require("../env");

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

var vows = require("vows"),

    assert = require("assert");

var suite = vows.describe("d3.xml");

suite.addBatch({

  "xml": {

    topic: function() {

      var cb = this.callback;

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

        cb(null, xml);

      });

    },

    "invokes the callback with the loaded xml": function(xml) {

      assert.deepEqual(xml, {_xml: "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<hello>\n  <world name=\"Earth\"/>\n</hello>\n"});

    },

    "does not override the mime type by default": function(xml) {

      assert.isUndefined(XMLHttpRequest._last._info.mimeType);

    },

    "": {

      topic: function() {

        var cb = this.callback;

        return d3.xml("examples/data/sample.txt", "application/xml+sample", function(xml) {

          cb(null, xml);

        });

      },

      "observes the optional mime type": function(xml) {

        assert.equal(XMLHttpRequest._last._info.mimeType, "application/xml+sample");

      }

    },

    " ": {

      topic: function() {

        var cb = this.callback;

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

          cb(null, xml);

        });

      },

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

        assert.isNull(xml);

      }

    }

  }

});

suite.export(module);