Test reconnection after MySQL client timeout. References #428.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6838 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/test/connection_test_firebird.rb

-require 'abstract_unit'
+require "#{File.dirname(__FILE__)}/abstract_unit"
 
-class ConnectionTest < Test::Unit::TestCase
+class FirebirdConnectionTest < Test::Unit::TestCase
   def test_charset_properly_set
     fb_conn = ActiveRecord::Base.connection.instance_variable_get(:@connection)
     assert_equal 'UTF8', fb_conn.database.character_set

activerecord/test/connection_test_mysql.rb

+require "#{File.dirname(__FILE__)}/abstract_unit"
+
+class MysqlConnectionTest < Test::Unit::TestCase
+  def setup
+    @connection = ActiveRecord::Base.connection
+  end
+
+  def test_no_automatic_reconnection_after_timeout
+    assert @connection.active?
+    @connection.update('set @@wait_timeout=1')
+    sleep 2
+    assert !@connection.active?
+  end
+
+  def test_successful_reconnection_after_timeout_with_manual_reconnect
+    assert @connection.active?
+    @connection.update('set @@wait_timeout=1')
+    sleep 2
+    @connection.reconnect!
+    assert @connection.active?
+  end
+
+  def test_successful_reconnection_after_timeout_with_verify
+    assert @connection.active?
+    @connection.update('set @@wait_timeout=1')
+    sleep 2
+    @connection.verify!(0)
+    assert @connection.active?
+  end
+end