Add PHPUnit to travis conf

.travis.yml

@@ -3,6 +3,8 @@ php:
     - 5.6
     - 7.0
     - 7.1
+    - 7.2
+    - 7.3
 
 branches:
     only:
@@ -12,3 +14,4 @@ install:
     - composer install --prefer-source
 script:
     - ./vendor/bin/phpspec run
+    - ./vendor/bin/phpunit

composer.json

@@ -3,14 +3,18 @@
     "license": "MIT",
     "description": "Just some tools to work better with PHP",
     "autoload": {
-        "psr-4": { "Nekland\\Tools\\": "src/Tools/" }
+        "psr-4": { "Nekland\\Tools\\": "src/Tools/", "Nekland\\Utils\\": "src/Utils/" }
+    },
+    "autoload-dev": {
+        "psr-4": { "Nekland\\Utils\\Test\\": "tests/Nekland/Utils/" }
     },
     "require": {
         "php": "^5.6 || ^7.0"
     },
     "require-dev": {
         "phpspec/phpspec": "^3.2",
-        "bossa/phpspec2-expect": "^2.3"
+        "bossa/phpspec2-expect": "^2.3",
+        "phpunit/phpunit": "^7.5"
     },
     "_comment": [
         "PHPSpec is limited to ^3.2 to keep compatibility with PHP5.6"

phpunit.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit bootstrap="vendor/autoload.php" colors="true">
+    <testsuites>
+        <testsuite name="Nekland Tools">
+            <directory suffix="Test.php">./tests/Nekland</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>./</directory>
+            <exclude>
+                <directory>./docs</directory>
+                <directory>./tests</directory>
+                <directory>./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>