From 1ef40b14cd351eb40084dc92a1b2d3af8e3bd33e Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Thu, 23 Jul 2020 23:26:50 +0000
Subject: [PATCH] Build/Test Tools: Check if all the required constants are
 defined before running the test suite.

Follow-up to [47904].

Props azaozz, TimothyBlynJacobs, SergeyBiryukov.
Fixes #50251.

git-svn-id: https://develop.svn.wordpress.org/trunk@48592 602fd350-edb4-49c9-b593-d223f7449a82
---
 tests/phpunit/includes/bootstrap.php | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/tests/phpunit/includes/bootstrap.php b/tests/phpunit/includes/bootstrap.php
index 8c88fc45e2..5c03c46d58 100644
--- a/tests/phpunit/includes/bootstrap.php
+++ b/tests/phpunit/includes/bootstrap.php
@@ -37,10 +37,12 @@ if ( ! is_readable( $config_file_path ) ) {
 require_once $config_file_path;
 require_once __DIR__ . '/functions.php';
 
-if ( version_compare( tests_get_phpunit_version(), '5.4', '<' ) || version_compare( tests_get_phpunit_version(), '8.0', '>=' ) ) {
+$phpunit_version = tests_get_phpunit_version();
+
+if ( version_compare( $phpunit_version, '5.4', '<' ) || version_compare( $phpunit_version, '8.0', '>=' ) ) {
 	printf(
 		"Error: Looks like you're using PHPUnit %s. WordPress requires at least PHPUnit 5.4 and is currently only compatible with PHPUnit up to 7.x.\n",
-		tests_get_phpunit_version()
+		$phpunit_version
 	);
 	echo "Please use the latest PHPUnit version from the 7.x branch.\n";
 	exit( 1 );
@@ -51,6 +53,23 @@ if ( defined( 'WP_RUN_CORE_TESTS' ) && WP_RUN_CORE_TESTS && ! is_dir( ABSPATH )
 	exit( 1 );
 }
 
+$required_constants = array(
+	'WP_TESTS_DOMAIN',
+	'WP_TESTS_EMAIL',
+	'WP_TESTS_TITLE',
+	'WP_PHP_BINARY',
+);
+
+foreach ( $required_constants as $constant ) {
+	if ( ! defined( $constant ) ) {
+		printf(
+			"Error: The required %s constant is not defined. Check out `wp-tests-config-sample.php` for an example.\n",
+			$constant
+		);
+		exit( 1 );
+	}
+}
+
 tests_reset__SERVER();
 
 define( 'WP_TESTS_TABLE_PREFIX', $table_prefix );