🚨 Fix (actually ignore) Ruby warnings coming from other libs

Author: pboling

spec/config/warnings.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+# Targeted silencing of a noisy deprecation coming from the oauth gem on Ruby >= 3.4.
+#
+# Example warning seen during specs:
+#   .../gems/oauth-1.1.0/lib/oauth/helper.rb:21: warning: URI::RFC3986_PARSER.escape is obsolete. Use URI::RFC2396_PARSER.escape explicitly.
+#
+# We only filter this single message to avoid hiding other useful warnings.
+# This is test-only; it does not affect consumers of the library.
+begin
+  original_warning_warn = Warning.method(:warn)
+
+  Warning.define_singleton_method(:warn) do |message|
+    if message =~ /lib\/oauth\/helper\.rb:.*URI::RFC3986_PARSER\.escape is obsolete/
+      # swallow this specific, known deprecation from the oauth gem
+      nil
+    else
+      original_warning_warn.call(message)
+    end
+  end
+rescue StandardError # rubocop:disable Lint/SuppressedException -- best-effort; don't break older Rubies
+  # If Warning.method(:warn) is not available on this Ruby, or redefining fails,
+  # silently skip — tests can proceed without the filter.
+end

spec/spec_helper.rb

@@ -6,6 +6,7 @@
 # Internal ENV config
 require_relative "config/debug"
 require_relative "config/vcr"
+require_relative "config/warnings"
 
 # RSpec config
 require_relative "config/rspec/rack_test"