Clean backtrace from Active Job perform exceptions

Co-authored-by: Ben Warren <[email protected]>

Author: zzak

activejob/lib/active_job/log_subscriber.rb

@@ -87,8 +87,9 @@ def perform(event)
       job = event.payload[:job]
       ex = event.payload[:exception_object]
       if ex
+        cleaned_backtrace = backtrace_cleaner.clean(ex.backtrace)
         error do
-          "Error performing #{job.class.name} (Job ID: #{job.job_id}) from #{queue_name(event)} in #{event.duration.round(2)}ms: #{ex.class} (#{ex.message}):\n" + Array(ex.backtrace).join("\n")
+          "Error performing #{job.class.name} (Job ID: #{job.job_id}) from #{queue_name(event)} in #{event.duration.round(2)}ms: #{ex.class} (#{ex.message}):\n" + Array(cleaned_backtrace).join("\n")
         end
       elsif event.payload[:aborted]
         error do

activejob/test/cases/logging_test.rb

@@ -284,6 +284,18 @@ def test_job_error_logging
     end
   end
 
+  def test_job_error_logging_backtrace_cleaner
+    perform_enqueued_jobs do
+      assert_raises(RescueJob::OtherError) do
+        RescueJob.perform_later "other"
+      end
+    end
+
+    assert_match(/rescue_job\.rb:\d+:in .*perform'/, @logger.messages)
+    assert_empty(@logger.messages.lines.grep(/minitest\//))
+    assert_empty(@logger.messages.lines.grep(/gems\//))
+  end
+
   def test_job_no_error_logging_on_rescuable_job
     perform_enqueued_jobs { RescueJob.perform_later "david" }
     assert_match(/Performing RescueJob \(Job ID: .*?\) from .*? with arguments:.*david/, @logger.messages)