add more tests for different .add() syntaxes

englercj · Mar 4, 2015 · 54c602a · 54c602a
1 parent 901c0d7
commit 54c602a
Showing 1 changed file with 188 additions and 5 deletions.
diff --git a/test/unit/Loader.test.js b/test/unit/Loader.test.js
@@ -1,5 +1,4 @@
-var url = 'http://localhost/file',
-    loader = null;
+var loader = null;
 
 describe('Loader', function () {
     beforeEach(function () {
@@ -21,12 +20,196 @@ describe('Loader', function () {
     });
 
     describe('#add', function () {
-        it('should add a resource to the queue', function () {
-            loader.add('test-resource', 'http://google.com');
+        var name = 'test-resource',
+            url = 'http://localhost/file',
+            options = {
+                crossOrigin: true,
+                loadType: Resource.LOAD_TYPE.IMAGE,
+                xhrType: Resource.XHR_RESPONSE_TYPE.DOCUMENT
+            },
+            callback = function () {};
+
+        it('creates a resource using all arguments', function () {
+            loader.add(name, url, options, callback);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', name);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('crossOrigin', options.crossOrigin);
+            expect(res).to.have.property('loadType', options.loadType);
+            expect(res).to.have.property('xhrType', options.xhrType);
+            expect(res).to.have.property('_events')
+                .that.has.property('afterMiddleware')
+                .that.is.a('function');
+        });
+
+        it('creates a resource with just name, url, and options', function () {
+            loader.add(name, url, options);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', name);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('crossOrigin', options.crossOrigin);
+            expect(res).to.have.property('loadType', options.loadType);
+            expect(res).to.have.property('xhrType', options.xhrType);
+        });
+
+        it('creates a resource with just name, url, and a callback', function () {
+            loader.add(name, url, callback);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', name);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('_events')
+                .that.has.property('afterMiddleware')
+                .that.is.a('function');
+        });
+
+        it('creates a resource with just name and url', function () {
+            loader.add(name, url);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', name);
+            expect(res).to.have.property('url', url);
+        });
+
+        it('creates a resource with just url, options, and a callback', function () {
+            loader.add(url, options, callback);
 
             expect(loader.queue.length()).to.equal(0);
             expect(loader._buffer).to.have.length(1);
-            expect(loader._buffer[0]).to.be.an.instanceOf(Resource);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', url);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('crossOrigin', options.crossOrigin);
+            expect(res).to.have.property('loadType', options.loadType);
+            expect(res).to.have.property('xhrType', options.xhrType);
+            expect(res).to.have.property('_events')
+                .that.has.property('afterMiddleware')
+                .that.is.a('function');
+        });
+
+        it('creates a resource with just url and options', function () {
+            loader.add(url, options);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', url);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('crossOrigin', options.crossOrigin);
+            expect(res).to.have.property('loadType', options.loadType);
+            expect(res).to.have.property('xhrType', options.xhrType);
+        });
+
+        it('creates a resource with just url and a callback', function () {
+            loader.add(url, callback);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', url);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('_events')
+                .that.has.property('afterMiddleware')
+                .that.is.a('function');
+        });
+
+        it('creates a resource with just url', function () {
+            loader.add(url);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', url);
+            expect(res).to.have.property('url', url);
+        });
+
+        it('creates a resource with just an object (name/url keys) and callback param', function () {
+            loader.add({ name: name, url: url }, callback);
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', name);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('_events')
+                .that.has.property('afterMiddleware')
+                .that.is.a('function');
+        });
+
+        it('creates a resource with just an object (name/url/callback keys)', function () {
+            loader.add({ name: name, url: url, onComplete: callback });
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', name);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('_events')
+                .that.has.property('afterMiddleware')
+                .that.is.a('function');
+        });
+
+        it('creates a resource with just an object (url/callback keys)', function () {
+            loader.add({ url: url, onComplete: callback });
+
+            expect(loader.queue.length()).to.equal(0);
+            expect(loader._buffer).to.have.length(1);
+
+            var res = loader._buffer[0];
+
+            expect(res).to.be.an.instanceOf(Resource);
+            expect(res).to.have.property('name', url);
+            expect(res).to.have.property('url', url);
+            expect(res).to.have.property('_events')
+                .that.has.property('afterMiddleware')
+                .that.is.a('function');
+        });
+
+        it('throws an error if url isn\'t passed', function () {
+            expect(loader.add).to.throw(Error);
+            expect(function () { loader.add(options); }).to.throw(Error);
+            expect(function () { loader.add(callback); }).to.throw(Error);
+            expect(function () { loader.add(options, callback); }).to.throw(Error);
         });
     });