d3/test/core/xhr-test.js

56 строки
1.5 KiB
JavaScript

require("../env");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("d3.xhr");
suite.addBatch({
"xhr": {
topic: function() {
var cb = this.callback;
d3.xhr("examples/data/sample.txt", function(error, req) {
cb(null, req);
});
},
"makes an asynchronous HTTP request": function(req) {
assert.equal(req._info.url, "examples/data/sample.txt");
assert.isTrue(req._info.async);
},
"invokes the callback with the request object": function(req) {
assert.equal(req.responseText, "Hello, world!\n");
},
"does not override the mime type by default": function(req) {
assert.isUndefined(req._info.mimeType);
},
"waits until the request is done": function(req) {
assert.equal(req.readyState, 4);
assert.equal(req.status, 200);
},
"": {
topic: function() {
var cb = this.callback;
d3.xhr("examples/data/sample.txt", "text/plain", function(error, req) {
cb(null, req);
});
},
"observes the optional mime type": function(req) {
assert.equal(req._info.mimeType, "text/plain");
}
},
" ": {
topic: function() {
var cb = this.callback;
d3.xhr("//does/not/exist.txt", function(error, req) {
cb(null, req);
});
},
"invokes the callback with undefined when an error occurs": function(req) {
assert.isUndefined(req);
}
}
}
});
suite.export(module);