diff --git a/composer.json b/composer.json
index 33b22c5..4464e00 100755
--- a/composer.json
+++ b/composer.json
@@ -13,6 +13,9 @@
         "php": ">=5.3",
         "rapidwebltd/rw-file-cache": "^1.0"
     },
+    "require-dev": {
+        "phpunit/phpunit": "^5.7"
+    },
     "autoload": {
         "psr-4": {
             "RapidWeb\\UkBankHolidays\\": "./src/"
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..0da065c
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false">
+    <testsuites>
+        <testsuite name="Unit Tests">
+            <directory suffix="Test.php">./tests/Unit</directory>
+        </testsuite>
+        <testsuite name="Functional Tests">
+            <directory suffix="Test.php">./tests/Functional</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        
+    </filter>
+    <php>
+        
+    </php>
+</phpunit>
\ No newline at end of file
diff --git a/src/example.php b/src/example.php
index 0dbc180..9174fa5 100755
--- a/src/example.php
+++ b/src/example.php
@@ -1,5 +1,5 @@
 <?php
-require_once '../vendor/autoload.php';
+require_once __DIR__.'/../vendor/autoload.php';
 
 use RapidWeb\UkBankHolidays\Factories\UkBankHolidayFactory;
 
diff --git a/tests/Functional/BasicUsageTest.php b/tests/Functional/BasicUsageTest.php
new file mode 100644
index 0000000..9d0fe96
--- /dev/null
+++ b/tests/Functional/BasicUsageTest.php
@@ -0,0 +1,26 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+use RapidWeb\UkBankHolidays\Factories\UkBankHolidayFactory;
+
+final class BasicUsageTest extends TestCase
+{
+    public function testGetNewYearsDay()
+    {
+        $holidays = UkBankHolidayFactory::getByDate(2017, 01, 2);
+
+        $this->assertTrue(is_array($holidays), 'Holidays should be an array.');
+        $this->assertEquals(1, count($holidays), 'Holidays array should have 1 value.');
+
+        $holiday = $holidays[0];
+
+        $this->assertEquals('RapidWeb\UkBankHolidays\Objects\UkBankHoliday', get_class($holiday));
+
+        $this->assertEquals('New Year’s Day', $holiday->title);
+        $this->assertEquals('2017-01-02', $holiday->date);
+        $this->assertEquals('Substitute day', $holiday->notes);
+
+    }
+
+}
\ No newline at end of file
diff --git a/tests/Unit/.keep b/tests/Unit/.keep
new file mode 100644
index 0000000..e69de29