Add JS bindings for Microsoft's Edge browser

Add a base set of capabilities for Microsoft's Edge browser
Add 'EDGE' property to webdriver.Browser object.
Add 'edge' method to webdriver.Capabilities object.

Add edge.js to javascript/node/selenium-webdriver directory

Add Edge-specific Options class

Add Edge-specific ServiceBuilder class

Add an Edge-specific ServiceBuilder class that manages
the Edge WebDriver server in a child process.

Add a WebDriver client for Microsoft's Edge browser

Add license header to edge.js

Add Edge-specific properties and methods to the Builder class

* Create WebDriver client when the Edge browser is specified.
* Add edgeOptions property and setEdgeOptions method.

Update README.md & CHANGES.md

Signed-off-by: Jason Leyba <[email protected]>

javascript/node/selenium-webdriver/CHANGES.md

@@ -9,6 +9,7 @@ the selenium-webdriver package README.
 
 ### Change Summary
 
+* Add support for Microsoft's Edge web browser
 * Bumped the minimum supported version of Node to v4.2.x
 * Added `promise.Promise#catch()` for API compatibility with native Promises.
     `promise.Promise#thenCatch()` is not yet deprecated, but it simply

javascript/node/selenium-webdriver/README.md

@@ -12,8 +12,8 @@ Selenium may be installed via npm with
 
 Out of the box, Selenium includes everything you need to work with Firefox. You
 will need to download additional components to work with the other major
-browsers. The drivers for Chrome, IE, PhantomJS, and Opera are all standalone
-executables that should be placed on your
+browsers. The drivers for Chrome, PhantomJS, Opera, and Microsoft's IE and Edge 
+web browsers are all standalone executables that should be available on your
 [PATH](http://en.wikipedia.org/wiki/PATH_%28variable%29). The SafariDriver
 browser extension should be installed in your browser before using Selenium; we
 recommend disabling the extension when using the browser without Selenium or
@@ -23,6 +23,7 @@ installing the extension in a profile only used for testing.
 | ----------------- | ---------------------------------- |
 | Chrome            | [chromedriver(.exe)][chrome]       |
 | Internet Explorer | [IEDriverServer.exe][release]      |
+| Edge              | [MicrosoftWebDriver.msi][edge]     | 
 | PhantomJS         | [phantomjs(.exe)][phantomjs]       |
 | Opera             | [operadriver(.exe)][opera]         |
 | Safari            | [SafariDriver.safariextz][release] |
@@ -219,6 +220,7 @@ under the License.
 [issues]: https://github.com/SeleniumHQ/selenium/issues
 [opera]: https://github.com/operasoftware/operachromiumdriver/releases
 [phantomjs]: http://phantomjs.org/
+[edge]: http://go.microsoft.com/fwlink/?LinkId=619687
 [reduction]: http://www.webkit.org/quality/reduction.html
 [release]: http://selenium-release.storage.googleapis.com/index.html
 [users]: https://groups.google.com/forum/#!forum/selenium-users

javascript/node/selenium-webdriver/builder.js

@@ -113,6 +113,9 @@ var Builder = function() {
   /** @private {ie.Options} */
   this.ieOptions_ = null;
 
+  /** @private {edge.Options} */
+  this.edgeOptions_ = null;
+
   /** @private {safari.Options} */
   this.safariOptions_ = null;
 
@@ -338,7 +341,7 @@ Builder.prototype.setOperaOptions = function(options) {
 
 
 /**
- * Sets Internet Explorer specific
+ * Sets Microsoft's Internet Explorer specific
  * {@linkplain selenium-webdriver/ie.Options options} for drivers created by
  * this builder. Any proxy settings defined on the given options will take
  * precedence over those set through {@link #setProxy}.
@@ -351,6 +354,19 @@ Builder.prototype.setIeOptions = function(options) {
   return this;
 };
 
+/**
+ * Sets Microsoft's Edge specific
+ * {@linkplain selenium-webdriver/edge.Options options} for drivers created by
+ * this builder. Any proxy settings defined on the given options will take
+ * precedence over those set through {@link #setProxy}.
+ *
+ * @param {!edge.Options} options The MicrosoftEdgeDriver options to use.
+ * @return {!Builder} A self reference.
+ */
+Builder.prototype.setEdgeOptions = function(options) {
+  this.edgeOptions_ = options;
+  return this;
+};
 
 /**
  * Sets Safari specific {@linkplain selenium-webdriver/safari.Options options}
@@ -428,6 +444,9 @@ Builder.prototype.build = function() {
 
   } else if (browser === Browser.SAFARI && this.safariOptions_) {
     capabilities.merge(this.safariOptions_.toCapabilities());
+
+  } else if (browser === Browser.EDGE && this.edgeOptions_) {
+    capabilities.merge(this.edgeOptions_.toCapabilities());
   }
 
   // Check for a remote browser.
@@ -465,6 +484,12 @@ Builder.prototype.build = function() {
       var ie = require('./ie');
       return new ie.Driver(capabilities, this.flow_);
 
+    case Browser.EDGE:
+      // Requiring 'edge' above would create a cycle:
+      // index -> builder -> edge -> index
+      var edge = require('./edge');
+      return new edge.Driver(capabilities, null, this.flow_);
+
     case Browser.OPERA:
       // Requiring 'opera' would create a cycle:
       // index -> builder -> opera -> index