Before:
Save g:ale_pony_ponyc_options
unlet! g:ale_pony_ponyc_options
unlet! b:ale_pony_ponyc_options
runtime ale_linters/pony/ponyc.vim
After:
Restore
call ale#linter#Reset()
Execute(The options should be used in the command):
AssertEqual
\ ale#Escape('ponyc') . ' --pass paint',
\ ale_linters#pony#ponyc#GetCommand(bufnr(''))
let b:ale_pony_ponyc_options = 'foobar'
\ ale#Escape('ponyc') . ' foobar',