feat: save admin sync settings

tests/Unit/PluginTest.php

@@ -4,6 +4,7 @@ namespace WPContentSync\Tests\Unit;
 
 use PHPUnit\Framework\TestCase;
 use WPContentSync\Admin\FileImportController;
+use WPContentSync\Admin\SettingsController;
 use WPContentSync\Content\ContentHandlerRegistry;
 use WPContentSync\Content\ContentRecordNormalizer;
 use WPContentSync\Content\MediaContentHandler;
@@ -51,6 +52,15 @@ class PluginTest extends TestCase {
 		);
 	}
 
+	public function test_it_registers_settings_controller(): void {
+		$container = $this->getPluginContainer( Plugin::create() );
+
+		self::assertInstanceOf(
+			SettingsController::class,
+			$container->get( SettingsController::class )
+		);
+	}
+
 	public function test_it_registers_rest_transport_services(): void {
 		$container = $this->getPluginContainer( Plugin::create() );
 
@@ -85,6 +95,15 @@ class PluginTest extends TestCase {
 		self::assertArrayHasKey( 'rest_api_init', $GLOBALS['wpcs_test_actions'] );
 	}
 
+	public function test_it_hooks_settings_controller_on_register(): void {
+		unset( $GLOBALS['wpcs_test_actions'] );
+
+		$plugin = Plugin::create();
+		$plugin->register();
+
+		self::assertArrayHasKey( 'admin_post_wpcs_save_settings', $GLOBALS['wpcs_test_actions'] );
+	}
+
 	private function getPluginContainer( Plugin $plugin ): Container {
 		$reflection = new \ReflectionClass( $plugin );
 		$property   = $reflection->getProperty( 'container' );