view vendor/nikic/php-parser/test/PhpParser/Builder/ParamTest.php @ 9:1fc0ff908d1f

Add another data file
author Chris Cannam
date Mon, 05 Feb 2018 12:34:32 +0000
parents 4c8ae668cc8c
children 5fb285c0d0e3
line wrap: on
line source
<?php

namespace PhpParser\Builder;

use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Scalar;

class ParamTest extends \PHPUnit_Framework_TestCase
{
    public function createParamBuilder($name) {
        return new Param($name);
    }

    /**
     * @dataProvider provideTestDefaultValues
     */
    public function testDefaultValues($value, $expectedValueNode) {
        $node = $this->createParamBuilder('test')
            ->setDefault($value)
            ->getNode()
        ;

        $this->assertEquals($expectedValueNode, $node->default);
    }

    public function provideTestDefaultValues() {
        return array(
            array(
                null,
                new Expr\ConstFetch(new Node\Name('null'))
            ),
            array(
                true,
                new Expr\ConstFetch(new Node\Name('true'))
            ),
            array(
                false,
                new Expr\ConstFetch(new Node\Name('false'))
            ),
            array(
                31415,
                new Scalar\LNumber(31415)
            ),
            array(
                3.1415,
                new Scalar\DNumber(3.1415)
            ),
            array(
                'Hallo World',
                new Scalar\String_('Hallo World')
            ),
            array(
                array(1, 2, 3),
                new Expr\Array_(array(
                    new Expr\ArrayItem(new Scalar\LNumber(1)),
                    new Expr\ArrayItem(new Scalar\LNumber(2)),
                    new Expr\ArrayItem(new Scalar\LNumber(3)),
                ))
            ),
            array(
                array('foo' => 'bar', 'bar' => 'foo'),
                new Expr\Array_(array(
                    new Expr\ArrayItem(
                        new Scalar\String_('bar'),
                        new Scalar\String_('foo')
                    ),
                    new Expr\ArrayItem(
                        new Scalar\String_('foo'),
                        new Scalar\String_('bar')
                    ),
                ))
            ),
            array(
                new Scalar\MagicConst\Dir,
                new Scalar\MagicConst\Dir
            )
        );
    }

    /**
     * @dataProvider provideTestTypeHints
     */
    public function testTypeHints($typeHint, $expectedType) {
        $node = $this->createParamBuilder('test')
            ->setTypeHint($typeHint)
            ->getNode()
        ;
        $type = $node->type;

        /* Manually implement comparison to avoid __toString stupidity */
        if ($expectedType instanceof Node\NullableType) {
            $this->assertInstanceOf(get_class($expectedType), $type);
            $expectedType = $expectedType->type;
            $type = $type->type;
        }

        if ($expectedType instanceof Node\Name) {
            $this->assertInstanceOf(get_class($expectedType), $type);
            $this->assertEquals($expectedType, $type);
        } else {
            $this->assertSame($expectedType, $type);
        }
    }

    public function provideTestTypeHints() {
        return array(
            array('array', 'array'),
            array('callable', 'callable'),
            array('bool', 'bool'),
            array('int', 'int'),
            array('float', 'float'),
            array('string', 'string'),
            array('iterable', 'iterable'),
            array('object', 'object'),
            array('Array', 'array'),
            array('CALLABLE', 'callable'),
            array('Some\Class', new Node\Name('Some\Class')),
            array('\Foo', new Node\Name\FullyQualified('Foo')),
            array('self', new Node\Name('self')),
            array('?array', new Node\NullableType('array')),
            array('?Some\Class', new Node\NullableType(new Node\Name('Some\Class'))),
            array(new Node\Name('Some\Class'), new Node\Name('Some\Class')),
            array(new Node\NullableType('int'), new Node\NullableType('int')),
            array(
                new Node\NullableType(new Node\Name('Some\Class')),
                new Node\NullableType(new Node\Name('Some\Class'))
            ),
        );
    }

    /**
     * @expectedException \LogicException
     * @expectedExceptionMessage Parameter type cannot be void
     */
    public function testVoidTypeError() {
        $this->createParamBuilder('test')->setTypeHint('void');
    }

    /**
     * @expectedException \LogicException
     * @expectedExceptionMessage Type must be a string, or an instance of Name or NullableType
     */
    public function testInvalidTypeError() {
        $this->createParamBuilder('test')->setTypeHint(new \stdClass);
    }

    public function testByRef() {
        $node = $this->createParamBuilder('test')
            ->makeByRef()
            ->getNode()
        ;

        $this->assertEquals(
            new Node\Param('test', null, null, true),
            $node
        );
    }

    public function testVariadic() {
        $node = $this->createParamBuilder('test')
            ->makeVariadic()
            ->getNode()
        ;

        $this->assertEquals(
            new Node\Param('test', null, null, false, true),
            $node
        );
    }
}