/usr/lib/ruby/vendor_ruby/capybara/helpers.rb is in ruby-capybara 2.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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module Capybara
# @api private
module Helpers
extend self
##
#
# Normalizes whitespace space by stripping leading and trailing
# whitespace and replacing sequences of whitespace characters
# with a single space.
#
# @param [String] text Text to normalize
# @return [String] Normalized text
#
def normalize_whitespace(text)
text.to_s.gsub(/[[:space:]]+/, ' ').strip
end
##
#
# Escapes any characters that would have special meaning in a regexp
# if text is not a regexp
#
# @param [String] text Text to escape
# @return [String] Escaped text
#
def to_regexp(text)
text.is_a?(Regexp) ? text : Regexp.new(Regexp.escape(normalize_whitespace(text)))
end
##
#
# Injects a `<base>` tag into the given HTML code, pointing to
# `Capybara.asset_host`.
#
# @param [String] html HTML code to inject into
# @return [String] The modified HTML code
#
def inject_asset_host(html)
if Capybara.asset_host
if Nokogiri::HTML(html).css("base").empty? and match = html.match(/<head[^<]*?>/)
html.clone.insert match.end(0), "<base href='#{Capybara.asset_host}' />"
end
else
html
end
end
##
#
# Checks if the given count matches the given count options. By default,
# when no options are given, count should be larger than zero.
#
# @param [Integer] count The actual number. Should be coercible via Integer()
# @option [Range] between Count must be within the given range
# @option [Integer] count Count must be exactly this
# @option [Integer] maximum Count must be smaller than or equal to this value
# @option [Integer] minimum Count must be larger than or equal to this value
#
def matches_count?(count, options={})
case
when options[:between]
options[:between] === count
when options[:count]
Integer(options[:count]) == count
when options[:maximum]
Integer(options[:maximum]) >= count
when options[:minimum]
Integer(options[:minimum]) <= count
else
count > 0
end
end
##
#
# Generates a failure message given a description of the query and count
# options.
#
# @param [String] description Description of a query
# @option [Range] between Count should have been within the given range
# @option [Integer] count Count should have been exactly this
# @option [Integer] maximum Count should have been smaller than or equal to this value
# @option [Integer] minimum Count should have been larger than or equal to this value
#
def failure_message(description, options={})
message = "expected to find #{description}"
if options[:count]
message << " #{options[:count]} #{declension('time', 'times', options[:count])}"
elsif options[:between]
message << " between #{options[:between].first} and #{options[:between].last} times"
elsif options[:maximum]
message << " at most #{options[:maximum]} #{declension('time', 'times', options[:maximum])}"
elsif options[:minimum]
message << " at least #{options[:minimum]} #{declension('time', 'times', options[:minimum])}"
end
message
end
##
#
# A poor man's `pluralize`. Given two declensions, one singular and one
# plural, as well as a count, this will pick the correct declension. This
# way we can generate gramatically correct error message.
#
# @param [String] singular The singular form of the word
# @param [String] plural The plural form of the word
# @param [Integer] count The number of items
#
def declension(singular, plural, count)
if count == 1
singular
else
plural
end
end
end
end
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