1 files changed, 45 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/kernel/reporting.rb b/activesupport/lib/active_support/core_ext/kernel/reporting.rb
new file mode 100644
index 0000000000..9155bd6c10
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/kernel/reporting.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+module Kernel
+  module_function
+
+  # Sets $VERBOSE to +nil+ for the duration of the block and back to its original
+  # value afterwards.
+  #
+  #   silence_warnings do
+  #     value = noisy_call # no warning voiced
+  #   end
+  #
+  #   noisy_call # warning voiced
+  def silence_warnings
+    with_warnings(nil) { yield }
+  end
+
+  # Sets $VERBOSE to +true+ for the duration of the block and back to its
+  # original value afterwards.
+  def enable_warnings
+    with_warnings(true) { yield }
+  end
+
+  # Sets $VERBOSE for the duration of the block and back to its original
+  # value afterwards.
+  def with_warnings(flag)
+    old_verbose, $VERBOSE = $VERBOSE, flag
+    yield
+  ensure
+    $VERBOSE = old_verbose
+  end
+
+  # Blocks and ignores any exception passed as argument if raised within the block.
+  #
+  #   suppress(ZeroDivisionError) do
+  #     1/0
+  #     puts 'This code is NOT reached'
+  #   end
+  #
+  #   puts 'This code gets executed and nothing related to ZeroDivisionError was seen'
+  def suppress(*exception_classes)
+    yield
+  rescue *exception_classes
+  end
+end