import os

import mitogen
import mitogen.lxd
import mitogen.parent

import unittest2

import testlib


class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
    sudo_path = testlib.data_path('stubs/stub-sudo.py')

    def run_sudo(self, **kwargs):
        context = self.router.sudo(
            sudo_path=self.sudo_path,
            **kwargs
        )
        argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
        return context, argv


    def test_basic(self):
        context, argv = self.run_sudo()
        self.assertEquals(argv[:4], [
            self.sudo_path,
            '-u', 'root',
            '--'
        ])

    def test_selinux_type_role(self):
        context, argv = self.run_sudo(
            selinux_type='setype',
            selinux_role='serole',
        )
        self.assertEquals(argv[:8], [
            self.sudo_path,
            '-u', 'root',
            '-r', 'serole',
            '-t', 'setype',
            '--'
        ])

    def test_reparse_args(self):
        context, argv = self.run_sudo(
            sudo_args=['--type', 'setype', '--role', 'serole', '--user', 'user']
        )
        self.assertEquals(argv[:8], [
            self.sudo_path,
            '-u', 'user',
            '-r', 'serole',
            '-t', 'setype',
            '--'
        ])

    def test_tty_preserved(self):
        # issue #481
        os.environ['PREHISTORIC_SUDO'] = '1'
        try:
            context, argv = self.run_sudo()
            self.assertEquals('1', context.call(os.getenv, 'PREHISTORIC_SUDO'))
        finally:
            del os.environ['PREHISTORIC_SUDO']


class NonEnglishPromptTest(testlib.DockerMixin, testlib.TestCase):
    # Only mitogen/debian-test has a properly configured sudo.
    mitogen_test_distro = 'debian'

    def test_password_required(self):
        ssh = self.docker_ssh(
            username='mitogen__has_sudo',
            password='has_sudo_password',
        )
        ssh.call(os.putenv, 'LANGUAGE', 'fr')
        ssh.call(os.putenv, 'LC_ALL', 'fr_FR.UTF-8')
        e = self.assertRaises(mitogen.core.StreamError,
            lambda: self.router.sudo(via=ssh)
        )
        self.assertTrue(mitogen.sudo.Stream.password_required_msg in str(e))

    def test_password_incorrect(self):
        ssh = self.docker_ssh(
            username='mitogen__has_sudo',
            password='has_sudo_password',
        )
        ssh.call(os.putenv, 'LANGUAGE', 'fr')
        ssh.call(os.putenv, 'LC_ALL', 'fr_FR.UTF-8')
        e = self.assertRaises(mitogen.core.StreamError,
            lambda: self.router.sudo(via=ssh, password='x')
        )
        self.assertTrue(mitogen.sudo.Stream.password_incorrect_msg in str(e))

    def test_password_okay(self):
        ssh = self.docker_ssh(
            username='mitogen__has_sudo',
            password='has_sudo_password',
        )
        ssh.call(os.putenv, 'LANGUAGE', 'fr')
        ssh.call(os.putenv, 'LC_ALL', 'fr_FR.UTF-8')
        e = self.assertRaises(mitogen.core.StreamError,
            lambda: self.router.sudo(via=ssh, password='rootpassword')
        )
        self.assertTrue(mitogen.sudo.Stream.password_incorrect_msg in str(e))


if __name__ == '__main__':
    unittest2.main()