wdio-performancetotal-service/build/src/helpers/calculator.js

WebdriverIO service for analyzing test flow performance

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class Calculator {
    getAverageAndStandardDeviation(durationList) {
        const mean = this.getAverageTimeSpan(durationList);
        let sos = 0;
        let sem = 0;
        // calculate sem
        if (durationList.length > 1) {
            durationList.forEach(d => sos += Math.pow(d - mean, 2));
            const std = Math.sqrt(sos / (durationList.length - 1));
            sem = std / Math.sqrt(durationList.length);
        }
        return [Math.round(mean), Math.round(sem)];
    }
    getAverageTimeSpan(durationList) {
        const result = durationList.reduce((a, b) => a + b, 0) / durationList.length;
        return Math.round(result);
    }
}
exports.default = new Calculator();