from __future__ import print_function

import os

from hgext import color

from mercurial import dispatch, ui

# ensure errors aren't buffered

testui = color.colorui()

testui.pushbuffer()

testui.write(('buffered\n'))

testui.warn(('warning\n'))

testui.write_err('error\n')

print(repr(testui.popbuffer()))

# test dispatch.dispatch with the same ui object

hgrc = open(os.environ["HGRCPATH"], 'w')

hgrc.write('[extensions]\n')

hgrc.write('color=\n')

hgrc.close()

ui_ = ui.ui()

ui_.setconfig('ui', 'formatted', 'True')

# we're not interested in the output, so write that to devnull

ui_.fout = open(os.devnull, 'w')

# call some arbitrary command just so we go through

# color's wrapped _runcommand twice.

def runcmd():

    dispatch.dispatch(dispatch.request(['version', '-q'], ui_))

runcmd()

print("colored? " + str(issubclass(ui_.__class__, color.colorui)))

runcmd()

print("colored? " + str(issubclass(ui_.__class__, color.colorui)))