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" Vim functions to run RSpec and Cucumber on the current file and optionally on
" the spec/scenario under the cursor. Within the context of a Rails app, will
" prefer script/spec and script/cucumber over their system counterparts.
function! RailsScriptIfExists(name)
  " Bundle exec
  if isdirectory(".bundle") || (exists("b:rails_root") && isdirectory(b:rails_root . "/.bundle"))
    return "bundle exec " . a:name
  " Script directory
  elseif exists("b:rails_root") && filereadable(b:rails_root . "/script/" . a:name)
    return b:rails_root . "/script/" . a:name
  " System Binary
  else
    return a:name
  end
endfunction

function! RunSpec(args)
  let spec = RailsScriptIfExists("rspec")
  let cmd = spec . " " . a:args . " -fn -c " . @%
  execute ":! echo " . cmd . " && " . cmd
endfunction

function! RunCucumber(args)
  let cucumber = RailsScriptIfExists("cucumber")
  let cmd = cucumber . " " . @% . a:args
  execute ":! echo " . cmd . " && " . cmd
endfunction

function! RunTestFile(args)
  if @% =~ "\.feature$"
    call RunCucumber("" . a:args)
  elseif @% =~ "\.rb$"
    call RunSpec("" . a:args)
  end
endfunction

function! RunTest(args)
  if @% =~ "\.feature$"
    call RunCucumber(":" . line('.') . a:args)
  elseif @% =~ "\.rb$"
    call RunSpec("-l " . line('.') . a:args)
  end
endfunction
map !V :call RunTestFile("")
map !v :call RunTest("")