Add tests and documentation for ol.net.jsonp

ol.net.Jsonp was renamed to ol.net.jsonp, because it is not a constructor.
2016-01-31 23:03:36 +01:00
parent 8d0ef13505
commit 136c8af878
6 changed files with 84 additions and 15 deletions
@@ -0,0 +1,65 @@
+goog.provide('ol.test.net');
+
+
+describe('ol.net', function() {
+
+  describe('jsonp()', function() {
+    var head = goog.global.document.getElementsByTagName('head')[0];
+    var origAppendChild = head.appendChild;
+    var origSetTimeout = goog.global.setTimeout;
+    var key;
+
+    function createCallback(url, done) {
+      var callback = function(data) {
+        expect(data).to.be(url + key);
+        done();
+      };
+      key = 'olc_' + goog.getUid(callback);
+      return callback;
+    }
+
+    beforeEach(function() {
+      head.appendChild = function(element) {
+        origSetTimeout(function() {
+          goog.global[key](element.getAttribute('src'));
+        }, 0);
+      };
+      goog.global.setTimeout = function(fn, time) {
+        origSetTimeout(fn, 100);
+      };
+    });
+
+    afterEach(function() {
+      head.appendChild = origAppendChild;
+      goog.global.setTimeout = origSetTimeout;
+    });
+
+    it('appends callback param to url, cleans up after call', function(done) {
+      ol.net.jsonp('foo', createCallback('foo?callback=', done));
+    });
+    it('appends correct callback param to a url with query', function(done) {
+      var callback = createCallback('http://foo/bar?baz&callback=', done);
+      ol.net.jsonp('http://foo/bar?baz', callback);
+    });
+    it('calls errback when jsonp is not executed, cleans up', function(done) {
+      head.appendChild = function() {};
+      function callback() {
+        expect.fail();
+      }
+      function errback() {
+        expect(goog.global[key]).to.be(undefined);
+        done();
+      }
+      ol.net.jsonp('foo', callback, errback);
+    });
+    it('accepts a custom callback param', function(done) {
+      var callback = createCallback('foo?mycallback=', done);
+      ol.net.jsonp('foo', callback, undefined, 'mycallback');
+    });
+
+  });
+
+});
+
+
+goog.require('ol.net');