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require File.dirname(__FILE__) + '/../spec_helper'
describe Server, "HTTP pipelining" do
before do
calls = 0
start_server do |env|
calls += 1
body = env['PATH_INFO'] + '-' + calls.to_s
[200, { 'Content-Type' => 'text/html' }, body]
end
@server.maximum_persistent_connections = 1024
end
it "should pipeline request on same socket" do
socket = TCPSocket.new('0.0.0.0', 3333)
socket.write "GET /first HTTP/1.1\r\nConnection: keep-alive\r\n\r\n"
socket.flush
socket.write "GET /second HTTP/1.1\r\nConnection: close\r\n\r\n"
socket.flush
response = socket.read
socket.close
wait_for_requests_to_complete!
response.should include('/first-1', '/second-2')
end
it "should pipeline requests by default on HTTP 1.1" do
socket = TCPSocket.new('0.0.0.0', 3333)
socket.write "GET /first HTTP/1.1\r\n\r\n"
socket.flush
socket.write "GET /second HTTP/1.1\r\nConnection: close\r\n\r\n"
socket.flush
response = socket.read
socket.close
wait_for_requests_to_complete!
response.should include('/first-1', '/second-2')
end
it "should not pipeline request by default on HTTP 1.0" do
socket = TCPSocket.new('0.0.0.0', 3333)
socket.write "GET /first HTTP/1.0\r\n\r\n"
socket.flush
socket.write "GET /second HTTP/1.0\r\nConnection: close\r\n\r\n"
response = socket.read
socket.close
wait_for_requests_to_complete!
response.should include('/first-1')
response.should_not include('/second-2')
end
it "should not pipeline request on same socket when connection is closed" do
socket = TCPSocket.new('0.0.0.0', 3333)
socket.write "GET /first HTTP/1.1\r\nConnection: close\r\n\r\n"
socket.flush
socket.write "GET /second HTTP/1.1\r\nConnection: close\r\n\r\n"
response = socket.read
socket.close
wait_for_requests_to_complete!
response.should include('/first-1')
response.should_not include('/second-2')
end
it "should not allow more persistent connection then maximum" do
@server.maximum_persistent_connections = 1
socket1 = TCPSocket.new('0.0.0.0', 3333)
socket1.write "GET / HTTP/1.1\r\n\r\n"
socket1.flush
socket2 = TCPSocket.new('0.0.0.0', 3333)
socket2.write "GET / HTTP/1.1\r\n\r\n"
socket2.flush
@server.backend.persistent_connection_count.should == 1
@server.backend.size.should == 2
socket1.close
socket2.close
end
it "should decrement persistent connection on close" do
socket = TCPSocket.new('0.0.0.0', 3333)
socket.write "GET / HTTP/1.1\r\n\r\n"
socket.flush
@server.backend.persistent_connection_count.should == 1
socket.write "GET / HTTP/1.1\r\nConnection: close\r\n\r\n"
socket.close
wait_for_requests_to_complete!
@server.backend.persistent_connection_count.should == 0
end
after do
stop_server
end
private
def wait_for_requests_to_complete!
sleep 0.1 until @server.backend.size == 0
end
end
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