Test lowest dependencies

Author: wouterj

.travis.yml

@@ -27,6 +27,8 @@ matrix:
       env: SYMFONY_VERSION=2.8.*
     - php: 5.6
       env: SYMFONY_VERSION=3.0.*@dev
+    - php: 5.3.3
+      env: SYMFONY_VERSION=2.3.* COMPOSER_FLAGS="--prefer-lowest"
   allow_failures:
     - php: 5.6
       env: SYMFONY_VERSION=2.8.*
@@ -37,8 +39,9 @@ matrix:
 before_install:
   - if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then echo "memory_limit = -1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi
   - composer self-update
-
-install: composer require symfony/symfony:${SYMFONY_VERSION} --prefer-dist
+  - composer require symfony/symfony:${SYMFONY_VERSION} --no-update
+    
+install: composer update $COMPOSER_FLAGS --prefer-dist
 
 script: phpunit --coverage-text
 

composer.json

@@ -23,7 +23,7 @@
     },
     "require-dev": {
         "symfony-cmf/routing-bundle": "~1.2",
-        "symfony-cmf/testing": "~1.1",
+        "symfony-cmf/testing": "dev-lowest_versions",
         "sonata-project/doctrine-phpcr-admin-bundle": "~1.1",
         "symfony/monolog-bundle": "~2.3"
     },