# -*- coding: utf-8 -*-
"""
unit tests for the Salt engines
"""
from __future__ import absolute_import, print_function, unicode_literals

import logging

import salt.config
import salt.engines as engines
import salt.utils.process
from salt.ext import six
from tests.support.helpers import slowTest
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.mock import patch
from tests.support.unit import TestCase

log = logging.getLogger(__name__)


class EngineTestCase(TestCase, LoaderModuleMockMixin):
    """
    Test cases for salt.engine.sqs_events
    """

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

    @slowTest
    def test_engine_module(self):
        """
        Test
        """
        mock_opts = salt.config.DEFAULT_MINION_OPTS.copy()
        mock_opts["__role"] = "minion"
        mock_opts["engines"] = [
            {"test_one": {"engine_module": "test"}},
            {"test_two": {"engine_module": "test"}},
        ]

        process_manager = salt.utils.process.ProcessManager()
        with patch.dict(engines.__opts__, mock_opts):
            salt.engines.start_engines(mock_opts, process_manager)
            process_map = process_manager._process_map
            count = 0
            for proc in six.iterkeys(process_map):
                count += 1
                fun = process_map[proc]["Process"].fun

                # Ensure function is start from the test engine
                self.assertEqual(fun, "test.start")

            # Ensure there were two engine started
            self.assertEqual(count, len(mock_opts["engines"]))