How to write automation for appx file?

[maninwindow]

I am new for windows phone development and currently working on windows phone automation test.I only have appx file of the AUT,.My questions as follows:
1.Is it possible to automate appx files without source code?
2.If it is possible how to install appx file into windows phone emulator by writing code.
3.Is there any sample for this kind of automation?
Thanks in advance.

[NickAb]

It is possible using this project, but this project is mainly proof of concept and not read for stable production use.
You can find samples in repo at https://github.com/2gis/Winium.StoreApps.CodedUi/blob/master/TestExamples/test_sample.py

[maninwindow]

Let me try. Thank you very much!