support for running test againg MySQL/PostgreSQL using **adapter: jdbc**

Author: kares

rakelib/02-test.rake

@@ -105,6 +105,15 @@ test_task_for 'JNDI', :desc => 'Run tests against a JNDI connection (uses Derby)
   test_task.libs << 'jdbc-derby/lib'
 end
 
+test_task_for :MySQL, :name => 'test_jdbc_mysql',
+  :prereqs => 'db:mysql', :database_name => 'MySQL (using adapter: jdbc)' do |test_task|
+  test_task.ruby_opts << '-rdb/jdbc_mysql' # replaces require 'db/mysql'
+end
+test_task_for :PostgreSQL, :name => 'test_jdbc_postgresql', :driver => 'postgres',
+  :prereqs => 'db:postgresql', :database_name => 'PostgreSQL (using adapter: jdbc)' do |test_task|
+  test_task.ruby_opts << '-rdb/jdbc_postgres' # replaces require 'db/postgres'
+end
+
 # TODO Sybase testing is currently broken, please fix it if you're on Sybase :
 #test_task_for :Sybase, :desc => "Run tests against Sybase (using jTDS driver)"
 #task :test_sybase_jtds => :test_sybase # alias

test/db/jdbc_mysql.rb

@@ -4,11 +4,17 @@
 require 'jdbc/mysql' # driver not loaded for plain JDBC
 Jdbc::MySQL.load_driver
 
+url = MYSQL_CONFIG[:url] || begin
+  url_part = MYSQL_CONFIG[:host].dup
+  url_part << ":#{MYSQL_CONFIG[:port]}" if MYSQL_CONFIG[:port]
+  "jdbc:mysql://#{url_part}/#{MYSQL_CONFIG[:database]}"
+end
+
 ActiveRecord::Base.establish_connection({
-  :adapter => 'jdbc',
-  :driver => 'com.mysql.jdbc.Driver',
-  :url => "jdbc:mysql://#{MYSQL_CONFIG[:host]}/#{MYSQL_CONFIG[:database]}",
+  :adapter => 'jdbc', :url => url, :driver => 'com.mysql.jdbc.Driver',
   :username => MYSQL_CONFIG[:username],
   :password => MYSQL_CONFIG[:password],
   :prepared_statements => ENV['PREPARED_STATEMENTS'] || ENV['PS']
 })
+
+$LOADED_FEATURES << 'db/mysql.rb' # we're running MySQL tests that require this