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Merge pull request #7661 from ernie/build-join-records-on-unsaved-hmt

Fix collection= on hm:t join models when unsaved
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2 parents 896594f + 610b632 commit 82d507b4c37ff3a770a0c90424d73e967328094c @rafaelfranca rafaelfranca committed Sep 17, 2012
@@ -1,5 +1,10 @@
## Rails 4.0.0 (unreleased) ##
+* Fix creation of through association models when using collection=[]
+ on a hm:t association from an unsaved model.
+
+ *Ernie Miller*
+
* Explain only normal CRUD sql (select / update / insert / delete).
Fix problem that explains unexplainable sql. Closes #7544 #6458.
@@ -37,6 +37,20 @@ def concat(*records)
super
end
+ def concat_records(records)
+ ensure_not_nested
+
+ records = super
+
+ if owner.new_record? && records
+ records.flatten.each do |record|
+ build_through_record(record)
+ end
+ end
+
+ records
+ end
+
def insert_record(record, validate = true, raise = false)
ensure_not_nested
@@ -838,6 +838,11 @@ def test_save_should_not_raise_exception_when_join_record_has_errors
end
end
+ def test_assign_array_to_new_record_builds_join_records
+ c = Category.new(:name => 'Fishing', :authors => [Author.first])
+ assert_equal 1, c.categorizations.size
+ end
+
def test_create_bang_should_raise_exception_when_join_record_has_errors
repair_validations(Categorization) do
Categorization.validate { |r| r.errors[:base] << 'Invalid Categorization' }

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