Player Simulator
- 15 Oct 2024
- 5 読む分
- 印刷する
Player Simulator
- 更新日 15 Oct 2024
- 5 読む分
- 印刷する
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This document describes how to set up a test and debug environment for Dise templates.
The Player Simulator is a light-weight implementation of the Dise Player API, suitable for running and debugging templates in a stand-alone environment, i.e. outside of the normal CMS/Player system. The dynamic data which would normally come from the CMS needs to be provided in local “mock” files.
Prerequisites
A suitable IDE is recommended:
Visual Studio Code.
Visual Studio.
any other IDE which supports TypeScript debugging.
Debugging directly in a browser is possible, but not recommended if a proper IDE experience is available.
Template Test File Structure
Template repositories usually have this structure (with a single template, called “testTemplate” here):
Index.html | our launcher-file |
PlayerSimulator/ | PlayerSim – an ES6-module in later versions of the framework |
TemplateFramework/ | a Git-link to TemplateFramework as a SubModule |
testTemplate/ | our template |
template.html | our template main-file for release |
debug.html | our template main-file with any development-changes |
… | any other files |
MockData/ | |
content.json | mock Playlist |
settings.json | template settings we would usually get from the CMS |
attributes.json | any initial attributes for testing |
… | any test-assets, like videos or images |
The formats of the various files are described below.
Settings.json
The settings.json file is used to define settings which would normally be found in the manifest file (template.json) when the template is added to and used from the CMS.
An example of a minimal settings.json:
{
"settings": {
"targetWidth": 1920,
"targetHeight": 1080
}
}(defaults to allowReuse: true and scalePlayer: false)
In most cases, a fallback-duration should be set, allowReuse, and scalePlayer:
{
"id": "",
"name": "Test Template",
"settings": {
"defaultDuration": 15,
"targetWidth": 1920,
"targetHeight": 1080,
"allowReuse": false,
"scalePlayer": true
}
}Content.json
The content.json file contains the mock playlist with content item(s) for testing the template. It is a simple JSON array with “any” objects:
[
{
"text": "Hello world!",
"someFile": {
"url": https: //foo.bar.com/image.jpg
}
},
{
"text": "Status update",
"someFile": {
"url": https: //foo.bar.com/status.png
}
}
]When the template is used, this data will be provided by the CMS, in the same format.
The template should check the format and data and handle any errors.
Attributes.json
The attributes.json file may contain any mock attributes (tags and triggers) to pass to the template as metadata.attributes for testing:
[
{
"name": "static.MagicEnabled",
"active": true
},
{
"name": "dyn.Observers",
"active": true,
"data": "[\"Zaphod Beeblebrox\"]"
}
]Index.html Launcher File
The index.html file is the main entry point for running the template:
<!DOCTYPE html>
<html lang="en">
<head>
<meta HTTP-EQUIV="Expires" CONTENT="-1" />
<meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />
<meta charset="utf-8" />
<title>Dise Player Simulator</title>
<script> const templates = { test: { testTemplate: ['testTemplate'], } } </script>
<script
type="module"> import { PlayerSimulator } from "./PlayerSimulator/out/PlayerSimulator.js"; // Select template here: const template = templates.test.testTemplate; const players = []; function startPlayer(e) { const props = getProps(template); return new PlayerSimulator(e, props.content, props.settings, props.page); } const start = () => players.push(startPlayer(document.getElementsByTagName('container')[0])); if (document.readyState !== 'complete') document.addEventListener('DOMContentLoaded', () => start(), false); else start(); function getProps(propsA) { if (!Array.isArray(propsA) || !propsA[0]) throw Error('Invalid'); const [folder, relPage, relContent, relSettings] = propsA; return { page: relPage || folder + '/Debug.html', content: relContent || folder + '/MockData/Content.json', settings: relSettings || folder + '/MockData/Settings.json' }; }; </script>
<style>
html body {
margin: 0;
padding: 0;
border: 0;
font-family: sans-serif;
}
container {
display: block;
width: 100vw;
height: 100vh;
position: relative;
background-color: #ddd;
overflow: hidden;
}
container iframe {
position: absolute;
z-index: 1;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<container></container>
</body>
</html>The templates object will have references to all templates in the repo for easy testing. The-tuple-syntax for each relative Url allows for overriding the launch-file, content, and settings.
Development in Visual Studio Code
VS Code's built-in debugger can help to accelerate your development and debug loop. You can set up the debugger in VS Code by installing two extensions:
Debugger for Chrome
Live Server
Launch Live Server by right clicking index.html launcher-file in the root directory.
Navigate to VS Code debugger and create a config file in VS Debugger by clicking the "Run and Debug" button. Select Chrome as a development environment. Replace "url": with the link in the browser http://127.0.0.1:5500/Index.html. Note that port “5500” can vary depending on the local setup.
Or paste this snippet in the config file:
Compile template and set it to watch/live-reload by cd (your template-folder), then tsc -p . -w command in the terminal/cmd/shell.
Set a breakpoint and run the VS Code debugger.
Development in Visual Studio
Install the TypeScript Tools extension. If you use LESS/SASS, also install the WebCompiler extension.
Add a Web project with the relevant files. There are multiple project types to do this – check the Microsoft documentation.
Set the HTML file which hosts PlayerSimulator as the Start Page; set a break-point in the template and press F5.
Building a Release ZIP file
Once developed, tested, and debugged the template in PlayerSim, the next step is to build a production release ZIP file which can then be uploaded to the CMS.
To easily automate creation of these ZIP files, the folder and file structure is standardised as follows:
testTemplate/ | our template |
template.html | our template main-file for release |
template.js | our template code file, generated by the TypeScript compiler |
css/ | |
template.min.css | our template CSS file, generated by the LESS preprocessor |
assets/ | all files in this folder are included |
fonts/ | all files in this folder are included |
editor/ | all files in this folder are included |
deployment/ | |
template.json | the manifest file |
The release ZIP file is then built using a Node.js script, which is provided as part of the Player Simulator.
The package.json file looks as follows:
"scripts": {
"build-testTemplate": "cd testTemplate && tsc -p . & lessc css/template.less css/template.css & lessc --clean-css css/template.less css/template.min.css",
"zip-testTemplate": "node build/zipDiseTemplate.js testTemplate testTemplate.zip"
}To build the ZIP file:
npm run zip-testTemplate
The ZIP file is then created in the deployment folder.
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