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-rw-r--r--actionpack/test/template/form_helper_test.rb36
1 files changed, 36 insertions, 0 deletions
diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index 8fd018f86d..be15b06372 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -784,6 +784,42 @@ class FormHelperTest < ActionView::TestCase
assert_dom_equal expected, output_buffer
end
+ def test_nested_fields_for_with_an_empty_supplied_attributes_collection
+ form_for(:post, @post) do |f|
+ concat f.text_field(:title)
+ f.fields_for(:comments, []) do |cf|
+ concat cf.text_field(:name)
+ end
+ end
+
+ expected = '<form action="http://www.example.com" method="post">' +
+ '<input name="post[title]" size="30" type="text" id="post_title" value="Hello World" />' +
+ '</form>'
+
+ assert_dom_equal expected, output_buffer
+ end
+
+ def test_nested_fields_for_with_existing_records_on_a_supplied_nested_attributes_collection
+ @post.comments = Array.new(2) { |id| Comment.new(id + 1) }
+
+ form_for(:post, @post) do |f|
+ concat f.text_field(:title)
+ f.fields_for(:comments, @post.comments) do |cf|
+ concat cf.text_field(:name)
+ end
+ end
+
+ expected = '<form action="http://www.example.com" method="post">' +
+ '<input name="post[title]" size="30" type="text" id="post_title" value="Hello World" />' +
+ '<input id="post_comments_attributes_0_id" name="post[comments_attributes][0][id]" type="hidden" value="1" />' +
+ '<input id="post_comments_attributes_0_name" name="post[comments_attributes][0][name]" size="30" type="text" value="comment #1" />' +
+ '<input id="post_comments_attributes_1_id" name="post[comments_attributes][1][id]" type="hidden" value="2" />' +
+ '<input id="post_comments_attributes_1_name" name="post[comments_attributes][1][name]" size="30" type="text" value="comment #2" />' +
+ '</form>'
+
+ assert_dom_equal expected, output_buffer
+ end
+
def test_nested_fields_for_on_a_nested_attributes_collection_association_yields_only_builder
@post.comments = [Comment.new(321), Comment.new]
yielded_comments = []