#!/usr/bin/env python
# -*- coding: utf-8 -*-

from __future__ import with_statement
from __future__ import unicode_literals

import pytest
import sys
from sets import Set
from ldapcherry.roles import Roles
from ldapcherry.exceptions import DumplicateRoleKey, MissingKey, DumplicateRoleContent, MissingRolesFile, MissingRole
from ldapcherry.pyyamlwrapper import DumplicatedKey, RelationError

class TestError(object):

    def testNominal(self):
        inv = Roles('./tests/cfg/roles.yml')
        print inv.roles
        return True

    def testMissingDisplayName(self):
        try:
            inv = Roles('./tests/cfg/roles_missing_diplay_name.yml')
        except MissingKey:
            return
        else:
            raise AssertionError("expected an exception")

    def testMissingBackends(self):
        try:
            inv = Roles('./tests/cfg/roles_missing_backends.yml')
        except MissingKey:
            return
        else:
            raise AssertionError("expected an exception")

    def testRoleKeyDuplication(self):
        try:
            inv = Roles('./tests/cfg/roles_key_dup.yml')
        except DumplicateRoleKey:
            return
        else:
            raise AssertionError("expected an exception")

    def testNoFile(self):
        try:
            inv = Roles('./tests/cfg/dontexist')
        except MissingRolesFile:
            return
        else:
            raise AssertionError("expected an exception")

    def testRoleContentDuplication(self):
        try:
            inv = Roles('./tests/cfg/roles_content_dup.yml')
        except DumplicateRoleContent:
            return
        else:
            raise AssertionError("expected an exception")

    def testGetGroup(self):
        inv = Roles('./tests/cfg/roles.yml')
        res = inv.get_groups('users')
        expected = {
            'ad': {'groups': ['Domain Users']},
            'ldap': {'groups': ['cn=users,ou=group,dc=example,dc=com']}
        }
        assert res == expected

    def testGetGroupMissingRole(self):
        inv = Roles('./tests/cfg/roles.yml')
        try:
            res = inv.get_groups('notarole')
        except MissingRole:
            return
        else:
            raise AssertionError("expected an exception")

    def testAdminRoles(self):
        inv = Roles('./tests/cfg/roles.yml')
        res = inv.get_admin_roles()
        expected = ['admin-lv2', 'admin-lv3']
        assert res == expected

    def testIsAdmin(self):
        inv = Roles('./tests/cfg/roles.yml')
        res = inv.is_admin(['admin-lv3', 'users'])
        assert res == True

    def testIsNotAdmin(self):
        inv = Roles('./tests/cfg/roles.yml')
        res = inv.is_admin(['users'])
        assert res == False

    def testGetRole(self):
        inv = Roles('./tests/cfg/roles.yml')
        groups = {
        'ad' : ['Domain Users', 'Domain Users 2'],
        'ldap': ['cn=users,ou=group,dc=example,dc=com',
            'cn=nagios admins,ou=group,dc=example,dc=com',
            'cn=developpers,ou=group,dc=example,dc=com',
            ],
        'toto': ['not a group'],
        }
        expected = {'unusedgroups': {'toto': Set(['not a group']), 'ad': Set(['Domain Users 2'])}, 'roles': Set(['developpers', 'admin-lv2'])} 
        assert inv.get_roles(groups) == expected