JezK
Edit File: pseudo_io_spec.rb
require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper') require 'stringio' require 'phusion_passenger/message_channel' module PhusionPassenger shared_examples_for "a pseudo stderr created by #report_app_init_status" do before :each do @sink = StringIO.new @temp_channel = MessageChannel.new(StringIO.new) end after :each do File.unlink("output.tmp") rescue nil end it "redirects everything written to the pseudo STDERR/$stderr to the sink" do report_app_init_status(@temp_channel, @sink) do STDERR.puts "Something went wrong!" $stderr.puts "Something went wrong again!" raise StandardError, ":-(" if @raise_error end @sink.string.should =~ /Something went wrong!/ @sink.string.should =~ /Something went wrong again!/ end it "redirects reopen operations on the pseudo stderr to the sink" do @sink.should_receive(:reopen).with("output.tmp", "w") report_app_init_status(@temp_channel, @sink) do STDERR.reopen("output.tmp", "w") raise StandardError, ":-(" if @raise_error end end specify "after the function has finished, every operation on the old pseudo stderr object will still be redirected to the sink" do pseudo_stderr = nil report_app_init_status(@temp_channel, @sink) do pseudo_stderr = STDERR raise StandardError, ":-(" if @raise_error end pseudo_stderr.puts "hello world" @sink.string.should =~ /hello world/ @sink.should_receive(:reopen).with("output.tmp", "w") pseudo_stderr.reopen("output.tmp", "w") end specify "after the function has finished, every output operation on the old pseudo stderr object will not be buffered" do pseudo_stderr = nil report_app_init_status(@temp_channel, @sink) do pseudo_stderr = STDERR pseudo_stderr.instance_variable_get(:@buffer).should_not be_nil raise StandardError, ":-(" if @raise_error end pseudo_stderr.instance_variable_get(:@buffer).should be_nil end end end # module PhusionPassenger