Code coverage report for src/path.js

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// # Path
// Path Object represents a path between two Nodes
var __initPath__ = function(neo4jrestful) {
 
  var helpers = null
    , _       = null
 
  Iif (typeof window === 'object') {
    // browser
    helpers = window.Neo4jMapper.helpers;
    _       = window._;
  } else {
    // nodejs
    helpers = require('./helpers')
    _       = require('underscore');
  }
 
  // Constructor of Path
  var Path = function Path() {
    this.nodes = [];
    this.relationships = [];
    this.from = {
      id: null,
      uri: null
    };
    this.to = {
      id: null,
      uri: null
    };
    this._is_instanced_ = true;
  }
 
  Path.prototype.classification   = 'Path';   // only needed for toObject()
  Path.prototype.from             = null;
  Path.prototype.to               = null;
  Path.prototype.start            = null;
  Path.prototype.end              = null;
  Path.prototype.length           = 0;
  Path.prototype.relationships    = null;
  Path.prototype.nodes            = null;
  Path.prototype._response_       = null;
  Path.prototype._is_singleton_   = false;
  Path.prototype._is_persisted_   = false;
  Path.prototype._is_instanced_   = null;
 
  Path.prototype.singleton = function() {
    var path = new Path();
    path._is_singleton_ = true;
    return path;
  }
 
  /*
  [
    { start: 'http://localhost:7419/db/data/node/1019',
      nodes:
       [ 'http://localhost:7419/db/data/node/1019',
         'http://localhost:7419/db/data/node/1020',
         'http://localhost:7419/db/data/node/1021' ],
      length: 2,
      relationships:
       [ 'http://localhost:7419/db/data/relationship/315',
         'http://localhost:7419/db/data/relationship/316' ],
      end: 'http://localhost:7419/db/data/node/1021' } ]
  */
  Path.prototype.populateWithDataFromResponse = function(data) {
    // if we are working on the prototype object
    // we won't mutate it and create a new path instance insetad
    var path = (this._is_instanced_ !== null) ? this : new Path();
    Eif (data) {
      Eif (_.isObject(data) && (!_.isArray(data)))
        path._response_ = data;
      else
        path._response_ = data[0];
 
      Eif (_.isArray(data.nodes)) {
        for (var i=0; i < data.nodes.length; i++) {
          var url = data.nodes[i];
          if (/[0-9]+$/.test(url))
            data.nodes[i] = {
              uri: url,
              id: Number(url.match(/[0-9]+$/)[0])
            }
        }
      }
 
      path.nodes = _.extend(data.nodes);
 
      Eif (_.isArray(data.relationships)) {
        for (var i=0; i < data.relationships.length; i++) {
          var url = data.relationships[i];
          if (/[0-9]+$/.test(url))
            data.relationships[i] = {
              uri: url,
              id: Number(url.match(/[0-9]+$/)[0])
            }
        }
      }
 
      path.relationships = _.extend(data.relationships);
 
      path.from = {
        id: Number(data.start.match(/[0-9]+$/)[0]),
        uri: data.start
      }
 
      path.to = {
        id: Number(data.end.match(/[0-9]+$/)[0]),
        uri: data.end
      }
 
      path.start = data.start;
      path.end = data.end;
      path.length = data.length;
 
    }
    path._is_persisted_ = true;
    return path;
  }
 
  Path.prototype.load = function(cb) {
    cb(null, this);
  }
 
  Path.prototype.toObject = function() {
    return {
      classification: this.classification,
      start: this.start,
      end: this.end,
      from: _.extend(this.from),
      to: _.extend(this.to),
      relationships: _.extend(this.relationships),
      nodes: _.extend(this.nodes)
    };
  }
 
  Path.prototype.resetQuery = function() { return this; }
 
  Path.new = function() {
    return new Path();
  }
 
  Path.create = Path.new;
 
  return neo4jrestful.Path = Path;
}
 
Eif (typeof window !== 'object') {
  module.exports = exports = {
    init: __initPath__
  };
} else {
  window.Neo4jMapper.initPath = __initPath__;
}