Merge pull request #40001 from tgxworld/actionable_migration_not_dumping_schema

Fix ActiveRecord::PendingMigrationError action not dumping schema.

activerecord/lib/active_record/migration.rb

@@ -135,6 +135,12 @@ class PendingMigrationError < MigrationError #:nodoc:
 
     action "Run pending migrations" do
       ActiveRecord::Tasks::DatabaseTasks.migrate
+
+      if ActiveRecord::Base.dump_schema_after_migration
+        ActiveRecord::Tasks::DatabaseTasks.dump_schema(
+          ActiveRecord::Base.connection_db_config
+        )
+      end
     end
 
     def initialize(message = nil)

activerecord/test/cases/tasks/database_tasks_test.rb

@@ -905,25 +905,6 @@ class DatabaseTasksMigrationTestCase < ActiveRecord::TestCase
     end
 
     class DatabaseTasksMigrateTest < DatabaseTasksMigrationTestCase
-      def test_can_migrate_from_pending_migration_error_action_dispatch
-        verbose, version = ENV["VERBOSE"], ENV["VERSION"]
-        ENV["VERSION"] = "2"
-        ENV["VERBOSE"] = "false"
-
-        # run down migration because it was already run on copied db
-        assert_empty capture_migration_output
-
-        ENV.delete("VERSION")
-        ENV.delete("VERBOSE")
-
-        # re-run up migration
-        assert_includes(capture(:stdout) do
-          ActiveSupport::ActionableError.dispatch ActiveRecord::PendingMigrationError, "Run pending migrations"
-        end, "migrating")
-      ensure
-        ENV["VERBOSE"], ENV["VERSION"] = verbose, version
-      end
-
       def test_migrate_set_and_unset_empty_values_for_verbose_and_version_env_vars
         verbose, version = ENV["VERBOSE"], ENV["VERSION"]
 

railties/test/application/configuration_test.rb

@@ -153,12 +153,25 @@ def change
 
       app "development"
 
-      ActiveRecord::Migrator.migrations_paths = ["#{app_path}/db/migrate"]
-
       begin
+        ActiveRecord::Migrator.migrations_paths = ["#{app_path}/db/migrate"]
+
         get "/foo"
         assert_equal 500, last_response.status
         assert_match "ActiveRecord::PendingMigrationError", last_response.body
+
+        assert_changes -> { File.exist?(File.join(app_path, "db", "schema.rb")) }, from: false, to: true do
+          output = capture(:stdout) do
+            post "/rails/actions", { error: "ActiveRecord::PendingMigrationError", action: "Run pending migrations" }
+          end
+
+          assert_match(/\d{14}\s+CreateUser/, output)
+        end
+
+        assert_equal 302, last_response.status
+
+        get "/foo"
+        assert_equal 404, last_response.status
       ensure
         ActiveRecord::Migrator.migrations_paths = nil
       end