diff --git a/karma.conf.js b/karma.conf.js
index 209837431f..c57e74c93c 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -26,6 +26,24 @@ module.exports = function (config) {
             "src/core/plugin.js",
             "src/core/**/*.js",
             "src/data/**/*.js",
+            "src/data/**/*.js",
+            "src/data/**/*.js",
+            "src/third/**/*.js",
+            "src/base/pane.js",
+            "src/base/single/single.js",
+            "src/base/single/text.js",
+            "src/base/single/button/button.basic.js",
+            "src/base/single/button/button.node.js",
+            "src/base/single/tip/tip.js",
+            "src/base/combination/group.button.js",
+            "src/base/combination/tree.button.js",
+            "src/base/tree/ztree/treeview.js",
+            "src/base/tree/ztree/asynctree.js",
+            "src/base/tree/ztree/parttree.js",
+            "src/base/tree/ztree/list/listtreeview.js",
+            "src/base/tree/ztree/list/listasynctree.js",
+            "src/base/tree/ztree/list/listparttree.js",
+            "src/base/**/*.js",
             "src/**/*.test.js",
             "test/**/*.js"
         ],
@@ -36,7 +54,8 @@ module.exports = function (config) {
         preprocessors: {
             "src/core/alias.js": "coverage",
             "src/core/base.js": "coverage",
-            "src/core/func/date.js": "coverage"
+            "src/core/func/date.js": "coverage",
+            "src/base/**/*.js": "coverage"
         },
 
 
@@ -45,13 +64,18 @@ module.exports = function (config) {
         // available reporters: https://npmjs.org/browse/keyword/karma-reporter
         reporters: ["progress", "coverage"],
 
+        browserDisconnectTolerance: 3,
+        browserDisconnectTimeout : 300000,
+        browserNoActivityTimeout : 300000,
+
         coverageReporter: {
             // specify a common output directory
             dir: "coverage/",
             reporters: [
                 // reporters not supporting the `file` property
                 { type: "html", subdir: "report-html" },
-                { type: "json-summary", subdir: "report-json-summary" }
+                { type: "json-summary", subdir: "report-json-summary" },
+                { type: "cobertura", subdir: "report-cobertura"}
             ]
         },
 
diff --git a/test/utils.js b/test/utils.js
new file mode 100644
index 0000000000..a377cb3a3d
--- /dev/null
+++ b/test/utils.js
@@ -0,0 +1,12 @@
+!(function () {
+    BI.Test = {};
+    _.extend(BI.Test, {
+        createWidget: function (widgetJson) {
+            var widget = BI.createWidget(widgetJson);
+            widget._isRoot = true;
+            widget._mount();
+            widget.element.appendTo("body");
+            return widget;
+        }
+    })
+})();
\ No newline at end of file
diff --git a/test/widget/button.test.js b/test/widget/button.test.js
new file mode 100644
index 0000000000..34fb15ca6d
--- /dev/null
+++ b/test/widget/button.test.js
@@ -0,0 +1,24 @@
+/**
+ * Created by windy on 2018/01/23.
+ */
+describe("ButtonTest", function () {
+
+    /**
+     * test_author_windy
+     */
+    it("EventClickTest", function (done) {
+        var button = BI.Test.createWidget({
+            type: "bi.button",
+            text: "CCC",
+            handler: function () {
+                this.setText("click");
+            }
+        });
+        BI.nextTick(function () {
+            button.element.click();
+            expect(button.element[0].querySelector(".bi-text").textContent).to.equal("click");
+            done();
+        });
+
+    });
+});
diff --git a/test/widget/text.test.js b/test/widget/text.test.js
new file mode 100644
index 0000000000..1f8e8b49de
--- /dev/null
+++ b/test/widget/text.test.js
@@ -0,0 +1,27 @@
+/**
+ * Created by windy on 2018/01/23.
+ */
+describe("TextTest", function () {
+
+    /**
+     * test_author_windy
+     */
+    it("setText", function () {
+        var text = BI.Test.createWidget({
+            type: "bi.text"
+        });
+        text.setText("AAA");
+        expect(text.element[0].textContent).to.equal("AAA");
+    });
+
+    /**
+     * test_author_windy
+     */
+    it("setStyle", function () {
+        var text = BI.Test.createWidget({
+            type: "bi.text"
+        });
+        text.setStyle({"color": "red"});
+        expect(text.element[0].style.color).to.equal("red");
+    });
+});