diff options
Diffstat (limited to 'actionpack')
-rw-r--r-- | actionpack/lib/action_controller/metal/strong_parameters.rb | 12 | ||||
-rw-r--r-- | actionpack/test/controller/parameters/mutators_test.rb | 18 |
2 files changed, 30 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index 6fbd52dd51..920ae52f2b 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -749,6 +749,18 @@ module ActionController end alias_method :delete_if, :reject! + # Returns a new instance of <tt>ActionController::Parameters</tt> without the blank values. + # Uses Object#blank? for determining if a value is blank. + def compact_blank + reject { |_k, v| v.blank? } + end + + # Removes all blank values in place and returns self. + # Uses Object#blank? for determining if a value is blank. + def compact_blank! + reject! { |_k, v| v.blank? } + end + # Returns values that were assigned to the given +keys+. Note that all the # +Hash+ objects will be converted to <tt>ActionController::Parameters</tt>. def values_at(*keys) diff --git a/actionpack/test/controller/parameters/mutators_test.rb b/actionpack/test/controller/parameters/mutators_test.rb index 31ee7964f5..ffffd2996f 100644 --- a/actionpack/test/controller/parameters/mutators_test.rb +++ b/actionpack/test/controller/parameters/mutators_test.rb @@ -127,4 +127,22 @@ class ParametersMutatorsTest < ActiveSupport::TestCase test "deep_transform_keys! retains unpermitted status" do assert_not_predicate @params.deep_transform_keys! { |k| k }, :permitted? end + + test "compact_blank retains permitted status" do + @params.permit! + assert_predicate @params.compact_blank, :permitted? + end + + test "compact_blank retains unpermitted status" do + assert_not_predicate @params.compact_blank, :permitted? + end + + test "compact_blank! retains permitted status" do + @params.permit! + assert_predicate @params.compact_blank!, :permitted? + end + + test "compact_blank! retains unpermitted status" do + assert_not_predicate @params.compact_blank!, :permitted? + end end |