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Chrome - Firefox WebRTC Interop Test - Pt 2

Tuesday, September 09, 2014
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Labels: Patrik Höglund

3 comments :

  1. КонстантинMay 11, 2016 at 8:45:00 AM PDT

    Hi, thanks for the article!
    I was wondering if it's somehow possible to emulate fake device disconnection? Emulate case when you have some device that's used and then it gets disconnected.

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  2. UnknownMay 12, 2016 at 5:21:00 AM PDT

    You mean like a webcam? I jokingly suggested once we should build Lego Mindstorms robots to yank out USB webcams attached to build bots and plug them back in again to test we deal with it correctly in Chrome code. I suspect you mean getting a WebRTC call up and then severing the network connection here, though.

    You could write such a test; maybe force the WebRTC call to go over the machine's loopback interface, have the test issue some ipfw/iptables commands halfway through the test, and see what Chrome does. That is very difficult to implement however. A continuous integration machine is always going to be running a bunch of other tests, so tests that modify the global machine state are usually a bad idea. I'd recommend manual testing to establish it works and then write unit tests to exercise the code paths that deal with a lost connection.

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    1. КонстантинMay 12, 2016 at 7:59:00 AM PDT

      Actually my question was about that robots ))
      I need to simulate somehow microphone or webcam plug/unplug for my web app.
      For now I'm thinking about OS-level virtual devices...

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