require 'tempfile' require 'rubygems' require 'rubygems/remote_fetcher' ## # A fake Gem::RemoteFetcher for use in tests or to avoid real live HTTP # requests when testing code that uses RubyGems. # # Example: # # @fetcher = Gem::FakeFetcher.new # @fetcher.data['http://gems.example.com/yaml'] = source_index.to_yaml # Gem::RemoteFetcher.fetcher = @fetcher # # # invoke RubyGems code # # paths = @fetcher.paths # assert_equal 'http://gems.example.com/yaml', paths.shift # assert paths.empty?, paths.join(', ') # # See RubyGems' tests for more examples of FakeFetcher. class Gem::FakeFetcher attr_reader :data attr_reader :last_request attr_accessor :paths def initialize @data = {} @paths = [] end def find_data(path) path = path.to_s @paths << path raise ArgumentError, 'need full URI' unless path =~ %r'^https?://' unless @data.key? path then raise Gem::RemoteFetcher::FetchError.new("no data for #{path}", path) end @data[path] end def fetch_path path, mtime = nil data = find_data(path) if data.respond_to?(:call) then data.call else if path.to_s =~ /gz$/ and not data.nil? and not data.empty? then data = Gem.gunzip data end data end end # Thanks, FakeWeb! def open_uri_or_path(path) data = find_data(path) body, code, msg = data response = Net::HTTPResponse.send(:response_class, code.to_s).new("1.0", code.to_s, msg) response.instance_variable_set(:@body, body) response.instance_variable_set(:@read, true) response end def request(uri, request_class, last_modified = nil) data = find_data(uri) body, code, msg = data @last_request = request_class.new uri.request_uri yield @last_request if block_given? response = Net::HTTPResponse.send(:response_class, code.to_s).new("1.0", code.to_s, msg) response.instance_variable_set(:@body, body) response.instance_variable_set(:@read, true) response end def fetch_size(path) path = path.to_s @paths << path raise ArgumentError, 'need full URI' unless path =~ %r'^http://' unless @data.key? path then raise Gem::RemoteFetcher::FetchError.new("no data for #{path}", path) end data = @data[path] data.respond_to?(:call) ? data.call : data.length end def download spec, source_uri, install_dir = Gem.dir name = File.basename spec.cache_file path = File.join install_dir, "cache", name Gem.ensure_gem_subdirectories install_dir if source_uri =~ /^http/ then File.open(path, "wb") do |f| f.write fetch_path(File.join(source_uri, "gems", name)) end else FileUtils.cp source_uri, path end path end def download_to_cache dependency found = Gem::SpecFetcher.fetcher.fetch dependency, true, true, dependency.prerelease? return if found.empty? spec, source_uri = found.first download spec, source_uri end end # :stopdoc: class Gem::RemoteFetcher def self.fetcher=(fetcher) @fetcher = fetcher end end # :startdoc: ## # A StringIO duck-typed class that uses Tempfile instead of String as the # backing store. # # This is available when rubygems/test_utilities is required. #-- # This class was added to flush out problems in Rubinius' IO implementation. class TempIO < Tempfile def initialize(string = '') super "TempIO" binmode write string rewind end def string flush Gem.read_binary path end end