Rspec have_field 引发错误而 have_selector 返回成功 [英] Rspec have_field raises an error while have_selector return success

问题描述

在下面的示例中，3 个 have_field 规范失败，而 2 个 have_selector 通过.

In the example below 3 have_field specs fail, while 2 have_selector pass.

describe "without js support", js: false do
  subject { page }      

  it { should have_selector "form label[for='user_password']", text: "Password" }
  it { should have_selector "form input#user_password[name='user[password]'][type='password'][required]" }
  it { should have_field "user_password" }  # check by field id
  it { should have_field "user[password]" } # check by field name
  it { should have_field "Password" }       # check by field label
end

在正在测试的模板中，我实际上有(浏览器中禁用了 js 支持):

In the template being tested I actually have (js support disabled in browser):

<label for="user_password" id="label_password">Password</label>
<input id="user_password" name="user[password]" required="required" type="password" />

have_selector 规范按预期通过，但 have_field 未通过.为什么?

have_selector specs pass as expected, but have_field aren't. Why?

更有趣的是在我将示例更改为:

Even more interesting is after I change an example to:

describe "with js support", js: true" do
...

然后所有 5 个规格都变成绿色.很棒，但我不知道我的 nojs 规格有什么问题.

than all 5 specs become green. It's wonderful, but I have no damned idea, what is wrong with my nojs specs.

推荐答案

好吧，我的实验表明，不是简单地测试 have_field

Well, my experiments shows that instead of simply testing have_field

it { should have_field "user_password" }

我必须明确设置字段类型

I have to explicitly set field type

it { should have_field "user_password", :type => :password }

然后测试通过.(小心！在类型设置中使用 :password，而不是 'password').

Then the test passes. (Be careful! Use :password, not 'password' in type setting).

如果你必须检查密码没有价值，它可以照常进行

And if you have to check password hasn't value, it can be done as usual

it { should have_field "user_password", :type => :password, :with => nil }

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