From b67d4a4881c8a3d1de536c0acb659337b27eceeb Mon Sep 17 00:00:00 2001
From: Becky Gilbert <beckyannegilbert@gmail.com>
Date: Wed, 2 Dec 2020 12:11:38 -0800
Subject: [PATCH] add auto preload test

---
 .../plugin-video-button-response.test.js        | 17 +++++++++++++++++
 .../plugin-video-keyboard-response.test.js      | 17 +++++++++++++++++
 .../plugin-video-slider-response.test.js        | 16 ++++++++++++++++
 3 files changed, 50 insertions(+)

diff --git a/tests/plugins/plugin-video-button-response.test.js b/tests/plugins/plugin-video-button-response.test.js
index 7a0c2ad7..a35aada6 100644
--- a/tests/plugins/plugin-video-button-response.test.js
+++ b/tests/plugins/plugin-video-button-response.test.js
@@ -13,4 +13,21 @@ describe('video-button-response plugin', function(){
 		expect(typeof window.jsPsych.plugins['video-button-response']).not.toBe('undefined');
 	});
 
+	test('video preloading initiates automatically', function(){
+		const preload_spy = jest.spyOn(jsPsych.pluginAPI, 'registerPreload');
+		const console_spy = jest.spyOn(console, 'warn');
+		var trial = {
+			type: 'video-button-response',
+			stimulus: [root + 'tests/media/sample_video.mp4'],
+			choices: ['y']
+		}
+		jsPsych.init({
+			timeline: [trial]
+		});
+		//expect(preload_spy).toHaveBeenCalled(); // NOT WORKING
+		expect(console_spy).not.toHaveBeenCalled();
+		preload_spy.mockRestore();
+		console_spy.mockRestore();
+	});
+
 });
diff --git a/tests/plugins/plugin-video-keyboard-response.test.js b/tests/plugins/plugin-video-keyboard-response.test.js
index 9ca09bd5..a0194832 100644
--- a/tests/plugins/plugin-video-keyboard-response.test.js
+++ b/tests/plugins/plugin-video-keyboard-response.test.js
@@ -13,4 +13,21 @@ describe('video-keyboard-response plugin', function(){
 		expect(typeof window.jsPsych.plugins['video-keyboard-response']).not.toBe('undefined');
 	});
 
+	test('video preloading initiates automatically', function(){
+		const preload_spy = jest.spyOn(jsPsych.pluginAPI, 'registerPreload');
+		const console_spy = jest.spyOn(console, 'warn');
+		var trial = {
+			type: 'video-keyboard-response',
+			stimulus: [root + 'tests/media/sample_video.mp4'],
+			choices: jsPsych.ALL_KEYS
+		}
+		jsPsych.init({
+			timeline: [trial]
+		});
+		//expect(preload_spy).toHaveBeenCalled(); // NOT WORKING
+		expect(console_spy).not.toHaveBeenCalled();
+		preload_spy.mockRestore();
+		console_spy.mockRestore();
+	});
+
 });
diff --git a/tests/plugins/plugin-video-slider-response.test.js b/tests/plugins/plugin-video-slider-response.test.js
index add93c8c..948ccaf6 100644
--- a/tests/plugins/plugin-video-slider-response.test.js
+++ b/tests/plugins/plugin-video-slider-response.test.js
@@ -13,4 +13,20 @@ describe('video-slider-response plugin', function(){
 		expect(typeof window.jsPsych.plugins['video-slider-response']).not.toBe('undefined');
 	});
 
+	test('video preloading initiates automatically', function(){
+		const preload_spy = jest.spyOn(jsPsych.pluginAPI, 'registerPreload');
+		const console_spy = jest.spyOn(console, 'warn');
+		var trial = {
+			type: 'video-slider-response',
+			stimulus: [root + 'tests/media/sample_video.mp4']
+		}
+		jsPsych.init({
+			timeline: [trial]
+		});
+		//expect(preload_spy).toHaveBeenCalled(); // NOT WORKING
+		expect(console_spy).not.toHaveBeenCalled();
+		preload_spy.mockRestore();
+		console_spy.mockRestore();
+	});
+
 });