Initial SQLite development (#1)

Reviewed-on: #1

tests/unit/Mapper/ArrayMapperTest.php

@@ -0,0 +1,19 @@
+<?php declare(strict_types=1);
+
+namespace Test\Unit\Mapper;
+
+use BitBadger\PDODocument\Mapper\ArrayMapper;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Unit tests for the ArrayMapper class
+ */
+class ArrayMapperTest extends TestCase
+{
+    public function testMapSucceeds(): void
+    {
+        $result = ['one' => 2, 'three' => 4, 'eight' => 'five'];
+        $mapped = (new ArrayMapper())->map($result);
+        $this->assertSame($result, $mapped, 'The array mapper should return the parameter given to it');
+    }
+}