May 2019
Intermediate to advanced
496 pages
10h 38m
English
Content preview from Mastering React Test-Driven Development
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Designing a WebSocket interaction
Before we begin test-driving, let's think about the up-front design.
There are two modes of operation: presenting and watching. If you're presenting, then everyone watching will get a copy of your commands. A session is made up of one presenter and zero or more watchers. WebSockets are used to communicate with the server. Messages are sent in JSON format.
The new teaching mode, with sharing information at the top of the screen
So, how does it work?
- The presenter clicks the Start sharing button. The server is sent the following message.
{ type: 'START_SHARING' }
- The server then responds with the id of the ...
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