Angular 服务未在单元测试中注入

Question

您好，我有一个简单的测试：

define(["angular", "angularMocks", "app", "normalizer"], function(angular, mocks, app) {

  describe("service: normalizer", function () {
    var normalizerService;

    beforeEach(module("ADB"));

    beforeEach(inject(function(_normalizer_) {
      normalizerService = _normalizer_;
    }));

    var params = {};
    var metadata = {};
    var data = {};

    var response = normalizerService.topLanguagesHybrid(metadata, data, params);

    var type = typeof response;
    expect(type).toEqual("object");

  });
});

问题是规范化器服务从未被设置，并且在 cmd 中我看到以下错误：

 TypeError: 'undefined' is not an object (evaluating 'normalizerService.topLanguagesHybrid')

注意：我在这个项目中使用了 requirejs，我可以看到规范化器服务文件正在加载到浏览器中（及其所有依赖项）。它似乎只是没有注入。 我做错了什么？

Link to error

Answer 1

当你定义服务时，你忘了定义规范器，所以正确的语法是

define(["angular", "angularMocks", "app", "normalizer"], function(angular, mocks, app, normalizerService) {

  describe("service: normalizer", function () {
    var normalizerService;

    beforeEach(module("ADB"));

    var params = {};
    var metadata = {};
    var data = {};

    var response = normalizerService.topLanguagesHybrid(metadata, data, params);

    var type = typeof response;
    expect(type).toEqual("object");

  });
});

Answer 2

对于测试场景，您忘记定义 it，beforeEach 在每个“it”函数之前运行。

define(["angular", "angularMocks", "app", "normalizer"], function(angular, mocks, app) {

  describe("service: normalizer", function () {
    var normalizerService;

    beforeEach(module("ADB"));

    beforeEach(inject(function(_normalizer_) {
      normalizerService = _normalizer_;
    }));

    it('should define topLanguageHybrid method', function() {
      var params = {};
      var metadata = {};
      var data = {};

      var response = normalizerService.topLanguagesHybrid(metadata, data, params);

      var type = typeof response;
      expect(type).toEqual("object");
    });
  });
});

更多关于茉莉花的信息：jasmine docs