require 'cases/helper' require 'models/book' class EnumTest < ActiveRecord::TestCase fixtures :books setup do @book = books(:awdr) end test "query state by predicate" do assert @book.proposed? assert_not @book.written? assert_not @book.published? assert @book.unread? end test "query state with strings" do assert_equal "proposed", @book.status assert_equal "unread", @book.read_status end test "find via scope" do assert_equal @book, Book.proposed.first assert_equal @book, Book.unread.first end test "update by declaration" do @book.written! assert @book.written? end test "update by setter" do @book.update! status: :written assert @book.written? end test "enum methods are overwritable" do assert_equal "do publish work...", @book.published! assert @book.published? end test "direct assignment" do @book.status = :written assert @book.written? end test "assign string value" do @book.status = "written" assert @book.written? end test "assign non existing value raises an error" do e = assert_raises(ArgumentError) do @book.status = :unknown end assert_equal "'unknown' is not a valid status", e.message end test "assign nil value" do @book.status = nil assert @book.status.nil? end test "assign empty string value" do @book.status = '' assert @book.status.nil? end test "assign long empty string value" do @book.status = ' ' assert @book.status.nil? end test "constant to access the mapping" do assert_equal 0, Book::STATUS[:proposed] assert_equal 1, Book::STATUS["written"] assert_equal 2, Book::STATUS[:published] end test "building new objects with enum scopes" do assert Book.written.build.written? assert Book.read.build.read? end test "creating new objects with enum scopes" do assert Book.written.create.written? assert Book.read.create.read? end end