style: clean up the bootstrap file

Author: carlalexander

tests/bootstrap.php

@@ -1,28 +1,30 @@
 <?php
 /**
  * PHPUnit bootstrap file
- *
- * @package eyepatch-manager
  */
 
-if ( getenv( 'WP_LOCAL_TESTING' ) === 'true' ) {
-	require dirname(dirname(__FILE__)) . '/vendor/yoast/phpunit-polyfills/phpunitpolyfills-autoload.php';
-}
-
 $_tests_dir = getenv( 'WP_TESTS_DIR' );
+
 if ( ! $_tests_dir ) {
-	$_tests_dir = '/tmp/wordpress-tests-lib';
+    $_tests_dir = rtrim( sys_get_temp_dir(), '/\\' ) . '/wordpress-tests-lib';
+}
+
+// Forward custom PHPUnit Polyfills configuration to PHPUnit bootstrap file.
+$_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" ) ) {
+    echo "Could not find {$_tests_dir}/includes/functions.php, have you run bin/install-wp-tests.sh ?" . PHP_EOL; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+    exit( 1 );
 }
 
-/**
- * The path to the main file of the plugin to test.
- */
 define( 'WP_USE_THEMES', false );
 define( 'WP_TESTS_FORCE_KNOWN_BUGS', true );
 define( 'OPTML_PHPUNIT_TESTING', true );
 // 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.
@@ -67,10 +69,17 @@ function( $message ) {
 }
 
 tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
+
 // Start up the WP testing environment.
 require $_tests_dir . '/includes/bootstrap.php';
+
+// Activate Optimole plugin
 activate_plugin( 'optimole-wp/optimole-wp.php' );
+
+// Set up the current logged in user
 global $current_user;
+
 $current_user = new WP_User( 1 );
 $current_user->set_role( 'administrator' );
+
 wp_update_user( array( 'ID' => 1, 'first_name' => 'Admin', 'last_name' => 'User' ) );