我很确定watir-webdriver有css选择器支持,但看起来它不再存在了:
$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.2.0]
$ gem -v
1.8.15
$ gem list selenium-webdriver
*** LOCAL GEMS ***
selenium-webdriver (2.17.0)
$ gem list watir-webdriver
*** LOCAL GEMS ***
watir-webdriver (0.4.1)
$ irb
> require "watir-webdriver"
=> true
> browser = Watir::Browser.new :firefox
=> #<Watir::Browser:0x787eb29124fb7658 url="about:blank" title="">
> browser.goto "google.com"
=> "http://www.google.com.mx/"
> browser.a(:css => "a").flash
Watir::Exception::MissingWayOfFindingObjectException: invalid attribute: :css
from /Users/zeljko/.rvm/gems/ruby-1.9.3-p0/gems/watir-webdriver-0.4.1/lib/watir-webdriver/locators/element_locator.rb:228:in `assert_valid_as_attribute'
from /Users/zeljko/.rvm/gems/ruby-1.9.3-p0/gems/watir-webdriver-0.4.1/lib/watir-webdriver/locators/element_locator.rb:209:in `normalize_selector'
from /Users/zeljko/.rvm/gems/ruby-1.9.3-p0/gems/watir-webdriver-0.4.1/lib/watir-webdriver/locators/element_locator.rb:191:in `block in normalized_selector'
from /Users/zeljko/.rvm/gems/ruby-1.9.3-p0/gems/watir-webdriver-0.4.1/lib/watir-webdriver/locators/element_locator.rb:188:in `each'
from /Users/zeljko/.rvm/gems/ruby-1.9.3-p0/gems/watir-webdriver-0.4.1/lib/watir-webdriver/locators/element_locator.rb:188:in `normalized_selector' …