add test

tests/Tags/IterateTest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Tests\Tags;
+
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Test;
+use Statamic\Facades\Parse;
+use Statamic\Fields\Value;
+use Statamic\Fields\Values;
+use Tests\TestCase;
+
+class IterateTest extends TestCase
+{
+    #[Test]
+    #[DataProvider('iterateProvider')]
+    public function it_iterates($value)
+    {
+        $template = '{{ foreach:fieldname }}<{{ key }},{{ value }}>{{ /foreach:fieldname }}';
+
+        $this->assertSame('<alfa,one><bravo,two>', $this->tag($template, ['fieldname' => $value]));
+    }
+
+    public static function iterateProvider()
+    {
+        return [
+            'array' => [
+                ['alfa' => 'one', 'bravo' => 'two'],
+            ],
+            'collection' => [
+                collect(['alfa' => 'one', 'bravo' => 'two']),
+            ],
+            'values' => [
+                new Values(['alfa' => 'one', 'bravo' => 'two']),
+            ],
+            'value with array' => [
+                new Value(['alfa' => 'one', 'bravo' => 'two']),
+            ],
+            'value with collection' => [
+                new Value(collect(['alfa' => 'one', 'bravo' => 'two'])),
+            ],
+            'value with values' => [
+                new Value(new Values(['alfa' => 'one', 'bravo' => 'two'])),
+            ],
+        ];
+    }
+
+    private function tag($tag, $context = [])
+    {
+        return (string) Parse::template($tag, $context);
+    }
+}