Before: Save g:ale_set_loclist Save g:ale_set_quickfix Save g:ale_buffer_info Save g:ale_set_lists_synchronously let g:ale_buffer_info = {} let g:ale_set_loclist = 0 let g:ale_set_quickfix = 0 let g:ale_set_lists_synchronously = 1 call ale#test#SetDirectory('/testplugin/test') After: Restore call setloclist(0, []) call setqflist([]) call ale#test#RestoreDirectory() Execute(The loclist titles should be set appropriately): silent noautocmd file foo let g:ale_set_loclist = 1 call ale#list#SetLists(bufnr(''), [ \ {'bufnr': bufnr(''), 'lnum': 5, 'col': 5, 'text': 'x', 'type': 'E'}, \]) AssertEqual [{ \ 'lnum': 5, \ 'bufnr': bufnr(''), \ 'col': 5, \ 'text': 'x', \ 'valid': 1, \ 'vcol': 0, \ 'nr': 0, \ 'type': 'E', \ 'pattern': '', \}], ale#test#GetLoclistWithoutNewerKeys() if !has('nvim') AssertEqual \ {'title': ale#path#Simplify(getcwd() . '/foo')}, \ getloclist(0, {'title': ''}) endif Execute(The quickfix titles should be set appropriately): silent noautocmd file foo let g:ale_set_quickfix = 1 let g:ale_buffer_info[bufnr('')] = { \ 'loclist': [{'bufnr': bufnr(''), 'lnum': 5, 'col': 5, 'text': 'x', 'type': 'E'}], \} call ale#list#SetLists(bufnr(''), [ \ {'bufnr': bufnr(''), 'lnum': 5, 'col': 5, 'text': 'x', 'type': 'E'}, \]) AssertEqual [{ \ 'lnum': 5, \ 'bufnr': bufnr(''), \ 'col': 5, \ 'text': 'x', \ 'valid': 1, \ 'vcol': 0, \ 'nr': 0, \ 'type': 'E', \ 'pattern': '', \}], ale#test#GetQflistWithoutNewerKeys() if !has('nvim') AssertEqual \ {'title': ale#path#Simplify(getcwd() . '/foo')}, \ getqflist({'title': ''}) endif