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rails--rails/actionpack/test/controller/required_params_test.rb

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require 'abstract_unit'
class BooksController < ActionController::Base
def create
params.require(:book).require(:name)
head :ok
end
end
class ActionControllerRequiredParamsTest < ActionController::TestCase
tests BooksController
test "missing required parameters will raise exception" do
post :create, { magazine: { name: "Mjallo!" } }
assert_response :bad_request
post :create, { book: { title: "Mjallo!" } }
assert_response :bad_request
end
test "required parameters that are present will not raise" do
post :create, { book: { name: "Mjallo!" } }
assert_response :ok
end
test "missing parameters will be mentioned in the return" do
post :create, { magazine: { name: "Mjallo!" } }
assert_equal "Required parameter missing: book", response.body
end
end