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let s:chain_results = []
function! ale#assert#WithChainResults(...) abort
let s:chain_results = a:000
endfunction
function! s:GetLinter() abort
let l:linters = ale#linter#GetLintersLoaded()
let l:filetype_linters = get(values(l:linters), 0, [])
if len(l:linters) is 0 || len(l:filetype_linters) is 0
throw 'No linters were loaded'
endif
if len(l:linters) > 1 || len(l:filetype_linters) > 1
throw 'More than one linter was loaded'
endif
return l:filetype_linters[0]
endfunction
" Load the currently loaded linter for a test case, and check that the command
" matches the given string.
function! ale#assert#Linter(expected_executable, expected_command) abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:executable = ale#linter#GetExecutable(l:buffer, l:linter)
while ale#command#IsDeferred(l:executable)
call ale#test#FlushJobs()
let l:executable = l:executable.value
endwhile
if has_key(l:linter, 'command_chain')
let l:callbacks = map(copy(l:linter.command_chain), 'v:val.callback')
" If the expected command is a string, just check the last one.
if type(a:expected_command) is v:t_string
if len(l:callbacks) is 1
let l:command = call(l:callbacks[0], [l:buffer])
else
let l:input = get(s:chain_results, len(l:callbacks) - 2, [])
let l:command = call(l:callbacks[-1], [l:buffer, l:input])
endif
else
let l:command = []
let l:chain_index = 0
for l:Callback in l:callbacks
if l:chain_index is 0
call add(l:command, call(l:Callback, [l:buffer]))
else
let l:input = get(s:chain_results, l:chain_index - 1, [])
call add(l:command, call(l:Callback, [l:buffer, l:input]))
endif
let l:chain_index += 1
endfor
endif
else
let l:command = ale#linter#GetCommand(l:buffer, l:linter)
while ale#command#IsDeferred(l:command)
call ale#test#FlushJobs()
let l:command = l:command.value
endwhile
endif
if type(l:command) is v:t_string
" Replace %e with the escaped executable, so tests keep passing after
" linters are changed to use %e.
let l:command = substitute(l:command, '%e', '\=ale#Escape(l:executable)', 'g')
elseif type(l:command) is v:t_list
call map(l:command, 'substitute(v:val, ''%e'', ''\=ale#Escape(l:executable)'', ''g'')')
endif
AssertEqual
\ [a:expected_executable, a:expected_command],
\ [l:executable, l:command]
endfunction
function! ale#assert#LinterNotExecuted() abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:executable = ale#linter#GetExecutable(l:buffer, l:linter)
Assert empty(l:executable), "The linter will be executed when it shouldn't be"
endfunction
function! ale#assert#LSPOptions(expected_options) abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:initialization_options = ale#lsp_linter#GetOptions(l:buffer, l:linter)
AssertEqual a:expected_options, l:initialization_options
endfunction
function! ale#assert#LSPConfig(expected_config) abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:config = ale#lsp_linter#GetConfig(l:buffer, l:linter)
AssertEqual a:expected_config, l:config
endfunction
function! ale#assert#LSPLanguage(expected_language) abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:language = ale#util#GetFunction(l:linter.language_callback)(l:buffer)
AssertEqual a:expected_language, l:language
endfunction
function! ale#assert#LSPProject(expected_root) abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:root = ale#util#GetFunction(l:linter.project_root_callback)(l:buffer)
AssertEqual a:expected_root, l:root
endfunction
function! ale#assert#LSPProjectFull(expected_root) abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:root = ale#lsp_linter#FindProjectRoot(l:buffer, l:linter)
AssertEqual a:expected_root, l:root
endfunction
function! ale#assert#LSPAddress(expected_address) abort
let l:buffer = bufnr('')
let l:linter = s:GetLinter()
let l:address = ale#util#GetFunction(l:linter.address_callback)(l:buffer)
AssertEqual a:expected_address, l:address
endfunction
function! ale#assert#SetUpLinterTestCommands() abort
command! -nargs=+ WithChainResults :call ale#assert#WithChainResults(<args>)
command! -nargs=+ AssertLinter :call ale#assert#Linter(<args>)
command! -nargs=0 AssertLinterNotExecuted :call ale#assert#LinterNotExecuted()
command! -nargs=+ AssertLSPOptions :call ale#assert#LSPOptions(<args>)
command! -nargs=+ AssertLSPConfig :call ale#assert#LSPConfig(<args>)
command! -nargs=+ AssertLSPLanguage :call ale#assert#LSPLanguage(<args>)
command! -nargs=+ AssertLSPProject :call ale#assert#LSPProject(<args>)
command! -nargs=+ AssertLSPProjectFull :call ale#assert#LSPProjectFull(<args>)
command! -nargs=+ AssertLSPAddress :call ale#assert#LSPAddress(<args>)
endfunction
" A dummy function for making sure this module is loaded.
function! ale#assert#SetUpLinterTest(filetype, name) abort
" Set up a marker so ALE doesn't create real random temporary filenames.
let g:ale_create_dummy_temporary_file = 1
" Remove current linters.
call ale#linter#Reset()
call ale#linter#PreventLoading(a:filetype)
let l:prefix = 'ale_' . a:filetype . '_' . a:name
let b:filter_expr = 'v:val[: len(l:prefix) - 1] is# l:prefix'
Save g:ale_c_build_dir
unlet! g:ale_c_build_dir
" Save and clear linter variables.
" We'll load the runtime file to reset them to defaults.
for l:key in filter(keys(g:), b:filter_expr)
execute 'Save g:' . l:key
unlet g:[l:key]
endfor
unlet! b:ale_c_build_dir
for l:key in filter(keys(b:), b:filter_expr)
unlet b:[l:key]
endfor
execute 'runtime ale_linters/' . a:filetype . '/' . a:name . '.vim'
if !exists('g:dir')
call ale#test#SetDirectory('/testplugin/test/command_callback')
endif
call ale#assert#SetUpLinterTestCommands()
endfunction
function! ale#assert#TearDownLinterTest() abort
unlet! g:ale_create_dummy_temporary_file
let s:chain_results = []
if exists(':WithChainResults')
delcommand WithChainResults
endif
if exists(':AssertLinter')
delcommand AssertLinter
endif
if exists(':AssertLinterNotExecuted')
delcommand AssertLinterNotExecuted
endif
if exists(':AssertLSPOptions')
delcommand AssertLSPOptions
endif
if exists(':AssertLSPConfig')
delcommand AssertLSPConfig
endif
if exists(':AssertLSPLanguage')
delcommand AssertLSPLanguage
endif
if exists(':AssertLSPProject')
delcommand AssertLSPProject
endif
if exists(':AssertLSPProjectFull')
delcommand AssertLSPProjectFull
endif
if exists(':AssertLSPAddress')
delcommand AssertLSPAddress
endif
if exists('g:dir')
call ale#test#RestoreDirectory()
endif
Restore
call ale#linter#Reset()
if exists('*ale#semver#ResetVersionCache')
call ale#semver#ResetVersionCache()
endif
endfunction
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