下麵的介紹以karma能正常運行為前提，看karma系列文章：http://www.cnblogs.com/laixiangran/tag/Karma/

目錄結構

步驟

安裝

npm install angular --save-dev
npm install angular-mocks --save-dev  //專門用來進行單元測試的模塊

karma.conf.js

/***
 * Created by laixiangran on 2015/12/22.
 * karma單元測試配置文件
 */

module.exports = function(config) {

    config.set({

        /***
         * 基礎路徑，用在files，exclude屬性上
         */
        basePath: "",

        /**
         * 測試框架
         * 可用的框架：https://npmjs.org/browse/keyword/karma-adapter
         */
        frameworks: ["jasmine"],

        /**
         * 需要載入到瀏覽器的文件列表
         */
        files: [
            "../node_modules/angular/angular.js",
            "../node_modules/angular-mocks/angular-mocks.js",
            "karmaTest/test.js",
            "karmaTest/test.spec.js"
        ]
    });
};

test.js

/**
 * Created by laixiangran on 2015/12/20.
 */

var app = angular.module("myApp", []);

app.controller("myCtrl", ["$scope", function ($scope) {

    var vm = $scope.vm = {
        htmlSource: "",
        showErrorType: 1,
        showDynamicElement: true
    };

    $scope.testTxt = "hello unit test!";

    $scope.setTxt = function (txt) {
        $scope.testTxt = txt;
    };

    $scope.getTxt = function () {
        return $scope.testTxt;
    };

    $scope.removeTxt = function () {
        delete($scope.testTxt);
    };

    $scope.chooseTxt = function (val) {
        return val == "t" ? "hello unit test!" : "hello world!";
    };

}]);

test.spec.js

/**
 * Created by laixiangran on 2015/12/20.
 */
describe("myCtrl測試", function() {
    var scope = null;
    var testCtrl = null;

    // module是angular.mock.module方法，用來配置inject方法註入的模塊信息，參數可以是字元串、函數、對象
    beforeEach(module("myApp"));
　　
　　// inject是angular.mock.inject方法，用來註入module配置好的ng模塊,方便在it的測試函數里調用
    beforeEach(inject(function($rootScope, $controller) {
        scope = $rootScope.$new();
        //初始化myCtrl
        testCtrl = $controller("myCtrl", {$scope:scope});
    }));

    it("validateCtrl必須定義", inject(function($controller) {
        expect(testCtrl).toBeDefined();
    }));

    it("scope.testTxt = 'hello unit test!'",function() {
        expect(scope.testTxt).toBe("hello unit test!");
    });

    it("scope.setTxt('hello world!')，scope.testTxt = 'hello world!'",function() {
        scope.setTxt("hello world!");
        expect(scope.testTxt).toBe("hello world!");
    });

    it("scope.chooseTxt('t')必須返回'hello unit test!'",function() {
        expect(scope.chooseTxt("t")).toBe("hello unit test!");
    });

});

好文推薦：http://www.ngnice.com/posts/dc4b032b537ae0