Allow tests to run with either the native Ruby or C based Mysql#async_query

ext/mysql.c

@@ -756,13 +756,32 @@ static VALUE socket(VALUE obj)
     return INT2NUM(m->net.fd);
 }
 
-/* send_query(sql,timeout=nil) */
-static VALUE send_query(int argc, VALUE* argv, VALUE obj)
+/* readable(timeout=nil) */
+static VALUE readable( int argc, VALUE* argv, VALUE obj )
 {
     MYSQL* m = GetHandler(obj);
-    VALUE sql, timeout;  
 
-    rb_scan_args(argc, argv, "11", &sql, &timeout);
+    VALUE timeout;  
+
+    rb_scan_args(argc, argv, "01", &timeout);
+
+    if ( NIL_P( timeout ) ){
+      timeout = m->net.read_timeout;
+    }
+
+    if( vio_poll_read( m->net.vio, INT2NUM(timeout) ) == 0 ){
+      rb_warn( "Socket readable" );
+      return Qtrue;
+    }else{
+      rb_warn( "Socket not readable" );
+      return Qfalse;
+    }
+}
+
+/* send_query(sql) */
+static VALUE send_query(VALUE obj, VALUE sql)
+{
+    MYSQL* m = GetHandler(obj);
 
     Check_Type(sql, T_STRING);
     if (GetMysqlStruct(obj)->connection == Qfalse) {
@@ -789,17 +808,17 @@ static VALUE get_result(VALUE obj)
     return store_result(obj);
 }
 
-/* async_query */
-/*
-comment it out until I figure out how it works
-static VALUE async_query(VALUE obj, VALUE sql)
+/* async_query(sql,timeout=nil) */
+static VALUE async_query(int argc, VALUE* argv, VALUE obj)
 {
+  VALUE sql, timeout;  
+
+  rb_scan_args(argc, argv, "11", &sql, &timeout);
+
   send_query(obj,sql);
 	rb_io_wait_readable(socket(obj));
   return get_result(obj);
 }
-*/
-
 
 #if MYSQL_VERSION_ID >= 40100
 /*	server_version()	*/
@@ -2090,9 +2109,10 @@ void Init_mysql(void)
 #endif
     rb_define_method(cMysql, "query", query, 1);
     rb_define_method(cMysql, "real_query", query, 1);
-    /*rb_define_method(cMysql, "async_query", async_query, 1);*/
-    rb_define_method(cMysql, "send_query", send_query, -1);
+    rb_define_method(cMysql, "async_query", async_query, -1);
+    rb_define_method(cMysql, "send_query", send_query, 1);
     rb_define_method(cMysql, "get_result", get_result, 0);
+    rb_define_method(cMysql, "readable?", readable, -1);
     rb_define_method(cMysql, "socket", socket, 0);
     rb_define_method(cMysql, "refresh", refresh, 1);
     rb_define_method(cMysql, "reload", reload, 0);

lib/mysqlplus.rb

@@ -1,11 +1,15 @@
 require 'mysql'
 
 class Mysql
-  def async_query(sql)
+  alias_method :c_async_query, :async_query
+
+  def async_query(sql, timeout = nil)
+    c_async_query(sql, timeout) if ENV['MYSQL_C_ASYNC_QUERY'] == '1'
     send_query(sql)
     select [ (@sockets ||= {})[socket] ||= IO.new(socket) ], nil, nil, nil
     get_result
   end
+  
 end
 
 class Mysql::Result

test/evented_test.rb

@@ -1,6 +1,12 @@
 require File.dirname(__FILE__) + '/test_helper'
 
 EventedMysqlTest.new( 10 ) do |test|
-  test.setup{ Mysql.real_connect('localhost','root') }
+  test.setup{ Mysql.real_connect('localhost','root','3421260') }
+  test.run!
+end
+
+EventedMysqlTest.new( 10 ) do |test|
+  test.setup{ Mysql.real_connect('localhost','root','3421260') }
+  test.c_async_query = true
   test.run!
 end

test/test_helper.rb

@@ -10,11 +10,13 @@ class MysqlTest
                 :connections,
                 :connection_signature,
                 :start,
-                :done
+                :done,
+                :c_async_query
   
   def initialize( queries )
     @queries = queries
     @done = []
+    @c_async_query = false
     yield self if block_given?
   end
   
@@ -24,7 +26,10 @@ class MysqlTest
   end
   
   def run!
-    raise NotImplemented
+    c_or_native_ruby_async_query do
+      prepare
+      yield
+    end  
   end
   
   def prepare
@@ -49,6 +54,19 @@ class MysqlTest
     Time.now - @start
   end
   
+  protected
+  
+  def c_or_native_ruby_async_query
+    if @c_async_query
+      ENV['MYSQL_C_ASYNC_QUERY'] = '1'
+      log "** using C based async_query"
+    else
+      ENV['MYSQL_C_ASYNC_QUERY'] = '0'
+      log "** using native Ruby async_query"
+    end
+    yield
+  end
+  
 end
 
 class EventedMysqlTest < MysqlTest
@@ -73,15 +91,19 @@ class EventedMysqlTest < MysqlTest
   end
   
   def run!
-    prepare
-    
+    super do
+      catch :END_EVENT_LOOP do
         loop do
           result = select( @sockets,nil,nil,nil )
           if result
             result.first.each do |conn|
               @connections[conn].get_result.each{|res| log( "Result for socket #{conn.fileno} : #{res}" ) }
               @done << nil
-          teardown if done?
+              if done?
+                teardown
+              end  
+            end 
+          end
         end    
       end
     end
@@ -95,7 +117,7 @@ class EventedMysqlTest < MysqlTest
   
   def teardown
     log "done"
-    exit
+    throw :END_EVENT_LOOP
   end
   
   protected
@@ -126,12 +148,12 @@ class ThreadedMysqlTest < MysqlTest
   end
   
   def run!
-    prepare
-    
+    super do
       with_logging "waiting on threads" do
         @threads.each{|t| t.join }
       end
     end  
+  end 
   
   def prepare
     with_logging "prepare" do

test/threaded_test.rb

@@ -1,6 +1,12 @@
 require File.dirname(__FILE__) + '/test_helper'
 
 ThreadedMysqlTest.new( 10 ) do |test|
-  test.setup{ Mysql.real_connect('localhost','root') }
+  test.setup{ Mysql.real_connect('localhost','root','3421260') }
+  test.run!
+end
+
+ThreadedMysqlTest.new( 10 ) do |test|
+  test.setup{ Mysql.real_connect('localhost','root','3421260') }
+  test.c_async_query = true
   test.run!
 end