Don't include stack backtraces on xml errors when importing traces

app/jobs/trace_importer_job.rb

@@ -10,6 +10,10 @@ class TraceImporterJob < ApplicationJob
       UserMailer.gpx_failure(trace, "0 points parsed ok. Do they all have lat,lng,alt,timestamp?").deliver
       trace.destroy
     end
+  rescue XML::Error => e
+    logger.info e.to_s
+    UserMailer.gpx_failure(trace, e).deliver
+    trace.destroy
   rescue StandardError => e
     logger.info e.to_s
     e.backtrace.each { |l| logger.info l }

test/jobs/trace_importer_job_test.rb

@@ -52,6 +52,38 @@ class TraceImporterJobTest < ActiveJob::TestCase
     email = ActionMailer::Base.deliveries.last
     assert_equal trace.user.email, email.to[0]
     assert_match(/failure/, email.subject)
+    assert_no_match(/Start tag expected/, email.text_part.body.to_s, "should not include parser error")
+    assert_match(%r{jobs/trace_importer_job\.rb}, email.text_part.body.to_s, "should include stack backtrace")
+
+    ActionMailer::Base.deliveries.clear
+  end
+
+  def test_parse_error_notification
+    trace = create(:trace, :inserted => false, :fixture => "jpg")
+    Rails.logger.silence do
+      TraceImporterJob.perform_now(trace)
+    end
+
+    email = ActionMailer::Base.deliveries.last
+    assert_equal trace.user.email, email.to[0]
+    assert_match(/failure/, email.subject)
+    assert_match(/Start tag expected/, email.text_part.body.to_s, "should include parser error")
+    assert_no_match(%r{jobs/trace_importer_job\.rb}, email.text_part.body.to_s, "should not include stack backtrace")
+
+    ActionMailer::Base.deliveries.clear
+  end
+
+  def test_gz_parse_error_notification
+    trace = create(:trace, :inserted => false, :fixture => "jpg.gz")
+    Rails.logger.silence do
+      TraceImporterJob.perform_now(trace)
+    end
+
+    email = ActionMailer::Base.deliveries.last
+    assert_equal trace.user.email, email.to[0]
+    assert_match(/failure/, email.subject)
+    assert_match(/Start tag expected/, email.text_part.body.to_s, "should include parser error")
+    assert_no_match(%r{jobs/trace_importer_job\.rb}, email.text_part.body.to_s, "should not include stack backtrace")
 
     ActionMailer::Base.deliveries.clear
   end