#公有方法：
(1)current_frame_contains(self, text, loglevel='INFO')
(2)current_frame_should_not_contain(self, text, loglevel='INFO')
(3)element_should_contain(self, locator, expected, message='')
(4)frame_should_contain(self, locator, text, loglevel='INFO')
(5)page_should_contain(self, text, loglevel='INFO')
(6)page_should_contain_element(self, locator, message='', loglevel='INFO')
(7)locator_should_match_x_times(self, locator, expected_locator_count, message='', loglevel='INFO')
(8)page_should_not_contain(self, text, loglevel='INFO')
(9)page_should_not_contain_element(self, locator, message='', loglevel='INFO')
(10)assign_id_to_element(self, locator, id)
(11)element_should_be_disabled(self, locator)
(12)element_should_be_enabled(self, locator)
(13)element_should_be_visible(self, locator, message='')
(14)element_should_not_be_visible(self, locator, message='')
(15)element_text_should_be(self, locator, expected, message='')
(16)get_element_attribute(self, attribute_locator)
(17)get_horizontal_position(self, locator)
(18)get_value(self, locator)
(19)get_text(self, locator)
(20)clear_element_text(self, locator)
(21)get_vertical_position(self, locator)
# Public, mouse input/events
(22)click_element(self, locator)
(23)click_element_at_coordinates(self, locator, xoffset, yoffset)
(24)double_click_element(self, locator)
(25)focus(self, locator)
(26)drag_and_drop(self, source, target)
(27)drag_and_drop_by_offset(self, source, xoffset, yoffset)
(28)mouse_down(self, locator)
(29)mouse_out(self, locator)
(30)mouse_over(self, locator)
(31)mouse_up(self, locator)
(32)open_context_menu(self, locator)
(33)simulate(self, locator, event)
(34)press_key(self, locator, key)
# Public, links
(35)click_link(self, locator)
(36)get_all_links(self)
(37)mouse_down_on_link(self, locator)
(38)page_should_contain_link(self, locator, message='', loglevel='INFO')
(39)page_should_not_contain_link(self, locator, message='', loglevel='INFO')
# Public, images
(40)click_image(self, locator)
(41)mouse_down_on_image(self, locator)
(42)page_should_contain_image(self, locator, message='', loglevel='INFO')
(43)page_should_not_contain_image(self, locator, message='', loglevel='INFO')
(44)get_matching_xpath_count(self, xpath)
(45)xpath_should_match_x_times(self, xpath, expected_xpath_count, message='', loglevel='INFO')
# Private
(46)_element_find(self, locator, first_only, required, tag=None)
返回匹配上的首个元素
(47)_frame_contains(self, locator, text)
(48)_get_text(self, locator)
返回元素的text
(49)_get_value(self, locator, tag=None)
返回元素的value值
(50)_is_enabled(self, locator)
判断元素是否为激活状态
(51)_is_text_present(self, text)
(52)_is_visible(self, locator)
判断元素是否可见
(53)_map_ascii_key_code_to_key(self, key_code)
通过key_code返回对应的key
(54)_parse_attribute_locator(self, attribute_locator)
(55)_is_element_present(self, locator, tag=None)
返回元素是否存在
(56)_page_contains(self, text)
(57)_page_should_contain_element(self, locator, tag, message, loglevel)
(58)_page_should_not_contain_element(self, locator, tag, message, loglevel)
