JezK
Edit File: defaults_test.rb
require "cases/helper" require 'models/default' require 'models/entrant' class DefaultTest < ActiveRecord::TestCase def test_nil_defaults_for_not_null_columns column_defaults = if current_adapter?(:MysqlAdapter) && (Mysql.client_version < 50051 || (50100..50122).include?(Mysql.client_version)) { 'id' => nil, 'name' => '', 'course_id' => nil } else { 'id' => nil, 'name' => nil, 'course_id' => nil } end column_defaults.each do |name, default| column = Entrant.columns_hash[name] assert !column.null, "#{name} column should be NOT NULL" assert_equal default, column.default, "#{name} column should be DEFAULT #{default.inspect}" end end if current_adapter?(:PostgreSQLAdapter, :FirebirdAdapter, :OpenBaseAdapter, :OracleAdapter) def test_default_integers default = Default.new assert_instance_of Fixnum, default.positive_integer assert_equal 1, default.positive_integer assert_instance_of Fixnum, default.negative_integer assert_equal -1, default.negative_integer assert_instance_of BigDecimal, default.decimal_number assert_equal BigDecimal.new("2.78"), default.decimal_number end end if current_adapter?(:PostgreSQLAdapter) def test_multiline_default_text # older postgres versions represent the default with escapes ("\\012" for a newline) assert ( "--- []\n\n" == Default.columns_hash['multiline_default'].default || "--- []\\012\\012" == Default.columns_hash['multiline_default'].default) end end end if current_adapter?(:MysqlAdapter) class DefaultsTestWithoutTransactionalFixtures < ActiveRecord::TestCase # ActiveRecord::Base#create! (and #save and other related methods) will # open a new transaction. When in transactional fixtures mode, this will # cause ActiveRecord to create a new savepoint. However, since MySQL doesn't # support DDL transactions, creating a table will result in any created # savepoints to be automatically released. This in turn causes the savepoint # release code in AbstractAdapter#transaction to fail. # # We don't want that to happen, so we disable transactional fixtures here. self.use_transactional_fixtures = false # MySQL 5 and higher is quirky with not null text/blob columns. # With MySQL Text/blob columns cannot have defaults. If the column is not # null MySQL will report that the column has a null default # but it behaves as though the column had a default of '' def test_mysql_text_not_null_defaults klass = Class.new(ActiveRecord::Base) klass.table_name = 'test_mysql_text_not_null_defaults' klass.connection.create_table klass.table_name do |t| t.column :non_null_text, :text, :null => false t.column :non_null_blob, :blob, :null => false t.column :null_text, :text, :null => true t.column :null_blob, :blob, :null => true end assert_equal '', klass.columns_hash['non_null_blob'].default assert_equal '', klass.columns_hash['non_null_text'].default assert_equal nil, klass.columns_hash['null_blob'].default assert_equal nil, klass.columns_hash['null_text'].default assert_nothing_raised do instance = klass.create! assert_equal '', instance.non_null_text assert_equal '', instance.non_null_blob assert_nil instance.null_text assert_nil instance.null_blob end ensure klass.connection.drop_table(klass.table_name) rescue nil end # MySQL uses an implicit default 0 rather than NULL unless in strict mode. # We use an implicit NULL so schema.rb is compatible with other databases. def test_mysql_integer_not_null_defaults klass = Class.new(ActiveRecord::Base) klass.table_name = 'test_integer_not_null_default_zero' klass.connection.create_table klass.table_name do |t| t.column :zero, :integer, :null => false, :default => 0 t.column :omit, :integer, :null => false end assert_equal 0, klass.columns_hash['zero'].default assert !klass.columns_hash['zero'].null # 0 in MySQL 4, nil in 5. assert [0, nil].include?(klass.columns_hash['omit'].default) assert !klass.columns_hash['omit'].null assert_raise(ActiveRecord::StatementInvalid) { klass.create! } assert_nothing_raised do instance = klass.create!(:omit => 1) assert_equal 0, instance.zero assert_equal 1, instance.omit end ensure klass.connection.drop_table(klass.table_name) rescue nil end end end