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) { '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?(:MysqlAdapter) # 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 if current_adapter?(:PostgreSQLAdapter, :SQLServerAdapter, :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