Run specs with ,t

.vimrc

" Run specs with ',t' via Gary Bernhardt
function! RunTests(filename)
  " Write the file and run tests for the given filename
  :w
  :silent !clear
  if match(a:filename, '\.feature$') != -1
    exec ":!script/features " . a:filename
  else
    if filereadable("script/test")
      exec ":!script/test " . a:filename
    elseif filereadable("Gemfile")
      exec ":!bundle exec rspec --color " . a:filename
    else
      exec ":!rspec --color " . a:filename
    end
  end
endfunction

function! SetTestFile()
  " Set the spec file that tests will be run for.
  let t:grb_test_file=@%
endfunction

function! RunTestFile(...)
  if a:0
    let command_suffix = a:1
  else
    let command_suffix = ""
  endif

  " Run the tests for the previously-marked file.
  let in_test_file = match(expand("%"), '\(.feature\|_spec.rb\)$') != -1
  if in_test_file
    call SetTestFile()
  elseif !exists("t:grb_test_file")
    return
  end
  call RunTests(t:grb_test_file . command_suffix)
endfunction

function! RunNearestTest()
  let spec_line_number = line('.')
  call RunTestFile(":" . spec_line_number . " -b")
endfunction

map <leader>t :call RunTestFile()<cr>
map <leader>T :call RunNearestTest()<cr>