Print Preview: change getPreview to cr.sendWithPromise

chrome/test/data/webui/print_preview/native_layer_stub.js

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('print_preview', function() {
   /**
   * Test version of the native layer.
   * @constructor
   * @extends {TestBrowserProxy}
   */
   function NativeLayerStub() {
     TestBrowserProxy.call(this, [
         'getInitialSettings',
         'getPrinters',
         'getExtensionPrinters',
+        'getPreview',
         'getPrivetPrinters',
         'getPrinterCapabilities',
         'print',
         'setupPrinter'
       ]);
 
     /**
      * @private {!cr.EventTarget} The event target used for dispatching and
      *     receiving events.
      */
     this.eventTarget_ = new cr.EventTarget();
 
     /**
-     * @private {boolean} Whether the native layer has set the generate draft
-     *      parameter when requesting an updated preview.
-     */
-    this.generateDraft_ = false;
-
-    /**
      * @private {!print_preview.NativeInitialSettings} The initial settings
      *     to be used for the response to a |getInitialSettings| call.
      */
     this.initialSettings_ = null;
 
     /**
      *
      * @private {!Array<!print_preview.LocalDestinationInfo>} Local destination
      *     list to be used for the response to |getPrinters|.
      */
@@ skipping 10 matching lines @@
     /**
      * @private {!print_preview.PrinterSetupResponse} The response to be sent
      *     on a |setupPrinter| call.
      */
     this.setupPrinterResponse_ = null;
 
     /**
      * @private {boolean} Whether the printer setup request should be rejected.
      */
     this.shouldRejectPrinterSetup_ = false;
+
+    /**
+     * @private {string} The ID of a printer with a bad driver.
+     */
+    this.badPrinterId_ = '';
   }
 
   NativeLayerStub.prototype = {
     __proto__: TestBrowserProxy.prototype,
 
     /** @override */
     getInitialSettings: function() {
       this.methodCalled('getInitialSettings');
       return Promise.resolve(this.initialSettings_);
     },
 
     /** @override */
     getPrinters: function() {
       this.methodCalled('getPrinters');
       return Promise.resolve(this.localDestinationInfos_);
     },
 
     /** @override */
     getExtensionPrinters: function() {
       this.methodCalled('getExtensionPrinters');
       return Promise.resolve(true);
     },
 
     /** @override */
+    getPreview: function(
+        destination, printTicketStore, documentInfo, generateDraft, requestId) {
+      this.methodCalled('getPreview', {
+        destination: destination,
+        printTicketStore: printTicketStore,
+        documentInfo: documentInfo,
+        generateDraft: generateDraft,
+        requestId: requestId,
+      });
+      var rejectString = print_preview.PreviewArea.EventType.SETTINGS_INVALID;
+      rejectString = rejectString.substring(
+          rejectString.lastIndexOf(".") + 1, rejectString.length);
+      return destination.id == this.badPrinterId_ ?
+          Promise.reject(rejectString) :
+          Promise.resolve(requestId);
+    },
+
+    /** @override */
     getPrivetPrinters: function() {
       this.methodCalled('getPrivetPrinters');
       return Promise.resolve(true);
     },
 
     /** @override */
     getPrinterCapabilities: function(printerId) {
       this.methodCalled('getPrinterCapabilities', printerId);
       return this.localDestinationCapabilities_.get(printerId);
     },
@@ skipping 13 matching lines @@
     /** @override */
     setupPrinter: function(printerId) {
       this.methodCalled('setupPrinter', printerId);
       return this.shouldRejectPrinterSetup_ ?
           Promise.reject(this.setupPrinterResponse_) :
           Promise.resolve(this.setupPrinterResponse_);
     },
 
     /** Stubs for |print_preview.NativeLayer| methods that call C++ handlers. */
     previewReadyForTest: function() {},
-
-    startGetPreview: function(destination, printTicketStore, documentInfo,
-                              generateDraft, requestId) {
-      this.generateDraft_ = generateDraft;
-    },
     startHideDialog: function () {},
 
     /** @return {!cr.EventTarget} The native layer event target. */
     getEventTarget: function() { return this.eventTarget_; },
 
     /** @param {!cr.EventTarget} eventTarget The event target to use. */
     setEventTarget: function(eventTarget) {
       this.eventTarget_ = eventTarget;
     },
 
-    /** @return {boolean} Whether a new draft was requested for preview. */
-    generateDraft: function() { return this.generateDraft_; },
-
     /**
      * @param {!print_preview.NativeInitialSettings} settings The settings
      *     to return as a response to |getInitialSettings|.
      */
     setInitialSettings: function(settings) {
       this.initialSettings_ = settings;
     },
 
     /**
      * @param {!Array<!print_preview.LocalDestinationInfo>} localDestinations
@@ skipping 17 matching lines @@
 
     /**
      * @param {boolean} reject Whether printSetup requests should be rejected.
      * @param {!print_preview.PrinterSetupResponse} The response to send when
      *     |setupPrinter| is called.
      */
     setSetupPrinterResponse: function(reject, response) {
       this.shouldRejectPrinterSetup_ = reject;
       this.setupPrinterResponse_ = response;
     },
+
+    /**
+     * @param {string} bad_id The printer ID that should cause an
+     *     SETTINGS_INVALID error in response to a preview request. Models a
+     *     bad printer driver.
+     */
+    setInvalidPrinterId: function(id) {
+      this.badPrinterId_ = id;
+    },
   };
 
   return {
     NativeLayerStub: NativeLayerStub,
   };
 });