1 require("../env");

     2 require("../../d3");

     3 require("../../d3.csv");

     4 

     5 var vows = require("vows"),

     6     assert = require("assert");

     7 

     8 var suite = vows.describe("d3.csv");

     9 

    10 suite.addBatch({

    11   "csv": {

    12     topic: function() {

    13       var cb = this.callback;

    14       return d3.csv("examples/data/sample.csv", function(csv) {

    15         cb(null, csv);

    16       });

    17     },

    18     "invokes the callback with the parsed CSV": function(csv) {

    19       assert.deepEqual(csv, [{"Hello":42,"World":"\"fish\""}]);

    20     },

    21     "overrides the mime type to text/csv": function(csv) {

    22       assert.equal(XMLHttpRequest._last._info.mimeType, "text/csv");

    23     },

    24     "": {

    25       topic: function() {

    26         var cb = this.callback;

    27         return d3.csv("//does/not/exist.csv", function(csv) {

    28           cb(null, csv);

    29         });

    30       },

    31       "invokes the callback with null when an error occurs": function(csv) {

    32         assert.isNull(csv);

    33       }

    34     }

    35   }

    36 });

    37 

    38 suite.export(module);