Display progress and runtime while test suite is executing (#1398)

Closes #1394

reporter/html.js

@@ -1,5 +1,7 @@
 import QUnit from "../src/core";
+import Test from "../src/test";
 import { extractStacktrace } from "../src/core/stacktrace";
+import { now } from "../src/core/utilities";
 import { window, navigator } from "../src/globals";
 import "./urlparams";
 
@@ -735,6 +737,29 @@ export function escapeText( s ) {
 		return nameHtml;
 	}
 
+	function getProgressHtml( runtime, stats, total ) {
+		var completed = stats.passedTests +
+			stats.skippedTests +
+			stats.todoTests +
+			stats.failedTests;
+
+		return [
+			"<br />",
+			completed,
+			" / ",
+			total,
+			" tests completed in ",
+			runtime,
+			" milliseconds, with ",
+			stats.failedTests,
+			" failed, ",
+			stats.skippedTests,
+			" skipped, and ",
+			stats.todoTests,
+			" todo."
+		].join( "" );
+	}
+
 	QUnit.testStart( function( details ) {
 		var running, bad;
 
@@ -751,7 +776,8 @@ export function escapeText( s ) {
 				bad ?
 					"Rerunning previously failed test: <br />" :
 					"Running: <br />",
-				getNameHtml( details.name, details.module )
+				getNameHtml( details.name, details.module ),
+				getProgressHtml( now() - config.started, stats, Test.count )
 			].join( "" );
 		}
 

test/reporter-html/reporter-html.js

@@ -50,6 +50,18 @@ QUnit.test( "running test name displayed", function( assert ) {
 	);
 } );
 
+QUnit.test( "running test suite progress displayed", function( assert ) {
+	assert.expect( 1 );
+
+	var displaying = document.getElementById( "qunit-testresult" );
+
+	var expected = /\d+ \/ \d+ tests completed in \d+ milliseconds, with \d+ failed, \d+ skipped, and \d+ todo./;
+	assert.ok(
+		expected.test( displaying.innerHTML ),
+		"Expect test suite progress to be found in displayed text"
+	);
+} );
+
 QUnit.module( "timing", {
 	getPreviousTest: function( assert ) {
 		return document.getElementById( "qunit-test-output-" + assert.test.testId )
@@ -136,7 +148,6 @@ QUnit.test( "logs location", function( assert ) {
 	);
 } );
 
-
 QUnit.test( "disables autocomplete on module filter", function( assert ) {
 	var moduleFilterSearch = document.getElementById( "qunit-modulefilter-search" );