update SSLSocket.open to match TCPSocket.open method signature

Author: thekuwayama

lib/openssl/ssl.rb

@@ -448,18 +448,28 @@ class << self
         #
         # Creates a new instance of SSLSocket.
         # _remote\_host_ and _remote_port_ are used to open TCPSocket.
-        # If _context_ is provided,
-        # the SSL Sockets initial params will be taken from the context.
         # If _local\_host_ and _local\_port_ are specified,
         # then those parameters are used on the local end to establish the connection.
+        # If _context_ is provided,
+        # the SSL Sockets initial params will be taken from the context.
         #
-        # === Example
-        #   ctx = OpenSSL::SSL::SSLContext.new
-        #   sock = OpenSSL::SSL::SSLSocket.open('localhost', 443, ctx)
+        # === Examples
+        #
+        #   sock = OpenSSL::SSL::SSLSocket.open('localhost', 443)
         #   sock.connect # Initiates a connection to localhost:443
-        def open(remote_host, remote_port, context=nil, local_host=nil, local_port=nil)
+        #
+        # with SSLContext:
+        #
+        #   ctx = OpenSSL::SSL::SSLContext.new
+        #   sock = OpenSSL::SSL::SSLSocket.open('localhost', 443, context: ctx)
+        #   sock.connect # Initiates a connection to localhost:443 with SSLContext
+        def open(remote_host, remote_port, local_host=nil, local_port=nil, context: nil)
           sock = ::TCPSocket.open(remote_host, remote_port, local_host, local_port)
-          OpenSSL::SSL::SSLSocket.new(sock, context)
+          if context.nil?
+            return OpenSSL::SSL::SSLSocket.new(sock)
+          else
+            return OpenSSL::SSL::SSLSocket.new(sock, context)
+          end
         end
       end
     end

test/test_ssl.rb

@@ -56,14 +56,45 @@ def test_ssl_with_server_cert
     }
   end
 
-  def test_ssl_socket_open
+  def test_socket_open
+    start_server { |port|
+      begin
+        ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port)
+        ssl.sync_close = true
+        ssl.connect
+
+        ssl.puts "abc"; assert_equal "abc\n", ssl.gets
+      ensure
+        ssl&.close
+      end
+    }
+  end
+
+  def test_socket_open_with_context
+    start_server { |port|
+      begin
+        ctx = OpenSSL::SSL::SSLContext.new
+        ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port, context: ctx)
+        ssl.sync_close = true
+        ssl.connect
+
+        assert_equal ssl.context, ctx
+        ssl.puts "abc"; assert_equal "abc\n", ssl.gets
+      ensure
+        ssl&.close
+      end
+    }
+  end
+
+  def test_socket_open_with_local_address_port_context
     start_server { |port|
       begin
         ctx = OpenSSL::SSL::SSLContext.new
-        ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port, ctx)
+        ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port, "127.0.0.1", 8000, context: ctx)
         ssl.sync_close = true
         ssl.connect
 
+        assert_equal ssl.context, ctx
         ssl.puts "abc"; assert_equal "abc\n", ssl.gets
       ensure
         ssl&.close