def test_uniqueness
existing = create(:relation_tag)
- tag = RelationTag.new
- tag.relation_id = existing.relation_id
- tag.k = existing.k
- tag.v = existing.v
+ tag = build(:relation_tag, :relation => existing.relation, :k => existing.k, :v => existing.v)
assert_predicate tag, :new_record?
assert_not tag.valid?
assert_raise(ActiveRecord::RecordInvalid) { tag.save! }