Merge pull request #119 from mattn/testable

Testable

7 files changed, 497 insertions, 336 deletions

diff --git a/.github/workflows/linux_vim.yml b/.github/workflows/linux_vim.yml
new file mode 100644
index 0000000..8b0f4f2
--- /dev/null
+++ b/.github/workflows/linux_vim.yml
@@ -0,0 +1,46 @@
+name: linux_vim
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        name: [vim-v82-x64, vim-v81-x64]
+        include:
+          - name: vim-v82-x64
+            os: ubuntu-latest
+            vim_version: 8.2.0037
+            glibc_version: 2.15
+          - name: vim-v81-x64
+            os: ubuntu-latest
+            vim_version: 8.1.2414
+            glibc_version: 2.15
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: actions/checkout@v1
+      - name: Download vim
+        shell: bash
+        run: |
+          mkdir -p ~/vim/bin
+          curl -L https://github.com/vim/vim-appimage/releases/download/v${{matrix.vim_version}}/GVim-v${{matrix.vim_version}}.glibc${{matrix.glibc_version}}-x86_64.AppImage -o ~/vim/bin/vim
+          chmod u+x ~/vim/bin/vim
+      - name: Download test runner
+        shell: bash
+        run: git clone --depth 1 --branch v1.5.4 --single-branch https://github.com/thinca/vim-themis ~/themis
+      - name: Run tests
+        shell: bash
+        run: |
+          export PATH=~/vim/bin:$PATH
+          export PATH=~/themis/bin:$PATH
+          export THEMIS_VIM=vim
+          vim --version
+          themis --reporter spec
diff --git a/autoload/lsp_settings.vim b/autoload/lsp_settings.vim
index 0e11c0a..1596762 100644
--- a/autoload/lsp_settings.vim
+++ b/autoload/lsp_settings.vim
@@ -1,7 +1,88 @@
-let s:servers_dir = expand('<sfile>:h:h').'/servers'
-let s:installer_dir = expand('<sfile>:h:h').'/installer'
+let s:settings_dir = expand('<sfile>:h:h') . '/settings'
+let s:checkers_dir = expand('<sfile>:h:h') . '/checkers'
+let s:servers_dir = expand('<sfile>:h:h') . '/servers'
+let s:installer_dir = expand('<sfile>:h:h') . '/installer'
 let s:root_dir = expand('<sfile>:h:h')
 
+let s:settings = json_decode(join(readfile(expand('<sfile>:h:h') . '/settings.json'), "\n"))
+call remove(s:settings, '$schema')
+
+let s:ftmap = {}
+
+function! lsp_settings#servers_dir() abort
+  let l:path = fnamemodify(get(g:, 'lsp_settings_servers_dir', s:servers_dir), ':p')
+  if has('win32')
+     let l:path = substitute(l:path, '/', '\', 'g')
+  endif
+  return substitute(l:path, '[\/]$', '', '')
+endfunction
+
+function! lsp_settings#executable(cmd) abort
+  if executable(a:cmd)
+    return 1
+  endif
+  let l:paths = get(g:, 'lsp_settings_extra_paths', '')
+  if type(l:paths) == type([])
+    let l:paths = join(l:paths, ',')
+  endif
+  let l:paths .= ',' . lsp_settings#servers_dir() . '/' . a:cmd
+  if !has('win32')
+    let l:found = globpath(l:paths, a:cmd)
+    return !empty(l:found)
+  endif
+  for l:ext in ['.exe', '.cmd', '.bat']
+    if !empty(globpath(l:paths, a:cmd . l:ext))
+      return 1
+    endif
+  endfor
+  return 0
+endfunction
+
+function! s:vim_lsp_installer(ft, ...) abort
+  let l:ft = tolower(get(split(a:ft, '\.'), 0, ''))
+  let l:ft = empty(l:ft) ? '_' : l:ft
+  if !has_key(s:settings, l:ft)
+    return []
+  endif
+  let l:server = s:settings[l:ft]
+  if empty(l:server)
+    return []
+  endif
+  let l:found = {}
+  for l:conf in l:server
+    let l:missing = 0
+    for l:require in l:conf.requires
+      if !lsp_settings#executable(l:require)
+        let l:missing = 1
+        break
+      endif
+    endfor
+    if l:missing ==# 0
+      let l:found = l:conf
+      break
+    endif
+  endfor
+  if empty(l:found)
+    return []
+  endif
+  let l:name = get(a:000, 0, '')
+  for l:conf in l:server
+    if !empty(l:name) && l:conf.command != l:name
+      continue
+    endif
+    let l:command = printf('%s/install-%s', s:installer_dir, l:conf.command)
+    if has('win32')
+      let l:command = substitute(l:command, '/', '\', 'g') . '.cmd'
+    else
+      let l:command = l:command . '.sh'
+    endif
+    if lsp_settings#executable(l:command)
+      return [l:conf.command, l:command]
+    endif
+  endfor
+  return []
+endfunction
+
 function! lsp_settings#get(name, key, default) abort
   let l:config = get(g:, 'lsp_settings', {})
   if !has_key(l:config, a:name)
@@ -24,13 +105,6 @@ function! lsp_settings#get(name, key, default) abort
   return l:config[a:key]
 endfunction
 
-function! s:first_one(cmd) abort
-  if empty(a:cmd)
-    return ''
-  endif
-  return fnamemodify(split(a:cmd, "\n")[0], ':p')
-endfunction
-
 function! lsp_settings#exec_path(cmd) abort
   let l:paths = []
   if has('win32')
@@ -48,13 +122,13 @@ function! lsp_settings#exec_path(cmd) abort
   let l:path = globpath(l:paths, a:cmd)
   if !has('win32')
     if !empty(l:path)
-      return s:first_one(l:path)
+      return lsp_settings#utils#first_one(l:path)
     endif
   else
     for l:ext in ['.exe', '.cmd', '.bat']
       let l:path = globpath(l:paths, a:cmd . l:ext)
       if !empty(l:path)
-        return s:first_one(l:path)
+        return lsp_settings#utils#first_one(l:path)
       endif
     endfor
   endif
@@ -63,15 +137,14 @@ function! lsp_settings#exec_path(cmd) abort
   if type(l:paths) == type([])
     let l:paths = join(l:paths, ',') . ','
   endif
-  let l:servers_dir = get(g:, 'lsp_settings_servers_dir', s:servers_dir)
-  let l:paths .= l:servers_dir . '/' . a:cmd
+  let l:paths .= lsp_settings#servers_dir() . '/' . a:cmd
   if !has('win32')
-    return s:first_one(globpath(l:paths, a:cmd))
+    return lsp_settings#utils#first_one(globpath(l:paths, a:cmd))
   endif
   for l:ext in ['.exe', '.cmd', '.bat']
     let l:path = globpath(l:paths, a:cmd . l:ext)
     if !empty(l:path)
-      return s:first_one(l:path)
+      return lsp_settings#utils#first_one(l:path)
     endif
   endfor
   return ''
@@ -101,14 +174,10 @@ function! lsp_settings#autocd(server_info) abort
 endfunction
 
 function! lsp_settings#complete_uninstall(arglead, cmdline, cursorpos) abort
-  let l:settings = json_decode(join(readfile(s:root_dir . '/settings.json'), "\n"))
-  call remove(l:settings, '$schema')
-
-  let l:servers_dir = get(g:, 'lsp_settings_servers_dir', s:servers_dir)
   let l:installers = []
-  for l:ft in keys(l:settings)
-    for l:conf in l:settings[l:ft]
-      if !isdirectory(l:servers_dir . '/' . l:conf.command)
+  for l:ft in keys(s:settings)
+    for l:conf in s:settings[l:ft]
+      if !isdirectory(lsp_settings#servers_dir() . '/' . l:conf.command)
         continue
       endif
       call add(l:installers, l:conf.command)
@@ -118,15 +187,12 @@ function! lsp_settings#complete_uninstall(arglead, cmdline, cursorpos) abort
 endfunction
 
 function! lsp_settings#complete_install(arglead, cmdline, cursorpos) abort
-  let l:settings = json_decode(join(readfile(s:root_dir . '/settings.json'), "\n"))
-  call remove(l:settings, '$schema')
-
   let l:ft = tolower(get(split(&filetype, '\.'), 0, ''))
   let l:ft = empty(l:ft) ? '_' : l:ft
-  if !has_key(l:settings, l:ft)
+  if !has_key(s:settings, l:ft)
     return []
   endif
-  let l:server = l:settings[l:ft]
+  let l:server = s:settings[l:ft]
   if empty(l:server)
     return []
   endif
@@ -154,3 +220,198 @@ function! lsp_settings#complete_install(arglead, cmdline, cursorpos) abort
   endfor
   return filter(uniq(l:installers), 'stridx(v:val, a:arglead) == 0')
 endfunction
+
+function! s:vim_lsp_uninstall_server(command) abort
+  if !lsp_settings#utils#valid_name(a:command)
+    call lsp_settings#utils#error('Invalid server name')
+    return
+  endif
+  call lsp_settings#utils#msg('Uninstalling ' . a:command)
+  let l:server_install_dir = lsp_settings#servers_dir() . '/' . a:command
+  if !isdirectory(l:server_install_dir)
+    call lsp_settings#utils#error('Server not found')
+    return
+  endif
+  call delete(l:server_install_dir, 'rf')
+  call lsp_settings#utils#msg('Uninstalled ' . a:command)
+endfunction
+
+" neovim passes third argument as 'exit' while vim passes only 2 arguments
+function! s:vim_lsp_install_server_post(command, job, code, ...) abort
+  if a:code != 0
+    return
+  endif
+  if lsp_settings#executable(a:command)
+    let l:script = printf('%s/%s.vim', s:settings_dir, a:command)
+    if filereadable(l:script)
+      if has('patch-8.1.1113')
+        command! -nargs=1 LspRegisterServer autocmd User lsp_setup ++once call lsp#register_server(<args>)
+      else
+        command! -nargs=1 LspRegisterServer autocmd User lsp_setup call lsp#register_server(<args>)
+      endif
+      exe 'source' l:script
+      delcommand LspRegisterServer
+      doautocmd User lsp_setup
+    endif
+  endif
+  call lsp_settings#utils#msg('Installed ' . a:command)
+endfunction
+
+function! s:vim_lsp_install_server(ft, command) abort
+  if !empty(a:command) && !lsp_settings#utils#valid_name(a:command)
+    call lsp_settings#utils#error('Invalid server name')
+    return
+  endif
+  let l:entry = s:vim_lsp_installer(a:ft, a:command)
+  if empty(l:entry)
+    call lsp_settings#utils#error('Server not found')
+    return
+  endif
+  let l:server_install_dir = lsp_settings#servers_dir() . '/' . l:entry[0]
+  if isdirectory(l:server_install_dir)
+    call delete(l:server_install_dir, 'rf')
+  endif
+  call mkdir(l:server_install_dir, 'p')
+  call lsp_settings#utils#msg('Installing ' . l:entry[0])
+  if has('nvim')
+    split new
+    call termopen(l:entry[1], {'cwd': l:server_install_dir, 'on_exit': function('s:vim_lsp_install_server_post', [l:entry[0]])}) | startinsert
+  else
+    let l:bufnr = term_start(l:entry[1], {'cwd': l:server_install_dir})
+    let l:job = term_getjob(l:bufnr)
+    if l:job != v:null
+      call job_setoptions(l:job, {'exit_cb': function('s:vim_lsp_install_server_post', [l:entry[0]])})
+    endif
+  endif
+endfunction
+
+function! s:vim_lsp_settings_suggest(ft) abort
+  let l:entry = s:vim_lsp_installer(a:ft)
+  if empty(l:entry)
+    return
+  endif
+  if exists(':LspInstallServer') !=# 2
+    redraw!
+    echohl Directory
+    echomsg 'Please do :LspInstallServer to enable Language Server ' . l:entry[0]
+    echohl None
+    command! -nargs=? -buffer -complete=customlist,lsp_settings#complete_install LspInstallServer call s:vim_lsp_install_server(&l:filetype, <q-args>)
+  endif
+endfunction
+
+function! s:vim_lsp_suggest_plugin() abort
+  if &ft != ''
+    return
+  endif
+  let l:ext = expand('%:e')
+  for l:ft in keys(s:settings)
+    for l:server in s:settings[l:ft]
+      if !has_key(l:server, 'vim-plugin')
+        continue
+      endif
+      if index(l:server['vim-plugin']['extensions'], l:ext) == -1
+        continue
+      endif
+      redraw
+      echohl Directory
+      echomsg printf('Please install vim-plugin "%s" to enable Language Server', l:server['vim-plugin']['name'])
+      echohl None
+      return
+    endfor
+  endfor
+endfunction
+
+function! s:vim_lsp_load_or_suggest(ft) abort
+  if get(s:ftmap, a:ft, 0)
+    return
+  endif
+  let l:group_name = lsp_settings#utils#group_name(a:ft)
+  exe 'augroup' l:group_name
+    autocmd!
+  augroup END
+  exe 'augroup!' l:group_name
+
+  if has('patch-8.1.1113')
+    command! -nargs=1 LspRegisterServer autocmd User lsp_setup ++once call lsp#register_server(<args>)
+  else
+    command! -nargs=1 LspRegisterServer autocmd User lsp_setup call lsp#register_server(<args>)
+  endif
+
+  let l:found = 0
+  let l:disabled = 0
+
+  for l:server in s:settings[a:ft]
+    if lsp_settings#get(l:server.command, 'disabled', get(l:server, 'disabled', 0))
+      let l:disabled += 1
+      continue
+    endif
+    let l:default = get(g:, 'lsp_settings_' . a:ft, '')
+    if !empty(l:default) && l:default != l:server.command
+      continue
+    endif
+    let l:command = lsp_settings#get(l:server.command, 'cmd', l:server.command)
+    if type(l:command) == type([])
+      let l:command = l:command[0]
+    endif
+    if !lsp_settings#executable(l:command)
+      let l:script = printf('%s/%s.vim', s:checkers_dir, l:server.command)
+      if !filereadable(l:script) || has_key(l:server, 'fallback')
+        continue
+      endif
+      let l:server['fallback'] = ''
+      try
+        exe 'source' l:script
+        let l:command = LspCheckCommand()
+        let l:server['fallback'] = l:command
+      catch
+      finally
+        if exists('*LspCheckCommand')
+          delfunction LspCheckCommand
+        endif
+        if empty(l:server['fallback'])
+          continue
+        endif
+      endtry
+    endif
+    let l:script = printf('%s/%s.vim', s:settings_dir, l:server.command)
+    if filereadable(l:script)
+      exe 'source' l:script
+      let l:found += 1
+      let s:ftmap[a:ft] = 1
+      break
+    endif
+  endfor
+
+  if l:disabled == 0 && l:found ==# 0
+    call s:vim_lsp_settings_suggest(a:ft)
+  else
+    doautocmd User lsp_setup
+    if exists(':LspInstallServer') !=# 2
+      command! -nargs=? -buffer -complete=customlist,lsp_settings#complete_install LspInstallServer call s:vim_lsp_install_server(&l:filetype, <q-args>)
+    endif
+  endif
+
+  if exists(':LspRegisterServer') !=# 2
+    delcommand LspRegisterServer
+  endif
+endfunction
+
+function! lsp_settings#init() abort
+  for l:ft in keys(s:settings)
+    if has_key(g:, 'lsp_settings_whitelist') && index(g:lsp_settings_whitelist, l:ft) == -1 || empty(s:settings[l:ft])
+      continue
+    endif
+    exe 'augroup' lsp_settings#utils#group_name(l:ft)
+      autocmd!
+      exe 'autocmd FileType' l:ft 'call s:vim_lsp_load_or_suggest(' string(l:ft) ')'
+    augroup END
+  endfor
+  augroup vim_lsp_suggest
+    autocmd!
+    autocmd BufNewFile,BufRead * call s:vim_lsp_suggest_plugin()
+    autocmd VimEnter * call s:vim_lsp_load_or_suggest('_')
+  augroup END
+  command! -nargs=? -complete=customlist,lsp_settings#complete_uninstall LspUninstallServer call s:vim_lsp_uninstall_server(<q-args>)
+  call s:vim_lsp_load_or_suggest('_')
+
+endfunction
diff --git a/autoload/lsp_settings/utils.vim b/autoload/lsp_settings/utils.vim
new file mode 100644
index 0000000..96feb0a
--- /dev/null
+++ b/autoload/lsp_settings/utils.vim
@@ -0,0 +1,32 @@
+function! lsp_settings#utils#msg(msg) abort
+  redraw
+  echohl Comment
+  echo a:msg
+  echohl None
+endfunction
+
+function! lsp_settings#utils#error(msg) abort
+  redraw
+  echohl Error
+  echomsg a:msg
+  echohl None
+endfunction
+
+function! lsp_settings#utils#valid_name(command) abort
+  return a:command =~# '^[a-zA-Z0-9_-]\+$'
+endfunction
+
+function! lsp_settings#utils#group_name(ft) abort
+  return printf('vim_lsp_suggest_%s', a:ft)
+endfunction
+
+function! lsp_settings#utils#first_one(lines) abort
+  if empty(a:lines)
+    return ''
+  endif
+  let l:path = fnamemodify(split(a:lines, "\n")[0], ':p')
+  if has('win32')
+     let l:path = substitute(l:path, '/', '\', 'g')
+  endif
+  return l:path
+endfunction
diff --git a/plugin/lsp_settings.vim b/plugin/lsp_settings.vim
index bf37a82..7b89ee0 100644
--- a/plugin/lsp_settings.vim
+++ b/plugin/lsp_settings.vim
@@ -10,312 +10,4 @@ let g:lsp_settings_root_markers = get(g:, 'lsp_settings_root_markers', [
       \ '.bzr/'
       \ ])
 
-let s:settings_dir = expand('<sfile>:h:h').'/settings'
-let s:checkers_dir = expand('<sfile>:h:h').'/checkers'
-let s:installer_dir = expand('<sfile>:h:h').'/installer'
-let s:servers_dir = expand('<sfile>:h:h').'/servers'
-let s:settings = json_decode(join(readfile(expand('<sfile>:h:h') . '/settings.json'), "\n"))
-let s:ftmap = {}
-
-call remove(s:settings, '$schema')
-
-function! s:executable(cmd) abort
-  if executable(a:cmd)
-    return 1
-  endif
-  let l:paths = get(g:, 'lsp_settings_extra_paths', '')
-  if type(l:paths) == type([])
-    let l:paths = join(l:paths, ',')
-  endif
-  let l:servers_dir = get(g:, 'lsp_settings_servers_dir', s:servers_dir)
-  let l:paths .= ',' . l:servers_dir . '/' . a:cmd
-  if !has('win32')
-    let l:found = globpath(l:paths, a:cmd)
-    return !empty(l:found)
-  endif
-  for l:ext in ['.exe', '.cmd', '.bat']
-    if !empty(globpath(l:paths, a:cmd . l:ext))
-      return 1
-    endif
-  endfor
-  return 0
-endfunction
-
-function! s:vim_lsp_installer(ft, ...) abort
-  let l:ft = tolower(get(split(a:ft, '\.'), 0, ''))
-  let l:ft = empty(l:ft) ? '_' : l:ft
-  if !has_key(s:settings, l:ft)
-    return []
-  endif
-  let l:server = s:settings[l:ft]
-  if empty(l:server)
-    return []
-  endif
-  let l:found = {}
-  for l:conf in l:server
-    let l:missing = 0
-    for l:require in l:conf.requires
-      if !s:executable(l:require)
-        let l:missing = 1
-        break
-      endif
-    endfor
-    if l:missing ==# 0
-      let l:found = l:conf
-      break
-    endif
-  endfor
-  if empty(l:found)
-    return []
-  endif
-  let l:name = get(a:000, 0, '')
-  for l:conf in l:server
-    if !empty(l:name) && l:conf.command != l:name
-      continue
-    endif
-    let l:command = printf('%s/install-%s', s:installer_dir, l:conf.command)
-    if has('win32')
-      let l:command = substitute(l:command, '/', '\', 'g') . '.cmd'
-    else
-      let l:command = l:command . '.sh'
-    endif
-    if s:executable(l:command)
-      return [l:conf.command, l:command]
-    endif
-  endfor
-  return []
-endfunction
-
-function! s:msg(msg) abort
-  redraw
-  echohl Comment
-  echo a:msg
-  echohl None
-endfunction
-
-function! s:error(msg) abort
-  echohl Error
-  echomsg a:msg
-  echohl None
-endfunction
-
-function! s:valid_name(command) abort
-  return a:command =~# '^[a-zA-Z0-9_-]\+$'
-endfunction
-
-function! s:vim_lsp_uninstall_server(command) abort
-  if !s:valid_name(a:command)
-    call s:error('invalid server name')
-    return
-  endif
-  call s:msg('Uninstalling ' . a:command)
-  let l:servers_dir = get(g:, 'lsp_settings_servers_dir', s:servers_dir)
-  let l:server_install_dir = l:servers_dir . '/' . a:command
-  if !isdirectory(l:server_install_dir)
-    call s:error('server not found')
-    return
-  endif
-  call delete(l:server_install_dir, 'rf')
-  call s:msg('Uninstalled ' . a:command)
-endfunction
-
-" neovim passes third argument as 'exit' while vim passes only 2 arguments
-function! s:vim_lsp_install_server_post(command, job, code, ...) abort
-  if a:code != 0
-    return
-  endif
-  if s:executable(a:command)
-    let l:script = printf('%s/%s.vim', s:settings_dir, a:command)
-    if filereadable(l:script)
-      if has('patch-8.1.1113')
-        command! -nargs=1 LspRegisterServer autocmd User lsp_setup ++once call lsp#register_server(<args>)
-      else
-        command! -nargs=1 LspRegisterServer autocmd User lsp_setup call lsp#register_server(<args>)
-      endif
-      exe 'source' l:script
-      delcommand LspRegisterServer
-      doautocmd User lsp_setup
-    endif
-  endif
-  call s:msg('Installed ' . a:command)
-endfunction
-
-function! s:vim_lsp_install_server(ft, command) abort
-  if !empty(a:command) && !s:valid_name(a:command)
-    call s:error('invalid server name')
-    return
-  endif
-  let l:entry = s:vim_lsp_installer(a:ft, a:command)
-  if empty(l:entry)
-    call s:error('server not found')
-    return
-  endif
-  let l:servers_dir = get(g:, 'lsp_settings_servers_dir', s:servers_dir)
-  let l:server_install_dir = l:servers_dir . '/' . l:entry[0]
-  if isdirectory(l:server_install_dir)
-    call delete(l:server_install_dir, 'rf')
-  endif
-  call mkdir(l:server_install_dir, 'p')
-  call s:msg('Installing ' . l:entry[0])
-  if has('nvim')
-    split new
-    call termopen(l:entry[1], {'cwd': l:server_install_dir, 'on_exit': function('s:vim_lsp_install_server_post', [l:entry[0]])}) | startinsert
-  else
-    let l:bufnr = term_start(l:entry[1], {'cwd': l:server_install_dir})
-    let l:job = term_getjob(l:bufnr)
-    if l:job != v:null
-      call job_setoptions(l:job, {'exit_cb': function('s:vim_lsp_install_server_post', [l:entry[0]])})
-    endif
-  endif
-endfunction
-
-function! s:vim_lsp_settings_suggest(ft) abort
-  let l:entry = s:vim_lsp_installer(a:ft)
-  if empty(l:entry)
-    return
-  endif
-  if exists(':LspInstallServer') !=# 2
-    redraw!
-    echohl Directory
-    echomsg 'Please do :LspInstallServer to enable Language Server ' . l:entry[0]
-    echohl None
-    command! -nargs=? -buffer -complete=customlist,lsp_settings#complete_install LspInstallServer call s:vim_lsp_install_server(&l:filetype, <q-args>)
-  endif
-endfunction
-
-function! s:vim_lsp_settings_get(name, key, default) abort
-  let l:config = get(g:, 'lsp_settings', {})
-  if !has_key(l:config, a:name)
-    if !has_key(l:config, '*')
-      return a:default
-    endif
-    let l:config = l:config['*']
-  else
-    let l:config = l:config[a:name]
-  endif
-  if !has_key(l:config, a:key)
-    return a:default
-  endif
-  return l:config[a:key]
-endfunction
-
-function! s:vim_lsp_settings() abort
-  for l:ft in keys(s:settings)
-    if has_key(g:, 'lsp_settings_whitelist') && index(g:lsp_settings_whitelist, l:ft) == -1 || empty(s:settings[l:ft])
-      continue
-    endif
-    exe 'augroup' s:load_or_suggest_group_name(l:ft)
-      autocmd!
-      exe 'autocmd FileType' l:ft 'call s:vim_lsp_load_or_suggest(' string(l:ft) ')'
-    augroup END
-  endfor
-  augroup vim_lsp_suggest
-    autocmd!
-    autocmd BufNewFile,BufRead * call s:vim_lsp_suggest_plugin()
-    call s:vim_lsp_load_or_suggest('_')
-  augroup END
-  command! -nargs=? -complete=customlist,lsp_settings#complete_uninstall LspUninstallServer call s:vim_lsp_uninstall_server(<q-args>)
-endfunction
-
-function! s:vim_lsp_suggest_plugin() abort
-  if &ft != ''
-    return
-  endif
-  let l:ext = expand('%:e')
-  for l:ft in keys(s:settings)
-    for l:server in s:settings[l:ft]
-      if !has_key(l:server, 'vim-plugin')
-        continue
-      endif
-      if index(l:server['vim-plugin']['extensions'], l:ext) == -1
-        continue
-      endif
-      redraw
-      echohl Directory
-      echomsg printf('Please install vim-plugin "%s" to enable Language Server', l:server['vim-plugin']['name'])
-      echohl None
-      return
-    endfor
-  endfor
-endfunction
-
-function! s:vim_lsp_load_or_suggest(ft) abort
-  if get(s:ftmap, a:ft, 0)
-    return
-  endif
-  let l:group_name = s:load_or_suggest_group_name(a:ft)
-  exe 'augroup' l:group_name
-    autocmd!
-  augroup END
-  exe 'augroup!' l:group_name
-
-  if has('patch-8.1.1113')
-    command! -nargs=1 LspRegisterServer autocmd User lsp_setup ++once call lsp#register_server(<args>)
-  else
-    command! -nargs=1 LspRegisterServer autocmd User lsp_setup call lsp#register_server(<args>)
-  endif
-
-  let l:found = 0
-  let l:disabled = 0
-
-  for l:server in s:settings[a:ft]
-    if s:vim_lsp_settings_get(l:server.command, 'disabled', get(l:server, 'disabled', 0))
-      let l:disabled += 1
-      continue
-    endif
-    let l:default = get(g:, 'lsp_settings_' . a:ft, '')
-    if !empty(l:default) && l:default != l:server.command
-      continue
-    endif
-    let l:command = s:vim_lsp_settings_get(l:server.command, 'cmd', l:server.command)
-    if type(l:command) == type([])
-      let l:command = l:command[0]
-    endif
-    if !s:executable(l:command)
-      let l:script = printf('%s/%s.vim', s:checkers_dir, l:server.command)
-      if !filereadable(l:script) || has_key(l:server, 'fallback')
-        continue
-      endif
-      let l:server['fallback'] = ''
-      try
-        exe 'source' l:script
-        let l:command = LspCheckCommand()
-        let l:server['fallback'] = l:command
-      catch
-      finally
-        if exists('*LspCheckCommand')
-          delfunction LspCheckCommand
-        endif
-        if empty(l:server['fallback'])
-          continue
-        endif
-      endtry
-    endif
-    let l:script = printf('%s/%s.vim', s:settings_dir, l:server.command)
-    if filereadable(l:script)
-      exe 'source' l:script
-      let l:found += 1
-      let s:ftmap[a:ft] = 1
-      break
-    endif
-  endfor
-
-  if l:disabled == 0 && l:found ==# 0
-    call s:vim_lsp_settings_suggest(a:ft)
-  else
-    doautocmd User lsp_setup
-    if exists(':LspInstallServer') !=# 2
-      command! -nargs=? -buffer -complete=customlist,lsp_settings#complete_install LspInstallServer call s:vim_lsp_install_server(&l:filetype, <q-args>)
-    endif
-  endif
-
-  if exists(':LspRegisterServer') !=# 2
-    delcommand LspRegisterServer
-  endif
-endfunction
-
-function! s:load_or_suggest_group_name(ft) abort
-  return printf('vim_lsp_suggest_%s', a:ft)
-endfunction
-
-call s:vim_lsp_settings()
+call lsp_settings#init()
diff --git a/test/.themisrc b/test/.themisrc
new file mode 100644
index 0000000..d73cbf9
--- /dev/null
+++ b/test/.themisrc
@@ -0,0 +1,3 @@
+set encoding=utf-8
+call themis#option('recursive', 1)
+call themis#helper('command').with(themis#helper('assert'))
diff --git a/test/lsp_settings.vimspec b/test/lsp_settings.vimspec
new file mode 100644
index 0000000..30995f6
--- /dev/null
+++ b/test/lsp_settings.vimspec
@@ -0,0 +1,84 @@
+Describe lsp_settings
+    Describe lsp_settings#get
+        It should return configuration value from key and name
+            Assert Equals(lsp_settings#get('pyls', 'cmd', 'bad'), 'bad')
+            let g:lsp_settings = {'pyls': {'cmd': 'good'}}
+            Assert Equals(lsp_settings#get('pyls', 'cmd', 'bad'), 'good')
+            unlet g:lsp_settings
+        End
+
+        It should return default value with lambda
+            Assert Equals(lsp_settings#get('pyls', 'cmd', {key, name-> 'good'}), 'good')
+        End
+    End
+
+    Describe lsp_settings#executable
+        It should return command is executable in $PATH
+            if has('win32')
+                Assert Equals(lsp_settings#executable('cmd'), 1)
+            else
+                Assert Equals(lsp_settings#executable('sh'), 1)
+			endif
+            Assert Equals(lsp_settings#executable('unknown-command'), 0)
+        End
+
+        It should return 0 when command is not in server/foo-bar/foo-bar
+			let l:servers_dir = lsp_settings#servers_dir()
+
+            try
+                call delete(l:servers_dir . '/foo-bar', 'rf')
+                call mkdir(l:servers_dir . '/foo-bar', 'p')
+                Assert Equals(lsp_settings#executable('foo-bar'), 0)
+            finally
+                call delete(l:servers_dir . '/foo-bar', 'rf')
+            endtry
+        End
+
+        It should return 1 when command is executable in server/foo-bar/foo-bar
+			let l:servers_dir = lsp_settings#servers_dir()
+
+            try
+                call delete(l:servers_dir . '/foo-bar', 'rf')
+                call mkdir(l:servers_dir . '/foo-bar', 'p')
+                if has('win32')
+                    call writefile(['@echo off', 'echo foo-bar'], l:servers_dir . '/foo-bar/foo-bar.cmd')
+                else
+                    call writefile(['#!/bin/sh', 'echo foo-bar'], l:servers_dir . '/foo-bar/foo-bar')
+                    call setfperm(l:servers_dir . '/foo-bar/foo-bar', 'rwxr-xr-x')
+                endif
+                Assert Equals(lsp_settings#executable('foo-bar'), 1)
+            finally
+                call delete(l:servers_dir . '/foo-bar', 'rf')
+            endtry
+        End
+    End
+
+    Describe lsp_settings#exec_path
+        It should return full-path to the command
+            if has('win32')
+                Assert Equals(empty(lsp_settings#exec_path('cmd')), 0)
+            else
+                Assert Equals(empty(lsp_settings#exec_path('sh')), 0)
+			endif
+        End
+
+        It should return 1 when command is executable in server/foo-bar/foo-bar
+			let l:servers_dir = lsp_settings#servers_dir()
+
+            try
+                call delete(l:servers_dir . '/foo-bar', 'rf')
+                call mkdir(l:servers_dir . '/foo-bar', 'p')
+                if has('win32')
+                    call writefile(['@echo off', 'echo foo-bar'], l:servers_dir . '/foo-bar/foo-bar.cmd')
+                    Assert Equals(lsp_settings#exec_path('foo-bar'), l:servers_dir . '\foo-bar\foo-bar.cmd')
+                else
+                    call writefile(['#!/bin/sh', 'echo foo-bar'], l:servers_dir . '/foo-bar/foo-bar')
+                    call setfperm(l:servers_dir . '/foo-bar/foo-bar', 'rwxr-xr-x')
+                    Assert Equals(lsp_settings#exec_path('foo-bar'), l:servers_dir . '/foo-bar/foo-bar')
+                endif
+            finally
+                call delete(l:servers_dir . '/foo-bar', 'rf')
+            endtry
+        End
+    End
+End
diff --git a/test/lsp_settings/utils.vimspec b/test/lsp_settings/utils.vimspec
new file mode 100644
index 0000000..ee94ccc
--- /dev/null
+++ b/test/lsp_settings/utils.vimspec
@@ -0,0 +1,43 @@
+Describe lsp_settings#utils
+    Describe lsp_settings#utils#first_one
+        It should return first item in lines
+            Assert Equals(lsp_settings#utils#first_one("\nfoo"), fnamemodify('foo', ':p'))
+            Assert Equals(lsp_settings#utils#first_one('foo'), fnamemodify('foo', ':p'))
+            Assert Equals(lsp_settings#utils#first_one("foo\nbar\n"), fnamemodify('foo', ':p'))
+        End
+    End
+
+    Describe lsp_settings#utils#group_name
+        It should return autocmd group name
+            Assert Equals(lsp_settings#utils#group_name('foo'), 'vim_lsp_suggest_foo')
+        End
+    End
+
+    Describe lsp_settings#utils#valid_name
+        It should return whether the command is valid
+            Assert Equals(lsp_settings#utils#valid_name('foo'), 1)
+            Assert Equals(lsp_settings#utils#valid_name('foo bar'), 0)
+            Assert Equals(lsp_settings#utils#valid_name(' foo'), 0)
+            Assert Equals(lsp_settings#utils#valid_name(' foo '), 0)
+            Assert Equals(lsp_settings#utils#valid_name('foo '), 0)
+            Assert Equals(lsp_settings#utils#valid_name('foo-bar'), 1)
+            Assert Equals(lsp_settings#utils#valid_name('foo_bar'), 1)
+            Assert Equals(lsp_settings#utils#valid_name('foo&bar'), 0)
+            Assert Equals(lsp_settings#utils#valid_name('foo#bar'), 0)
+        End
+    End
+
+    Describe lsp_settings#utils#msg
+        It should display information
+            Assert Equals(execute("call lsp_settings#utils#msg('foo')"), "\nfoo")
+            Assert Equals(execute("call lsp_settings#utils#msg('foo')"), "\nfoo")
+        End
+    End
+
+    Describe lsp_settings#utils#error
+        It should display information
+            Assert Equals(execute("call lsp_settings#utils#error('foo')"), "\nfoo")
+            Assert Equals(execute("call lsp_settings#utils#error('foo')"), "\nfoo")
+        End
+    End
+End