Update travis-ci configuration for Lumen

Signed-off-by: Cy Rossignol <[email protected]>

Author: cyrossignol

.travis.yml

@@ -14,6 +14,10 @@ env:
     - LARAVEL_VERSION=5.1.*
     - LARAVEL_VERSION=5.2.*
     - LARAVEL_VERSION=5.3.*
+    - LUMEN_VERSION=5.0.*
+    - LUMEN_VERSION=5.1.*
+    - LUMEN_VERSION=5.2.*
+    - LUMEN_VERSION=5.3.*
 
 matrix:
     exclude:
@@ -23,13 +27,26 @@ matrix:
           env: LARAVEL_VERSION=5.2.*
         - php: 5.4
           env: LARAVEL_VERSION=5.3.*
+        - php: 5.4
+          env: LUMEN_VERSION=5.1.*
+        - php: 5.4
+          env: LUMEN_VERSION=5.2.*
+        - php: 5.4
+          env: LUMEN_VERSION=5.3.*
         - php: 5.5
           env: LARAVEL_VERSION=5.3.*
+        - php: 5.5
+          env: LUMEN_VERSION=5.3.*
         - php: 7.1
           env: LARAVEL_VERSION=5.0.*
+        - php: 7.1
+          env: LUMEN_VERSION=5.0.*
 
 before_script:
+    - if [ -n "$LARAVEL_VERSION" ]; then composer remove --dev --no-update "laravel/lumen-framework"; fi
     - if [ -n "$LARAVEL_VERSION" ]; then composer require --no-update "laravel/framework:$LARAVEL_VERSION"; fi
+    - if [ -n "$LUMEN_VERSION" ]; then composer remove --dev --no-update "laravel/framework"; fi
+    - if [ -n "$LUMEN_VERSION" ]; then composer require --no-update "laravel/lumen-framework:$LUMEN_VERSION"; fi
     - composer install --prefer-source --no-interaction
 
 script: