Revert "Fixup"

This reverts commit 8dae06d.

Author: vmcj

webapp/tests/Twig/TwigExtensionTest.php

@@ -0,0 +1,31 @@
+<?php declare(strict_types=1);
+
+namespace App\Tests\Unit\Twig;
+
+use App\Twig\TwigExtension;
+use PHPUnit\Framework\TestCase;
+
+class TwigExtensionTest extends TestCase
+{
+    /**
+     * Test that the APCA contrast function returns the correct data
+     */
+    public function testApcaContrast(): void
+    {
+        self::assertEquals(0.0, TwigExtension::apcaContrast("#ffffff",   "#000000"));
+        self::assertEquals(0.0, TwigExtension::apcaContrast("#000000",   "#ffffff"));
+        self::assertEquals(0.0, TwigExtension::apcaContrast("#fffFFF",   "#FFFfff"));
+        self::assertEquals(0.0, TwigExtension::apcaContrast("#fff",      "#fff"));
+        self::assertEquals(0.0, TwigExtension::apcaContrast("#123f",     "#975A"));
+        self::assertEquals(0.0, TwigExtension::apcaContrast("#11223344", "#00110011"));
+    }
+
+    public function testRelativeLuminance(): void
+    {
+        self::assertEquals(0.0, TwigExtension::relativeLuminance("#000000"));
+        self::assertEquals(0.0, TwigExtension::relativeLuminance("#FFFfff"));
+        self::assertEquals(0.0, TwigExtension::relativeLuminance("#FFFfffFF"));
+        self::assertEquals(0.0, TwigExtension::relativeLuminance("#123"));
+        self::assertEquals(0.0, TwigExtension::relativeLuminance("#1234"));
+    }
+}