import os

import mitogen
import mitogen.doas
import mitogen.parent

import unittest2

import testlib


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

    def test_okay(self):
        context = self.router.doas(
            doas_path=self.doas_path,
            username='someuser',
        )
        argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
        self.assertEquals(argv[:4], [
            self.doas_path,
            '-u',
            'someuser',
            '--',
        ])
        self.assertEquals('1', context.call(os.getenv, 'THIS_IS_STUB_DOAS'))


class DoasTest(testlib.DockerMixin, testlib.TestCase):
    # Only mitogen/debian-test has doas.
    mitogen_test_distro = 'debian'

    def test_password_required(self):
        ssh = self.docker_ssh(
            username='mitogen__has_sudo',
            password='has_sudo_password',
        )
        e = self.assertRaises(mitogen.core.StreamError,
            lambda: self.router.doas(via=ssh)
        )
        self.assertTrue(mitogen.doas.password_required_msg in str(e))

    def test_password_incorrect(self):
        ssh = self.docker_ssh(
            username='mitogen__has_sudo',
            password='has_sudo_password',
        )
        e = self.assertRaises(mitogen.core.StreamError,
            lambda: self.router.doas(via=ssh, password='x')
        )
        self.assertTrue(mitogen.doas.password_incorrect_msg in str(e))

    def test_password_okay(self):
        ssh = self.docker_ssh(
            username='mitogen__has_sudo',
            password='has_sudo_password',
        )
        context = self.router.doas(via=ssh, password='has_sudo_password')
        self.assertEquals(0, context.call(os.getuid))


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