# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

Test suite for vcs push/pull operations.

The tests need Git > 1.8.1.

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Dec 30, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import json

import os

import re

import tempfile

import time

import urllib.request

from subprocess import PIPE, Popen

from tempfile import _RandomNameSequence

import pytest

import kallithea

from kallithea.lib.utils2 import ascii_bytes, safe_str

from kallithea.model import db, meta

from kallithea.model.ssh_key import SshKeyModel

from kallithea.model.user import UserModel

from kallithea.tests import base

from kallithea.tests.fixture import Fixture

DEBUG = True

HOST = '127.0.0.1:4999'  # test host

fixture = Fixture()

# Parameterize different kinds of VCS testing - both the kind of VCS and the

# access method (HTTP/SSH)

# Mixin for using HTTP and SSH URLs

class HttpVcsTest(object):

    @staticmethod

    def repo_url_param(webserver, repo_name, **kwargs):

        return webserver.repo_url(repo_name, **kwargs)

class SshVcsTest(object):

    public_keys = {

        base.TEST_USER_REGULAR_LOGIN: 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQC6Ycnc2oUZHQnQwuqgZqTTdMDZD7ataf3JM7oG2Fw8JR6cdmz4QZLe5mfDwaFwG2pWHLRpVqzfrD/Pn3rIO++bgCJH5ydczrl1WScfryV1hYMJ/4EzLGM657J1/q5EI+b9SntKjf4ax+KP322L0TNQGbZUHLbfG2MwHMrYBQpHUQ== kallithea@localhost',

        base.TEST_USER_ADMIN_LOGIN: 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQC6Ycnc2oUZHQnQwuqgZqTTdMDZD7ataf3JM7oG2Fw8JR6cdmz4QZLe5mfDwaFwG2pWHLRpVqzfrD/Pn3rIO++bgCJH5ydczrl1WScfryV1hYMJ/4EzLGM657J1/q5EI+b9SntKjf4ax+KP322L0TNQGbZUHLbfG2MwHMrYBQpHUq== kallithea@localhost',

    }

    @classmethod

    def repo_url_param(cls, webserver, repo_name, username=base.TEST_USER_ADMIN_LOGIN, password=base.TEST_USER_ADMIN_PASS, client_ip=base.IP_ADDR):

        user = db.User.get_by_username(username)

        if user.ssh_keys:

            ssh_key = user.ssh_keys[0]

        else:

            sshkeymodel = SshKeyModel()

            ssh_key = sshkeymodel.create(user, 'test key', cls.public_keys[user.username])

            meta.Session().commit()

        return cls._ssh_param(repo_name, user, ssh_key, client_ip)

# Mixins for using Mercurial and Git

class HgVcsTest(object):

    repo_type = 'hg'

    repo_name = base.HG_REPO

class GitVcsTest(object):

    repo_type = 'git'

    repo_name = base.GIT_REPO

# Combine mixins to give the combinations we want to parameterize tests with

class HgHttpVcsTest(HgVcsTest, HttpVcsTest):

    pass

class GitHttpVcsTest(GitVcsTest, HttpVcsTest):

    pass

class HgSshVcsTest(HgVcsTest, SshVcsTest):

    @staticmethod

    def _ssh_param(repo_name, user, ssh_key, client_ip):

        # Specify a custom ssh command on the command line

        return r"""--config ui.ssh="bash -c 'SSH_ORIGINAL_COMMAND=\"\$2\" SSH_CONNECTION=\"%s 1024 127.0.0.1 22\" kallithea-cli ssh-serve -c %s %s %s' --" ssh://someuser@somehost/%s""" % (

            client_ip,

            kallithea.CONFIG['__file__'],

            user.user_id,

            ssh_key.user_ssh_key_id,

            repo_name)

class GitSshVcsTest(GitVcsTest, SshVcsTest):

    @staticmethod

    def _ssh_param(repo_name, user, ssh_key, client_ip):

        # Set a custom ssh command in the global environment

        os.environ['GIT_SSH_COMMAND'] = r"""bash -c 'SSH_ORIGINAL_COMMAND="$2" SSH_CONNECTION="%s 1024 127.0.0.1 22" kallithea-cli ssh-serve -c %s %s %s' --""" % (

            client_ip,

            kallithea.CONFIG['__file__'],

            user.user_id,

            ssh_key.user_ssh_key_id)

        return "ssh://someuser@somehost/%s""" % repo_name

parametrize_vcs_test = base.parametrize('vt', [

    HgHttpVcsTest,

    GitHttpVcsTest,

    HgSshVcsTest,

    GitSshVcsTest,

])

parametrize_vcs_test_hg = base.parametrize('vt', [

    HgHttpVcsTest,

    HgSshVcsTest,

])

parametrize_vcs_test_http = base.parametrize('vt', [

    HgHttpVcsTest,

    GitHttpVcsTest,

])

class Command(object):

    def __init__(self, cwd):

        self.cwd = cwd

    def execute(self, *args, **environ):

        """

        Runs command on the system with given ``args`` using simple space

        join without safe quoting.

        """

        command = ' '.join(args)

        ignoreReturnCode = environ.pop('ignoreReturnCode', False)

        if DEBUG:

            print('*** CMD %s ***' % command)

        testenv = dict(os.environ)

        testenv['LANG'] = 'en_US.UTF-8'

        testenv['LANGUAGE'] = 'en_US:en'

        testenv['HGPLAIN'] = ''

        testenv['HGRCPATH'] = ''

        testenv.update(environ)

        p = Popen(command, shell=True, stdout=PIPE, stderr=PIPE, cwd=self.cwd, env=testenv)

        stdout, stderr = p.communicate()

        if DEBUG:

            if stdout:

                print('stdout:', stdout)

            if stderr:

                print('stderr:', stderr)

        if not ignoreReturnCode:

            assert p.returncode == 0

        return safe_str(stdout), safe_str(stderr)

def _get_tmp_dir(prefix='vcs_operations-', suffix=''):

    return tempfile.mkdtemp(dir=base.TESTS_TMP_PATH, prefix=prefix, suffix=suffix)

def _add_files(vcs, dest_dir, files_no=3):

    """

    Generate some files, add it to dest_dir repo and push back

    vcs is git or hg and defines what VCS we want to make those files for

    :param vcs:

    :param dest_dir:

    """

    added_file = '%ssetup.py' % next(_RandomNameSequence())

    open(os.path.join(dest_dir, added_file), 'a').close()

    Command(dest_dir).execute(vcs, 'add', added_file)

    email = 'me@example.com'

    if os.name == 'nt':

        author_str = 'User <%s>' % email

    else:

        author_str = 'User ǝɯɐᴎ <%s>' % email

    for i in range(files_no):

        cmd = """echo "added_line%s" >> %s""" % (i, added_file)

        Command(dest_dir).execute(cmd)

        if vcs == 'hg':

            cmd = """hg commit -m "committed new %s" -u "%s" "%s" """ % (

                i, author_str, added_file

            )

        elif vcs == 'git':

            cmd = """git commit -m "committed new %s" --author "%s" "%s" """ % (

                i, author_str, added_file

            )

def _add_files_and_push(webserver, vt, dest_dir, clone_url, ignoreReturnCode=False, files_no=3):

    _add_files(vt.repo_type, dest_dir, files_no=files_no)

    # PUSH it back

    stdout = stderr = None

    if vt.repo_type == 'hg':

        stdout, stderr = Command(dest_dir).execute('hg push -f --verbose', clone_url, ignoreReturnCode=ignoreReturnCode)

    elif vt.repo_type == 'git':

        stdout, stderr = Command(dest_dir).execute('git push -f --verbose', clone_url, "master", ignoreReturnCode=ignoreReturnCode)

    return stdout, stderr

def _check_outgoing(vcs, cwd, clone_url):

    if vcs == 'hg':

        # hg removes the password from default URLs, so we have to provide it here via the clone_url

        return Command(cwd).execute('hg -q outgoing', clone_url, ignoreReturnCode=True)

    elif vcs == 'git':

        Command(cwd).execute('git remote update')

        return Command(cwd).execute('git log origin/master..master')

def set_anonymous_access(enable=True):

    user = db.User.get_default_user()

    user.active = enable

    meta.Session().commit()

    if enable != db.User.get_default_user().active:

        raise Exception('Cannot set anonymous access')

#==============================================================================

# TESTS

#==============================================================================

def _check_proper_git_push(stdout, stderr):

    assert 'fatal' not in stderr

    assert 'rejected' not in stderr

    assert 'Pushing to' in stderr

    assert 'master -> master' in stderr

@pytest.mark.usefixtures("test_context_fixture")

class TestVCSOperations(base.TestController):

    @classmethod

    def setup_class(cls):

        # DISABLE ANONYMOUS ACCESS

        set_anonymous_access(False)

    @pytest.fixture()

    def testhook_cleanup(self):

        yield

        # remove hook

        for hook in ['prechangegroup', 'pretxnchangegroup', 'preoutgoing', 'changegroup', 'outgoing', 'incoming']:

            entry = db.Ui.get_by_key('hooks', '%s.testhook' % hook)

            if entry:

                meta.Session().delete(entry)

        meta.Session().commit()

    @pytest.fixture(scope="module")

    def testfork(self):

        # create fork so the repo stays untouched

        git_fork_name = '%s_fork%s' % (base.GIT_REPO, next(_RandomNameSequence()))

        fixture.create_fork(base.GIT_REPO, git_fork_name)

        hg_fork_name = '%s_fork%s' % (base.HG_REPO, next(_RandomNameSequence()))

        fixture.create_fork(base.HG_REPO, hg_fork_name)

        return {'git': git_fork_name, 'hg': hg_fork_name}

    @parametrize_vcs_test

    def test_clone_repo_by_admin(self, webserver, vt):

        clone_url = vt.repo_url_param(webserver, vt.repo_name)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, _get_tmp_dir())

        if vt.repo_type == 'git':

            assert 'Cloning into' in stdout + stderr

            assert stderr == '' or stdout == ''

        elif vt.repo_type == 'hg':

            assert 'requesting all changes' in stdout

            assert 'adding changesets' in stdout

            assert 'adding manifests' in stdout

            assert 'adding file changes' in stdout

            assert stderr == ''

    @parametrize_vcs_test_http

    def test_clone_wrong_credentials(self, webserver, vt):

        clone_url = vt.repo_url_param(webserver, vt.repo_name, password='bad!')

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, _get_tmp_dir(), ignoreReturnCode=True)

        if vt.repo_type == 'git':

            assert 'fatal: Authentication failed' in stderr

        elif vt.repo_type == 'hg':

            assert 'abort: authorization failed' in stderr

    def test_clone_git_dir_as_hg(self, webserver):

        clone_url = HgHttpVcsTest.repo_url_param(webserver, base.GIT_REPO)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute('hg clone', clone_url, _get_tmp_dir(), ignoreReturnCode=True)

        assert 'HTTP Error 404: Not Found' in stderr or "not a valid repository" in stdout and 'abort:' in stderr

    def test_clone_hg_repo_as_git(self, webserver):

        clone_url = GitHttpVcsTest.repo_url_param(webserver, base.HG_REPO)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute('git clone', clone_url, _get_tmp_dir(), ignoreReturnCode=True)

        assert 'not found' in stderr

    @parametrize_vcs_test

    def test_clone_non_existing_path(self, webserver, vt):

        clone_url = vt.repo_url_param(webserver, 'trololo')

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, _get_tmp_dir(), ignoreReturnCode=True)

        if vt.repo_type == 'git':

            assert 'not found' in stderr or 'abort: Access to %r denied' % 'trololo' in stderr

        elif vt.repo_type == 'hg':

            assert 'HTTP Error 404: Not Found' in stderr or 'abort: no suitable response from remote hg' in stderr and 'remote: abort: Access to %r denied' % 'trololo' in stdout + stderr

    @parametrize_vcs_test

    def test_push_new_repo(self, webserver, vt):

        # Clear the log so we know what is added

        db.UserLog.query().delete()

        meta.Session().commit()

        # Create an empty server repo using the API

        repo_name = 'new_%s_%s' % (vt.repo_type, next(_RandomNameSequence()))

        usr = db.User.get_by_username(base.TEST_USER_ADMIN_LOGIN)

        params = {

            "id": 7,

            "api_key": usr.api_key,

            "method": 'create_repo',

            "args": dict(repo_name=repo_name,

                         owner=base.TEST_USER_ADMIN_LOGIN,

                         repo_type=vt.repo_type),

        }

        req = urllib.request.Request(

            'http://%s:%s/_admin/api' % webserver.server_address,

            data=ascii_bytes(json.dumps(params)),

            headers={'content-type': 'application/json'})

        response = urllib.request.urlopen(req)

        result = json.loads(response.read())

        # Expect something like:

        # {u'result': {u'msg': u'Created new repository `new_XXX`', u'task': None, u'success': True}, u'id': 7, u'error': None}

        assert result['result']['success']

        # Create local clone of the empty server repo

        local_clone_dir = _get_tmp_dir()

        clone_url = vt.repo_url_param(webserver, repo_name)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, local_clone_dir)

        # Make 3 commits and push to the empty server repo.

        # The server repo doesn't have any other heads than the

        # refs/heads/master we are pushing, but the `git log` in the push hook

        # should still list the 3 commits.

        stdout, stderr = _add_files_and_push(webserver, vt, local_clone_dir, clone_url=clone_url)

        if vt.repo_type == 'git':

            _check_proper_git_push(stdout, stderr)

        elif vt.repo_type == 'hg':

            assert 'pushing to ' in stdout

            assert 'remote: added ' in stdout

        # Verify that we got the right events in UserLog. Expect something like:

        # <UserLog('id:new_git_XXX:started_following_repo')>

        # <UserLog('id:new_git_XXX:user_created_repo')>

        # <UserLog('id:new_git_XXX:pull')>

        # <UserLog('id:new_git_XXX:push:aed9d4c1732a1927da3be42c47eb9afdc200d427,d38b083a07af10a9f44193486959a96a23db78da,4841ff9a2b385bec995f4679ef649adb3f437622')>

        meta.Session.close()  # make sure SA fetches all new log entries (apparently only needed for MariaDB/MySQL ...)

        action_parts = [ul.action.split(':', 1) for ul in db.UserLog.query().order_by(db.UserLog.user_log_id)]

        assert [(t[0], (t[1].count(',') + 1) if len(t) == 2 else 0) for t in action_parts] == ([

            ('started_following_repo', 0),

            ('user_created_repo', 0),

            ('pull', 0),

            ('push', 3)]

            if vt.repo_type == 'git' else [

            ('started_following_repo', 0),

            ('user_created_repo', 0),

            # (u'pull', 0), # Mercurial outgoing hook is not called for empty clones

            ('push', 3)])

    @parametrize_vcs_test

    def test_push_new_file(self, webserver, testfork, vt):

        db.UserLog.query().delete()

        meta.Session().commit()

        dest_dir = _get_tmp_dir()

        clone_url = vt.repo_url_param(webserver, vt.repo_name)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, dest_dir)

        clone_url = vt.repo_url_param(webserver, testfork[vt.repo_type])

        stdout, stderr = _add_files_and_push(webserver, vt, dest_dir, clone_url=clone_url)

        if vt.repo_type == 'git':

            _check_proper_git_push(stdout, stderr)

        elif vt.repo_type == 'hg':

            assert 'pushing to' in stdout

            assert 'Repository size' in stdout

            assert 'Last revision is now' in stdout

        meta.Session.close()  # make sure SA fetches all new log entries (apparently only needed for MariaDB/MySQL ...)

        action_parts = [ul.action.split(':', 1) for ul in db.UserLog.query().order_by(db.UserLog.user_log_id)]

        assert [(t[0], (t[1].count(',') + 1) if len(t) == 2 else 0) for t in action_parts] == \

            [('pull', 0), ('push', 3)]

    @parametrize_vcs_test

    def test_pull(self, webserver, testfork, vt):

        db.UserLog.query().delete()

        meta.Session().commit()

        dest_dir = _get_tmp_dir()

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'init', dest_dir)

        clone_url = vt.repo_url_param(webserver, vt.repo_name)

        stdout, stderr = Command(dest_dir).execute(vt.repo_type, 'pull', clone_url)

        meta.Session.close()  # make sure SA fetches all new log entries (apparently only needed for MariaDB/MySQL ...)

        if vt.repo_type == 'git':

            assert 'FETCH_HEAD' in stderr

        elif vt.repo_type == 'hg':

            assert 'new changesets' in stdout

        action_parts = [ul.action for ul in db.UserLog.query().order_by(db.UserLog.user_log_id)]

        assert action_parts == ['pull']

        # Test handling of URLs with extra '/' around repo_name

        stdout, stderr = Command(dest_dir).execute(vt.repo_type, 'pull', clone_url.replace('/' + vt.repo_name, '/./%s/' % vt.repo_name), ignoreReturnCode=True)

        if issubclass(vt, HttpVcsTest):

            if vt.repo_type == 'git':

                # NOTE: when pulling from http://hostname/./vcs_test_git/ , the git client will normalize that and issue an HTTP request to /vcs_test_git/info/refs

                assert 'Already up to date.' in stdout

            else:

                assert vt.repo_type == 'hg'

                assert "abort: HTTP Error 404: Not Found" in stderr

        else:

            assert issubclass(vt, SshVcsTest)

            if vt.repo_type == 'git':

                assert "abort: Access to './%s' denied" % vt.repo_name in stderr

            else:

                assert "abort: Access to './%s' denied" % vt.repo_name in stdout + stderr

        stdout, stderr = Command(dest_dir).execute(vt.repo_type, 'pull', clone_url.replace('/' + vt.repo_name, '/%s/' % vt.repo_name), ignoreReturnCode=True)

        if vt.repo_type == 'git':

            assert 'Already up to date.' in stdout

        else:

            assert vt.repo_type == 'hg'

            assert "no changes found" in stdout

        assert "denied" not in stderr

        assert "denied" not in stdout

        assert "404" not in stdout

    @parametrize_vcs_test

    def test_push_invalidates_cache(self, webserver, testfork, vt):

        pre_cached_tip = [repo.get_api_data()['last_changeset']['short_id'] for repo in db.Repository.query().filter(db.Repository.repo_name == testfork[vt.repo_type])]

        dest_dir = _get_tmp_dir()

        clone_url = vt.repo_url_param(webserver, testfork[vt.repo_type])

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, dest_dir)

        stdout, stderr = _add_files_and_push(webserver, vt, dest_dir, files_no=1, clone_url=clone_url)

        if vt.repo_type == 'git':

            _check_proper_git_push(stdout, stderr)

        meta.Session.close()  # expire session to make sure SA fetches new Repository instances after last_changeset has been updated by server side hook in another process

        post_cached_tip = [repo.get_api_data()['last_changeset']['short_id'] for repo in db.Repository.query().filter(db.Repository.repo_name == testfork[vt.repo_type])]

        assert pre_cached_tip != post_cached_tip

    @parametrize_vcs_test_http

    def test_push_wrong_credentials(self, webserver, vt):

        dest_dir = _get_tmp_dir()

        clone_url = vt.repo_url_param(webserver, vt.repo_name)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, dest_dir)

        clone_url = webserver.repo_url(vt.repo_name, username='bad', password='name')

        stdout, stderr = _add_files_and_push(webserver, vt, dest_dir,

                                             clone_url=clone_url, ignoreReturnCode=True)

        if vt.repo_type == 'git':

            assert 'fatal: Authentication failed' in stderr

        elif vt.repo_type == 'hg':

            assert 'abort: authorization failed' in stderr

    @parametrize_vcs_test

    def test_push_with_readonly_credentials(self, webserver, vt):

        db.UserLog.query().delete()

        meta.Session().commit()

        dest_dir = _get_tmp_dir()

        clone_url = vt.repo_url_param(webserver, vt.repo_name, username=base.TEST_USER_REGULAR_LOGIN, password=base.TEST_USER_REGULAR_PASS)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, dest_dir)

        stdout, stderr = _add_files_and_push(webserver, vt, dest_dir, ignoreReturnCode=True, clone_url=clone_url)

        if vt.repo_type == 'git':

            assert 'The requested URL returned error: 403' in stderr or 'abort: Push access to %r denied' % str(vt.repo_name) in stderr

        elif vt.repo_type == 'hg':

            assert 'abort: HTTP Error 403: Forbidden' in stderr or 'abort: push failed on remote' in stderr and 'remote: Push access to %r denied' % str(vt.repo_name) in stdout

        meta.Session.close()  # make sure SA fetches all new log entries (apparently only needed for MariaDB/MySQL ...)

        action_parts = [ul.action.split(':', 1) for ul in db.UserLog.query().order_by(db.UserLog.user_log_id)]

        assert [(t[0], (t[1].count(',') + 1) if len(t) == 2 else 0) for t in action_parts] == \

            [('pull', 0)]

    @parametrize_vcs_test

    def test_push_back_to_wrong_url(self, webserver, vt):

        dest_dir = _get_tmp_dir()

        clone_url = vt.repo_url_param(webserver, vt.repo_name)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, dest_dir)

        stdout, stderr = _add_files_and_push(

            webserver, vt, dest_dir, clone_url='http://%s:%s/tmp' % (

                webserver.server_address[0], webserver.server_address[1]),

            ignoreReturnCode=True)

        if vt.repo_type == 'git':

            assert 'not found' in stderr

        elif vt.repo_type == 'hg':

            assert 'HTTP Error 404: Not Found' in stderr

    @parametrize_vcs_test

    def test_ip_restriction(self, webserver, vt):

        user_model = UserModel()

        try:

            # Add IP constraint that excludes the test context:

            user_model.add_extra_ip(base.TEST_USER_ADMIN_LOGIN, '10.10.10.10/32')

            meta.Session().commit()

            # IP permissions are cached, need to wait for the cache in the server process to expire

            time.sleep(1.5)

            clone_url = vt.repo_url_param(webserver, vt.repo_name)

            stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, _get_tmp_dir(), ignoreReturnCode=True)

            if vt.repo_type == 'git':

                # The message apparently changed in Git 1.8.3, so match it loosely.

                assert re.search(r'\b403\b', stderr) or 'abort: User test_admin from 127.0.0.127 cannot be authorized' in stderr

            elif vt.repo_type == 'hg':

                assert 'abort: HTTP Error 403: Forbidden' in stderr or 'remote: abort: User test_admin from 127.0.0.127 cannot be authorized' in stdout + stderr

        finally:

            # release IP restrictions

            for ip in db.UserIpMap.query():

                db.UserIpMap.delete(ip.ip_id)

            meta.Session().commit()

            # IP permissions are cached, need to wait for the cache in the server process to expire

            time.sleep(1.5)

        clone_url = vt.repo_url_param(webserver, vt.repo_name)

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, _get_tmp_dir())

        if vt.repo_type == 'git':

            assert 'Cloning into' in stdout + stderr

            assert stderr == '' or stdout == ''

        elif vt.repo_type == 'hg':

            assert 'requesting all changes' in stdout

            assert 'adding changesets' in stdout

            assert 'adding manifests' in stdout

            assert 'adding file changes' in stdout

            assert stderr == ''

    @parametrize_vcs_test_hg # git hooks doesn't work like hg hooks

    def test_custom_hooks_preoutgoing(self, testhook_cleanup, webserver, testfork, vt):

        # set prechangegroup to failing hook (returns True)

        db.Ui.create_or_update_hook('preoutgoing.testhook', 'python:kallithea.tests.fixture.failing_test_hook')

        meta.Session().commit()

        # clone repo

        clone_url = vt.repo_url_param(webserver, testfork[vt.repo_type], username=base.TEST_USER_ADMIN_LOGIN, password=base.TEST_USER_ADMIN_PASS)

        dest_dir = _get_tmp_dir()

        stdout, stderr = Command(base.TESTS_TMP_PATH) \

            .execute(vt.repo_type, 'clone', clone_url, dest_dir, ignoreReturnCode=True)

        if vt.repo_type == 'hg':

            assert 'preoutgoing.testhook hook failed' in stdout + stderr

        elif vt.repo_type == 'git':

            assert 'error: 406' in stderr

    @parametrize_vcs_test_hg # git hooks doesn't work like hg hooks

    def test_custom_hooks_prechangegroup(self, testhook_cleanup, webserver, testfork, vt):

        # set prechangegroup to failing hook (returns exit code 1)

        db.Ui.create_or_update_hook('prechangegroup.testhook', 'python:kallithea.tests.fixture.failing_test_hook')

        meta.Session().commit()

        # clone repo

        clone_url = vt.repo_url_param(webserver, testfork[vt.repo_type], username=base.TEST_USER_ADMIN_LOGIN, password=base.TEST_USER_ADMIN_PASS)

        dest_dir = _get_tmp_dir()

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute(vt.repo_type, 'clone', clone_url, dest_dir)

        stdout, stderr = _add_files_and_push(webserver, vt, dest_dir, clone_url,

                                             ignoreReturnCode=True)

        assert 'failing_test_hook failed' in stdout + stderr

        assert 'Traceback' not in stdout + stderr

        assert 'prechangegroup.testhook hook failed' in stdout + stderr

        # there are still outgoing changesets

        stdout, stderr = _check_outgoing(vt.repo_type, dest_dir, clone_url)

        assert stdout != ''

        # set prechangegroup hook to exception throwing method

        db.Ui.create_or_update_hook('prechangegroup.testhook', 'python:kallithea.tests.fixture.exception_test_hook')

        meta.Session().commit()

        # re-try to push

        stdout, stderr = Command(dest_dir).execute('%s push' % vt.repo_type, clone_url, ignoreReturnCode=True)

        if vt is HgHttpVcsTest:

            # like with 'hg serve...' 'HTTP Error 500: INTERNAL SERVER ERROR' should be returned

            assert 'HTTP Error 500: INTERNAL SERVER ERROR' in stderr

        elif vt is HgSshVcsTest:

            assert 'remote: Exception: exception_test_hook threw an exception' in stdout

        else: assert False

        # there are still outgoing changesets

        stdout, stderr = _check_outgoing(vt.repo_type, dest_dir, clone_url)

        assert stdout != ''

        # set prechangegroup hook to method that returns False

        db.Ui.create_or_update_hook('prechangegroup.testhook', 'python:kallithea.tests.fixture.passing_test_hook')

        meta.Session().commit()

        # re-try to push

        stdout, stderr = Command(dest_dir).execute('%s push' % vt.repo_type, clone_url, ignoreReturnCode=True)

        assert 'passing_test_hook succeeded' in stdout + stderr

        assert 'Traceback' not in stdout + stderr

        assert 'prechangegroup.testhook hook failed' not in stdout + stderr

        # no more outgoing changesets

        stdout, stderr = _check_outgoing(vt.repo_type, dest_dir, clone_url)

        assert stdout == ''

        assert stderr == ''

    def test_add_submodule_git(self, webserver, testfork):

        dest_dir = _get_tmp_dir()

        clone_url = GitHttpVcsTest.repo_url_param(webserver, base.GIT_REPO)

        fork_url = GitHttpVcsTest.repo_url_param(webserver, testfork['git'])

        # add submodule

        stdout, stderr = Command(base.TESTS_TMP_PATH).execute('git clone', fork_url, dest_dir)

        stdout, stderr = Command(dest_dir).execute('git submodule add', clone_url, 'testsubmodule')

        stdout, stderr = Command(dest_dir).execute('git push', fork_url, 'master')

        # check for testsubmodule link in files page

        self.log_user()

        response = self.app.get(base.url(controller='files', action='index',

                                    repo_name=testfork['git'],

                                    revision='tip',

                                    f_path='/'))

        # check _repo_files_url that will be used to reload as AJAX

        response.mustcontain('var _repo_files_url = ("/%s/files/");' % testfork['git'])

        response.mustcontain('<a class="submodule-dir" href="%s" target="_blank"><i class="icon-file-submodule"></i><span>testsubmodule @ ' % clone_url)

        # check that following a submodule link actually works - and redirects

        response = self.app.get(base.url(controller='files', action='index',

                                    repo_name=testfork['git'],

                                    revision='tip',

                                    f_path='/testsubmodule'),

                                status=302)

        assert response.location == clone_url