Merge pull request #33979 from lzap/master

Added ActionController::Parameters.each_value methods

actionpack/lib/action_controller/metal/strong_parameters.rb

@@ -348,6 +348,14 @@ def each_pair(&block)
     end
     alias_method :each, :each_pair
 
+    # Convert all hashes in values into parameters, then yield each value in
+    # the same way as <tt>Hash#each_value</tt>.
+    def each_value(&block)
+      @parameters.each_pair do |key, value|
+        yield [convert_hashes_to_parameters(key, value)]
+      end
+    end
+
     # Attribute that keeps track of converted arrays, if any, to avoid double
     # looping in the common use case permit + mass-assignment. Defined in a
     # method to instantiate it only if needed.

actionpack/test/controller/parameters/accessors_test.rb

@@ -75,6 +75,24 @@ class ParametersAccessorsTest < ActiveSupport::TestCase
     end
   end
 
+  test "each_value carries permitted status" do
+    @params.permit!
+    @params["person"].each_value { |value| assert(value.permitted?) if value == 32 }
+  end
+
+  test "each_value carries unpermitted status" do
+    @params["person"].each_value { |value| assert_not(value.permitted?) if value == 32 }
+  end
+
+  test "each_key converts to hash for permitted" do
+    @params.permit!
+    @params.each_key { |key| assert_kind_of(String, key) if key == "person" }
+  end
+
+  test "each_key converts to hash for unpermitted" do
+    @params.each_key { |key| assert_kind_of(String, key) if key == "person" }
+  end
+
   test "empty? returns true when params contains no key/value pairs" do
     params = ActionController::Parameters.new
     assert_empty params