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Diffstat (limited to 'actionview/test/template/form_helper_test.rb')
-rw-r--r-- | actionview/test/template/form_helper_test.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/actionview/test/template/form_helper_test.rb b/actionview/test/template/form_helper_test.rb index 4e336bea63..5c55b154d3 100644 --- a/actionview/test/template/form_helper_test.rb +++ b/actionview/test/template/form_helper_test.rb @@ -2878,6 +2878,23 @@ class FormHelperTest < ActionView::TestCase assert_dom_equal expected, output_buffer end + def test_nested_fields_for_with_child_index_as_lambda_option_override_on_a_nested_attributes_collection_association + @post.comments = [] + + form_for(@post) do |f| + concat f.fields_for(:comments, Comment.new(321), child_index: -> { 'abc' } ) { |cf| + concat cf.text_field(:name) + } + end + + expected = whole_form('/posts/123', 'edit_post_123', 'edit_post', method: 'patch') do + '<input id="post_comments_attributes_abc_name" name="post[comments_attributes][abc][name]" type="text" value="comment #321" />' + + '<input id="post_comments_attributes_abc_id" name="post[comments_attributes][abc][id]" type="hidden" value="321" />' + end + + assert_dom_equal expected, output_buffer + end + class FakeAssociationProxy def to_ary [1, 2, 3] |