tests: Add editing focus test

Fixes tastejs#1560

tests/page.js

@@ -107,9 +107,17 @@ module.exports = function Page(browser) {
 	};
 
 	// ----------------- DOM element access methods
+	this.getActiveElement = function () {
+		return browser.switchTo().activeElement();
+	};
+
+	this.getFocussedTagName = function () {
+		return this.getActiveElement().getTagName();
+	};
 
 	this.getFocussedElementId = function () {
-		return browser.switchTo().activeElement().getAttribute(!idSelectors ? 'id' : 'class');
+		return this.getActiveElement()
+			.getAttribute(!idSelectors ? 'id' : 'class');
 	};
 
 	this.getEditInputForItemAtIndex = function (index) {

tests/test.js

@@ -216,6 +216,11 @@ module.exports.todoMVCTest = function (frameworkName, baseUrl, speedMode, laxMod
 				page.doubleClickItemAtIndex(1);
 			});
 
+			test.it('should focus the input', function () {
+				testOps.assertInputFocused();
+				testOps.assertNewInputNotFocused();
+			});
+
 			test.it('should hide other controls when editing', function () {
 				testOps.assertItemToggleIsHidden(1);
 				testOps.assertItemLabelIsHidden(1);

tests/testOperations.js

@@ -21,8 +21,22 @@ function TestOperations(page) {
 		});
 	}
 
+	this.assertNewInputNotFocused = function () {
+		return page.getFocussedElementId()
+			.then(function(name) {
+				assert.notEqual(name, 'new-todo');
+			});
+	};
+
+	this.assertInputFocused = function () {
+		return page.getFocussedTagName()
+			.then(function (name) {
+				assert.equal(name, 'input', 'input does not have focus');
+			});
+	};
+
 	this.assertFocussedElementId = function (expectedId) {
-		page.getFocussedElementId().then(function (id) {
+		page.getFocussedTagName().then(function (id) {
 			assert.notEqual(id.indexOf(expectedId), -1, 'The focused element did not have the expected id ' + expectedId);
 		});
 	};