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# This is borrowed (slightly modified) from Scott Taylor's
# project_path project:
# http://github.com/smtlaissezfaire/project_path
module RSpec
module Core
# @private
module RubyProject
def add_to_load_path(*dirs)
dirs.each { |dir| add_dir_to_load_path(File.join(root, dir)) }
end
def add_dir_to_load_path(dir)
$LOAD_PATH.unshift(dir) unless $LOAD_PATH.include?(dir)
end
def root
@project_root ||= determine_root
end
def determine_root
find_first_parent_containing('spec') || '.'
end
def find_first_parent_containing(dir)
ascend_until { |path| File.exist?(File.join(path, dir)) }
end
def ascend_until
fs = File::SEPARATOR
escaped_slash = "\\#{fs}"
special = "_RSPEC_ESCAPED_SLASH_"
project_path = File.expand_path(".")
parts = project_path.gsub(escaped_slash, special).squeeze(fs).split(fs).map do |x|
x.gsub(special, escaped_slash)
end
until parts.empty?
path = parts.join(fs)
path = fs if path == ""
return path if yield(path)
parts.pop
end
end
module_function :add_to_load_path
module_function :add_dir_to_load_path
module_function :root
module_function :determine_root
module_function :find_first_parent_containing
module_function :ascend_until
end
end
end
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