From 9bd5fc84ccaa59bd9ca8e81145e5ce15fbac75d2 Mon Sep 17 00:00:00 2001
From: "yuuji.yaginuma" <yuuji.yaginuma@gmail.com>
Date: Fri, 9 Nov 2018 18:25:26 +0900
Subject: Add test for parallel tests with unmarshable exception

Follow up #34131.
---
 railties/test/application/test_runner_test.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'railties')

diff --git a/railties/test/application/test_runner_test.rb b/railties/test/application/test_runner_test.rb
index 5c34b205c9..0046fec062 100644
--- a/railties/test/application/test_runner_test.rb
+++ b/railties/test/application/test_runner_test.rb
@@ -562,6 +562,30 @@ module ApplicationTests
       assert_no_match "create_table(:users)", output
     end
 
+    def test_run_in_parallel_with_unmarshable_exception
+      file = app_file "test/fail_test.rb", <<-RUBY
+        require "test_helper"
+        class FailTest < ActiveSupport::TestCase
+          class BadError < StandardError
+            def initialize
+              super
+              @proc = ->{ }
+            end
+          end
+
+          test "fail" do
+            raise BadError
+            assert true
+          end
+        end
+      RUBY
+
+      output = run_test_command(file)
+
+      assert_match "DRb::DRbRemoteError: FailTest::BadError", output
+      assert_match "1 runs, 0 assertions, 0 failures, 1 errors", output
+    end
+
     def test_raise_error_when_specified_file_does_not_exist
       error = capture(:stderr) { run_test_command("test/not_exists.rb", stderr: true) }
       assert_match(%r{cannot load such file.+test/not_exists\.rb}, error)
-- 
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