1 files changed, 68 insertions, 0 deletions
diff --git a/tests/lib/AppFramework/Bootstrap/FunctionInjectorTest.php b/tests/lib/AppFramework/Bootstrap/FunctionInjectorTest.php
new file mode 100644
index 00000000000..8f6944ce34f
--- /dev/null
+++ b/tests/lib/AppFramework/Bootstrap/FunctionInjectorTest.php
@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace lib\AppFramework\Bootstrap;
+
+use OC\AppFramework\Bootstrap\FunctionInjector;
+use OC\AppFramework\Utility\SimpleContainer;
+use OCP\AppFramework\QueryException;
+use Test\TestCase;
+
+interface Foo {
+}
+
+class FunctionInjectorTest extends TestCase {
+	/** @var SimpleContainer */
+	private $container;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->container = new SimpleContainer();
+	}
+
+	public function testInjectFnNotRegistered(): void {
+		$this->expectException(QueryException::class);
+
+		(new FunctionInjector($this->container))->injectFn(static function (Foo $p1): void {
+		});
+	}
+
+	public function testInjectFnNotRegisteredButNullable(): void {
+		(new FunctionInjector($this->container))->injectFn(static function (?Foo $p1): void {
+		});
+
+		// Nothing to assert. No errors means everything is fine.
+		$this->addToAssertionCount(1);
+	}
+
+	public function testInjectFnByType(): void {
+		$this->container->registerService(Foo::class, function () {
+			$this->addToAssertionCount(1);
+			return new class implements Foo {
+			};
+		});
+
+		(new FunctionInjector($this->container))->injectFn(static function (Foo $p1): void {
+		});
+
+		// Nothing to assert. No errors means everything is fine.
+		$this->addToAssertionCount(1);
+	}
+
+	public function testInjectFnByName(): void {
+		$this->container->registerParameter('test', 'abc');
+
+		(new FunctionInjector($this->container))->injectFn(static function ($test): void {
+		});
+
+		// Nothing to assert. No errors means everything is fine.
+		$this->addToAssertionCount(1);
+	}
+}