Don't generate system test files if `skip_system_test` option is specified

2 files changed, 15 insertions, 0 deletions

diff --git a/railties/lib/rails/generators/rails/app/templates/config/application.rb b/railties/lib/rails/generators/rails/app/templates/config/application.rb
index d5d214052f..0b1d22228e 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/application.rb
+++ b/railties/lib/rails/generators/rails/app/templates/config/application.rb
@@ -34,6 +34,10 @@ module <%= app_const_base %>
     # Middleware like session, flash, cookies can be added back manually.
     # Skip views, helpers and assets when generating a new resource.
     config.api_only = true
+<%- elsif !depends_on_system_test? -%>
+
+    # Don't generate system test files.
+    config.generators.system_tests = nil
 <%- end -%>
   end
 end
diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index 7965bd68d0..0016714383 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -452,6 +452,17 @@ class AppGeneratorTest < Rails::Generators::TestCase
     end
   end
 
+  def test_does_not_generate_system_test_files_if_skip_system_test_is_given
+    run_generator [destination_root, "--skip_system_test"]
+
+    Dir.chdir(destination_root) do
+      quietly { `./bin/rails g scaffold User` }
+
+      assert_no_file("test/application_system_test_case.rb")
+      assert_no_file("test/system/users_test.rb")
+    end
+  end
+
   def test_generator_if_api_is_given
     run_generator [destination_root, "--api"]
     assert_file "Gemfile" do |content|