ruby - Rspec; verifying an element state when the attribute that doesn't have a value -

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i doing automation testing using rspec , watir.
verify presence of button element's attribute titled hidden. in pseudo-code this: 

find button element; press click verify button element has attribute titled "hidden" perform further actions

is possible find attributes of nature, or need hidden=hidden?

you can use built-in hidden? method:

<input type="submit" value="button"> browser.button.hidden? #=> false  <input type="submit" value="button" hidden> browser.button.hidden? #=> true

then, can create rspec example uses expectation validate:

describe "button"   "should hidden"     expect(browser.button.hidden?).to true   end end

and expect(browser.button.hidden?).to true clunky. justin ko astutely points out, rspec provides syntactic sugar in form of predicate matchers make cleaner: expect(browser.button).to be_hidden.


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