Explicitly support keyword arguments in shared context on 2.7.0

lib/rspec/core/shared_example_group.rb

@@ -33,10 +33,31 @@ def include_in(klass, inclusion_line, args, customization_block)
         klass.update_inherited_metadata(@metadata) unless @metadata.empty?
 
         SharedExampleGroupInclusionStackFrame.with_frame(@description, inclusion_line) do
-          klass.class_exec(*args, &@definition)
+          klass_exec(klass, *args, &@definition)
           klass.class_exec(&customization_block) if customization_block
         end
       end
+
+    private
+
+      if RSpec::Support::RubyFeatures.kw_args_supported?
+        # Remove this in RSpec 4 in favour of explictly passed in kwargs down the entire
+        # stack, e.g. rspec/rspec-core#2711
+        binding.eval(<<-CODE, __FILE__, __LINE__)
+        def klass_exec(klass, *args, &definition)
+          if RSpec::Support::MethodSignature.new(definition).has_kw_args_in?(args)
+            kwargs = args.pop
+            klass.class_exec(*args, **kwargs, &definition)
+          else
+            klass.class_exec(*args, &definition)
+          end
+        end
+        CODE
+      else
+        def klass_exec(klass, *args, &definition)
+          klass.class_exec(*args, &definition)
+        end
+      end
     end
 
     # Shared example groups let you define common context and/or common

spec/rspec/core/shared_example_group_spec.rb

@@ -543,6 +543,20 @@ def self.bar; 'bar'; end
               expect(group).to have_example_descriptions("a different spec")
             end
           end
+
+          if RSpec::Support::RubyFeatures.required_kw_args_supported?
+            binding.eval(<<-CODE, __FILE__, __LINE__)
+            context "supporting kwargs" do
+              __send__ shared_method_name, "shared context" do |foo:|
+                it "has an expected value" do
+                  expect(foo).to eq("bar")
+                end
+              end
+
+              it_behaves_like "shared context", foo: "bar"
+            end
+            CODE
+          end
         end
       end
     end