mirror of
https://github.com/thoughtbot/capybara-webkit
synced 2023-03-27 23:22:28 -04:00
151 lines
3.8 KiB
Ruby
151 lines
3.8 KiB
Ruby
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require "spec_helper"
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require "capybara/webkit/server"
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describe Capybara::Webkit::Connection do
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it "ensures the process ends", skip_on_windows: true, skip_on_jruby: true do
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read_io, write_io = IO.pipe
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fork_pid = fork do
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read_io.close
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server = start_server
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write_io.write(server.pid)
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write_io.close
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Process.wait(server.pid)
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end
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write_io.close
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webkit_pid = read_io.read.to_i
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webkit_pid.should be > 1
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read_io.close
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Process.kill(9, fork_pid)
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eventually do
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expect { Process.getpgid(webkit_pid) }.to raise_error Errno::ESRCH
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end
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end
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it "raises an error if the server has stopped", skip_on_windows: true do
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path = "false"
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stub_const("Capybara::Webkit::Server::SERVER_PATH", path)
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expect { start_server }.
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to raise_error(
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Capybara::Webkit::ConnectionError,
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"#{path} failed to start.")
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end
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it "raises an error if the server is not ready", skip_on_windows: true do
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server_path = "sleep 1"
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stub_const("Capybara::Webkit::Server::SERVER_PATH", server_path)
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start_timeout = 0.5
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stub_const(
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"Capybara::Webkit::Server::WEBKIT_SERVER_START_TIMEOUT",
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start_timeout,
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)
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error_string =
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if defined?(::JRUBY_VERSION)
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"#{server_path} failed to start."
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else
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"#{server_path} failed to start after #{start_timeout} seconds."
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end
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expect { start_server }.
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to raise_error(Capybara::Webkit::ConnectionError, error_string)
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end
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it "boots a server to talk to" do
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url = "http://#{@rack_server.host}:#{@rack_server.port}/"
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server = start_server
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socket = connect_to(server)
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socket.puts "Visit"
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socket.puts 1
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socket.puts url.to_s.bytesize
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socket.print url
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socket.gets.should eq "ok\n"
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socket.gets.should eq "0\n"
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socket.puts "Body"
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socket.puts 0
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socket.gets.should eq "ok\n"
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response_length = socket.gets.to_i
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response = socket.read(response_length)
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response.should include("Hey there")
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end
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it "forwards stderr to the given IO object" do
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read_io, write_io = IO.pipe
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server = start_server(stderr: write_io)
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socket = connect_to(server)
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socket.puts "EnableLogging"
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socket.puts 0
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script = "console.log('hello world')"
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socket.puts "Execute"
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socket.puts 1
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socket.puts script.to_s.bytesize
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socket.print script
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expect(read_io).to include_response "\nhello world"
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end
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it "does not forward stderr to nil" do
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IO.should_not_receive(:copy_stream)
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start_server(stderr: nil)
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end
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it "prints a deprecation warning if the stdout option is used" do
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Capybara::Webkit::Server.any_instance.should_receive(:warn)
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start_server(stdout: nil)
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end
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it "does not forward stdout to nil if the stdout option is used" do
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Capybara::Webkit::Server.any_instance.stub(:warn)
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IO.should_not_receive(:copy_stream)
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start_server(stdout: nil)
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end
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it "returns the server port" do
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start_server.port.should be_between 0x400, 0xffff
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end
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it "chooses a new port number for a new connection" do
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start_server.port.should_not == start_server.port
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end
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before(:all) do
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@app = lambda do |_|
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body = "<html><body>Hey there</body></html>"
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[
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200,
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{ "Content-Type" => "text/html", "Content-Length" => body.size.to_s },
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[body],
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]
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end
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@rack_server = Capybara::Server.new(@app)
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@rack_server.boot
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end
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def start_server(options = {})
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Capybara::Webkit::Server.new(options).tap(&:start)
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end
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def connect_to(server)
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TCPSocket.open("127.0.0.1", server.port)
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end
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def eventually
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polling_interval = 0.1
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time_limit = Time.now + 3
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loop do
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begin
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yield
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return
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rescue RSpec::Expectations::ExpectationNotMetError => error
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raise error if Time.now >= time_limit
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sleep polling_interval
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end
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end
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end
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end
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