test: 添加单元测试

src/index.js

@@ -41,7 +41,7 @@ export function extend(deep, target, ...sourceList) {
     }
 
     // 深拷贝
-    if (!isObject(target)) {
+    if (!isObject(target) && !isArray(target)) {
         throw new TypeError('extend target param must is object');
     }
 

test/browser/index.html

@@ -22,7 +22,7 @@
     <script>
         var libs = {
             'expect.js': expect,
-            '../dist/index.js': jslib_extend
+            '../dist/index.js': jsmini_extend
         };
         var require = function(path) {
             return libs[path];

test/test.js

@@ -1,19 +1,51 @@
 var expect = require('expect.js');
 
-var base = require('../dist/index.js');
+var assign = require('../dist/index.js').assign;
+var extend = require('../dist/index.js').extend;
 
 describe('单元测试', function() {
     this.timeout(1000);
 
-    describe('功能1', function() {
-        it('相等', function() {
-            expect(base.name).to.equal('base');
+    var a = {a: 1};
+    var b = {a: 2, b1: 1, b2: {c1: 1}, b3: [1]};
+
+    describe('assign', function() {
+        it('常规', function() {
+            var h = assign({}, a, b);
+
+            expect(h.a).to.equal(b.a);
+            expect(h.b1).to.equal(b.b1);
+            expect(h.b2).to.equal(b.b2);
+        });
+    });
+
+    describe('extend:shallow', function() {
+        it('常规', function() {
+            // 缺省参数
+            var h = extend({}, a, b);
+
+            expect(h.a).to.equal(b.a);
+            expect(h.b1).to.equal(b.b1);
+            expect(h.b2).to.equal(b.b2);
+
+            // 显示参数
+            var h = extend(false, {}, a, b);
+
+            expect(h.a).to.equal(b.a);
+            expect(h.b1).to.equal(b.b1);
+            expect(h.b2).to.equal(b.b2);
         });
     });
 
-    describe('功能2', function() {
-        it('不相等', function() {
-            expect(base.name).not.to.equal(1);
+    describe('extend:deep', function() {
+        it('常规', function() {
+            var h = extend(true, {}, a, b);
+
+            expect(h.a).to.equal(b.a);
+            expect(h.b1).to.equal(b.b1);
+
+            expect(h.b2).not.to.equal(b.b2);
+            expect(h.b2).to.eql(b.b2);
         });
     });
 });