From 34678e895a5a40da6f444199983fee3f8ce518ee Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Fri, 27 Dec 2013 02:43:24 -0800
Subject: added some network tests for stunnel

---
 bin/run_tests | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 84 insertions(+), 3 deletions(-)

(limited to 'bin/run_tests')

diff --git a/bin/run_tests b/bin/run_tests
index 8c5fb492..89fbdb24 100755
--- a/bin/run_tests
+++ b/bin/run_tests
@@ -93,18 +93,99 @@ class LeapTest < MiniTest::Unit::TestCase
     yield nil, nil, exc
   end
 
-  def assert_get(url, params=nil)
+  def assert_get(url, params=nil, options=nil)
+    options ||= {}
     get(url, params) do |body, response, error|
       if body
         yield body
       elsif response
-        fail "Expected a 200 status code from #{url}, but got #{response.code} instead."
+        fail ["Expected a 200 status code from #{url}, but got #{response.code} instead.", options[:error_msg]].compact.join("\n")
       else
-        fail "Expected a response from #{url}, but got \"#{error}\" instead."
+        fail ["Expected a response from #{url}, but got \"#{error}\" instead.", options[:error_msg]].compact.join("\n")
       end
     end
   end
 
+  #
+  # test if a socket can be connected to
+  #
+
+  #
+  # tcp connection helper with timeout
+  #
+  def try_tcp_connect(host, port, timeout = 5)
+    addr     = Socket.getaddrinfo(host, nil)
+    sockaddr = Socket.pack_sockaddr_in(port, addr[0][3])
+
+    Socket.new(Socket.const_get(addr[0][0]), Socket::SOCK_STREAM, 0).tap do |socket|
+      socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
+      begin
+        socket.connect_nonblock(sockaddr)
+      rescue IO::WaitReadable
+        if IO.select([socket], nil, nil, timeout) == nil
+          raise "Connection timeout"
+        else
+          socket.connect_nonblock(sockaddr)
+        end
+      rescue IO::WaitWritable
+        if IO.select(nil, [socket], nil, timeout) == nil
+          raise "Connection timeout"
+        else
+          socket.connect_nonblock(sockaddr)
+        end
+      end
+      return socket
+    end
+  end
+
+  def try_tcp_write(socket, timeout = 5)
+    begin
+      socket.write_nonblock("\0")
+    rescue IO::WaitReadable
+      if IO.select([socket], nil, nil, timeout) == nil
+        raise "Write timeout"
+      else
+        retry
+      end
+    rescue IO::WaitWritable
+      if IO.select(nil, [socket], nil, timeout) == nil
+        raise "Write timeout"
+      else
+        retry
+      end
+    end
+  end
+
+  def try_tcp_read(socket, timeout = 5)
+    begin
+      socket.read_nonblock(1)
+    rescue IO::WaitReadable
+      if IO.select([socket], nil, nil, timeout) == nil
+        raise "Read timeout"
+      else
+        retry
+      end
+    rescue IO::WaitWritable
+      if IO.select(nil, [socket], nil, timeout) == nil
+        raise "Read timeout"
+      else
+        retry
+      end
+    end
+  end
+
+  def assert_tcp_socket(host, port, msg=nil)
+    begin
+      socket = try_tcp_connect(host, port, 1)
+      #try_tcp_write(socket,1)
+      #try_tcp_read(socket,1)
+    rescue StandardError => exc
+      fail ["Failed to open socket #{host}:#{port}", exc].join("\n")
+    ensure
+      socket.close if socket
+    end
+  end
+
   #
   # Matches the regexp in the file, and returns the first matched string (or fails if no match).
   #
-- 
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