1 files changed, 20 insertions, 0 deletions
diff --git a/spec/support/helpers/expect_offense.rb b/spec/support/helpers/expect_offense.rb
new file mode 100644
index 00000000000..35718ba90c5
--- /dev/null
+++ b/spec/support/helpers/expect_offense.rb
@@ -0,0 +1,20 @@
+require 'rubocop/rspec/support'
+
+# https://github.com/backus/rubocop-rspec/blob/master/spec/support/expect_offense.rb
+# rubocop-rspec gem extension of RuboCop's ExpectOffense module.
+#
+# This mixin is the same as rubocop's ExpectOffense except the default
+# filename ends with `_spec.rb`
+module ExpectOffense
+  include RuboCop::RSpec::ExpectOffense
+
+  DEFAULT_FILENAME = 'example_spec.rb'.freeze
+
+  def expect_offense(source, filename = DEFAULT_FILENAME)
+    super
+  end
+
+  def expect_no_offenses(source, filename = DEFAULT_FILENAME)
+    super
+  end
+end