Unit tests of different ViewModels
Description
Includes various unit tests for viewmodels of vlc-android.
Motivation and Context
The code needs automated tests to analyse its stability. So, LibVLC needs to work without actual device and native libraries. The tests aren't done completely, but I wanted them to be reviewed along with the API changes I did.
How Has This Been Tested?
I did test it with actual APK, but it seems the previous medialibrary changes in upstream/master have broken it and so medialibrary doesn't work.
Screenshots / GIFs (if appropriate):
Types of changes
The implementation part was abstracted away for LibVLC to accomodate an on-demand request of implementations based on given interfaces. For that, AbstractFactoryManager design pattern is used.
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Bug fix (non-breaking change which fixes an issue) -
New feature (non-breaking change which adds functionality) -
Enhancement (non-breaking change which cleans up / improves existing functionality) -
Breaking change (fix or feature that would cause existing functionality to change)
Checklist
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I have read the CONTRIBUTING section of the README document.