code clean & log enhance

src/puppet-web/browser-driver.ts

@@ -110,12 +110,14 @@ export class BrowserDriver {
     /**
      * XXX when will Builder().build() throw exception???
      */
-    let ttl = 3
+    let retry = 0
     let err = new Error('unknown')
     let driver: WebDriver|null = null
 
-    while (!driver && ttl-- > 0) {
-      log.verbose('PuppetWebBrowserDriver', 'getChromeDriver() with ttl: %d', ttl)
+    do {
+     if (retry > 0) {
+        log.warn('PuppetWebBrowserDriver', 'getChromeDriver() with retry: %d', retry)
+      }
 
       try {
         driver = new Builder()
@@ -127,19 +129,24 @@ export class BrowserDriver {
         const valid = await this.valid(driver)
 
         if (!valid) {
+          log.warn('PuppetWebBrowserDriver', 'getChromeDriver() got invalid driver')
           driver = null
         }
 
       } catch (e) {
-        log.warn('PuppetWebBrowserDriver', 'getChromeDriver() exception: %s, retry ttl: %d', e.message, ttl)
+        log.warn('PuppetWebBrowserDriver', 'getChromeDriver() exception: %s, retry: %d', e.message, retry)
         driver = null
         err = e
       }
-    }
+
+    } while (!driver && retry++ < 3)
+
 
     if (!driver) {
-      log.error('PuppetWebBrowserDriver', 'getChromeDriver() exception: %s, retry ttl: %d', err.stack, ttl)
+      log.error('PuppetWebBrowserDriver', 'getChromeDriver() exception: %s, retry: %d', err.stack, retry)
       throw err
+    } else {
+      log.silly('PuppetWebBrowserDriver', 'getChromeDriver() success')
     }
 
     return driver
@@ -227,6 +234,8 @@ export class BrowserDriver {
     const session = await driver.getSession()
     if (!session) {
       log.warn('PuppetWebBrowserDriver', 'valid() found an invalid driver')
+    } else {
+      log.silly('PuppetWebBrowserDriver', 'valid() driver ok')
     }
 
     return !!session

src/puppet-web/puppet-web.ts

@@ -61,6 +61,8 @@ export class PuppetWeb extends Puppet {
       setting.head = Config.head
     }
     this.on('watchdog', Watchdog.onFeed.bind(this))
+
+    this.createBrowser()
   }
 
   public toString() { return `Class PuppetWeb({browser:${this.browser},port:${this.port}})` }
@@ -92,7 +94,6 @@ export class PuppetWeb extends Puppet {
       this.emit('watchdog', food)
 
       log.verbose('PuppetWeb', 'init() done')
-      // this.currentState('live')
       this.state.current('live')
       return
 
@@ -161,16 +162,19 @@ export class PuppetWeb extends Puppet {
     this.state.current('dead')
   }
 
-  public async initBrowser(): Promise<void> {
-    log.verbose('PuppetWeb', 'initBrowser()')
+  public createBrowser() {
+    log.verbose('PuppetWeb', 'createBrowser()')
     this.browser = new Browser({
         head:         <HeadName>this.setting.head
       , sessionFile:  this.setting.profile
     })
+  }
+
+  public async initBrowser(): Promise<void> {
+    log.verbose('PuppetWeb', 'initBrowser()')
 
     this.browser.on('dead', Event.onBrowserDead.bind(this))
 
-    // if (this.targetState() !== 'live') {
     if (this.state.target() !== 'live') {
       const e = new Error('found state.target()) != live, no init anymore')
       log.warn('PuppetWeb', 'initBrowser() %s', e.message)
@@ -193,7 +197,6 @@ export class PuppetWeb extends Puppet {
       , this.port
     )
 
-    // if (this.targetState() !== 'live') {
     if (this.state.target() !== 'live') {
       const errMsg = 'initBridge() found targetState != live, no init anymore'
       log.warn('PuppetWeb', errMsg)

test/puppet-web/browser.spec.ts

@@ -173,8 +173,7 @@ test('Browser Cookie save/load test', async t => {
     t.truthy(cookieAfterQuit, 'should get cookie from getCookie()')
     t.is(cookieAfterQuit.name, EXPECTED_COOKIE.name, 'cookie from getCookie() after browser quit, should load the right cookie back')
 
-    // clean
-    fs.unlink(profileName, err => {
+    fs.unlink(profileName, err => { // clean
       if (err) {
         log.warn('Browser', 'unlink session file %s fail: %s', PROFILE, err)
       }