Use zumba/json-serializer for tests data output

Ref: zumba/json-serializer#46 (for why the JSON pretty print hack is needed)

Signed-off-by: William Desportes <williamdes@wdes.fr>

composer.json

@@ -26,7 +26,8 @@
         "phpstan/phpstan": "^0.12.87",
         "phpstan/phpstan-phpunit": "^0.12.16",
         "phpunit/php-code-coverage": "*",
-        "phpunit/phpunit": "^7.4 || ^8 || ^9"
+        "phpunit/phpunit": "^7.4 || ^8 || ^9",
+        "zumba/json-serializer": "^3.0"
     },
     "conflict": {
         "phpmyadmin/motranslator": "<3.0"

phpstan-baseline.neon

@@ -2170,11 +2170,6 @@ parameters:
 			count: 1
 			path: tests/TestCase.php
 
-		-
-			message: "#^Parameter \\#1 \\$variable_representation of function unserialize expects string, string\\|false given\\.$#"
-			count: 1
-			path: tests/TestCase.php
-
 		-
 			message: "#^Cannot access offset int on array\\<int, string\\>\\|false\\.$#"
 			count: 1

src/Tools/TestGenerator.php

@@ -8,20 +8,26 @@
 use PhpMyAdmin\SqlParser\Context;
 use PhpMyAdmin\SqlParser\Lexer;
 use PhpMyAdmin\SqlParser\Parser;
+use Zumba\JsonSerializer\JsonSerializer;
 
 use function file_exists;
 use function file_get_contents;
 use function file_put_contents;
 use function in_array;
 use function is_dir;
+use function json_decode;
+use function json_encode;
 use function mkdir;
 use function print_r;
 use function scandir;
-use function serialize;
 use function sprintf;
 use function strpos;
 use function substr;
 
+use const JSON_PRESERVE_ZERO_FRACTION;
+use const JSON_PRETTY_PRINT;
+use const JSON_UNESCAPED_UNICODE;
+
 /**
  * Used for test generation.
  */
@@ -148,9 +154,14 @@ public static function build($type, $input, $output, $debug = null, $ansi = fals
 
         // unset mode, reset to default every time, to be sure
         Context::setMode();
-
+        $serializer = new JsonSerializer();
         // Writing test's data.
-        file_put_contents($output, serialize($test));
+        $encoded = $serializer->serialize($test);
+        $encoded = json_encode(
+            json_decode($encoded),
+            JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION
+        );
+        file_put_contents($output, $encoded);
 
         // Dumping test's data in human readable format too (if required).
         if (empty($debug)) {

tests/TestCase.php

@@ -14,10 +14,10 @@
 use PhpMyAdmin\SqlParser\Parser;
 use PhpMyAdmin\SqlParser\TokensList;
 use PHPUnit\Framework\TestCase as BaseTestCase;
+use Zumba\JsonSerializer\JsonSerializer;
 
 use function file_get_contents;
 use function strpos;
-use function unserialize;
 
 /**
  * Implements useful methods for testing.
@@ -87,12 +87,8 @@ public function getErrorsAsArray($obj)
      */
     public function getData($name)
     {
-        /*
-         * The unrestricted unserialize() is needed here as we do have
-         * serialized objects in the tests. There should be no security risk as
-         * the test data comes with the repository.
-         */
-        $data = unserialize(file_get_contents('tests/data/' . $name . '.out'));
+        $serializer = new JsonSerializer();
+        $data = $serializer->unserialize((string) file_get_contents('tests/data/' . $name . '.out'));
         $data['query'] = file_get_contents('tests/data/' . $name . '.in');
 
         return $data;