JezK
Edit File: test_update_manager.rb
require 'helper' module Arel describe 'update manager' do describe 'new' do it 'takes an engine' do Arel::UpdateManager.new Table.engine end end it 'handles limit properly' do table = Table.new(:users) um = Arel::UpdateManager.new Table.engine um.take 10 um.table table um.set [[table[:name], nil]] assert_match(/LIMIT 10/, um.to_sql) end describe 'set' do it "updates with null" do table = Table.new(:users) um = Arel::UpdateManager.new Table.engine um.table table um.set [[table[:name], nil]] um.to_sql.must_be_like %{ UPDATE "users" SET "name" = NULL } end it 'takes a string' do table = Table.new(:users) um = Arel::UpdateManager.new Table.engine um.table table um.set Nodes::SqlLiteral.new "foo = bar" um.to_sql.must_be_like %{ UPDATE "users" SET foo = bar } end it 'takes a list of lists' do table = Table.new(:users) um = Arel::UpdateManager.new Table.engine um.table table um.set [[table[:id], 1], [table[:name], 'hello']] um.to_sql.must_be_like %{ UPDATE "users" SET "id" = 1, "name" = 'hello' } end it 'chains' do table = Table.new(:users) um = Arel::UpdateManager.new Table.engine um.set([[table[:id], 1], [table[:name], 'hello']]).must_equal um end end describe 'table' do it 'generates an update statement' do um = Arel::UpdateManager.new Table.engine um.table Table.new(:users) um.to_sql.must_be_like %{ UPDATE "users" } end it 'chains' do um = Arel::UpdateManager.new Table.engine um.table(Table.new(:users)).must_equal um end it 'generates an update statement with joins' do um = Arel::UpdateManager.new Table.engine table = Table.new(:users) join_source = Arel::Nodes::JoinSource.new( table, [table.create_join(Table.new(:posts))] ) um.table join_source um.to_sql.must_be_like %{ UPDATE "users" INNER JOIN "posts" } end end describe 'where' do it 'generates a where clause' do table = Table.new :users um = Arel::UpdateManager.new Table.engine um.table table um.where table[:id].eq(1) um.to_sql.must_be_like %{ UPDATE "users" WHERE "users"."id" = 1 } end it 'chains' do table = Table.new :users um = Arel::UpdateManager.new Table.engine um.table table um.where(table[:id].eq(1)).must_equal um end end describe 'key' do before do @table = Table.new :users @um = Arel::UpdateManager.new Table.engine @um.key = @table[:foo] end it 'can be set' do @um.ast.key.must_equal @table[:foo] end it 'can be accessed' do @um.key.must_equal @table[:foo] end end end end