Allow Actionable Errors encountered when running tests to be retried.

If running in an interactive console, the user will be given the option to correct the error and re-run the tests.

Co-authored-by: Gannon McGibbon <gannon.mcgibbon@gmail.com>

railties/CHANGELOG.md

@@ -1,3 +1,32 @@
+*   Allow Actionable Errors encountered when running tests to be retried.
+
+    ```txt
+    Migrations are pending. To resolve this issue, run:
+
+            bin/rails db:migrate
+
+    You have 1 pending migration:
+
+    db/migrate/20240201213806_add_a_to_b.rb
+    Run pending migrations? [Yn] Y
+    == 20240201213806 AddAToB: migrating =========================================
+    == 20240201213806 AddAToB: migrated (0.0000s) ================================
+
+    Running 7 tests in a single process (parallelization threshold is 50)
+    Run options: --seed 22200
+
+    # Running:
+
+    .......
+
+    Finished in 0.243394s, 28.7600 runs/s, 45.1942 assertions/s.
+    7 runs, 11 assertions, 0 failures, 0 errors, 0 skips
+    ```
+
+    This feature will only be present on interactive terminals.
+
+    *Andrew Novoselac & Gannon McGibbon*
+
 *   Skip generating a `test` job in ci.yml when a new application is generated with the
     `--skip-test` option.
 

railties/lib/rails/command/base.rb

@@ -179,6 +179,26 @@ def invoke_command(command, *) # :nodoc:
         ensure
           @current_subcommand = original_subcommand
         end
+
+        protected
+          def with_actionable_errors_retried(&block)
+            block.call
+          rescue ActiveSupport::ActionableError => e
+            puts e.to_s.strip
+            exit 1 unless tty?
+
+            ActiveSupport::ActionableError.actions(e).each_key do |action_name|
+              if yes? "#{action_name}? [Yn]"
+                ActiveSupport::ActionableError.dispatch(e, action_name)
+                return with_actionable_errors_retried(&block)
+              end
+            end
+            exit 1
+          end
+
+          def tty?
+            STDOUT.tty?
+          end
       end
     end
   end

railties/lib/rails/commands/test/test_command.rb

@@ -30,7 +30,9 @@ def perform(*args)
 
         Rails::TestUnit::Runner.parse_options(args)
         run_prepare_task if self.args.none?(EXACT_TEST_ARGUMENT_PATTERN)
-        Rails::TestUnit::Runner.run(args)
+        with_actionable_errors_retried do
+          Rails::TestUnit::Runner.run(args)
+        end
       rescue Rails::TestUnit::InvalidTestError => error
         say error.message
       end

railties/lib/rails/testing/maintain_test_schema.rb

@@ -1,12 +1,8 @@
 # frozen_string_literal: true
 
 if defined?(ActiveRecord::Base)
-  begin
-    ActiveRecord::Migration.maintain_test_schema!
-  rescue ActiveRecord::PendingMigrationError => e
-    puts e.to_s.strip
-    exit 1
-  end
+
+  ActiveRecord::Migration.maintain_test_schema!
 
   if Rails.configuration.eager_load
     ActiveRecord::Base.descendants.each do |model|

railties/test/application/test_test.rb

@@ -345,6 +345,45 @@ def self.load_schema!
       assert_unsuccessful_run "models/user_test.rb", "SCHEMA LOADED!"
     end
 
+    def test_actionable_command_line_error_with_tty
+      rails "generate", "scaffold", "user", "name:string"
+      app_file "config/initializers/thor_yes.rb", <<-RUBY
+        Rails::Command::Base.class_eval <<-INITIALIZER
+          def yes?(statement, color = nil)
+            raise ArgumentError unless statement == "Run pending migrations? [Yn]"
+            true
+          end
+
+          def tty?
+            true
+          end
+        INITIALIZER
+      RUBY
+
+      run_test_file("models/user_test.rb").tap do |output|
+        assert_match "Migrations are pending. To resolve this issue, run:", output
+        assert_match "CreateUsers: migrating", output
+        assert_match "0 runs, 0 assertions, 0 failures, 0 errors, 0 skips", output
+      end
+    end
+
+    def test_actionable_command_line_without_tty
+      rails "generate", "scaffold", "user", "name:string"
+      app_file "config/initializers/thor_yes.rb", <<-RUBY
+        Rails::Command::Base.class_eval <<-INITIALIZER
+          def tty?
+            false
+          end
+        INITIALIZER
+      RUBY
+
+      run_test_file("models/user_test.rb").tap do |output|
+        assert_match "Migrations are pending. To resolve this issue, run:", output
+        assert_no_match "CreateUsers: migrating", output
+        assert_no_match "0 runs, 0 assertions, 0 failures, 0 errors, 0 skips", output
+      end
+    end
+
     private
       def assert_unsuccessful_run(name, message)
         result = run_test_file(name)