117 lines
3.5 KiB
JavaScript
117 lines
3.5 KiB
JavaScript
import {
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getJSON,
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jsonp as requestJSONP,
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resolveUrl,
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} from '../../../../src/ol/net.js';
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import {getUid} from '../../../../src/ol/util.js';
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describe('ol/net', function () {
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describe('getJSON()', function () {
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it('returns a promise that resolves to a parsed JSON object', function (done) {
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const url = 'spec/ol/data/point.json';
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const result = getJSON(url);
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expect(result).to.be.a(Promise);
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result.then(function (json) {
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expect(json).to.be.an(Object);
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expect(json.type).to.be('FeatureCollection');
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done();
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});
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result.catch(done);
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});
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});
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describe('resolveUrl()', function () {
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it('resolves an absolute URL given a base and relative URL', function () {
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const url = resolveUrl('https://example.com/base/', 'relative/path');
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expect(url).to.be('https://example.com/base/relative/path');
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});
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it('returns the second arg if it is an absolute URL', function () {
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const url = resolveUrl(
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'https://example.com',
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'https://other-example.com'
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);
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expect(url).to.be('https://other-example.com');
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});
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});
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describe('jsonp()', function () {
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const head = document.getElementsByTagName('head')[0];
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const origAppendChild = head.appendChild;
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const origCreateElement = document.createElement;
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const origSetTimeout = setTimeout;
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let key, removeChild;
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function createCallback(url, done) {
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removeChild = sinon.spy();
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const callback = function (data) {
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expect(data).to.be(url + key);
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expect(removeChild.called).to.be(true);
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done();
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};
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key = 'olc_' + getUid(callback);
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return callback;
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}
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beforeEach(function () {
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const element = {};
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document.createElement = function (arg) {
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if (arg == 'script') {
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return element;
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} else {
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return origCreateElement.apply(document, arguments);
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}
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};
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head.appendChild = function (el) {
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if (el === element) {
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element.parentNode = {
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removeChild: removeChild,
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};
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origSetTimeout(function () {
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window[key](element.src);
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}, 0);
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} else {
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origAppendChild.apply(head, arguments);
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}
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};
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setTimeout = function (fn, time) {
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origSetTimeout(fn, 100);
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};
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});
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afterEach(function () {
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document.createElement = origCreateElement;
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head.appendChild = origAppendChild;
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setTimeout = origSetTimeout;
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});
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it('appends callback param to url, cleans up after call', function (done) {
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requestJSONP('foo', createCallback('foo?callback=', done));
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});
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it('appends correct callback param to a url with query', function (done) {
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const callback = createCallback('http://foo/bar?baz&callback=', done);
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requestJSONP('http://foo/bar?baz', callback);
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});
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it('calls errback when jsonp is not executed, cleans up', function (done) {
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head.appendChild = function (element) {
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element.parentNode = {
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removeChild: removeChild,
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};
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};
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function callback() {
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expect().fail();
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}
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function errback() {
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expect(window[key]).to.be(undefined);
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expect(removeChild.called).to.be(true);
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done();
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}
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requestJSONP('foo', callback, errback);
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});
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it('accepts a custom callback param', function (done) {
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const callback = createCallback('foo?mycallback=', done);
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requestJSONP('foo', callback, undefined, 'mycallback');
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});
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});
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});
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