Support PHPUnit 8 (#41)

Author: kubawerlos

.travis.yml

@@ -61,6 +61,7 @@ script:
     - ./run-tests.sh ~7.3.0 || travis_terminate 1
     - ./run-tests.sh ~7.4.0 || travis_terminate 1
     - ./run-tests.sh ~7.5.0 || travis_terminate 1
+    - ./run-tests.sh ~8.0.0 || travis_terminate 1
 
 jobs:
     include:

composer.json

@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": "^5.5 || ^7.0",
-        "phpunit/phpunit": "~4.0.0 || ~4.1.0 || ~4.2.0 || ~4.3.0 || ~4.4.0 || ~4.5.0 || ~4.6.0 || ~4.8.0 || ~5.3.0 || ~5.4.0 || ~5.5.0 || ~5.6.0 || ~5.7.0 || ~6.0.0 || ~6.1.0 || ~6.2.0 || ~6.3.0 || ~6.4.0 || ~6.5.0 || ~7.0.0 || ~7.1.0 || ~7.2.6 || ~7.3.0 || ~7.4.0 || ~7.5.0"
+        "phpunit/phpunit": "~4.0.0 || ~4.1.0 || ~4.2.0 || ~4.3.0 || ~4.4.0 || ~4.5.0 || ~4.6.0 || ~4.8.0 || ~5.3.0 || ~5.4.0 || ~5.5.0 || ~5.6.0 || ~5.7.0 || ~6.0.0 || ~6.1.0 || ~6.2.0 || ~6.3.0 || ~6.4.0 || ~6.5.0 || ~7.0.0 || ~7.1.0 || ~7.2.6 || ~7.3.0 || ~7.4.0 || ~7.5.0 || ~8.0.0"
     },
     "conflict": {
         "hhvm": "*"

run-tests.sh

@@ -15,7 +15,15 @@ echo -e "\e[46m§ Trying to execute tests under PHPUnit ${PHPUNIT}.\e[0m"
 rm -f composer.lock
 
 echo -e "\n\e[46m§ Installing deps...\e[0m"
+if [ ${PHPUNIT:1:1} == 8 ]
+then
+    composer require -q --dev --no-update friendsofphp/php-cs-fixer || return 0
+fi
 composer require -q --dev --no-update phpunit/phpunit:${PHPUNIT} && composer update -q $DEFAULT_COMPOSER_FLAGS && INSTALLED=1 || INSTALLED=0
+if [ $INSTALLED == 1 ] && [ ${PHPUNIT:1:1} == 8 ]
+then
+    PHP_CS_FIXER_FUTURE_MODE=1 vendor/bin/php-cs-fixer fix --rules=void_return -q tests
+fi
 git checkout composer.json
 
 if [ $INSTALLED == 0 ]