testSerializationStability

Add new schema for PHP 7.4

Author: toban

tests/unit/ReferenceListTest.php

@@ -517,17 +517,29 @@ public function testEmptySerializationStability() {
 		$this->assertSame( 'a:0:{}', $list->serialize() );
 	}
 
+	/**
+	 * This test will change when the serialization format changes.
+	 * If it is being changed intentionally, the test should be updated.
+	 * It is just here to catch unintentional changes.
+	 */
 	public function testSerializationStability() {
 		$list = new ReferenceList();
 		$list->addNewReference( new PropertyNoValueSnak( 1 ) );
 
-		$testString = "a:1:{i:0;O:28:\"Wikibase\\DataModel\\Reference\":1:{s:35:\"\x00Wikibase\\DataModel\\"
-			. "Reference\x00snaks\";C:32:\"Wikibase\\DataModel\\Snak\\SnakList\":100:{a:2:{s:4:\""
-			. 'data";a:1:{i:0;C:43:"Wikibase\\DataModel\\Snak\\PropertyNoValueSnak":2:{P1}}s:5'
-			. ':"index";i:0;}}}}';
-
-		$secondList = new ReferenceList();
-		$secondList->unserialize( $testString );
+		/*
+		 * https://wiki.php.net/rfc/custom_object_serialization
+		 */
+		if ( version_compare( phpversion(), '7.4', '>=' ) ) {
+			$testString = "a:1:{i:0;O:28:\"Wikibase\\DataModel\\Reference\":1:{s:35:\"\x00Wikibase\\DataModel\\"
+				. "Reference\x00snaks\";O:32:\"Wikibase\\DataModel\\Snak\\SnakList\":2:{s:4:\""
+				. 'data";a:1:{i:0;C:43:"Wikibase\\DataModel\\Snak\\PropertyNoValueSnak":2:{P1}}s:5'
+				. ':"index";i:0;}}}';
+		} else {
+			$testString = "a:1:{i:0;O:28:\"Wikibase\\DataModel\\Reference\":1:{s:35:\"\x00Wikibase\\DataModel\\"
+				. "Reference\x00snaks\";C:32:\"Wikibase\\DataModel\\Snak\\SnakList\":100:{a:2:{s:4:\""
+				. 'data";a:1:{i:0;C:43:"Wikibase\\DataModel\\Snak\\PropertyNoValueSnak":2:{P1}}s:5'
+				. ':"index";i:0;}}}}';
+		}
 
 		$this->assertSame(
 			$testString,