join room before sending message

[bboehmke]

With this change it will be checked if the room can be joined before sending the message.

[nim65s]

Nice feature, thanks :)

[codecov-commenter]

Codecov Report

Merging #12 (d2a3e61) into master (624a1b2) will decrease coverage by 5.05%.
The diff coverage is 79.16%.

@@            Coverage Diff             @@
##           master      #12      +/-   ##
==========================================
- Coverage   97.95%   92.89%   -5.06%     
==========================================
  Files           6        6              
  Lines         147      169      +22     
==========================================
+ Hits          144      157      +13     
- Misses          3       12       +9     

Impacted Files	Coverage Δ
matrix_webhook/utils.py	75.00% <76.19%> (-14.66%)	⬇️
matrix_webhook/handler.py	100.00% <100.00%> (ø)

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[nim65s]

I took the liberty of updating the unit test. Is this OK for you ?

[bboehmke]

sure! I have never done unit test for python so it would be much harder for me to fix this.

[nim65s]

ok !