# -*- coding: utf-8 -*-
"""
    :codeauthor: Jayesh Kariya <jayeshk@saltstack.com>
"""
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals

# Import Salt Libs
import salt.states.postgres_database as postgres_database

# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.mock import MagicMock, patch
from tests.support.unit import TestCase


class PostgresDatabaseTestCase(TestCase, LoaderModuleMockMixin):
    """
    Test cases for salt.states.postgres_database
    """

    def setup_loader_modules(self):
        return {postgres_database: {}}

    # 'present' function tests: 1

    def test_present(self):
        """
        Test to ensure that the named database is present
        with the specified properties.
        """
        name = "frank"

        ret = {"name": name, "changes": {}, "result": False, "comment": ""}

        mock_t = MagicMock(return_value=True)
        mock = MagicMock(return_value={name: {}})
        with patch.dict(
            postgres_database.__salt__,
            {"postgres.db_list": mock, "postgres.db_alter": mock_t},
        ):
            comt = "Database {0} is already present".format(name)
            ret.update({"comment": comt, "result": True})
            self.assertDictEqual(postgres_database.present(name), ret)

            comt = (
                "Database frank has wrong parameters "
                "which couldn't be changed on fly."
            )
            ret.update({"comment": comt, "result": False})
            self.assertDictEqual(
                postgres_database.present(name, tablespace="A", lc_collate=True), ret
            )

            with patch.dict(postgres_database.__opts__, {"test": True}):
                comt = "Database frank exists, " "but parameters need to be changed"
                ret.update({"comment": comt, "result": None})
                self.assertDictEqual(
                    postgres_database.present(name, tablespace="A"), ret
                )

            with patch.dict(postgres_database.__opts__, {"test": False}):
                comt = "Parameters for database frank have been changed"
                ret.update(
                    {
                        "comment": comt,
                        "result": True,
                        "changes": {name: "Parameters changed"},
                    }
                )
                self.assertDictEqual(
                    postgres_database.present(name, tablespace="A"), ret
                )

    # 'absent' function tests: 1

    def test_absent(self):
        """
        Test to ensure that the named database is absent.
        """
        name = "frank"

        ret = {"name": name, "changes": {}, "result": False, "comment": ""}

        mock_t = MagicMock(return_value=True)
        mock = MagicMock(side_effect=[True, True, False])
        with patch.dict(
            postgres_database.__salt__,
            {"postgres.db_exists": mock, "postgres.db_remove": mock_t},
        ):
            with patch.dict(postgres_database.__opts__, {"test": True}):
                comt = "Database {0} is set to be removed".format(name)
                ret.update({"comment": comt, "result": None})
                self.assertDictEqual(postgres_database.absent(name), ret)

            with patch.dict(postgres_database.__opts__, {"test": False}):
                comt = "Database {0} has been removed".format(name)
                ret.update(
                    {"comment": comt, "result": True, "changes": {name: "Absent"}}
                )
                self.assertDictEqual(postgres_database.absent(name), ret)

                comt = "Database {0} is not present, so it cannot be removed".format(
                    name
                )
                ret.update({"comment": comt, "result": True, "changes": {}})
                self.assertDictEqual(postgres_database.absent(name), ret)