61 lines
2.3 KiB
PHP
61 lines
2.3 KiB
PHP
<?php declare(strict_types=1);
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namespace PhpParser;
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use PhpParser\Node\Expr;
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use PHPUnit\Framework\TestCase;
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class NodeFinderTest extends TestCase
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{
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private function getStmtsAndVars() {
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$assign = new Expr\Assign(new Expr\Variable('a'), new Expr\BinaryOp\Concat(
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new Expr\Variable('b'), new Expr\Variable('c')
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));
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$stmts = [new Node\Stmt\Expression($assign)];
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$vars = [$assign->var, $assign->expr->left, $assign->expr->right];
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return [$stmts, $vars];
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}
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public function testFind() {
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$finder = new NodeFinder;
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list($stmts, $vars) = $this->getStmtsAndVars();
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$varFilter = function(Node $node) {
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return $node instanceof Expr\Variable;
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};
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$this->assertSame($vars, $finder->find($stmts, $varFilter));
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$this->assertSame($vars, $finder->find($stmts[0], $varFilter));
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$noneFilter = function () { return false; };
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$this->assertSame([], $finder->find($stmts, $noneFilter));
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}
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public function testFindInstanceOf() {
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$finder = new NodeFinder;
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list($stmts, $vars) = $this->getStmtsAndVars();
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$this->assertSame($vars, $finder->findInstanceOf($stmts, Expr\Variable::class));
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$this->assertSame($vars, $finder->findInstanceOf($stmts[0], Expr\Variable::class));
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$this->assertSame([], $finder->findInstanceOf($stmts, Expr\BinaryOp\Mul::class));
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}
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public function testFindFirst() {
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$finder = new NodeFinder;
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list($stmts, $vars) = $this->getStmtsAndVars();
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$varFilter = function(Node $node) {
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return $node instanceof Expr\Variable;
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};
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$this->assertSame($vars[0], $finder->findFirst($stmts, $varFilter));
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$this->assertSame($vars[0], $finder->findFirst($stmts[0], $varFilter));
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$noneFilter = function () { return false; };
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$this->assertNull($finder->findFirst($stmts, $noneFilter));
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}
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public function testFindFirstInstanceOf() {
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$finder = new NodeFinder;
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list($stmts, $vars) = $this->getStmtsAndVars();
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$this->assertSame($vars[0], $finder->findFirstInstanceOf($stmts, Expr\Variable::class));
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$this->assertSame($vars[0], $finder->findFirstInstanceOf($stmts[0], Expr\Variable::class));
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$this->assertNull($finder->findFirstInstanceOf($stmts, Expr\BinaryOp\Mul::class));
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}
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}
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