FileUpload: Initialize properties (#235)

Co-authored-by: David Grudl <david@grudl.com>

src/Http/FileUpload.php

@@ -33,13 +33,13 @@ final class FileUpload
 	/** @deprecated */
 	public const IMAGE_MIME_TYPES = ['image/gif', 'image/png', 'image/jpeg', 'image/webp'];
 
-	private readonly string $name;
-	private readonly string|null $fullPath;
+	private ?string $name = null;
+	private string|null $fullPath;
 	private string|false|null $type = null;
 	private string|false|null $extension = null;
-	private readonly int $size;
-	private string $tmpName;
-	private readonly int $error;
+	private int $size = 0;
+	private ?string $tmpName = null;
+	private ?int $error;
 
 
 	public function __construct(?array $value)
@@ -51,11 +51,11 @@ public function __construct(?array $value)
 			}
 		}
 
-		$this->name = $value['name'];
+		$this->name = $value['name'] ?? null;
 		$this->fullPath = $value['full_path'] ?? null;
-		$this->size = $value['size'];
-		$this->tmpName = $value['tmp_name'];
-		$this->error = $value['error'];
+		$this->size = isset($value['size']) ? (int) $value['size'] : 0;
+		$this->tmpName = $value['tmp_name'] ?? null;
+		$this->error = $value['error'] ?? null;
 	}
 
 
@@ -170,12 +170,12 @@ public function getTemporaryFile(): string
 	 */
 	public function __toString(): string
 	{
-		return $this->tmpName;
+		return $this->tmpName ?? '';
 	}
 
 
 	/**
-	 * Returns the error code. It is be one of UPLOAD_ERR_XXX constants.
+	 * Returns the error code. It has to be one of UPLOAD_ERR_XXX constants.
 	 * @see http://php.net/manual/en/features.file-upload.errors.php
 	 */
 	public function getError(): int

tests/Http/FileUpload.basic.phpt

@@ -29,6 +29,7 @@ test('', function () {
 	Assert::same(209, $upload->getSize());
 	Assert::same(__DIR__ . '/files/file.txt', $upload->getTemporaryFile());
 	Assert::same(__DIR__ . '/files/file.txt', (string) $upload);
+	Assert::same(__DIR__ . '/files/file.txt', $upload->__toString());
 	Assert::same(0, $upload->getError());
 	Assert::true($upload->isOk());
 	Assert::true($upload->hasFile());
@@ -71,4 +72,6 @@ test('', function () {
 	Assert::null($upload->getContentType());
 	Assert::false($upload->isImage());
 	Assert::null($upload->getSuggestedExtension());
+	Assert::same('', (string) $upload);
+	Assert::same('', $upload->__toString());
 });