Implemented tests for DimensionHelper

application/tests/Unit/HelperTest.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Tests\Unit\Helper;
+
+use App\Tests\AbstractTestCase;
+use App\Helper\DimensionHelper;
+use App\Helper\DimensionHelperInterface;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\Common\Collections\ArrayCollection;
+
+class HelperTest extends AbstractTestCase
+{
+    /**
+     * @var DimensionHelperInterface
+     */
+    protected $dimensionMock;
+
+    public function setUp(): void
+    {
+        $this->dimensionMock = new class() implements DimensionHelperInterface {
+            /**
+             * @var ArrayCollection
+             */
+            public $dimensionElements;
+
+            /**
+             * @var DimensionHelper
+             */
+            public $dimensionHelper;
+
+            public function __construct()
+            {
+                $this->dimensionElements = new ArrayCollection();
+                $this->dimensionHelper = new DimensionHelper('getDimensions', DimensionHelperInterface::class, $this, 'dimensionElements');
+            }
+
+            public function getDimensionElements(): Collection
+            {
+                return $this->dimensionElements;
+            }
+
+            public function getDimensions(?int $dimension = null, Collection $elements = null): Collection
+            {
+                return $this->dimensionHelper->getDimensions($dimension, $elements);
+            }
+        };
+    }
+
+    private function getContinueLoopResult($dimension): bool
+    {
+        $this->setProperty($this->dimensionMock->dimensionHelper, 'dimension', $dimension);
+
+        return $this->invokeMethod($this->dimensionMock->dimensionHelper, 'continueLoop');
+    }
+
+    public function testContinueLoop(): void
+    {
+        $this->assertTrue($this->getContinueLoopResult(null));
+        $this->assertTrue($this->getContinueLoopResult(2));
+        $this->assertTrue($this->getContinueLoopResult(1));
+        $this->assertFalse($this->getContinueLoopResult(0));
+        $this->assertFalse($this->getContinueLoopResult(-1));
+    }
+}