Add .travis.yml

Author: sanmai

.gitignore

@@ -2,4 +2,4 @@
 /.idea
 /.php_cs.cache
 /vendor/
-/.composer.lock
+/composer.lock

.travis.yml

@@ -0,0 +1,20 @@
+language: php
+php:
+  - 7.3
+  - 7.4
+  - nightly
+
+cache:
+  directories:
+    - $HOME/.composer
+    - build/cache
+
+install:
+  - phpenv config-rm xdebug.ini || true
+  - if [[ $TRAVIS_PHP_VERSION = nightly ]]; then export COMPOSER_FLAGS="--ignore-platform-reqs"; fi
+  - travis_retry composer install --prefer-dist $COMPOSER_FLAGS
+
+script:
+  - composer normalize --no-check-lock --diff --dry-run
+  - php vendor/bin/phpunit
+

composer.json

@@ -1,18 +1,24 @@
 {
     "name": "infection/abstract-testframework-adapter",
-    "description": "Abstract Test Framework Adapter for Infection",
     "type": "library",
+    "description": "Abstract Test Framework Adapter for Infection",
     "license": "BSD-3-Clause",
     "authors": [
         {
             "name": "Maks Rafalko",
             "email": "[email protected]"
         }
     ],
+    "require": {
+        "php": "^7.3 || ^8.0"
+    },
+    "require-dev": {
+        "ergebnis/composer-normalize": "^2.8",
+        "phpunit/phpunit": "^9.0"
+    },
     "config": {
         "sort-packages": true
     },
-
     "autoload": {
         "psr-4": {
             "Infection\\AbstractTestFramework\\": "src/"
@@ -22,12 +28,5 @@
         "psr-4": {
             "Infection\\AbstractTestFramework\\": "tests/"
         }
-    },
-
-    "require": {
-        "php": "^7.3 || ^8.0"
-    },
-    "require-dev": {
-        "phpunit/phpunit": "^9.0"
     }
 }