tests: cover Driver::cleanCache() and Driver::withoutCache()

(cherry picked from commit cad1ce4)

Author: roxblnfk

src/Driver/Driver.php

@@ -106,6 +106,7 @@ public function withoutCache(): static
 
         $driver = clone $this;
         $driver->useCache = false;
+        $driver->queryCache = [];
 
         return $driver;
     }

tests/Database/Functional/Driver/Common/Driver/DriverTest.php

@@ -4,6 +4,9 @@
 
 namespace Cycle\Database\Tests\Functional\Driver\Common\Driver;
 
+use Cycle\Database\Config\DriverConfig;
+use Cycle\Database\Driver\Driver;
+use Cycle\Database\Exception\StatementException;
 use Cycle\Database\Tests\Functional\Driver\Common\BaseTest;
 
 abstract class DriverTest extends BaseTest
@@ -59,4 +62,62 @@ public function datetimeDataProvider(): \Traversable
         yield [new class('2000-01-23T01:23:45.678+09:00') extends \DateTimeImmutable {}];
         yield [new class('2000-01-23T01:23:45.678+09:00') extends \DateTime {}];
     }
+
+    public function testClearCache(): void
+    {
+        $driver = $this->mockDriver();
+
+        $driver->testPolluteCache();
+        self::assertNotEmpty($driver->testGetCache());
+
+        $driver->clearCache();
+
+        self::assertEmpty($driver->testGetCache());
+    }
+
+    public function testWithoutCache(): void
+    {
+        $driver = $this->mockDriver();
+        $driver->testPolluteCache();
+        self::assertNotEmpty($driver->testGetCache());
+
+        $new = $driver->withoutCache();
+
+        self::assertNotEmpty($driver->testGetCache());
+        self::assertEmpty($new->testGetCache());
+    }
+
+    private function mockDriver(): Driver
+    {
+        return new class extends Driver {
+            public function __construct() {}
+
+            public function testPolluteCache(): void
+            {
+                $this->queryCache[] = ['sql' => 'SELECT * FROM table', 'params' => []];
+            }
+
+            public function testGetCache(): array
+            {
+                return $this->queryCache;
+            }
+
+            protected function mapException(\Throwable $exception, string $query): StatementException
+            {
+                throw new \Exception('not needed');
+            }
+
+            public static function create(DriverConfig $config): \Cycle\Database\Driver\DriverInterface
+            {
+                throw new \Exception('not needed');
+            }
+
+            public function getType(): string
+            {
+                throw new \Exception('not needed');
+            }
+
+            public function __clone(): void {}
+        };
+    }
 }