wordpress-activitypub/tests/bootstrap.php

<?php

$_tests_dir = \getenv( 'WP_TESTS_DIR' );

if ( ! $_tests_dir ) {
	$_tests_dir = \rtrim( \sys_get_temp_dir(), '/\\' ) . '/wordpress-tests-lib';
}

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 );
}

// Give access to tests_add_filter() function.
require_once $_tests_dir . '/includes/functions.php';

/**
 * Manually load the plugin being tested.
 */
function _manually_load_plugin() {
	require \dirname( \dirname( __FILE__ ) ) . '/activitypub.php';

	// Load the Friends plugin if available to test the integrations.
	$friends_plugin = \dirname( \dirname( \dirname( __FILE__ ) ) ) . '/friends/friends.php';
	if ( file_exists( $friends_plugin ) ) {
		require $friends_plugin;
	}
}
\tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );

// Start up the WP testing environment.
require $_tests_dir . '/includes/bootstrap.php';