add tests for ApiLegacyStorage

tests/Service/Storage/ApiLegacyStorageTest.php

@@ -1,6 +1,36 @@
 <?php
 
-class ApiLegacyStorageTest extends \PHPUnit\Framework\TestCase
+use App\Entity\Core\File;
+use App\Service\ApiLegacy\ApiLegacyRequestService;
+use App\Service\Storage\ApiLegacyStorage;
+use PHPUnit\Framework\TestCase;
+
+class ApiLegacyStorageTest extends TestCase
 {
+    public function testRead(): void
+    {
+        $apiLegacyRequestService = $this->getMockBuilder(ApiLegacyRequestService::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $apiLegacyStorageTest = $this
+            ->getMockBuilder(ApiLegacyStorage::class)
+            ->setConstructorArgs([$apiLegacyRequestService])
+            ->setMethodsExcept(['read'])
+            ->getMock();
+
+        $file = $this->getMockBuilder(File::class)->getMock();
+        $file->method('getId')->willReturn(123);
+
+        $apiLegacyRequestService
+            ->expects(self::once())
+            ->method('getContent')
+            ->with('api/files/123/download')
+            ->willReturn('xyz');
+
+        $result = $apiLegacyStorageTest->read($file);
+
+        $this->assertEquals('xyz', $result);
+    }
 
 }