--- /dev/null
+require "cases/helper"
+
+class ActiveSchemaTest < ActiveRecord::TestCase
+ def setup
+ ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
+ alias_method :execute_without_stub, :execute
+ def execute(sql, name = nil) return sql end
+ end
+ end
+
+ def teardown
+ ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
+ remove_method :execute
+ alias_method :execute, :execute_without_stub
+ end
+ end
+
+ def test_drop_table
+ assert_equal "DROP TABLE `people`", drop_table(:people)
+ end
+
+ if current_adapter?(:MysqlAdapter)
+ def test_create_mysql_database_with_encoding
+ assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8`", create_database(:matt)
+ assert_equal "CREATE DATABASE `aimonetti` DEFAULT CHARACTER SET `latin1`", create_database(:aimonetti, {:charset => 'latin1'})
+ assert_equal "CREATE DATABASE `matt_aimonetti` DEFAULT CHARACTER SET `big5` COLLATE `big5_chinese_ci`", create_database(:matt_aimonetti, {:charset => :big5, :collation => :big5_chinese_ci})
+ end
+
+ def test_recreate_mysql_database_with_encoding
+ create_database(:luca, {:charset => 'latin1'})
+ assert_equal "CREATE DATABASE `luca` DEFAULT CHARACTER SET `latin1`", recreate_database(:luca, {:charset => 'latin1'})
+ end
+ end
+
+ def test_add_column
+ assert_equal "ALTER TABLE `people` ADD `last_name` varchar(255)", add_column(:people, :last_name, :string)
+ end
+
+ def test_add_column_with_limit
+ assert_equal "ALTER TABLE `people` ADD `key` varchar(32)", add_column(:people, :key, :string, :limit => 32)
+ end
+
+ def test_drop_table_with_specific_database
+ assert_equal "DROP TABLE `otherdb`.`people`", drop_table('otherdb.people')
+ end
+
+ def test_add_timestamps
+ with_real_execute do
+ begin
+ ActiveRecord::Base.connection.create_table :delete_me do |t|
+ end
+ ActiveRecord::Base.connection.add_timestamps :delete_me
+ assert column_present?('delete_me', 'updated_at', 'datetime')
+ assert column_present?('delete_me', 'created_at', 'datetime')
+ ensure
+ ActiveRecord::Base.connection.drop_table :delete_me rescue nil
+ end
+ end
+ end
+
+ def test_remove_timestamps
+ with_real_execute do
+ begin
+ ActiveRecord::Base.connection.create_table :delete_me do |t|
+ t.timestamps
+ end
+ ActiveRecord::Base.connection.remove_timestamps :delete_me
+ assert !column_present?('delete_me', 'updated_at', 'datetime')
+ assert !column_present?('delete_me', 'created_at', 'datetime')
+ ensure
+ ActiveRecord::Base.connection.drop_table :delete_me rescue nil
+ end
+ end
+ end
+
+ private
+ def with_real_execute
+ #we need to actually modify some data, so we make execute point to the original method
+ ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
+ alias_method :execute_with_stub, :execute
+ alias_method :execute, :execute_without_stub
+ end
+ yield
+ ensure
+ #before finishing, we restore the alias to the mock-up method
+ ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
+ alias_method :execute, :execute_with_stub
+ end
+ end
+
+
+ def method_missing(method_symbol, *arguments)
+ ActiveRecord::Base.connection.send(method_symbol, *arguments)
+ end
+
+ def column_present?(table_name, column_name, type)
+ results = ActiveRecord::Base.connection.select_all("SHOW FIELDS FROM #{table_name} LIKE '#{column_name}'")
+ results.first && results.first['Type'] == type
+ end
+end