unbundler)
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  >     ui.write('parts count:   %i\n' % len(parts))
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  > EOF
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  $ cat >> $HGRCPATH << EOF
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  > [extensions]
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  > bundle2=$TESTTMP/bundle2.py
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  > EOF
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The extension requires a repo (currently unused)
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  $ hg init main
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  $ cd main
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  $ touch a
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  $ hg add a
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  $ hg commit -m 'a'
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Empty bundle
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=================
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- no option
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- no parts
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Test bundling
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  $ hg bundle2
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  HG20\x00\x00\x00\x00 (no-eol) (esc)
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Test unbundling
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  $ hg bundle2 | hg unbundle2
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  options count: 0
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  parts count:   0
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Test old style bundle are detected and refused
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  $ hg bundle --all ../bundle.hg
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  1 changesets found
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  $ hg unbundle2 < ../bundle.hg
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  abort: unknown bundle version 10
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  [255]
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Test parameters
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=================
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- some options
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- no parts
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advisory parameters, no value
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-------------------------------
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Simplest possible parameters form
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Test generation simple option
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  $ hg bundle2 --param 'caution'
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  HG20\x00\x07caution\x00\x00 (no-eol) (esc)
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Test unbundling
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  $ hg bundle2 --param 'caution' | hg unbundle2
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  options count: 1
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  - caution
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  parts count:   0
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Test generation multiple option
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  $ hg bundle2 --param 'caution' --param 'meal'
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  HG20\x00\x0ccaution meal\x00\x00 (no-eol) (esc)
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Test unbundling
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  $ hg bundle2 --param 'caution' --param 'meal' | hg unbundle2
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  options count: 2
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  - caution
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  - meal
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  parts count:   0
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