Add support for detecting refinement support

rspec · Jun 10, 2019 · f74f31b · f74f31b
1 parent 6cce340
commit f74f31b
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diff --git a/lib/rspec/support/ruby_features.rb b/lib/rspec/support/ruby_features.rb
@@ -145,6 +145,10 @@ def supports_rebinding_module_methods?
  # rubocop:enable Lint/Eval
  end
 
+ def module_refinement_supported?
+ Module.method_defined?(:refine) || Module.private_method_defined?(:refine)
+ end
+
  def module_prepends_supported?
  Module.method_defined?(:prepend) || Module.private_method_defined?(:prepend)
  end

diff --git a/spec/rspec/support/ruby_features_spec.rb b/spec/rspec/support/ruby_features_spec.rb
@@ -69,6 +69,12 @@ module Support
  end
 
  describe RubyFeatures do
+ specify "#module_refinedment_supported? reflects refinement support" do
+ if Ruby.mri? && RUBY_VERSION >= '2.1.0'
+ expect(RubyFeatures.module_refinement_supported?).to eq true
+ end
+ end
+
  specify "#supports_exception_cause? exists" do
  RubyFeatures.supports_exception_cause?
  end