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<?php |
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namespace Doctrine\Tests\DBAL\Functional\Platform; |
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use Doctrine\DBAL\Platforms\SqlitePlatform; |
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use Doctrine\DBAL\Statement; |
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use Doctrine\Tests\DbalFunctionalTestCase; |
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use function end; |
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class GuidExpressionTest extends DbalFunctionalTestCase |
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{ |
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public function testGuidShouldMatchPattern() |
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{ |
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$value = $this->_conn->query($this->getSelectGuidSql())->fetchColumn(); |
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self::assertRegExp( |
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'/[0-9A-F]{8}\-[0-9A-F]{4}\-[0-9A-F]{4}\-[8-9A-B][0-9A-F]{3}\-[0-9A-F]{12}/i', |
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$value |
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); |
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} |
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/** |
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* This test does (of course) not proof that all generated GUIDs are |
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* random, it should however provide some basic confidence. |
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*/ |
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public function testGuidShouldBeUniqueAndAscending() |
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{ |
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$platform = $this->_conn->getDatabasePlatform(); |
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if ($platform instanceof SqlitePlatform) { |
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$this->markTestSkipped('Currently incorrectly implemented in SQLite platform'); |
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} |
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$statement = $this->_conn->prepare($this->getSelectGuidSql()); |
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$values = [$this->generateGuid($statement)]; |
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for ($i = 0; $i < 99; $i++) { |
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$statement->execute(); |
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$value = $statement->fetchColumn(); |
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self::assertNotContains($value, $values, 'Duplicate value detected'); |
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self::assertGreaterThan(end($values), $value); |
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$values[] = $value; |
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} |
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$statement->closeCursor(); |
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} |
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private function generateGuid(Statement $statement) : string |
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{ |
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$statement->execute(); |
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return $statement->fetchColumn(); |
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} |
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private function getSelectGuidSql() |
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{ |
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$platform = $this->_conn->getDatabasePlatform(); |
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return $platform->getDummySelectSQL( |
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$platform->getGuidExpression() |
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); |
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} |
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} |
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doctrine /
dbal
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