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