87 lines
2.5 KiB
JavaScript
87 lines
2.5 KiB
JavaScript
import {getUid} from '../../../src/ol/util.js';
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import {jsonp as requestJSONP} from '../../../src/ol/net.js';
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describe('ol.net', function() {
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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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