tests/test-issue2137.t
author Yuya Nishihara <yuya@tcha.org>
Tue, 13 Nov 2018 22:15:30 +0900
changeset 40618 ff8b2886c492
parent 36564 c4ccc73f9d49
permissions -rw-r--r--
templater: check invalid use of list expression properly (issue5920) The error message is still cryptic, but it should be better.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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https://bz.mercurial-scm.org/2137
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Setup:
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create a little extension that has 3 side-effects:
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1) ensure changelog data is not inlined
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2) make revlog to use lazyparser
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3) test that repo.lookup() works
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1 and 2 are preconditions for the bug; 3 is the bug.
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  $ cat > commitwrapper.py <<EOF
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  > from mercurial import extensions, node, revlog
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  > 
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  > def reposetup(ui, repo):
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  >     class wraprepo(repo.__class__):
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  >         def commit(self, *args, **kwargs):
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  >             result = super(wraprepo, self).commit(*args, **kwargs)
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  >             tip1 = node.short(repo.changelog.tip())
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  >             tip2 = node.short(repo.lookup(tip1))
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  >             assert tip1 == tip2
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  >             ui.write(b'new tip: %s\n' % tip1)
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  >             return result
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  >     repo.__class__ = wraprepo
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  > 
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  > def extsetup(ui):
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  >     revlog._maxinline = 8             # split out 00changelog.d early
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  >     revlog._prereadsize = 8           # use revlog.lazyparser
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  > EOF
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  $ cat >> $HGRCPATH <<EOF
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  > [extensions]
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  > commitwrapper = `pwd`/commitwrapper.py
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  > EOF
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  $ hg init repo1
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  $ cd repo1
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  $ echo a > a
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  $ hg commit -A -m'add a with a long commit message to make the changelog a bit bigger'
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  adding a
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  new tip: 553596fad57b
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Test that new changesets are visible to repo.lookup():
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  $ echo a >> a
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  $ hg commit -m'one more commit to demonstrate the bug'
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  new tip: 799ae3599e0e
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  $ hg tip
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  changeset:   1:799ae3599e0e
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  tag:         tip
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  summary:     one more commit to demonstrate the bug
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  $ cd ..