Add tests for color helper

app/Helpers/Helper.php

@@ -73,10 +73,14 @@ class Helper
      *
      * @author [A. Gianotto] [<snipe@snipe.net>]
      * @since [v3.3]
-     * @return array
+     * @return string
      */
-    public static function defaultChartColors($index = 0)
+    public static function defaultChartColors(int $index = 0)
     {
+        if ($index < 0) {
+            $index = 0;
+        }
+
         $colors = [
             '#008941',
             '#FF4A46',
@@ -359,8 +363,8 @@ class Helper
             if($index < 0) {
                 $index = 0;
             }
-            elseif($index > 265) {
-                $index = 265;
+            elseif($index >($total_colors - 1)) {
+                $index = $total_colors - 1;
             }
         }
 

tests/Feature/DefaultColorKeyTest.php

@@ -1,21 +0,0 @@
-<?php
-
-namespace Tests\Feature;
-
-use App\Models\Statuslabel;
-use Tests\TestCase;
-use App\Models\Asset;
-
-class DefaultColorKeyTest extends TestCase
-{
-    public function DefaultColorKeyTest()
-    {
-        Statuslabel::factory()->hasAssets(1)->count(255)->create();
-
-        $this->defaultChartColors($index);
-
-        $this->assertArrayHasKey('index', ($index)[0]);
-
-
-    }
-}

tests/Unit/Helpers/HelperTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Tests\Unit\Helpers;
+
+use App\Helpers\Helper;
+use Tests\TestCase;
+
+class HelperTest extends TestCase
+{
+    public function testDefaultChartColorsMethodHandlesHighValues()
+    {
+        $this->assertIsString(Helper::defaultChartColors(1000));
+    }
+
+    public function testDefaultChartColorsMethodHandlesNegativeNumbers()
+    {
+        $this->assertIsString(Helper::defaultChartColors(-1));
+    }
+}