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<?php |
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declare(strict_types=1); |
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namespace Doctrine\Tests\DBAL\Driver; |
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use Doctrine\DBAL\Driver\IBMDB2\DB2Statement; |
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use Doctrine\DBAL\Driver\Mysqli\MysqliStatement; |
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use Doctrine\DBAL\Driver\OCI8\OCI8Statement; |
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use Doctrine\DBAL\Driver\SQLAnywhere\SQLAnywhereStatement; |
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use Doctrine\DBAL\Driver\SQLSrv\SQLSrvStatement; |
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use Doctrine\DBAL\Driver\Statement; |
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use Doctrine\DBAL\Driver\StatementIterator; |
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use Doctrine\DBAL\Portability\Statement as PortabilityStatement; |
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use Doctrine\Tests\DbalTestCase; |
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use IteratorAggregate; |
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use PHPUnit\Framework\MockObject\MockObject; |
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use function assert; |
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use function extension_loaded; |
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use function is_iterable; |
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class StatementIteratorTest extends DbalTestCase |
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{ |
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/** |
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* @dataProvider statementProvider() |
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*/ |
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public function testGettingIteratorDoesNotCallFetch(string $class) : void |
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{ |
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/** @var IteratorAggregate|MockObject $stmt */ |
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$stmt = $this->createPartialMock($class, ['fetch', 'fetchAll', 'fetchColumn']); |
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$stmt->expects($this->never())->method('fetch'); |
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$stmt->expects($this->never())->method('fetchAll'); |
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$stmt->expects($this->never())->method('fetchColumn'); |
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$stmt->getIterator(); |
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} |
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public function testIteratorIterationCallsFetchOncePerStep() : void |
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{ |
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$stmt = $this->createMock(Statement::class); |
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$calls = 0; |
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$this->configureStatement($stmt, $calls); |
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$stmtIterator = new StatementIterator($stmt); |
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foreach ($stmtIterator as $i => $_) { |
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$this->assertEquals($i + 1, $calls); |
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} |
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} |
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/** |
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* @dataProvider statementProvider() |
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*/ |
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public function testStatementIterationCallsFetchOncePerStep(string $class) : void |
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{ |
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$stmt = $this->createPartialMock($class, ['fetch']); |
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assert(is_iterable($stmt)); |
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$calls = 0; |
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$this->configureStatement($stmt, $calls); |
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foreach ($stmt as $i => $_) { |
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$this->assertEquals($i + 1, $calls); |
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} |
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} |
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private function configureStatement(MockObject $stmt, int &$calls) : void |
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{ |
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$values = ['foo', '', 'bar', '0', 'baz', 0, 'qux', null, 'quz', false, 'impossible']; |
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$calls = 0; |
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$stmt->expects($this->exactly(10)) |
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->method('fetch') |
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->willReturnCallback(static function () use ($values, &$calls) { |
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$value = $values[$calls]; |
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$calls++; |
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return $value; |
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}); |
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} |
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/** |
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* @return string[][] |
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*/ |
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public static function statementProvider() : iterable |
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{ |
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if (extension_loaded('ibm_db2')) { |
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yield [DB2Statement::class]; |
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90
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} |
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92
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yield [MysqliStatement::class]; |
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if (extension_loaded('oci8')) { |
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yield [OCI8Statement::class]; |
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} |
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98
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yield [PortabilityStatement::class]; |
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yield [SQLAnywhereStatement::class]; |
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101
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if (extension_loaded('sqlsrv')) { |
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yield [SQLSrvStatement::class]; |
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} |
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} |
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105
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} |
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doctrine /
dbal
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