allow parser to close connection by passing a special flag

this works for http/1, where one can close the socket immediately.

lib/httpx/connection.rb

@@ -192,7 +192,6 @@ module HTTPX
     def close
       @parser.close if @parser
       @keep_alive_timer.cancel if @keep_alive_timer
-      transition(:closing)
     end
 
     def reset
@@ -321,8 +320,12 @@ module HTTPX
       parser.on(:origin) do |origin|
         @origins << origin
       end
-      parser.on(:close) do
+      parser.on(:close) do |force|
         transition(:closing)
+        if force
+          transition(:closed)
+          emit(:close)
+        end
       end
       parser.on(:reset) do
         if parser.empty?

lib/httpx/connection/http1.rb

@@ -30,7 +30,7 @@ module HTTPX
 
     def close
       reset
-      emit(:close)
+      emit(:close, true)
     end
 
     def exhausted?

lib/httpx/connection/http2.rb

@@ -36,6 +36,7 @@ module HTTPX
 
     def close
       @connection.goaway unless @connection.state == :closed
+      emit(:close)
     end
 
     def empty?
@@ -219,7 +220,6 @@ module HTTPX
       return unless @streams.empty? && exhausted?
 
       close
-      emit(:close)
       emit(:exhausted) unless @pending.empty?
     end
 

test/support/requests/get.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "time"
+
 module Requests
   module Get
     def test_http_get