Bug 1502360 - [marionette] Check for valid prompt type in "Send Alert Text". r=ato

Depends on D20000

Differential Revision: https://phabricator.services.mozilla.com/D20002

--HG--
extra : moz-landing-system : lando

testing/marionette/browser.js

@@ -267,7 +267,7 @@ browser.Context = class {
    * Retrieves the current tabmodal UI object.  According to the browser
    * associated with the currently selected tab.
    */
-  getTabModalUI() {
+  getTabModal() {
     let br = this.contentBrowser;
     if (!br.hasAttribute("tabmodalPromptShowing")) {
       return null;
@@ -278,7 +278,7 @@ browser.Context = class {
     let modalElements = br.parentNode.getElementsByTagNameNS(
         XUL_NS, "tabmodalprompt");
 
-    return br.tabModalPromptBox.prompts.get(modalElements[0]).ui;
+    return br.tabModalPromptBox.prompts.get(modalElements[0]);
   }
 
   /**

testing/marionette/driver.js

@@ -37,6 +37,7 @@ const {
   WebElement,
 } = ChromeUtils.import("chrome://marionette/content/element.js");
 const {
+  ElementNotInteractableError,
   InsecureCertificateError,
   InvalidArgumentError,
   InvalidCookieDomainError,
@@ -3226,6 +3227,19 @@ GeckoDriver.prototype.sendKeysToDialog = async function(cmd) {
   this._checkIfAlertIsPresent();
 
   let text = assert.string(cmd.parameters.text);
+  let promptType = this.dialog.args.promptType;
+
+  switch (promptType) {
+    case "alert":
+    case "confirm":
+      throw new ElementNotInteractableError(
+          `User prompt of type ${promptType} is not interactable`);
+    case "prompt":
+      break;
+    default:
+      throw new UnsupportedOperationError(
+          `User prompt of type ${promptType} is not supported`);
+  }
 
   // see toolkit/components/prompts/content/commonDialog.js
   let {loginTextbox} = this.dialog.ui;

testing/marionette/modal.js

@@ -143,11 +143,19 @@ modal.Dialog = class {
     return null;
   }
 
-  get ui() {
+  get tabModal() {
     let win = this.window;
     if (win) {
-      return win.Dialog.ui;
+      return win.Dialog;
     }
-    return this.curBrowser_.getTabModalUI();
+    return this.curBrowser_.getTabModal();
+  }
+
+  get args() {
+    return this.tabModal.args;
+  }
+
+  get ui() {
+    return this.tabModal.ui;
   }
 };