view tests/test-lrucachedict.py @ 23968:6564ec382560 stable

mergetools: drop incorrect quoting of diffargs variables

72a89cf86fcd introduced automatic quoting of diffargs in a not entirely
backwards compatible way. That rendered some of the configuration in
mergetools.rc invalid. It would fail when running extdiff on a single file with
a name that needed quoting.

Before:

  $ hg config merge-tools.meld.diffargs
  -a --label='$plabel1' $parent --label='$clabel' $child
  $ hg --config extdiff.meld= -v --debug meld
  running "/usr/bin/meld -a --label=''sp ace@0'' '.../Z.b7a65a1d2f84/sp ace' --label=''sp ace'' '.../sp ace'" in ...
  meld: error: too many arguments (wanted 0-3, got 4)

After:

  $ hg config merge-tools.meld.diffargs
  -a --label=$plabel1 $parent --label=$clabel $child
  $ hg --config extdiff.meld= -v --debug meld
  running "/usr/bin/meld -a --label='sp ace@0' '.../Z.b7a65a1d2f84/sp ace' --label='sp ace' '.../sp ace'" in ...
(success)

from mercurial import util

def printifpresent(d, xs):
    for x in xs:
        present = x in d
        print "'%s' in d: %s" % (x, present)
        if present:
            print "d['%s']: %s" % (x, d[x])

def test_lrucachedict():
    d = util.lrucachedict(4)
    d['a'] = 'va'
    d['b'] = 'vb'
    d['c'] = 'vc'
    d['d'] = 'vd'

    # all of these should be present
    printifpresent(d, ['a', 'b', 'c', 'd'])

    # 'a' should be dropped because it was least recently used
    d['e'] = 've'
    printifpresent(d, ['a', 'b', 'c', 'd', 'e'])

    # touch entries in some order (get or set).
    d['e']
    d['c'] = 'vc2'
    d['d']
    d['b'] = 'vb2'

    # 'e' should be dropped now
    d['f'] = 'vf'
    printifpresent(d, ['b', 'c', 'd', 'e', 'f'])

    d.clear()
    printifpresent(d, ['b', 'c', 'd', 'e', 'f'])

if __name__ == '__main__':
    test_lrucachedict()