使用selenium 2,有没有办法测试元素是否陈旧?
假设我启动从一个页面到另一个页面的转换(A - > B).然后我选择元素X并测试它.假设元素X同时存在于A和B中.
间歇性地,在页面转换发生之前从A中选择X,并且在转到B之后不进行测试,引发StaleElementReferenceException.检查这种情况很容易:
try:
visit_B()
element = driver.find_element_by_id('X') # Whoops, we're still on A
element.click()
except StaleElementReferenceException:
element = driver.find_element_by_id('X') # Now we're on B
element.click()
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但我宁愿这样做:
element = driver.find_element_by_id('X') # Get the elment on A
visit_B()
WebDriverWait(element, 2).until(lambda element: is_stale(element))
element = driver.find_element_by_id('X') # Get element on B
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