分离工具函数

test/option.test.js

@@ -0,0 +1,32 @@
+var url = 'https://zhw2590582.github.io/assets-cdn/video/one-more-time-one-more-chance-480p.mp4';
+
+describe('Option', function() {
+    afterEach(function() {
+        [...Artplayer.instances].forEach(art => {
+            art.destroy(true);
+        });
+    });
+
+    it('Throw error when multiple instances on the same dom element', function() {
+        expect(function() {
+            new Artplayer({ container: '.sample1', url: url });
+            new Artplayer({ container: '.sample1', url: url });
+        }).to.throw(/Cannot mount multiple instances on the same dom element/);
+    });
+
+    it('Throw error when container is not a dom element or selector', function() {
+        expect(function() {
+            new Artplayer({
+                container: null,
+                url: url,
+            });
+        }).to.throw(/option.container require \'string\' or \'Element\' type/);
+    });
+
+    it('The url can return a promise', function() {
+        new Artplayer({
+            container: '.sample1',
+            url: () => Promise.resolve(url),
+        });
+    });
+});