From 73b86ac58b61b4c7b888962252a1a86dffb24081 Mon Sep 17 00:00:00 2001 From: George Claghorn Date: Fri, 17 Mar 2017 10:29:19 -0400 Subject: Add :default option to belongs_to (#28453) Use it to specify that an association should be initialized with a particular record before validation. For example: # Before belongs_to :account before_validation -> { self.account ||= Current.account } # After belongs_to :account, default: -> { Current.account } --- .../associations/belongs_to_associations_test.rb | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'activerecord/test') diff --git a/activerecord/test/cases/associations/belongs_to_associations_test.rb b/activerecord/test/cases/associations/belongs_to_associations_test.rb index 5875a1871f..5b08ba1358 100644 --- a/activerecord/test/cases/associations/belongs_to_associations_test.rb +++ b/activerecord/test/cases/associations/belongs_to_associations_test.rb @@ -116,6 +116,26 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase ActiveRecord::Base.belongs_to_required_by_default = original_value end + def test_default + david = developers(:david) + jamis = developers(:jamis) + + model = Class.new(ActiveRecord::Base) do + self.table_name = "ships" + def self.name; "Temp"; end + belongs_to :developer, default: -> { david } + end + + ship = model.create! + assert_equal david, ship.developer + + ship = model.create!(developer: jamis) + assert_equal jamis, ship.developer + + ship.update!(developer: nil) + assert_equal david, ship.developer + end + def test_default_scope_on_relations_is_not_cached counter = 0 -- cgit v1.2.3