Jasmine / Protractor：在beforeEach中停止测试失败 [英] Jasmine/Protractor: stop test on failure in beforeEach

问题描述

我目前正在编写测试量角器，我想知道如果在beforeEach中的某些内容失败时是否有可能取消测试执行（并返回一些有用的消息，例如前提条件失败：无法登录用户）。
I.e.我在beforeEach中有一些帮助方法登录用户，然后进行一些设置。

I am currently writing tests protractor and I was wondering if there is some possibility to cancel test execution as soon as something in the beforeEach fails (and return some useful message like "precondition failed: could not login user"). I.e. I have some helper methods in the beforeEach that login the user and then do some setup.

beforeEach:
  1) login user
  2) set some user properties

显然执行没有任何意义第二步，如果第一步失败（实际上它是非常有害的，因为用户被锁定，这是不好的）。我尝试在第一步添加期望，但第二步仍然执行 - >新思路。

Obviously it does not make any sense to execute the 2nd step if the first one fails (actually its quite harmful as the user gets locked which is not nice). I tried to add an "expect" as part of the 1st step, but the 2nd step was still executed -> fresh out of ideas.

推荐答案

jasmine.Env.prototype.bailFast = function() {
  var env = this;
  env.afterEach(function() {
    if (!this.results().passed()) {
      env.specFilter = function(spec) {
        return false;
      };
    }
  });
};

然后只需致电：

jasmine.getEnv().bailFast();

（功劳归于 hurrymaplelad 谁写了一个npm就是这样做，但你不需要使用它）

(credit goes to hurrymaplelad who wrote an npm that does just that, however you don't need to use it)

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