08-27-周三_17-09-29

node_modules/clipboard/test/clipboard.js

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+import Clipboard from '../src/clipboard';
+import ClipboardAction from '../src/clipboard-action';
+import listen from 'good-listener';
+
+describe('Clipboard', () => {
+    before(() => {
+        global.button = document.createElement('button');
+        global.button.setAttribute('class', 'btn');
+        global.button.setAttribute('data-clipboard-text', 'foo');
+        document.body.appendChild(global.button);
+
+        global.span = document.createElement('span');
+        global.span.innerHTML = 'bar';
+
+        global.button.appendChild(span);
+
+        global.event = {
+            target: global.button,
+            currentTarget: global.button
+        };
+    });
+
+    after(() => {
+        document.body.innerHTML = '';
+    });
+
+    describe('#resolveOptions', () => {
+        before(() => {
+            global.fn = () => {};
+        });
+
+        it('should set action as a function', () => {
+            let clipboard = new Clipboard('.btn', {
+                action: global.fn
+            });
+
+            assert.equal(global.fn, clipboard.action);
+        });
+
+        it('should set target as a function', () => {
+            let clipboard = new Clipboard('.btn', {
+                target: global.fn
+            });
+
+            assert.equal(global.fn, clipboard.target);
+        });
+
+        it('should set text as a function', () => {
+            let clipboard = new Clipboard('.btn', {
+                text: global.fn
+            });
+
+            assert.equal(global.fn, clipboard.text);
+        });
+
+        it('should set container as an object', () => {
+            let clipboard = new Clipboard('.btn', {
+                container: document.body
+            });
+
+            assert.equal(document.body, clipboard.container);
+        });
+
+        it('should set container as body by default', () => {
+            let clipboard = new Clipboard('.btn');
+
+            assert.equal(document.body, clipboard.container);
+        });
+    });
+
+    describe('#listenClick', () => {
+        it('should add a click event listener to the passed selector', () => {
+            let clipboard = new Clipboard('.btn');
+            assert.isObject(clipboard.listener);
+        });
+    });
+
+    describe('#onClick', () => {
+        it('should create a new instance of ClipboardAction', () => {
+            let clipboard = new Clipboard('.btn');
+
+            clipboard.onClick(global.event);
+            assert.instanceOf(clipboard.clipboardAction, ClipboardAction);
+        });
+
+        it('should use an event\'s currentTarget when not equal to target', () => {
+            let clipboard = new Clipboard('.btn');
+            let bubbledEvent = { target: global.span, currentTarget: global.button };
+
+            clipboard.onClick(bubbledEvent);
+            assert.instanceOf(clipboard.clipboardAction, ClipboardAction);
+        });
+
+        it('should throw an exception when target is invalid', done => {
+            try {
+                const clipboard = new Clipboard('.btn', {
+                    target() {
+                        return null;
+                    }
+                });
+
+                clipboard.onClick(global.event);
+            }
+            catch(e) {
+                assert.equal(e.message, 'Invalid "target" value, use a valid Element');
+                done();
+            }
+        });
+    });
+
+    describe('#static isSupported', () => {
+        it('should return the support of the given action', () => {
+            assert.equal(Clipboard.isSupported('copy'), true);
+            assert.equal(Clipboard.isSupported('cut'), true);
+        });
+
+        it('should return the support of the cut and copy actions', () => {
+            assert.equal(Clipboard.isSupported(), true);
+        });
+    });
+
+    describe('#destroy', () => {
+        it('should destroy an existing instance of ClipboardAction', () => {
+            let clipboard = new Clipboard('.btn');
+
+            clipboard.onClick(global.event);
+            clipboard.destroy();
+
+            assert.equal(clipboard.clipboardAction, null);
+        });
+    });
+});