Allow to set chromedriverCustomPath during onPrepare (#75)

index.d.ts

@@ -12,14 +12,21 @@ export declare interface ChromedriverServiceOptions {
 }
 
 export declare class ChromedriverServiceLauncher {
+    public chromedriverCustomPath: string;
+    public options: Pick<ChromedriverServiceOptions, 'protocol' | 'hostname' | 'port' | 'path'>;
+    public outputDir: string;
+    public logFileName: string;
+    public capabilities: Capabilities.Capabilities;
+    public args: string[];
+
     constructor(
         options: ChromedriverServiceOptions,
         capabilities: Capabilities.Capabilities,
         config: Omit<Options.Testrunner, "capabilities">
     );
 
-    onComplete(): void;
-    onPrepare(): void;
+    onComplete(...args: any[]): void;
+    onPrepare(...args: any[]): void;
 }
 
 export default class ChromeDriverService {}

src/launcher.js

@@ -36,7 +36,7 @@ export default class ChromeDriverLauncher {
         this.logFileName = options.logFileName || DEFAULT_LOG_FILENAME
         this.capabilities = capabilities
         this.args = options.args || []
-        this.chromedriverCustomPath = options.chromedriverCustomPath ? path.resolve(options.chromedriverCustomPath) : this._getChromedriverPath()
+        this.chromedriverCustomPath = options.chromedriverCustomPath
     }
 
     async onPrepare() {
@@ -59,6 +59,8 @@ export default class ChromeDriverLauncher {
         this._mapCapabilities()
 
         let command = this.chromedriverCustomPath
+            ? path.resolve(this.chromedriverCustomPath)
+            : this._getChromedriverPath()
         log.info(`Start Chromedriver (${command}) with args ${this.args.join(' ')}`)
         if (!fs.existsSync(command)) {
             log.warn('Could not find chromedriver in default path: ', command)
@@ -138,7 +140,7 @@ export default class ChromeDriverLauncher {
             return require('chromedriver').path
         } catch (e) {
             log.error('Can\'t load chromedriver, please define "chromedriverCustomPath" property or install dependency via "npm install chromedriver --save-dev"')
-            throw e
+            throw new SevereServiceError(e.message)
         }
     }
 }