Add integration test to help prevent JSON loading regressions (#2436)

puma · Oct 20, 2020 · 3f0913a · 3f0913a
1 parent 0ff1a50
commit 3f0913a
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diff --git a/test/config/prune_bundler_print_json_defined.rb b/test/config/prune_bundler_print_json_defined.rb
@@ -0,0 +1,4 @@
+prune_bundler true
+before_fork do
+  puts "defined?(JSON): #{defined?(JSON).inspect}"
+end
diff --git a/test/test_integration_cluster.rb b/test/test_integration_cluster.rb
@@ -261,6 +261,13 @@ def test_load_path_does_not_include_nio4r
     end
   end
 
+  def test_json_gem_not_required_in_master_process
+    cli_server "-w #{workers} -C test/config/prune_bundler_print_json_defined.rb test/rackup/hello.ru"
+
+    line = @server.gets
+    assert_match(/defined\?\(JSON\): nil/, line)
+  end
+
   private
 
   def worker_timeout(timeout, iterations, config)