Configure QA tools

Author: lcobucci

.gitignore

@@ -1,5 +1,5 @@
 /vendor/
 /composer.lock
 /.phpcs.cache
-/infection-log.txt
+/infection.log
 /.phpunit.result.cache

infection.json.dist

@@ -0,0 +1,9 @@
+{
+    "timeout": 1,
+    "source": {
+        "directories": ["src"]
+    },
+    "logs": {
+        "text": "infection.log"
+    }
+}

phpcs.xml.dist

@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<ruleset>
+    <arg name="basepath" value="." />
+    <arg name="extensions" value="php" />
+    <arg name="parallel" value="80" />
+    <arg name="colors" />
+    <arg name="cache" value=".phpcs.cache" />
+    <arg value="p" />
+
+    <file>src</file>
+    <file>tests</file>
+
+    <rule ref="Lcobucci" />
+</ruleset>

phpstan.neon.dist

@@ -0,0 +1,11 @@
+includes:
+    - vendor/phpstan/phpstan-phpunit/extension.neon
+    - vendor/phpstan/phpstan-phpunit/rules.neon
+    - vendor/phpstan/phpstan-deprecation-rules/rules.neon
+    - vendor/phpstan/phpstan-strict-rules/rules.neon
+
+parameters:
+    level: 7
+    paths:
+        - src
+        - tests

phpunit.xml.dist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+    colors="true"
+    verbose="true"
+    beStrictAboutOutputDuringTests="true"
+    beStrictAboutTodoAnnotatedTests="true"
+    beStrictAboutChangesToGlobalState="true"
+    beStrictAboutCoversAnnotation="true"
+    beStrictAboutResourceUsageDuringSmallTests="true"
+    forceCoversAnnotation="true"
+>
+    <testsuites>
+        <testsuite name="unit">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>src</directory>
+        </whitelist>
+    </filter>
+</phpunit>