BaseDriver: fix parsing of SQL with consecutive delimiters [closes #112]

Author: JanTvrdik

src/Drivers/BaseDriver.php

@@ -86,7 +86,7 @@ public function loadFile($path)
 		];
 
 		while (TRUE) {
-			if (preg_match($delimiterRe, $content, $match, 0, $queryOffset)) {
+			while (preg_match($delimiterRe, $content, $match, 0, $queryOffset)) {
 				$delimiter = $match[1];
 				$queryOffset += strlen($match[0]);
 				$parseOffset += strlen($match[0]);

tests/cases/unit/BaseDriverTest.phpt

@@ -95,6 +95,30 @@ class BaseDriverTest extends Tester\TestCase
 					"\n--\nSELECT 2",
 				],
 			],
+			[
+				implode("\n", [
+					'DELIMITER ;;',
+					'SELECT 1;;',
+					'DELIMITER ;',
+					'DELIMITER ;;',
+					'SELECT 2;;',
+					'DELIMITER ;',
+				]),
+				[
+					"\nSELECT 1",
+					"\nSELECT 2",
+				]
+			],
+			[
+				implode("\n", [
+					'SELECT 1;',
+					'DELIMITER ;;',
+					'DELIMITER ;',
+				]),
+				[
+					"SELECT 1",
+				]
+			],
 		];
 	}
 }