coverage.vim

"hi HitLine ctermbg=Cyan guibg=Cyan
"hi MissLine ctermbg=Magenta guibg=Magenta
hi HitSign ctermfg=Green cterm=bold gui=bold guifg=Green
hi MissSign ctermfg=Red cterm=bold gui=bold guifg=Red

sign define hit  linehl=HitLine  texthl=HitSign  text=>>
sign define miss linehl=MissLine texthl=MissSign text=:(

"Generated by simplecov-vim
let s:coverage = {'flue.rb': [[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13],[]], 'flue/basefile.rb': [[1, 2, 4, 5, 6, 8, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 29, 30, 33, 34, 37, 38, 41, 42, 45, 46, 47, 51, 52, 53, 56, 57, 60, 61, 64, 66, 69, 71, 73, 74],[]], 'flue/benchmark.rb': [[1, 3, 4, 5, 6, 7, 8, 10, 11, 13],[]], 'flue/filter_register.rb': [[1, 2, 4, 5, 8, 9, 12, 13, 14, 15, 16, 21, 22, 23, 24, 27, 28, 29, 30, 31, 34, 35, 36, 37, 40],[]], 'flue/filters/code.rb': [[1, 2, 4, 5, 6, 7, 8, 9, 10, 12],[]], 'flue/filters/coffee_script.rb': [[1, 3, 4, 5, 6, 7, 8, 10, 12],[]], 'flue/filters/emoji.rb': [[1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 13],[]], 'flue/filters/erb.rb': [[1, 3, 4, 5, 6, 8, 9, 10, 11, 14, 17, 18, 19, 20],[]], 'flue/filters/markdown.rb': [[1, 3, 4, 5, 6, 7, 8, 10],[]], 'flue/filters/sass.rb': [[1, 3, 4, 5, 6, 7, 8, 10, 12, 13],[]], 'flue/filters/textile.rb': [[1, 3, 4, 5, 6],[]], 'flue/init.rb': [[1, 2, 3, 4, 5, 6, 7, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19],[]], 'flue/logger.rb': [[1, 3, 4, 5, 7, 8, 11, 12, 15, 16, 17, 20, 21],[]], 'flue/metadata.rb': [[1, 3, 4, 5, 7, 8, 11, 12],[13, 14, 15]], 'flue/middleware.rb': [[1, 3, 4, 5, 7, 8, 9, 10, 13, 14, 15, 16, 19, 20, 21, 24, 25, 26],[]], 'flue/partial_file.rb': [[1, 3, 4, 5, 6, 7, 9, 10, 13, 14, 17, 18],[]], 'flue/renderer.rb': [[1, 2, 4, 5, 6, 7, 9, 11, 12, 13, 14, 15, 18, 19, 22, 23, 24, 28, 29, 30, 34, 35, 36, 37, 38, 41],[]], 'flue/runner.rb': [[1, 3, 4, 5, 7, 8, 13, 14, 15, 16, 22, 23],[9, 10, 17, 18, 19, 24, 25]], 'flue/server.rb': [[1, 2, 4, 5, 6, 8, 13],[9, 10, 14, 15, 16, 17]], 'flue/watcher.rb': [[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 16, 20, 21, 24, 25, 28, 29, 30, 31],[]],  }

let s:generatedTime = 1382482226

function! BestCoverage(coverageForName)
  let matchBadness = strlen(a:coverageForName)
  for filename in keys(s:coverage)
    let matchQuality = match(a:coverageForName, filename . "$")
    if (matchQuality >= 0 && matchQuality < matchBadness)
      let found = filename
    endif
  endfor

  if exists("found")
    return s:coverage[found]
  else
    echom "No coverage recorded for " . a:coverageForName
    return [[],[]]
  endif
endfunction

let s:signs = {}
let s:signIndex = 1

function! s:CoverageSigns(filename)
  let [hits,misses] = BestCoverage(a:filename)

  if (getftime(a:filename) > s:generatedTime)
    echom "File is newer than coverage report which was generated at " . strftime("%c", s:generatedTime)
  endif

  if (! exists("s:signs['".a:filename."']"))
    let s:signs[a:filename] = []
  endif

  for hit in hits
    let id = s:signIndex
    let s:signIndex += 1
    let s:signs[a:filename] += [id]
    exe ":sign place ". id ." line=".hit." name=hit  file=" . a:filename
  endfor

  for miss in misses
    let id = s:signIndex
    let s:signIndex += 1
    let s:signs[a:filename] += [id]
    exe ":sign place ".id." line=".miss." name=miss file=" . a:filename
  endfor
endfunction

function! s:ClearCoverageSigns(filename)
  if(exists("s:signs['". a:filename."']"))
    for signId in s:signs[a:filename]
      exe ":sign unplace ".signId
    endfor
    let s:signs[a:filename] = []
  endif
endfunction

let s:filename = expand("<sfile>")
function! s:AutocommandUncov(sourced)
  if(a:sourced == s:filename)
    call s:ClearCoverageSigns(expand("%:p"))
  endif
endfunction

command! -nargs=0 Cov call s:CoverageSigns(expand("%:p"))
command! -nargs=0 Uncov call s:ClearCoverageSigns(expand("%:p"))

augroup SimpleCov
  au!
  exe "au SourcePre ".expand("<sfile>:t")." call s:AutocommandUncov(expand('<afile>:p'))"
augroup end

Cov