teamcapybara--capybara/lib/capybara/spec/session/evaluate_script_spec.rb

38 lines
1.4 KiB
Ruby

# frozen_string_literal: true
Capybara::SpecHelper.spec '#evaluate_script', requires: [:js] do
it 'should evaluate the given script and return whatever it produces' do
@session.visit('/with_js')
expect(@session.evaluate_script('1+3')).to eq(4)
end
it 'should ignore leading whitespace' do
@session.visit('/with_js')
expect(@session.evaluate_script('
1 + 3
')).to eq(4)
end
it 'should pass arguments to the script', requires: %i[js es_args] do
@session.visit('/with_js')
expect(@session).to have_css('#change')
@session.evaluate_script("document.getElementById('change').textContent = arguments[0]", 'Doodle Funk')
expect(@session).to have_css('#change', text: 'Doodle Funk')
end
it 'should support passing elements as arguments to the script', requires: %i[js es_args] do
@session.visit('/with_js')
el = @session.find(:css, '#change')
@session.evaluate_script('arguments[0].textContent = arguments[1]', el, 'Doodle Funk')
expect(@session).to have_css('#change', text: 'Doodle Funk')
end
it 'should support returning elements', requires: %i[js es_args] do
@session.visit('/with_js')
@session.find(:css, '#change') # ensure page has loaded and element is available
el = @session.evaluate_script("document.getElementById('change')")
expect(el).to be_instance_of(Capybara::Node::Element)
expect(el).to eq(@session.find(:css, '#change'))
end
end