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<?php |
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declare(strict_types=1); |
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namespace Doctrine\DBAL\Tests\Internal; |
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use Doctrine\DBAL\Internal\DependencyOrderCalculator; |
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use Doctrine\DBAL\Schema\Table; |
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use PHPUnit\Framework\TestCase; |
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/** |
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* Tests of the commit order calculation. |
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* |
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* IMPORTANT: When writing tests here consider that a lot of graph constellations |
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* can have many valid orderings, so you may want to build a graph that has only |
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* 1 valid order to simplify your tests. |
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*/ |
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class DependencyOrderCalculatorTest extends TestCase |
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{ |
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/** @var DependencyOrderCalculator */ |
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private $calculator; |
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protected function setUp() : void |
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{ |
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$this->calculator = new DependencyOrderCalculator(); |
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} |
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public function testCommitOrdering1() : void |
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{ |
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$table1 = new Table('table1'); |
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$table2 = new Table('table2'); |
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$table3 = new Table('table3'); |
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$table4 = new Table('table4'); |
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$table5 = new Table('table5'); |
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self::assertFalse($this->calculator->hasNode($table1->getName())); |
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$this->calculator->addNode($table1->getName(), $table1); |
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$this->calculator->addNode($table2->getName(), $table2); |
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$this->calculator->addNode($table3->getName(), $table3); |
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$this->calculator->addNode($table4->getName(), $table4); |
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$this->calculator->addNode($table5->getName(), $table5); |
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self::assertTrue($this->calculator->hasNode($table1->getName())); |
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$this->calculator->addDependency($table1->getName(), $table2->getName()); |
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$this->calculator->addDependency($table2->getName(), $table3->getName()); |
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$this->calculator->addDependency($table3->getName(), $table4->getName()); |
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$this->calculator->addDependency($table5->getName(), $table1->getName()); |
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$sorted = $this->calculator->sort(); |
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// There is only 1 valid ordering for this constellation |
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$correctOrder = [$table5, $table1, $table2, $table3, $table4]; |
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self::assertSame($correctOrder, $sorted); |
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} |
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} |
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doctrine /
dbal
