Froze rails gems
[depot.git] / vendor / rails / activerecord / test / cases / active_schema_test_mysql.rb
diff --git a/vendor/rails/activerecord/test/cases/active_schema_test_mysql.rb b/vendor/rails/activerecord/test/cases/active_schema_test_mysql.rb
new file mode 100644 (file)
index 0000000..9aff538
--- /dev/null
@@ -0,0 +1,100 @@
+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