Extract DUMMY_ROOT to top level test_helper.rb

Author: tangrufus

test/features/console_helpers.rb

@@ -3,8 +3,6 @@
 module ConsoleHelpers
   private
 
-  DUMMY_RAILS = File.expand_path "../../dummy/bin/rails", __FILE__
-
   def with_pty
     PTY.open do |primary, replica|
       @primary, @replica = primary, replica
@@ -27,7 +25,7 @@ def spawn_console(options, wait_for_prompt: true, env: {})
 
     pid = Process.spawn(
       env,
-      "#{DUMMY_RAILS} console #{options}",
+      "#{DUMMY_ROOT}/bin/rails console #{options}",
       in: @replica, out: @replica, err: @replica
     )
 

test/features/runner_helpers.rb

@@ -1,12 +1,10 @@
 module RunnerHelpers
   private
 
-  DUMMY_RAILS = File.expand_path "../../dummy/bin/rails", __FILE__
-
   def assert_runner_puts(expected, subject, env: {})
     env = env.with_defaults({"APP_ENV" => nil, "RAILS_ENV" => nil, "SECRET_KEY_BASE_DUMMY" => "1"})
 
-    stdout, status = Open3.capture2(env, DUMMY_RAILS, "runner", "puts #{subject}")
+    stdout, status = Open3.capture2(env, "#{DUMMY_ROOT}/bin/rails", "runner", "puts #{subject}")
 
     assert_predicate status, :success?
     assert_equal expected.to_s, stdout.chomp

test/test_helper.rb

@@ -13,3 +13,5 @@
 end
 
 DEFAULT_RAILS_ENV = "development"
+
+DUMMY_ROOT = File.expand_path "../dummy", __FILE__