appium-espresso-driver/lib/doctor/required-checks.js

Espresso integration for Appium

import { doctor as doctorCommon } from 'appium-android-driver';
import { exec } from 'teen_process';
import { fs, system, doctor } from 'appium/support';
import path from 'node:path';

export const androidHomeCheck = doctorCommon.androidHomeCheck;
export const javaHomeCheck = doctorCommon.javaHomeCheck;
export const javaHomeValueCheck = doctorCommon.javaHomeValueCheck;
export const androidSdkCheck = doctorCommon.androidSdkCheck;

/** @satisfies {import('@appium/types').IDoctorCheck} */
export class JavaVersionCheck {
  MIN_JAVA_VERSION = 11;
  JAVA_VERSION_PATTERN = /^\s*java\.version\s*=\s*([\d.]+)/m;

  async diagnose() {
    const javaHome = process.env.JAVA_HOME;
    const fullJavaPath = path.join(javaHome ?? '', 'bin', `java${system.isWindows() ? '.exe' : ''}`);
    if (!javaHome || !await fs.exists(fullJavaPath)) {
      return doctor.nok(`Cannot retrieve Java version. Is Java installed and JAVA_HOME set to a proper path?`);
    }
    let javaVerMatch;
    try {
      const {stderr} = await exec(fullJavaPath, ['-XshowSettings:properties', '-version']);
      javaVerMatch = this.JAVA_VERSION_PATTERN.exec(stderr);
    } catch (e) {
      return doctor.nok(`Cannot retrieve Java version: ${e.stderr || e.message}`);
    }
    if (!javaVerMatch) {
      return doctor.nok(`The actual Java version cannot be retrieved`);
    }
    const majorVer = parseInt(javaVerMatch[1], 10);
    return majorVer < this.MIN_JAVA_VERSION
      ? doctor.nok(`The active Java version ${javaVerMatch[1]} is older than the required one`)
      : doctor.ok(`The active Java version matches (${majorVer} >= ${this.MIN_JAVA_VERSION})`);
  }

  async fix() {
    return `Upgrade to Java ${this.MIN_JAVA_VERSION}+ or update ` +
      `the JAVA_HOME environment variable if it is already installed`;
  }

  hasAutofix() {
    return false;
  }

  isOptional() {
    return false;
  }
}
export const javaVersionCheck = new JavaVersionCheck();