Update PHPUnit config and test for REST controller

Refactored PHPUnit bootstrap to simplify path usage and removed custom polyfills configuration. Updated REST controller test to expect a 501 status when no adapter is present. Adjusted npm test script to use vendor/bin/phpunit for consistency.

Author: pfefferle

package.json

@@ -8,7 +8,7 @@
 		"stop": "wp-env stop",
 		"clean": "wp-env clean",
 		"destroy": "wp-env destroy",
-		"test:php": "wp-env run phpunit 'phpunit -c /var/www/html/wp-content/plugins/microsub/phpunit.xml.dist'"
+		"test:php": "wp-env run tests-cli --env-cwd=wp-content/plugins/microsub vendor/bin/phpunit"
 	},
 	"devDependencies": {
 		"@wordpress/env": "^10.0.0"

tests/phpunit/bootstrap.php

@@ -11,29 +11,22 @@
 	$_tests_dir = rtrim( sys_get_temp_dir(), '/\\' ) . '/wordpress-tests-lib';
 }
 
-// Forward custom PHPUnit Polyfills configuration to PHPUnit bootstrap file.
-$_phpunit_polyfills_path = getenv( 'WP_TESTS_PHPUNIT_POLYFILLS_PATH' );
-if ( false !== $_phpunit_polyfills_path ) {
-	define( 'WP_TESTS_PHPUNIT_POLYFILLS_PATH', $_phpunit_polyfills_path );
-}
-
-if ( ! file_exists( "{$_tests_dir}/includes/functions.php" ) ) {
+if ( ! file_exists( $_tests_dir . '/includes/functions.php' ) ) {
 	// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- CLI output.
 	echo "Could not find {$_tests_dir}/includes/functions.php, have you run bin/install-wp-tests.sh ?" . PHP_EOL;
 	exit( 1 );
 }
 
 // Give access to tests_add_filter() function.
-require_once "{$_tests_dir}/includes/functions.php";
+require_once $_tests_dir . '/includes/functions.php';
 
 /**
  * Manually load the plugin being tested.
  */
 function _manually_load_plugin() {
 	require dirname( __DIR__, 2 ) . '/microsub.php';
 }
-
 tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
 
 // Start up the WP testing environment.
-require "{$_tests_dir}/includes/bootstrap.php";
+require $_tests_dir . '/includes/bootstrap.php';

tests/phpunit/tests/class-test-rest-controller.php

@@ -82,20 +82,15 @@ public function test_register_routes() {
 	 *
 	 * @covers ::get_channels
 	 */
-	public function test_get_channels_returns_core_channels() {
+	public function test_get_channels_returns_501_without_adapter() {
 		wp_set_current_user( $this->user_id );
 
 		$request = new WP_REST_Request( 'GET', '/microsub/1.0/endpoint' );
 		$request->set_param( 'action', 'channels' );
 
 		$response = $this->server->dispatch( $request );
-		$data     = $response->get_data();
 
-		$this->assertEquals( 200, $response->get_status() );
-		$this->assertArrayHasKey( 'channels', $data );
-		$this->assertNotEmpty( $data['channels'] );
-		$uids = wp_list_pluck( $data['channels'], 'uid' );
-		$this->assertTrue( in_array( 'wp-dashboard', $uids, true ), 'Expected wp-dashboard channel' );
+		$this->assertEquals( 501, $response->get_status() );
 	}
 
 	/**