Merge pull request #6 from wp-phpunit/add-polyfills

Author: aaemnnosttv

.travis.yml

@@ -1,3 +1,7 @@
+branches:
+  only:
+    - master
+
 language: php
 
 services:
@@ -27,8 +31,11 @@ before_script:
 install:
   - composer validate --strict
   - composer require --no-update --dev roots/wordpress:${WP_VERSION} wp-phpunit/wp-phpunit:${WP_VERSION}
-  - composer install
-  - "[ $TRAVIS_PHP_VERSION != '8.0' ] || composer update phpunit/phpunit --ignore-platform-reqs --with-dependencies"
+  - "[ $TRAVIS_PHP_VERSION == '8.0' ] || composer install"
+  # Temporary hack to allow installing PHPUnit 7 with PHP 8 until WP 5.9.
+  # as WP PHPUnit does not allow PHPUnit higher than 7 yet.
+  # See https://github.com/WordPress/wordpress-develop/commit/8def694fe4c5df95f8e20e40389faf9cb92b6dca
+  - "[ $TRAVIS_PHP_VERSION != '8.0' ] || composer install --ignore-platform-reqs"
   - composer show
 
 script:

composer.json

@@ -20,7 +20,8 @@
     "require-dev": {
         "phpunit/phpunit": "^5 || ^6 || ^7",
         "roots/wordpress": "^5.0",
-        "wp-phpunit/wp-phpunit": "^5.0"
+        "wp-phpunit/wp-phpunit": "^5.0",
+        "yoast/phpunit-polyfills": "^1.0"
     },
     "scripts": {
         "test": "phpunit"