84 lines
1.6 KiB
Ruby
84 lines
1.6 KiB
Ruby
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require 'capybara'
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require 'capybara/dsl'
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require 'capybara/poltergeist'
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require 'singleton'
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require 'socket'
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# Adapted from code by Jon Leighton
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# https://github.com/jonleighton/focused_controller/blob/ec7ccf1/test/acceptance/app_test.rb
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Capybara.run_server = false
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Capybara.default_driver = :poltergeist
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class DummyApp
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def initialize(environment)
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@environment = environment
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end
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def url
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"http://#{localhost}:#{port}"
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end
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def within_app(&block)
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Dir.chdir(root, &block)
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end
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def start_server
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within_app do
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IO.popen("bundle exec rails s -e #{@environment} -p #{port} 2>&1") do |out|
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start = Time.now
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started = false
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output = ""
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timeout = 60.0
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while !started && !out.eof? && Time.now - start <= timeout
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output << read_output(out)
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sleep 0.1
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begin
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TCPSocket.new(localhost, port)
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rescue Errno::ECONNREFUSED
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else
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started = true
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end
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end
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raise "Server failed to start:\n#{output}" unless started
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yield
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Process.kill('KILL', out.pid)
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end
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end
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end
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private
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def root
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File.expand_path('../../dummy', __FILE__)
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end
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def localhost
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'127.0.0.1'
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end
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def port
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@port ||= begin
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server = TCPServer.new(localhost, 0)
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port = server.addr[1]
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ensure
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server.close if server
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end
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end
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def read_output(stream)
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read = IO.select([stream], [], [stream], 0.1)
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output = ""
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loop { output << stream.read_nonblock(1024) } if read
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output
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rescue Errno::EAGAIN, Errno::EWOULDBLOCK, EOFError
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output
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end
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end
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