feat: allow retrieval of basedriver version from any inheriting driver

lib/basedriver/driver.js

@@ -3,6 +3,7 @@ import {
 } from '../protocol';
 import { PROTOCOLS, DEFAULT_BASE_PATH } from '../constants';
 import os from 'os';
+import path from 'path';
 import commands from './commands';
 import * as helpers from './helpers';
 import log from './logger';
@@ -20,6 +21,7 @@ B.config({
   cancellation: true,
 });
 
+const BASEDRIVER_VER = require(path.resolve(__dirname, '..', '..', '..', 'package.json')).version;
 const NEW_COMMAND_TIMEOUT_MS = 60 * 1000;
 
 const EVENT_SESSION_INIT = 'newSessionRequested';
@@ -30,6 +32,12 @@ const ON_UNEXPECTED_SHUTDOWN_EVENT = 'onUnexpectedShutdown';
 
 class BaseDriver extends Protocol {
 
+  /**
+   * Make the basedriver version available so for any driver which inherits from this package, we
+   * know which version of basedriver it inherited from
+   */
+  static baseVersion = BASEDRIVER_VER;
+
   constructor (opts = {}, shouldValidateCaps = true) {
     super();
 

package.json

@@ -78,12 +78,12 @@
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",
     "content-disposition": "^0.5.0",
-    "eslint-config-appium": "^4.0.1",
+    "eslint-config-appium": "^4.7.0",
     "finalhandler": "^1.1.1",
     "gulp": "^4.0.0",
     "mocha": "^8.0.1",
-    "querystring": "^0.2.0",
     "pre-commit": "^1.1.3",
+    "querystring": "^0.2.0",
     "serve-static": "^1.13.1",
     "sinon": "^9.0.0"
   }

test/basedriver/driver-tests.js

@@ -29,6 +29,10 @@ function baseDriverUnitTests (DriverClass, defaultCaps = {}) {
       await d.deleteSession();
     });
 
+    it('should report the version of BaseDriver used', function () {
+      should.exist(DriverClass.baseVersion);
+    });
+
     it('should return an empty status object', async function () {
       let status = await d.getStatus();
       status.should.eql({});