jasmine-headless-webkit/vendor/assets/coffeescripts/headless_reporter_result.coffee

# Try to get the line number of a failed spec
class window.HeadlessReporterResult
  constructor: (@name, @splitName) ->
    @results = []

  addResult: (message) ->
    @results.push(message)

  print: ->
    output = @name.foreground('red')
    bestChoice = HeadlessReporterResult.findSpecLine(@splitName)
    output += " (#{bestChoice.file}:#{bestChoice.lineNumber})".foreground('blue') if bestChoice.file

    JHW.stdout.puts "\n#{output}"
    for result in @results
      output = result.message.foreground('red')
      if result.lineNumber
        output += " (line ~#{bestChoice.lineNumber + result.lineNumber})".foreground('red').bright()
      JHW.stdout.puts("  " + output)

      if result.line?
        JHW.stdout.puts("    #{result.line}".foreground('yellow'))

  @findSpecLine: (splitName) ->
    bestChoice = { accuracy: 0, file: null, lineNumber: null }

    for file, lines of HeadlessReporterResult.specLineNumbers
      index = 0
      lineNumber = 0
      while newLineNumberInfo = lines[splitName[index]]
        if newLineNumberInfo.length == 0
          lineNumber = newLineNumberInfo[0]
        else
          lastLine = null
          for line in newLineNumberInfo
            lastLine = line
            break if line > lineNumber

          lineNumber = lastLine

        index++

      if index > bestChoice.accuracy
        bestChoice = { accuracy: index, file: file, lineNumber: lineNumber }

      break if index == splitName.length

    bestChoice