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view vendor/nikic/php-parser/test/PhpParser/NodeVisitor/FirstFindingVisitorTest.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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<?php declare(strict_types=1); namespace PhpParser\NodeVisitor; use PhpParser\Node; use PhpParser\Node\Expr; use PhpParser\NodeTraverser; class FirstFindingVisitorTest extends \PHPUnit\Framework\TestCase { public function testFindFirstVariable() { $traverser = new NodeTraverser(); $visitor = new FirstFindingVisitor(function(Node $node) { return $node instanceof Node\Expr\Variable; }); $traverser->addVisitor($visitor); $assign = new Expr\Assign(new Expr\Variable('a'), new Expr\Variable('b')); $stmts = [new Node\Stmt\Expression($assign)]; $traverser->traverse($stmts); $this->assertSame($assign->var, $visitor->getFoundNode()); } public function testFindNone() { $traverser = new NodeTraverser(); $visitor = new FirstFindingVisitor(function(Node $node) { return $node instanceof Node\Expr\BinaryOp; }); $traverser->addVisitor($visitor); $assign = new Expr\Assign(new Expr\Variable('a'), new Expr\Variable('b')); $stmts = [new Node\Stmt\Expression($assign)]; $traverser->traverse($stmts); $this->assertNull($visitor->getFoundNode()); } }