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