Merge pull request #24 from pamil/symfony4

Add support for Symfony 4

Author: pamil

.travis.yml

@@ -2,24 +2,26 @@ language: php
 
 php:
     - 7.1
-    - nightly
+    - 7.2
 
-matrix:
-    allow_failures:
-        - php: nightly
-    fast_finish: true
+env:
+    - SYMFONY_VERSION=3.2.*
+    - SYMFONY_VERSION=3.3.*
+    - SYMFONY_VERSION=3.4.*
+    - SYMFONY_VERSION=4.0.*
 
 cache:
     directories:
-        - vendor
+        - ~/.composer/cache/files
 
 before_install:
     - phpenv config-rm xdebug.ini || true
 
 install:
+    - composer require symfony/dependency-injection:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer update --prefer-dist
 
 script:
     - composer validate --strict
 
-    - vendor/bin/behat --strict
+    - vendor/bin/behat --strict -vvv --no-interaction

composer.json

@@ -12,7 +12,7 @@
         "php": "^7.1",
 
         "behat/behat": "^3.1",
-        "symfony/dependency-injection":  "^2.8|^3.0"
+        "symfony/dependency-injection": "^3.2|^4.0"
     },
     "require-dev": {
         "friends-of-behat/test-context": "^1.0"