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"""
Unit tests for rest module STATS
"""

import json
from jsonschema import validate
import mock
import pytest

from appqos.stats import StatsStore
from rest_common import get_config, load_json_schema, REST, CONFIG_EMPTY


class TestStats:
    @mock.patch("appqos.config_store.ConfigStore.get_config", new=get_config)
    def test_get(self):
        def general_stats_get(get_stats_id):
            if get_stats_id == StatsStore.General.NUM_APPS_MOVES:
                return 1
            if get_stats_id == StatsStore.General.NUM_ERR:
                return 2

        with mock.patch("appqos.stats.STATS_STORE.general_stats_get", side_effect=general_stats_get) as mock_func:
            response = REST.get("/stats")
            mock_func.assert_called()
        data = json.loads(response.data.decode('utf-8'))

        # validate response schema
        schema, resolver = load_json_schema('get_stats_response.json')
        validate(data, schema, resolver=resolver)

        assert response.status_code == 200
        assert data["num_apps_moves"] == 1
        assert data["num_err"] == 2
