diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/test/core/html-test.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/test/core/html-test.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,37 @@
+require("../env");
+require("../../d3");
+
+var vows = require("vows"),
+    assert = require("assert");
+
+var suite = vows.describe("d3.html");
+
+suite.addBatch({
+  "html": {
+    topic: function() {
+      var cb = this.callback;
+      return d3.html("examples/data/sample.html", function(document) {
+        cb(null, document);
+      });
+    },
+    "invokes the callback with the loaded html": function(document) {
+      assert.equal(document.getElementsByTagName("H1")[0].textContent, "Hello & world!");
+    },
+    "override the mime type to text/html": function(xml) {
+      assert.equal(XMLHttpRequest._last._info.mimeType, "text/html");
+    },
+    "": {
+      topic: function() {
+        var cb = this.callback;
+        return d3.html("//does/not/exist.html", function(document) {
+          cb(null, document);
+        });
+      },
+      "invokes the callback with null when an error occurs": function(document) {
+        assert.isNull(document);
+      }
+    }
+  }
+});
+
+suite.export(module);