run tests with bundler since that is what our users run (#1317)

.gitignore

@@ -12,6 +12,7 @@ tmp
 t/
 .rbx/
 Gemfile.lock
+gemfiles/2.1-Gemfile.lock
 .idea/
 /test/test_puma.state
 /test/test_server.sock

gemfiles/2.1-Gemfile

@@ -1,5 +1,7 @@
 source "https://rubygems.org"
 
+gemspec path: ".."
+
 gem "hoe"
 gem "hoe-git"
 gem "hoe-ignore"

lib/puma/launcher.rb

@@ -163,7 +163,16 @@ module Puma
 
     # Run the server. This blocks until the server is stopped
     def run
-      previous_env = (defined?(Bundler) ? Bundler::ORIGINAL_ENV : ENV.to_h)
+      previous_env =
+        if defined?(Bundler)
+          env = Bundler::ORIGINAL_ENV
+          # add -rbundler/setup so we load from Gemfile when restarting
+          bundle = "-rbundler/setup"
+          env["RUBYOPT"] = [env["RUBYOPT"], bundle].join(" ") unless env["RUBYOPT"].include?(bundle)
+          env
+        else
+          ENV.to_h
+        end
 
       @config.clamp
 
@@ -225,8 +234,8 @@ module Puma
       else
         redirects = {:close_others => true}
         @binder.listeners.each_with_index do |(l, io), i|
-        ENV["PUMA_INHERIT_#{i}"] = "#{io.to_i}:#{l}"
-        redirects[io.to_i] = io.to_i
+          ENV["PUMA_INHERIT_#{i}"] = "#{io.to_i}:#{l}"
+          redirects[io.to_i] = io.to_i
         end
 
         argv = restart_args

test/helper.rb

@@ -36,9 +36,13 @@ def hit(uris)
 end
 
 module TimeoutEveryTestCase
+  # our own subclass so we never confused different timeouts
+  class TestTookTooLong < Timeout::Error
+  end
+
   def run(*)
     if ENV['CI']
-      ::Timeout.timeout(Puma.jruby? ? 120 : 30) { super }
+      ::Timeout.timeout(Puma.jruby? ? 120 : 30, TestTookTooLong) { super }
     else
       super # we want to be able to use debugger
     end

test/test_integration.rb

@@ -41,7 +41,11 @@ class TestIntegration < Minitest::Test
   end
 
   def server(argv)
-    cmd = "#{Gem.ruby} -Ilib bin/puma -b tcp://127.0.0.1:#{@tcp_port} #{argv}"
+    # when we were started with bundler all load-paths and bin-paths are setup correctly
+    # this is what 9X% of users run, so it is what we should test
+    # the other case is solely for package builders or testing 1-off cases where the system puma is used
+    base = (defined?(Bundler) ? "bundle exec puma" : "#{Gem.ruby} -Ilib bin/puma")
+    cmd = "#{base} -b tcp://127.0.0.1:#{@tcp_port} #{argv}"
     @server = IO.popen(cmd, "r")
 
     wait_for_server_to_boot