teamcapybara--capybara/lib/capybara/rack_test/form.rb

114 lines
3.9 KiB
Ruby

# frozen_string_literal: true
class Capybara::RackTest::Form < Capybara::RackTest::Node
# This only needs to inherit from Rack::Test::UploadedFile because Rack::Test checks for
# the class specifically when determining whether to construct the request as multipart.
# That check should be based solely on the form element's 'enctype' attribute value,
# which should probably be provided to Rack::Test in its non-GET request methods.
class NilUploadedFile < Rack::Test::UploadedFile
def initialize
@empty_file = Tempfile.new("nil_uploaded_file")
@empty_file.close
end
def original_filename; ""; end
def content_type; "application/octet-stream"; end
def path; @empty_file.path; end
end
def params(button)
params = make_params
form_element_types=[:input, :select, :textarea]
form_elements_xpath=XPath.generate do |x|
xpath=x.descendant(*form_element_types).where(~x.attr(:form))
xpath=xpath.union(x.anywhere(*form_element_types).where(x.attr(:form) == native[:id])) if native[:id]
xpath.where(~x.attr(:disabled))
end.to_s
native.xpath(form_elements_xpath).map do |field|
case field.name
when 'input'
if %w(radio checkbox).include? field['type']
if field['checked']
node=Capybara::RackTest::Node.new(self.driver, field)
merge_param!(params, field['name'].to_s, node.value.to_s)
end
elsif %w(submit image).include? field['type']
# TO DO identify the click button here (in document order, rather
# than leaving until the end of the params)
elsif field['type'] =='file'
if multipart?
file = \
if (value = field['value']).to_s.empty?
NilUploadedFile.new
else
types = MIME::Types.type_for(value)
content_type = types.sort_by.with_index { |type, idx| [type.obsolete? ? 1 : 0, idx] }.first.to_s
Rack::Test::UploadedFile.new(value, content_type)
end
merge_param!(params, field['name'].to_s, file)
else
merge_param!(params, field['name'].to_s, File.basename(field['value'].to_s))
end
else
merge_param!(params, field['name'].to_s, field['value'].to_s)
end
when 'select'
if field['multiple'] == 'multiple'
options = field.xpath(".//option[@selected]")
options.each do |option|
merge_param!(params, field['name'].to_s, (option['value'] || option.text).to_s)
end
else
option = field.xpath(".//option[@selected]").first
option ||= field.xpath('.//option').first
merge_param!(params, field['name'].to_s, (option['value'] || option.text).to_s) if option
end
when 'textarea'
merge_param!(params, field['name'].to_s, field['_capybara_raw_value'].to_s.gsub(/\n/, "\r\n"))
end
end
merge_param!(params, button[:name], button[:value] || "") if button[:name]
params.to_params_hash
end
def submit(button)
action = (button && button['formaction']) || native['action']
method = (button && button['formmethod']) || request_method
driver.submit(method, action.to_s, params(button))
end
def multipart?
self[:enctype] == "multipart/form-data"
end
private
class ParamsHash < Hash
def to_params_hash
self
end
end
def request_method
self[:method] =~ /post/i ? :post : :get
end
def merge_param!(params, key, value)
if Rack::Utils.respond_to?(:default_query_parser)
Rack::Utils.default_query_parser.normalize_params(params, key, value, Rack::Utils.param_depth_limit)
else
Rack::Utils.normalize_params(params, key, value)
end
end
def make_params
if Rack::Utils.respond_to?(:default_query_parser)
Rack::Utils.default_query_parser.make_params
else
ParamsHash.new
end
end
end