From 1bc09869b33f5ff80ea9bba10abac97efd210298 Mon Sep 17 00:00:00 2001
From: Oz Weiss <thewizarodofoz@gmail.com>
Date: Thu, 19 Oct 2017 19:53:59 +0300
Subject: [PATCH 1/4] add option to run tests in a specific file

---
 gulpfile.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index f80cfe91d34..cfb61172401 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -173,10 +173,11 @@ gulp.task('webpack', ['clean'], function () {
 // By default, this runs in headless chrome.
 //
 // If --watch is given, the task will re-run unit tests whenever the source code changes
+// If --file "<path-to-test-file>" is given, the task will only run tests in the specified file.
 // If --browserstack is given, it will run the full suite of currently supported browsers.
 // If --browsers is given, browsers can be chosen explicitly. e.g. --browsers=chrome,firefox,ie9
 gulp.task('test', ['clean'], function (done) {
-  var karmaConf = karmaConfMaker(false, argv.browserstack, argv.watch);
+  var karmaConf = karmaConfMaker(false, argv.browserstack, argv.watch, argv.file);
 
   var browserOverride = helpers.parseBrowserArgs(argv).map(helpers.toCapitalCase);
   if (browserOverride.length > 0) {

From ceab8f5e567f2c52d8104a2200b607d14ba8baf7 Mon Sep 17 00:00:00 2001
From: Oz Weiss <thewizarodofoz@gmail.com>
Date: Thu, 19 Oct 2017 19:56:03 +0300
Subject: [PATCH 2/4] add option to run tests in a specific file

---
 karma.conf.maker.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/karma.conf.maker.js b/karma.conf.maker.js
index aad6a7d7c1d..2886d1e8dcc 100644
--- a/karma.conf.maker.js
+++ b/karma.conf.maker.js
@@ -92,10 +92,10 @@ function setBrowsers(karmaConf, browserstack) {
   }
 }
 
-module.exports = function(codeCoverage, browserstack, watchMode) {
+module.exports = function(codeCoverage, browserstack, watchMode, file) {
   var webpackConfig = newWebpackConfig(codeCoverage);
   var plugins = newPluginsArray(browserstack);
-  var files = [
+  var files = file ? [file] : [
     'test/helpers/prebidGlobal.js',
     'test/**/*_spec.js'
   ];

From 3005796fc59139e28fccee4dd212567e68ef2774 Mon Sep 17 00:00:00 2001
From: Oz Weiss <thewizarodofoz@gmail.com>
Date: Tue, 24 Oct 2017 18:42:53 +0300
Subject: [PATCH 3/4] Update gulpfile.js

---
 gulpfile.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index cfb61172401..d7a151ce357 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -187,8 +187,9 @@ gulp.task('test', ['clean'], function (done) {
   new KarmaServer(karmaConf, newKarmaCallback(done)).start();
 });
 
+// If --file "<path-to-test-file>" is given, the task will only run tests in the specified file.
 gulp.task('test-coverage', ['clean'], function(done) {
-  new KarmaServer(karmaConfMaker(true, false), newKarmaCallback(done)).start();
+  new KarmaServer(karmaConfMaker(true, false, argv.file), newKarmaCallback(done)).start();
 });
 
 // View the code coverage report in the browser.

From b18e7a81ceb6e70990923cc49d6fe56904ec23c8 Mon Sep 17 00:00:00 2001
From: Oz Weiss <thewizarodofoz@gmail.com>
Date: Tue, 24 Oct 2017 18:47:06 +0300
Subject: [PATCH 4/4] Update karma.conf.maker.js

---
 karma.conf.maker.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/karma.conf.maker.js b/karma.conf.maker.js
index 2886d1e8dcc..d2b1d49e081 100644
--- a/karma.conf.maker.js
+++ b/karma.conf.maker.js
@@ -95,9 +95,9 @@ function setBrowsers(karmaConf, browserstack) {
 module.exports = function(codeCoverage, browserstack, watchMode, file) {
   var webpackConfig = newWebpackConfig(codeCoverage);
   var plugins = newPluginsArray(browserstack);
-  var files = file ? [file] : [
+  var files = [
     'test/helpers/prebidGlobal.js',
-    'test/**/*_spec.js'
+    file ? file : 'test/**/*_spec.js'
   ];
   // This file opens the /debug.html tab automatically.
   // It has no real value unless you're running --watch, and intend to do some debugging in the browser.