# this is hack to make sure no escape characters are inserted into the output

from __future__ import absolute_import

import doctest

import os

import re

import sys

ispy3 = (sys.version_info[0] >= 3)

if 'TERM' in os.environ:

    del os.environ['TERM']

class py3docchecker(doctest.OutputChecker):

    def check_output(self, want, got, optionflags):

        want2 = re.sub(r'''\bu(['"])(.*?)\1''', r'\1\2\1', want)  # py2: u''

        got2 = re.sub(r'''\bb(['"])(.*?)\1''', r'\1\2\1', got)  # py3: b''

        # py3: <exc.name>: b'<msg>' -> <name>: <msg>

        #      <exc.name>: <others> -> <name>: <others>

        got2 = re.sub(r'''^mercurial\.\w+\.(\w+): (['"])(.*?)\2''', r'\1: \3',

                      got2, re.MULTILINE)

        got2 = re.sub(r'^mercurial\.\w+\.(\w+): ', r'\1: ', got2, re.MULTILINE)

        return any(doctest.OutputChecker.check_output(self, w, g, optionflags)

                   for w, g in [(want, got), (want2, got2)])

# TODO: migrate doctests to py3 and enable them on both versions

def testmod(name, optionflags=0, testtarget=None, py2=True, py3=True):

    if not (not ispy3 and py2 or ispy3 and py3):

        return

    __import__(name)

    mod = sys.modules[name]

    if testtarget is not None:

        mod = getattr(mod, testtarget)

    # minimal copy of doctest.testmod()

    finder = doctest.DocTestFinder()

    checker = None

    if ispy3:

        checker = py3docchecker()

    runner = doctest.DocTestRunner(checker=checker, optionflags=optionflags)

    for test in finder.find(mod, name):

        runner.run(test)

    runner.summarize()

testmod('mercurial.changegroup')

testmod('mercurial.changelog')

testmod('mercurial.color')

testmod('mercurial.config')

testmod('mercurial.context')

testmod('mercurial.dagparser', optionflags=doctest.NORMALIZE_WHITESPACE)

testmod('mercurial.dispatch')

testmod('mercurial.encoding')

testmod('mercurial.formatter')

testmod('mercurial.hg')

testmod('mercurial.hgweb.hgwebdir_mod')

testmod('mercurial.match')

testmod('mercurial.mdiff')

testmod('mercurial.minirst')

testmod('mercurial.patch')

testmod('mercurial.pathutil')

testmod('mercurial.parser')

testmod('mercurial.pycompat')

testmod('mercurial.revsetlang')

testmod('mercurial.smartset')

testmod('mercurial.store')

testmod('mercurial.subrepo')

testmod('mercurial.templatefilters')

testmod('mercurial.templater')

testmod('mercurial.ui')

testmod('mercurial.url')

testmod('mercurial.util', py3=False)  # py3: multiple bytes/unicode issues

testmod('mercurial.util', testtarget='platform')

testmod('hgext.convert.cvsps')

testmod('hgext.convert.filemap')

testmod('hgext.convert.p4')

testmod('hgext.convert.subversion')

testmod('hgext.mq')

# Helper scripts in tests/ that have doctests:

testmod('drawdag')