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# frozen_string_literal: true
require "active_record_unit"
require "fixtures/project"
require "fixtures/developer"
class FormHelperActiveRecordTest < ActionView::TestCase
tests ActionView::Helpers::FormHelper
def form_for(*)
@output_buffer = super
end
def setup
@developer = Developer.new
@developer.id = 123
@developer.name = "developer #123"
@project = Project.new
@project.id = 321
@project.name = "project #321"
@project.save
@developer.projects << @project
@developer.save
end
def teardown
Project.delete(321)
Developer.delete(123)
end
Routes = ActionDispatch::Routing::RouteSet.new
Routes.draw do
resources :developers do
resources :projects
end
end
include Routes.url_helpers
def test_nested_fields_for_with_child_index_option_override_on_a_nested_attributes_collection_association
form_for(@developer) do |f|
concat f.fields_for(:projects, @developer.projects.first, child_index: "abc") { |cf|
concat cf.text_field(:name)
}
end
expected = whole_form("/developers/123", "edit_developer_123", "edit_developer", method: "patch") do
'<input id="developer_projects_attributes_abc_name" name="developer[projects_attributes][abc][name]" type="text" value="project #321" />' \
'<input id="developer_projects_attributes_abc_id" name="developer[projects_attributes][abc][id]" type="hidden" value="321" />'
end
assert_dom_equal expected, output_buffer
end
private
def hidden_fields(method = nil)
txt = %{<input name="utf8" type="hidden" value="✓" />}
if method && !%w(get post).include?(method.to_s)
txt << %{<input name="_method" type="hidden" value="#{method}" />}
end
txt
end
def form_text(action = "/", id = nil, html_class = nil, remote = nil, multipart = nil, method = nil)
txt = %{<form accept-charset="UTF-8" action="#{action}"}
txt << %{ enctype="multipart/form-data"} if multipart
txt << %{ data-remote="true"} if remote
txt << %{ class="#{html_class}"} if html_class
txt << %{ id="#{id}"} if id
method = method.to_s == "get" ? "get" : "post"
txt << %{ method="#{method}">}
end
def whole_form(action = "/", id = nil, html_class = nil, options = nil)
contents = block_given? ? yield : ""
if options.is_a?(Hash)
method, remote, multipart = options.values_at(:method, :remote, :multipart)
else
method = options
end
form_text(action, id, html_class, remote, multipart, method) + hidden_fields(method) + contents + "</form>"
end
end
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