An outlook at the major areas of the audio/video testing plan for Firefox 3.1

The <video> and <audio> HTML5 tags and elements new in nature require extensive testing that require strictly written unit tests that, in essence, contract that the piece of code may satisfy.

Having a look at the recent video and audio test plan –  recently updated here: https://wiki.mozilla.org/QA/Firefox3.1/Video_And_Audio_TestPlan; there are areas already covered with a sufficient amount of testing as well as other areas of the testing plan need to be tested.

Tests for the areas already covered may be found here: mozilla/ content/ media/ video/ test/ of which tests include:

  • Test control toggle to determine if the controls appear and that the controls appear properly: test_controls.html
  • Test autoplay to ensure proper default and can be set to proper values: test_autoplay.html
  • Test that currentTime returns currentTime inside the video: test_currentTime.html
  • Test duration of a video that is not buffered: tst_duration1.html
  • Test that ended event gets sent and currentTime set properly: test_ended1.html
  • Test that ended event gets sent and currentTime set properly for buffered video: test_ended1.html
  • Test that playback can be restarted: test_ended2.html
  • Should not be able to set networkState: test_networkState.html
  • Test paused: test_paused.html
  • Test cannot set readyState: test_readyState.html
  • Test that volume setting works: test_volume.html

As one can observe, quite a few number of tests have already been written for the new tags. The areas of which that still need focusing that I find interesting are:

  • Testing the ‘Souce Element’
    • Especially now that the attribute isn’t required (i.e., http://blog.whatwg.org/this-week-in-html-5-episode-13), test will be required with and without it.  The <source type> attribute is now optional. If you aren’t sure what kind of video you’re serving, you can just throw one or more <source> elements into a <video> element and the browser will try each of them in the order specified.
  • Testing read only Attributes
    • Testing is required for read only attributes of video/audio elements that the user should not be able to mess with.  For example, any read only attributes for the source tags would need testing

    Testing seeking capabilities

    • Tests already exists for seeking capabilities but more might be necessary in order to test odd/unusual invalid data.

These areas provide a general sense of the testing involved for both audio and video tags and provide some insight into the testing plan for this area. For my 0.3, I hope to cover some of these interesting areas.

Detailed audio/video plan: https://wiki.mozilla.org/QA/Firefox3.1/Video_And_Audio_TestPlan

Cheers,

Aaron

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