Chris@13: <?php declare(strict_types=1);
Chris@0: 
Chris@0: namespace PhpParser\Builder;
Chris@0: 
Chris@0: use PhpParser\Comment;
Chris@0: use PhpParser\Node;
Chris@0: use PhpParser\Node\Expr\Print_;
Chris@13: use PhpParser\Node\Expr\Variable;
Chris@0: use PhpParser\Node\Scalar\String_;
Chris@0: use PhpParser\Node\Stmt;
Chris@0: 
Chris@17: class FunctionTest extends \PHPUnit\Framework\TestCase
Chris@0: {
Chris@0:     public function createFunctionBuilder($name) {
Chris@0:         return new Function_($name);
Chris@0:     }
Chris@0: 
Chris@0:     public function testReturnByRef() {
Chris@0:         $node = $this->createFunctionBuilder('test')
Chris@0:             ->makeReturnByRef()
Chris@0:             ->getNode()
Chris@0:         ;
Chris@0: 
Chris@0:         $this->assertEquals(
Chris@13:             new Stmt\Function_('test', [
Chris@0:                 'byRef' => true
Chris@13:             ]),
Chris@0:             $node
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     public function testParams() {
Chris@13:         $param1 = new Node\Param(new Variable('test1'));
Chris@13:         $param2 = new Node\Param(new Variable('test2'));
Chris@13:         $param3 = new Node\Param(new Variable('test3'));
Chris@0: 
Chris@0:         $node = $this->createFunctionBuilder('test')
Chris@0:             ->addParam($param1)
Chris@13:             ->addParams([$param2, $param3])
Chris@0:             ->getNode()
Chris@0:         ;
Chris@0: 
Chris@0:         $this->assertEquals(
Chris@13:             new Stmt\Function_('test', [
Chris@13:                 'params' => [$param1, $param2, $param3]
Chris@13:             ]),
Chris@0:             $node
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     public function testStmts() {
Chris@0:         $stmt1 = new Print_(new String_('test1'));
Chris@0:         $stmt2 = new Print_(new String_('test2'));
Chris@0:         $stmt3 = new Print_(new String_('test3'));
Chris@0: 
Chris@0:         $node = $this->createFunctionBuilder('test')
Chris@0:             ->addStmt($stmt1)
Chris@13:             ->addStmts([$stmt2, $stmt3])
Chris@0:             ->getNode()
Chris@0:         ;
Chris@0: 
Chris@0:         $this->assertEquals(
Chris@13:             new Stmt\Function_('test', [
Chris@13:                 'stmts' => [
Chris@13:                     new Stmt\Expression($stmt1),
Chris@13:                     new Stmt\Expression($stmt2),
Chris@13:                     new Stmt\Expression($stmt3),
Chris@13:                 ]
Chris@13:             ]),
Chris@0:             $node
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     public function testDocComment() {
Chris@0:         $node = $this->createFunctionBuilder('test')
Chris@0:             ->setDocComment('/** Test */')
Chris@0:             ->getNode();
Chris@0: 
Chris@13:         $this->assertEquals(new Stmt\Function_('test', [], [
Chris@13:             'comments' => [new Comment\Doc('/** Test */')]
Chris@13:         ]), $node);
Chris@0:     }
Chris@0: 
Chris@0:     public function testReturnType() {
Chris@0:         $node = $this->createFunctionBuilder('test')
Chris@0:             ->setReturnType('void')
Chris@0:             ->getNode();
Chris@0: 
Chris@13:         $this->assertEquals(new Stmt\Function_('test', [
Chris@0:             'returnType' => 'void'
Chris@13:         ], []), $node);
Chris@0:     }
Chris@0: 
Chris@0:     public function testInvalidNullableVoidType() {
Chris@17:         $this->expectException(\LogicException::class);
Chris@17:         $this->expectExceptionMessage('void type cannot be nullable');
Chris@0:         $this->createFunctionBuilder('test')->setReturnType('?void');
Chris@0:     }
Chris@0: 
Chris@0:     public function testInvalidParamError() {
Chris@17:         $this->expectException(\LogicException::class);
Chris@17:         $this->expectExceptionMessage('Expected parameter node, got "Name"');
Chris@0:         $this->createFunctionBuilder('test')
Chris@0:             ->addParam(new Node\Name('foo'))
Chris@0:         ;
Chris@0:     }
Chris@13: 
Chris@13:     public function testAddNonStmt() {
Chris@17:         $this->expectException(\LogicException::class);
Chris@17:         $this->expectExceptionMessage('Expected statement or expression node');
Chris@13:         $this->createFunctionBuilder('test')
Chris@13:             ->addStmt(new Node\Name('Test'));
Chris@13:     }
Chris@0: }