Move Addresses into Service

tests/Unit/Service/AddressesTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Opdavies\Tests\GmailFilterBuilder\Model;
+
+use Opdavies\GmailFilterBuilder\Service\Addresses;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test loading addresses from a separate file.
+ *
+ * @coversDefaultClass \Opdavies\GmailFilterBuilder\Service\Addresses
+ */
+class AddressesTest extends TestCase
+{
+    /**
+     * @covers ::load
+     */
+    public function testLoad()
+    {
+        $this->assertEquals([
+            'foo@example.com',
+            'bar@example.com'
+        ], FakeAddresses::load());
+    }
+}
+
+class FakeAddresses extends Addresses
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function getDirectoryPath()
+    {
+        return __DIR__ . '/../../stubs/';
+    }
+}