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psalm/tests/Php56Test.php
2016-10-19 00:31:32 -04:00

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<?php
namespace Psalm\Tests;
use PhpParser;
use PhpParser\ParserFactory;
use PHPUnit_Framework_TestCase;
use Psalm\Context;
use Psalm\Checker\TypeChecker;
use Psalm\Type;
class Php56Test extends PHPUnit_Framework_TestCase
{
protected static $_parser;
public static function setUpBeforeClass()
{
self::$_parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
$config = \Psalm\Config::getInstance();
$config->throw_exception = true;
$config->use_docblock_types = true;
}
public function setUp()
{
\Psalm\Checker\FileChecker::clearCache();
}
public function testConstArray()
{
$stmts = self::$_parser->parse('<?php
const ARR = ["a", "b"];
$a = ARR[0];
');
$file_checker = new \Psalm\Checker\FileChecker('somefile.php', $stmts);
$context = new Context('somefile.php');
$file_checker->check(true, true, $context);
$this->assertEquals('string', (string) $context->vars_in_scope['$a']);
}
public function testConstFeatures()
{
$stmts = self::$_parser->parse('<?php
const ONE = 1;
const TWO = ONE * 2;
class C {
const THREE = TWO + 1;
const ONE_THIRD = ONE / self::THREE;
const SENTENCE = "The value of THREE is " . self::THREE;
/**
* @param int $a
* @return int
*/
public function f($a = ONE + self::THREE) {
return $a;
}
}
$d = (new C)->f();
$e = C::SENTENCE;
$f = TWO;
$g = C::ONE_THIRD;
');
$file_checker = new \Psalm\Checker\FileChecker('somefile.php', $stmts);
$context = new Context('somefile.php');
$file_checker->check(true, true, $context);
$this->assertEquals('int', (string) $context->vars_in_scope['$d']);
$this->assertEquals('string', (string) $context->vars_in_scope['$e']);
$this->assertEquals('int', (string) $context->vars_in_scope['$f']);
$this->assertEquals('float', (string) $context->vars_in_scope['$g']);
}
public function testVariadic()
{
$stmts = self::$_parser->parse('<?php
function f($req, $opt = null, ...$params) {
}
f(1);
f(1, 2);
f(1, 2, 3);
f(1, 2, 3, 4);
f(1, 2, 3, 4, 5);
');
$file_checker = new \Psalm\Checker\FileChecker('somefile.php', $stmts);
$context = new Context('somefile.php');
$file_checker->check(true, true, $context);
}
public function testArgumentUnpacking()
{
$stmts = self::$_parser->parse('<?php
function add($a, $b, $c) {
return $a + $b + $c;
}
$operators = [2, 3];
echo add(1, ...$operators);
');
$file_checker = new \Psalm\Checker\FileChecker('somefile.php', $stmts);
$context = new Context('somefile.php');
$file_checker->check(true, true, $context);
}
public function testExponentiation()
{
$stmts = self::$_parser->parse('<?php
$a = 2;
$a **= 3;
');
$file_checker = new \Psalm\Checker\FileChecker('somefile.php', $stmts);
$context = new Context('somefile.php');
$file_checker->check(true, true, $context);
}
public function testUse()
{
$this->markTestIncomplete('This passes, but I think theres cheating afoot');
$stmts = self::$_parser->parse('<?php
namespace Name\Space {
const FOO = 42;
function f() { echo __FUNCTION__."\n"; }
}
namespace {
use const Name\Space\FOO;
use function Name\Space\f;
echo FOO . "\n";
f();
}
');
$file_checker = new \Psalm\Checker\FileChecker('somefile.php', $stmts);
$context = new Context('somefile.php');
$file_checker->check(true, true, $context);
}
}