jsPsych/tests/plugins/plugin-html-slider-response.test.js

const utils = require('../testing-utils.js');
const root = '../../';

jest.useFakeTimers();

describe('html-slider-response', function(){

	beforeEach(function(){
		require(root + 'jspsych.js');
		require(root + 'plugins/jspsych-html-slider-response.js');
	});

	test('loads correctly', function(){
		expect(typeof window.jsPsych.plugins['html-slider-response']).not.toBe('undefined');
	});

	test('displays html stimulus', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			button_label: 'button'
		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().innerHTML).toMatch('<div id="jspsych-html-slider-response-stimulus">this is html</div>');
	});

	test('displays labels', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			button_label: 'button'
		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().innerHTML).toMatch('<span style=\"text-align: center; font-size: 80%;\">left</span>');
		expect(jsPsych.getDisplayElement().innerHTML).toMatch('<span style=\"text-align: center; font-size: 80%;\">right</span>');
	});

	test('displays button label', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			button_label: 'button'
		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().innerHTML).toMatch('<button id=\"jspsych-html-slider-response-next\" class=\"jspsych-btn\">button</button>');
	});

	test('should set min, max and step', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			min: 2,
			max: 10,
			step: 2,
			button_label: 'button'
		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().querySelector('#jspsych-html-slider-response-response').min).toBe('2');
		expect(jsPsych.getDisplayElement().querySelector('#jspsych-html-slider-response-response').max).toBe('10');
		expect(jsPsych.getDisplayElement().querySelector('#jspsych-html-slider-response-response').step).toBe('2');
	});

	test('should append to bottom on stimulus', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			button_label: 'button',
			prompt: '<p>This is a prompt</p>'
		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().innerHTML).toMatch('<p>This is a prompt</p>');
	});

	test('should hide stimulus if stimulus_duration is set', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			button_label: 'button',
			stimulus_duration: 500
		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().querySelector('#jspsych-html-slider-response-stimulus').style.visibility).toMatch("");
		jest.runTimersToTime(500);
		expect(jsPsych.getDisplayElement().querySelector('#jspsych-html-slider-response-stimulus').style.visibility).toMatch("hidden");
	});

	test('should end trial when trial duration is reached', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			button_label: 'button',
			trial_duration: 500

		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().innerHTML).toMatch('<div id="jspsych-html-slider-response-stimulus">this is html</div>');
		jest.runTimersToTime(500);
		expect(jsPsych.getDisplayElement().innerHTML).toBe('');
	});

	test('should end trial when button is clicked', function(){
		var trial = {
			type: 'html-slider-response',
			stimulus: 'this is html',
			labels: ['left', 'right'],
			button_label: 'button',
			response_ends_trial: true
		}

		jsPsych.init({
			timeline: [trial]
		});

		expect(jsPsych.getDisplayElement().innerHTML).toMatch('<div id="jspsych-html-slider-response-stimulus">this is html</div>');

		utils.clickTarget(document.querySelector('#jspsych-html-slider-response-next'));

		expect(jsPsych.getDisplayElement().innerHTML).toBe('');
	});
});