test: basic integration test

[hunjixin]

No description provided.

[codecov]

Codecov Report

Merging #53 (890440e) into main (e3bb650) will decrease coverage by 4.67%.
Report is 4 commits behind head on main.
The diff coverage is 34.19%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #53      +/-   ##
==========================================
- Coverage   58.36%   53.69%   -4.67%     
==========================================
  Files          82      100      +18     
  Lines        7935     9675    +1740     
==========================================
+ Hits         4631     5195     +564     
- Misses       2802     3931    +1129     
- Partials      502      549      +47     

Files	Coverage Δ
api/api_impl/server.go	69.49% <ø> (ø)
auth/context.go	100.00% <100.00%> (+100.00%)	⬆️
cmd/root.go	58.33% <100.00%> (ø)
controller/user_ctl.go	60.60% <100.00%> (ø)
models/merge_request.go	85.71% <100.00%> (ø)
models/ref.go	96.20% <100.00%> (+35.88%)	⬆️
models/repository.go	89.15% <100.00%> (+14.50%)	⬆️
models/wip.go	97.24% <100.00%> (ø)
auth/auth_middleware.go	50.45% <50.00%> (+50.45%)	⬆️
config/config.go	54.54% <85.71%> (+54.54%)	⬆️
... and 8 more

... and 16 files with indirect coverage changes