diff options
Diffstat (limited to 'activerecord/test')
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index 6c5bee7382..8544d36aa8 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -1284,4 +1284,31 @@ class RelationTest < ActiveRecord::TestCase Post.scoped.find_by!("1 = 0") end end + + test "loaded relations cannot be mutated by multi value methods" do + relation = Post.scoped + relation.to_a + + assert_raises(ActiveRecord::ImmutableRelation) do + relation.where! 'foo' + end + end + + test "loaded relations cannot be mutated by single value methods" do + relation = Post.scoped + relation.to_a + + assert_raises(ActiveRecord::ImmutableRelation) do + relation.limit! 5 + end + end + + test "loaded relations cannot be mutated by merge!" do + relation = Post.scoped + relation.to_a + + assert_raises(ActiveRecord::ImmutableRelation) do + relation.merge! where: 'foo' + end + end end |