tests/test-context.py

phases: move root phase assignment to it's own function

This moves the initial root phase assignment to it's own function. Future
patches which make phase calculations lazy will use this function to pre-fill
certain phases which can be deduced from the roots.

import os
from mercurial import hg, ui, context, encoding

u = ui.ui()

repo = hg.repository(u, 'test1', create=1)
os.chdir('test1')

# create 'foo' with fixed time stamp
f = open('foo', 'w')
f.write('foo\n')
f.close()
os.utime('foo', (1000, 1000))

# add+commit 'foo'
repo[None].add(['foo'])
repo.commit(text='commit1', date="0 0")

print "workingfilectx.date =", repo[None]['foo'].date()

# test memctx with non-ASCII commit message

def filectxfn(repo, memctx, path):
    return context.memfilectx(repo, "foo", "")

ctx = context.memctx(repo, ['tip', None],
                     encoding.tolocal("Gr\xc3\xbcezi!"),
                     ["foo"], filectxfn)
ctx.commit()
for enc in "ASCII", "Latin-1", "UTF-8":
    encoding.encoding = enc
    print "%-8s: %s" % (enc, repo["tip"].description())

# test performing a status

def getfilectx(repo, memctx, f):
    fctx = memctx.parents()[0][f]
    data, flags = fctx.data(), fctx.flags()
    if f == 'foo':
        data += 'bar\n'
    return context.memfilectx(repo, f, data, 'l' in flags, 'x' in flags)

ctxa = repo.changectx(0)
ctxb = context.memctx(repo, [ctxa.node(), None], "test diff", ["foo"],
                      getfilectx, ctxa.user(), ctxa.date())

print ctxb.status(ctxa)

# test performing a diff on a memctx

for d in ctxb.diff(ctxa, git=True):
    print d