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) or current_adapter?(:Mysql2Adapter) 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 Active Record 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 def using_strict(strict) connection = ActiveRecord::Base.remove_connection ActiveRecord::Base.establish_connection connection.merge(strict: strict) yield ensure ActiveRecord::Base.remove_connection ActiveRecord::Base.establish_connection connection end # MySQL cannot have defaults on text/blob columns. It reports the # default value as null. # # Despite this, in non-strict mode, MySQL will use an empty string # as the default value of the field, if no other value is # specified. # # Therefore, in non-strict mode, we want column.default to report # an empty string as its default, to be consistent with that. # # In strict mode, column.default should be nil. def test_mysql_text_not_null_defaults_non_strict using_strict(false) do with_text_blob_not_null_table do |klass| assert_equal '', klass.columns_hash['non_null_blob'].default assert_equal '', klass.columns_hash['non_null_text'].default assert_nil klass.columns_hash['null_blob'].default assert_nil klass.columns_hash['null_text'].default 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 end end def test_mysql_text_not_null_defaults_strict using_strict(true) do with_text_blob_not_null_table do |klass| assert_nil klass.columns_hash['non_null_blob'].default assert_nil klass.columns_hash['non_null_text'].default assert_nil klass.columns_hash['null_blob'].default assert_nil klass.columns_hash['null_text'].default assert_raises(ActiveRecord::StatementInvalid) { klass.create } end end end def with_text_blob_not_null_table 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 yield klass 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 if current_adapter?(:PostgreSQLAdapter) class DefaultsUsingMultipleSchemasAndDomainTest < ActiveSupport::TestCase def setup @connection = ActiveRecord::Base.connection @old_search_path = @connection.schema_search_path @connection.schema_search_path = "schema_1, pg_catalog" @connection.create_table "defaults" do |t| t.text "text_col", :default => "some value" t.string "string_col", :default => "some value" end Default.reset_column_information end def test_text_defaults_in_new_schema_when_overriding_domain assert_equal "some value", Default.new.text_col, "Default of text column was not correctly parse" end def test_string_defaults_in_new_schema_when_overriding_domain assert_equal "some value", Default.new.string_col, "Default of string column was not correctly parse" end def test_bpchar_defaults_in_new_schema_when_overriding_domain @connection.execute "ALTER TABLE defaults ADD bpchar_col bpchar DEFAULT 'some value'" Default.reset_column_information assert_equal "some value", Default.new.bpchar_col, "Default of bpchar column was not correctly parse" end def test_text_defaults_after_updating_column_default @connection.execute "ALTER TABLE defaults ALTER COLUMN text_col SET DEFAULT 'some text'::schema_1.text" assert_equal "some text", Default.new.text_col, "Default of text column was not correctly parse after updating default using '::text' since postgreSQL will add parens to the default in db" end def teardown @connection.schema_search_path = @old_search_path Default.reset_column_information end end end