add infection

.gitignore

@@ -7,3 +7,4 @@ build/
 .project
 composer.lock
 coverage.xml
+infection.json

.travis.yml

@@ -9,7 +9,7 @@ before_script:
   - travis_retry composer update --no-interaction
 
 script:
-  - vendor/bin/phpunit --coverage-clover=coverage.xml
+  - composer test
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

composer.json

@@ -10,11 +10,12 @@
     }
   ],
   "require": {
-    "php": ">=5.4",
+    "php": ">=5.4 || >=7.1 || >=7.2",
     "doctrine/dbal": "~2.4",
     "doctrine/orm": "~2.4"
   },
   "require-dev": {
+    "infection/infection": "^0.13.1",
     "phpunit/phpunit": "^6.5"
   },
   "autoload": {
@@ -27,6 +28,10 @@
       "OpsWay\\Tests\\": "tests/"
     }
   },
+  "scripts": {
+    "test": "infection --threads=$(nproc) --min-msi=88 --min-covered-msi=93 --test-framework-options='--coverage-clover=build/coverage.xml'",
+    "cover": "phpunit --coverage-clover=build/coverage.xml"
+  },
   "extra": {
     "branch-alias": {
       "dev-master": "1.0-dev"

infection.json.dist

@@ -0,0 +1,15 @@
+{
+  "source": {
+    "directories": [
+      "src"
+    ]
+  },
+  "timeout": 10,
+  "logs": {
+    "text": "build/infection/mutants.log",
+    "summary": "build/infection/summary.log",
+    "perMutator": "build/infection/per-mutator.md"
+  },
+  "tmpDir": "build/infection",
+  "testFramework": "phpunit"
+}