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<?php
declare(strict_types=1);
namespace Doctrine\Tests\DBAL\Driver;
use Doctrine\DBAL\Driver\Statement;
use Doctrine\DBAL\Driver\StatementIterator;
use Doctrine\Tests\DbalTestCase;
use PHPUnit\Framework\MockObject\MockObject;
use Traversable;
class StatementIteratorTest extends DbalTestCase
{
public function testIteratorIterationCallsFetchOncePerStep() : void
$stmt = $this->createMock(Statement::class);
$calls = 0;
$this->configureStatement($stmt, $calls);
$stmtIterator = new StatementIterator($stmt);
$this->assertIterationCallsFetchOncePerStep($stmtIterator, $calls);
}
private function configureStatement(MockObject $stmt, int &$calls) : void
$values = ['foo', '', 'bar', '0', 'baz', 0, 'qux', null, 'quz', false, 'impossible'];
$stmt->expects($this->exactly(10))
->method('fetch')
->willReturnCallback(static function () use ($values, &$calls) {
$value = $values[$calls];
$calls++;
return $value;
});
private function assertIterationCallsFetchOncePerStep(Traversable $iterator, int &$calls) : void
foreach ($iterator as $i => $_) {
$this->assertEquals($i + 1, $calls);
doctrine /
dbal
