salt/tests/unit/states/test_postgres_cluster.py

# -*- coding: utf-8 -*-
"""
    :codeauthor: Logilab <contact@logilab.fr>
"""
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals

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

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


class PostgresClusterTestCase(TestCase, LoaderModuleMockMixin):
    """
    Test cases for salt.states.postgres_cluster
    """

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

    # 'present' function tests: 1

    def test_present(self):
        """
        Test to ensure that the named database is present
        with the specified properties.
        """
        name = "main"
        version = "9.4"

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

        mock_t = MagicMock(return_value=True)
        mock_f = MagicMock(return_value=False)
        infos = {"{0}/{1}".format(version, name): {}}
        mock = MagicMock(return_value=infos)
        with patch.dict(
            postgres_cluster.__salt__,
            {
                "postgres.cluster_list": mock,
                "postgres.cluster_exists": mock_t,
                "postgres.cluster_create": mock_t,
            },
        ):
            comt = "Cluster {0}/{1} is already present".format(version, name)
            ret.update({"comment": comt, "result": True})
            self.assertDictEqual(postgres_cluster.present(version, name), ret)
            infos["{0}/{1}".format(version, name)]["port"] = 5433
            comt = (
                "Cluster {0}/{1} has wrong parameters "
                "which couldn't be changed on fly.".format(version, name)
            )
            ret.update({"comment": comt, "result": False})
            self.assertDictEqual(
                postgres_cluster.present(version, name, port=5434), ret
            )
            infos["{0}/{1}".format(version, name)]["datadir"] = "/tmp/"
            comt = (
                "Cluster {0}/{1} has wrong parameters "
                "which couldn't be changed on fly.".format(version, name)
            )
            ret.update({"comment": comt, "result": False})
            self.assertDictEqual(
                postgres_cluster.present(version, name, port=5434), ret
            )

        with patch.dict(
            postgres_cluster.__salt__,
            {
                "postgres.cluster_list": mock,
                "postgres.cluster_exists": mock_f,
                "postgres.cluster_create": mock_t,
            },
        ):
            comt = "The cluster {0}/{1} has been created".format(version, name)
            ret.update(
                {
                    "comment": comt,
                    "result": True,
                    "changes": {"{0}/{1}".format(version, name): "Present"},
                }
            )
            self.assertDictEqual(postgres_cluster.present(version, name), ret)
            with patch.dict(postgres_cluster.__opts__, {"test": True}):
                comt = "Cluster {0}/{1} is set to be created".format(version, name)
                ret.update({"comment": comt, "result": None, "changes": {}})
                self.assertDictEqual(postgres_cluster.present(version, name), ret)

        with patch.dict(
            postgres_cluster.__salt__,
            {
                "postgres.cluster_list": mock,
                "postgres.cluster_exists": mock_f,
                "postgres.cluster_create": mock_f,
            },
        ):
            comt = "Failed to create cluster {0}/{1}".format(version, name)
            ret.update({"comment": comt, "result": False})
            self.assertDictEqual(postgres_cluster.present(version, name), ret)

    # 'absent' function tests: 1

    def test_absent(self):
        """
        Test to ensure that the named database is absent.
        """
        name = "main"
        version = "9.4"

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

        mock_t = MagicMock(return_value=True)
        mock = MagicMock(side_effect=[True, True, False])
        with patch.dict(
            postgres_cluster.__salt__,
            {"postgres.cluster_exists": mock, "postgres.cluster_remove": mock_t},
        ):
            with patch.dict(postgres_cluster.__opts__, {"test": True}):
                comt = "Cluster {0}/{1} is set to be removed".format(version, name)
                ret.update({"comment": comt, "result": None})
                self.assertDictEqual(postgres_cluster.absent(version, name), ret)

            with patch.dict(postgres_cluster.__opts__, {"test": False}):
                comt = "Cluster {0}/{1} has been removed".format(version, name)
                ret.update(
                    {"comment": comt, "result": True, "changes": {name: "Absent"}}
                )
                self.assertDictEqual(postgres_cluster.absent(version, name), ret)

                comt = "Cluster {0}/{1} is not present, so it cannot be removed".format(
                    version, name
                )
                ret.update({"comment": comt, "result": True, "changes": {}})
                self.assertDictEqual(postgres_cluster.absent(version, name), ret)