teamcapybara--capybara/lib/capybara/selenium/extensions/find.rb

111 lines
3.7 KiB
Ruby

# frozen_string_literal: true
module Capybara
module Selenium
module Find
def find_xpath(selector, uses_visibility: false, styles: nil, position: false, **_options)
find_by(:xpath, selector, uses_visibility: uses_visibility, texts: [], styles: styles, position: position)
end
def find_css(selector, uses_visibility: false, texts: [], styles: nil, position: false, **_options)
find_by(:css, selector, uses_visibility: uses_visibility, texts: texts, styles: styles, position: position)
end
private
def find_by(format, selector, uses_visibility:, texts:, styles:, position:)
els = find_context.find_elements(format, selector)
hints = []
if (els.size > 2) && !ENV['DISABLE_CAPYBARA_SELENIUM_OPTIMIZATIONS']
els = filter_by_text(els, texts) unless texts.empty?
hints = gather_hints(els, uses_visibility: uses_visibility, styles: styles, position: position)
end
els.map.with_index { |el, idx| build_node(el, hints[idx] || {}) }
end
def gather_hints(elements, uses_visibility:, styles:, position:)
hints_js, functions = build_hints_js(uses_visibility, styles, position)
return [] unless functions.any?
(es_context.execute_script(hints_js, elements) || []).map! do |results|
hint = {}
hint[:style] = results.pop if functions.include?(:style_func)
hint[:position] = results.pop if functions.include?(:position_func)
hint[:visible] = results.pop if functions.include?(:vis_func)
hint
end
rescue ::Selenium::WebDriver::Error::StaleElementReferenceError,
::Capybara::NotSupportedByDriverError
# warn 'Unexpected Stale Element Error - skipping optimization'
[]
end
def filter_by_text(elements, texts)
es_context.execute_script <<~JS, elements, texts
var texts = arguments[1];
return arguments[0].filter(function(el){
var content = el.textContent.toLowerCase();
return texts.every(function(txt){ return content.indexOf(txt.toLowerCase()) != -1 });
})
JS
end
def build_hints_js(uses_visibility, styles, position)
functions = []
hints_js = +''
if uses_visibility && !is_displayed_atom.empty?
hints_js << <<~VISIBILITY_JS
var vis_func = #{is_displayed_atom};
VISIBILITY_JS
functions << :vis_func
end
if position
hints_js << <<~POSITION_JS
var position_func = function(el){
return el.getBoundingClientRect();
};
POSITION_JS
functions << :position_func
end
if styles.is_a? Hash
hints_js << <<~STYLE_JS
var style_func = function(el){
var el_styles = window.getComputedStyle(el);
return #{styles.keys.map(&:to_s)}.reduce(function(res, style){
res[style] = el_styles[style];
return res;
}, {});
};
STYLE_JS
functions << :style_func
end
hints_js << <<~EACH_JS
return arguments[0].map(function(el){
return [#{functions.join(',')}].map(function(fn){ return fn.call(null, el) });
});
EACH_JS
[hints_js, functions]
end
def es_context
respond_to?(:execute_script) ? self : driver
end
def is_displayed_atom # rubocop:disable Naming/PredicateName
@@is_displayed_atom ||= begin # rubocop:disable Style/ClassVars
browser.send(:bridge).send(:read_atom, 'isDisplayed')
rescue StandardError
# If the atom doesn't exist or other error
''
end
end
end
end
end