Add a shared vcr spec helper for access to secrets

spec/shared/cassette_secrets_helper.rb

@@ -0,0 +1,39 @@
+module Spec
+  module Shared
+    module CassetteSecretsHelper
+      def default_vcr_secrets_path
+        Pathname.new(Dir.pwd).join("config/secrets.defaults.yml").tap do |path|
+          raise "Default vcr cassette secrets not found: #{path}! Create this file with placeholder secrets to be used in cassettes to avoid leaking actual secrets." unless path.exist?
+        end
+      end
+
+      def vcr_secrets_path
+        Pathname.new(Dir.pwd).join("config/secrets.yml")
+      end
+
+      def load_vcr_secrets(pathname)
+        if pathname.exist?
+          YAML.load_file(pathname)
+        else
+          {}
+        end
+      end
+
+      def default_vcr_secrets
+        @@default_vcr_secrets ||= load_vcr_secrets(default_vcr_secrets_path)
+      end
+
+      def vcr_secrets
+        @@vcr_secrets ||= load_vcr_secrets(vcr_secrets_path)
+      end
+
+      def default_vcr_secret_by_key_path(*args)
+        default_vcr_secrets.dig(*args)
+      end
+
+      def vcr_secret_by_key_path(*args)
+        vcr_secrets.dig(*args) || default_vcr_secret_by_key_path(*args)
+      end
+    end
+  end
+end