tests/test-hg-parseurl.py

revset: prefetch method in "parents"

As already demonstrated, saving attribute lookup gains us some minor but
noticeable performance improvements.

revset #0: parents(all())
before) 0.024169
after ) 0.022756  94%

from mercurial.hg import parseurl

def testparse(url, branch=[]):
    print '%s, branches: %r' % parseurl(url, branch)

testparse('http://example.com/no/anchor')
testparse('http://example.com/an/anchor#foo')
testparse('http://example.com/no/anchor/branches', branch=['foo'])
testparse('http://example.com/an/anchor/branches#bar', branch=['foo'])
testparse('http://example.com/an/anchor/branches-None#foo', branch=None)
testparse('http://example.com/')
testparse('http://example.com')
testparse('http://example.com#foo')