d3/test/core/text-test.js

48 строки
1.2 KiB
JavaScript

require("../env");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("d3.text");
suite.addBatch({
"text": {
topic: function() {
var cb = this.callback;
d3.text("examples/data/sample.txt", function(error, text) {
cb(null, text);
});
},
"invokes the callback with the loaded text": function(text) {
assert.equal(text, "Hello, world!\n");
},
"does not override the mime type by default": function(text) {
assert.isUndefined(XMLHttpRequest._last._info.mimeType);
},
"": {
topic: function() {
var cb = this.callback;
d3.text("examples/data/sample.txt", "text/plain+sample", function(error, text) {
cb(null, text);
});
},
"observes the optional mime type": function(text) {
assert.equal(XMLHttpRequest._last._info.mimeType, "text/plain+sample");
}
},
" ": {
topic: function() {
var cb = this.callback;
d3.text("//does/not/exist.txt", function(error, text) {
cb(null, text);
});
},
"invokes the callback with undefined when an error occurs": function(text) {
assert.isUndefined(text);
}
}
}
});
suite.export(module);