Code coverage report for lib/spdy-transport/protocol/base/utils.js

# all files / lib/spdy-transport/protocol/base/ utils.js

89.47% Statements 34/38
76% Branches 19/25
100% Functions 7/7
89.47% Lines 34/38

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     'use strict'

    var utils = exports

    var util = require('util')

    function ProtocolError (code, message) {
      this.code = code
      this.message = message
    }
    util.inherits(ProtocolError, Error)
    utils.ProtocolError = ProtocolError

    utils.error = function error (code, message) {
      return new ProtocolError(code, message)
    }

    utils.reverse = function reverse (object) {
      var result = []

      Object.keys(object).forEach(function (key) {
        result[object[key] | 0] = key
      })

      return result
    }

    // weight [1, 36] <=> priority [0, 7]
    // This way weight=16 is preserved and has priority=3
    utils.weightToPriority = function weightToPriority (weight) {
      return ((Math.min(35, (weight - 1)) / 35) * 7) | 0
    }

    utils.priorityToWeight = function priorityToWeight (priority) {
      return (((priority / 7) * 35) | 0) + 1
    }

    // Copy-Paste from node
    exports.addHeaderLine = function addHeaderLine (field, value, dest) {
      field = field.toLowerCase()
      if (/^:/.test(field)) {
        dest[field] = value
        return
      }

      switch (field) {
        // Array headers:
        case 'set-cookie':
          if (dest[field] !== undefined) {
            dest[field].push(value)
          } else {
            dest[field] = [ value ]
          }
          break

        /* eslint-disable max-len */
        // list is taken from:
        /* eslint-enable max-len */
        case 'content-type':
        case 'content-length':
        case 'user-agent':
        case 'referer':
        case 'host':
        case 'authorization':
        case 'proxy-authorization':
        case 'if-modified-since':
        case 'if-unmodified-since':
        case 'from':
        case 'location':
        case 'max-forwards':
          // drop duplicates
          Eif (dest[field] === undefined) {
            dest[field] = value
          }
          break

        case 'cookie':
          // make semicolon-separated list
          if (dest[field] !== undefined) {
            dest[field] += '; ' + value
          } else {
            dest[field] = value
          }
          break

        default:
          // make comma-separated list
          if (dest[field] !== undefined) {
            dest[field] += ', ' + value
          } else {
            dest[field] = value
          }
      }
    }