1 files changed, 66 insertions, 0 deletions
diff --git a/tests/Core/Command/Config/System/CastHelperTest.php b/tests/Core/Command/Config/System/CastHelperTest.php
new file mode 100644
index 00000000000..924887daaf7
--- /dev/null
+++ b/tests/Core/Command/Config/System/CastHelperTest.php
@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+namespace Core\Command\Config\System;
+
+use OC\Core\Command\Config\System\CastHelper;
+use Test\TestCase;
+
+class CastHelperTest extends TestCase {
+	private CastHelper $castHelper;
+
+	protected function setUp(): void {
+		parent::setUp();
+		$this->castHelper = new CastHelper();
+	}
+
+	public static function castValueProvider(): array {
+		return [
+			[null, 'string', ['value' => '', 'readable-value' => 'empty string']],
+
+			['abc', 'string', ['value' => 'abc', 'readable-value' => 'string abc']],
+
+			['123', 'integer', ['value' => 123, 'readable-value' => 'integer 123']],
+			['456', 'int', ['value' => 456, 'readable-value' => 'integer 456']],
+
+			['2.25', 'double', ['value' => 2.25, 'readable-value' => 'double 2.25']],
+			['0.5', 'float', ['value' => 0.5, 'readable-value' => 'double 0.5']],
+
+			['', 'null', ['value' => null, 'readable-value' => 'null']],
+
+			['true', 'boolean', ['value' => true, 'readable-value' => 'boolean true']],
+			['false', 'bool', ['value' => false, 'readable-value' => 'boolean false']],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('castValueProvider')]
+	public function testCastValue($value, $type, $expectedValue): void {
+		$this->assertSame(
+			$expectedValue,
+			$this->castHelper->castValue($value, $type)
+		);
+	}
+
+	public static function castValueInvalidProvider(): array {
+		return [
+			['123', 'foobar'],
+
+			[null, 'integer'],
+			['abc', 'integer'],
+			['76ggg', 'double'],
+			['true', 'float'],
+			['foobar', 'boolean'],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('castValueInvalidProvider')]
+	public function testCastValueInvalid($value, $type): void {
+		$this->expectException(\InvalidArgumentException::class);
+
+		$this->castHelper->castValue($value, $type);
+	}
+}