Use a Makefile instead of script to run tests

Ensuring that CI also uses the same commands.

Author: lcobucci

.travis.yml

@@ -20,7 +20,7 @@ install: travis_retry composer update --prefer-dist
 
 script:
   - vendor/bin/phpcs
-  - vendor/bin/phpcs $(find tests/input/* | sort) --report=summary --report-file=phpcs.log; diff tests/expected_report.txt phpcs.log
+  - make test-report
 
 stages:
   - Validate against schema
@@ -41,6 +41,4 @@ jobs:
         - xmllint --noout --schema vendor/squizlabs/php_codesniffer/phpcs.xsd lib/Doctrine/ruleset.xml
 
     - stage: Apply fixes
-      before_script:
-        - cp -R tests/input/ tests/input2/
-      script: vendor/bin/phpcbf tests/input2; [ $? -ne 2 ] && diff tests/input2 tests/fixed
+      script: make test-fix

Makefile

@@ -0,0 +1,15 @@
+.PHONY: test test-report test-fix
+
+test: test-report test-fix
+
+test-report: vendor
+	@vendor/bin/phpcs `find tests/input/* | sort` --report=summary --report-file=phpcs.log; diff tests/expected_report.txt phpcs.log
+
+
+test-fix: vendor
+	@cp -R tests/input/ tests/input2/
+	@vendor/bin/phpcbf tests/input2; diff tests/input2 tests/fixed; if [ $$? -ne 0 ]; then rm -rf tests/input2/; exit 1; fi
+	@rm -rf tests/input2/
+
+vendor: composer.json
+	composer update