Add Infection (#172)

Run mutation testing with scoped Infection

Author: theofidry

.travis.yml

@@ -8,7 +8,7 @@ cache:
 
 matrix:
   include:
-    - php: '7.1'
+    - php: '7.2'
       env: COVERAGE='true'
     - php: '7.1'
     - php: nightly
@@ -18,7 +18,6 @@ matrix:
 
 before_install:
   - echo "memory_limit=-1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
-  - phpenv config-rm xdebug.ini || true
   - |
     if [ 'false' == "$TRAVIS_PULL_REQUEST" ]; then
       cp box.json.dist box.json
@@ -35,7 +34,7 @@ script:
         make tc
         make e2e
     else
-        make tu
+        make tm
     fi
 
 deploy:

Makefile

@@ -57,8 +57,12 @@ tc:		## Run PHPUnit tests with test coverage
 tc: vendor/bin/phpunit
 	phpdbg -qrr -d zend.enable_gc=0 $(PHPUNIT) --coverage-html=dist/coverage --coverage-text
 
+tm:		## Run Infection (Mutation Testing)
+tm: vendor/bin/phpunit
+	$(MAKE) e2e_020
+
 e2e:		## Run end-to-end tests
-e2e: e2e_004 e2e_005 e2e_011 e2e_013 e2e_014 e2e_015 e2e_016 e2e_017 e2e_018 e2e_019
+e2e: e2e_004 e2e_005 e2e_011 e2e_013 e2e_014 e2e_015 e2e_016 e2e_017 e2e_018 e2e_019 e2e_020
 
 e2e_004:	## Run end-to-end tests for the fixture set 004: source code case
 e2e_004: bin/php-scoper.phar
@@ -145,6 +149,13 @@ e2e_019: bin/php-scoper.phar fixtures/set019-symfony-console/vendor
 	php build/set019-symfony-console/main.php > build/set019-symfony-console/output
 	diff fixtures/set019-symfony-console/expected-output build/set019-symfony-console/output
 
+e2e_020:	## Run end-to-end tests for the fixture set 020: Infection
+e2e_020: bin/php-scoper.phar fixtures/set020-infection/vendor
+	php -d zend.enable_gc=0 $(PHPSCOPER) add-prefix --working-dir=fixtures/set020-infection --output-dir=../../build/set020-infection --force --no-interaction --stop-on-failure
+	composer --working-dir=build/set020-infection dump-autoload
+
+	php build/set020-infection/vendor/infection/infection/bin/infection
+
 tb:		## Run Blackfire profiling
 tb: vendor
 	rm -rf build
@@ -195,6 +206,9 @@ fixtures/set018-nikic-parser/vendor: fixtures/set018-nikic-parser/composer.lock
 fixtures/set019-symfony-console/vendor: fixtures/set019-symfony-console/composer.lock
 	composer --working-dir=fixtures/set019-symfony-console install
 
+fixtures/set020-infection/vendor: fixtures/set020-infection/composer.lock
+	composer --working-dir=fixtures/set020-infection install
+
 composer.lock: composer.json
 	@echo composer.lock is not up to date.
 
@@ -222,6 +236,9 @@ fixtures/set018-nikic-parser/composer.lock: fixtures/set018-nikic-parser/compose
 fixtures/set019-symfony-console/composer.lock: fixtures/set019-symfony-console/composer.json
 	@echo fixtures/set019-symfony-console/composer.lock is not up to date.
 
+fixtures/set020-infection/composer.lock: fixtures/set020-infection/composer.json
+	@echo fixtures/set020-infection/composer.lock is not up to date.
+
 bin/php-scoper.phar: bin/php-scoper src vendor vendor-bin/box/vendor scoper.inc.php box.json
 	$(MAKE) build
 

fixtures/set018-nikic-parser/composer.lock

@@ -1,9 +1,9 @@
 array(
-    0: rser_Node_Stmt_Function(
+    0: Stmt_Function(
         byRef: false
         name: test
         params: array(
-            0: rser_Node_Param(
+            0: Param(
                 type: null
                 byRef: false
                 variadic: false
@@ -13,15 +13,15 @@ array(
         )
         returnType: null
         stmts: array(
-            0: rser_Node_Expr_FuncCall(
-                name: rser_Node_Name(
+            0: Expr_FuncCall(
+                name: Name(
                     parts: array(
                         0: var_dump
                     )
                 )
                 args: array(
-                    0: rser_Node_Arg(
-                        value: rser_Node_Expr_Variable(
+                    0: Arg(
+                        value: Expr_Variable(
                             name: foo
                         )
                         byRef: false

fixtures/set018-nikic-parser/expected-output

@@ -0,0 +1,6 @@
+{
+    "require": {
+        "infection/infection": "dev-master",
+        "nikic/php-parser": "v3.1.4"
+    }
+}