Chris@16: <?php
Chris@16: 
Chris@16: /*
Chris@16:  * This file is part of Psy Shell.
Chris@16:  *
Chris@16:  * (c) 2012-2018 Justin Hileman
Chris@16:  *
Chris@16:  * For the full copyright and license information, please view the LICENSE
Chris@16:  * file that was distributed with this source code.
Chris@16:  */
Chris@16: 
Chris@16: namespace Psy\Test\CodeCleaner;
Chris@16: 
Chris@16: use Psy\CodeCleaner\ListPass;
Chris@16: 
Chris@16: class ListPassTest extends CodeCleanerTestCase
Chris@16: {
Chris@16:     public function setUp()
Chris@16:     {
Chris@16:         $this->setPass(new ListPass());
Chris@16:     }
Chris@16: 
Chris@16:     /**
Chris@16:      * @dataProvider invalidStatements
Chris@16:      * @expectedException \Psy\Exception\ParseErrorException
Chris@16:      */
Chris@16:     public function testProcessInvalidStatement($code, $expectedMessage)
Chris@16:     {
Chris@17:         if (\method_exists($this, 'setExpectedException')) {
Chris@16:             $this->setExpectedException('Psy\Exception\ParseErrorException', $expectedMessage);
Chris@16:         } else {
Chris@16:             $this->expectExceptionMessage($expectedMessage);
Chris@16:         }
Chris@16: 
Chris@16:         $stmts = $this->parse($code);
Chris@16:         $this->traverser->traverse($stmts);
Chris@16:     }
Chris@16: 
Chris@16:     public function invalidStatements()
Chris@16:     {
Chris@16:         // Not typo.  It is ambiguous whether "Syntax" or "syntax".
Chris@16:         $errorShortListAssign = "yntax error, unexpected '='";
Chris@16:         $errorEmptyList = 'Cannot use empty list';
Chris@16:         $errorAssocListAssign = 'Syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting \',\' or \')\'';
Chris@16:         $errorNonVariableAssign = 'Assignments can only happen to writable values';
Chris@16:         $errorPhpParserSyntax = 'PHP Parse error: Syntax error, unexpected';
Chris@16: 
Chris@16:         $invalidExpr = [
Chris@16:             ['list() = array()', $errorEmptyList],
Chris@16:             ['list("a") = array(1)', $errorPhpParserSyntax],
Chris@16:         ];
Chris@16: 
Chris@17:         if (\version_compare(PHP_VERSION, '7.1', '<')) {
Chris@17:             return \array_merge($invalidExpr, [
Chris@16:                 ['list("a" => _) = array("a" => 1)', $errorPhpParserSyntax],
Chris@16:                 ['[] = []', $errorShortListAssign],
Chris@16:                 ['[$a] = [1]', $errorShortListAssign],
Chris@16:                 ['list("a" => $a) = array("a" => 1)', $errorAssocListAssign],
Chris@17:                 ['[$a[0], $a[1]] = [1, 2]', $errorShortListAssign],
Chris@17:                 ['[$a->b, $a->c] = [1, 2]', $errorShortListAssign],
Chris@16:             ]);
Chris@16:         }
Chris@16: 
Chris@17:         return \array_merge($invalidExpr, [
Chris@16:             ['list("a" => _) = array("a" => 1)', $errorPhpParserSyntax],
Chris@16:             ['["a"] = [1]', $errorNonVariableAssign],
Chris@16:             ['[] = []', $errorEmptyList],
Chris@16:             ['[,] = [1,2]', $errorEmptyList],
Chris@17:             ['[,,] = [1,2,3]', $errorEmptyList],
Chris@16:         ]);
Chris@16:     }
Chris@16: 
Chris@16:     /**
Chris@16:      * @dataProvider validStatements
Chris@16:      */
Chris@16:     public function testProcessValidStatement($code)
Chris@16:     {
Chris@16:         $stmts = $this->parse($code);
Chris@16:         $this->traverser->traverse($stmts);
Chris@16:         $this->assertTrue(true);
Chris@16:     }
Chris@16: 
Chris@16:     public function validStatements()
Chris@16:     {
Chris@16:         $validExpr = [
Chris@16:             ['list($a) = array(1)'],
Chris@16:             ['list($x, $y) = array(1, 2)'],
Chris@16:         ];
Chris@16: 
Chris@17:         if (\version_compare(PHP_VERSION, '7.1', '>=')) {
Chris@17:             return \array_merge($validExpr, [
Chris@16:                 ['[$a] = array(1)'],
Chris@16:                 ['list($b) = [2]'],
Chris@16:                 ['[$x, $y] = array(1, 2)'],
Chris@16:                 ['[$a] = [1]'],
Chris@16:                 ['[$x, $y] = [1, 2]'],
Chris@16:                 ['["_" => $v] = ["_" => 1]'],
Chris@16:                 ['[$a,] = [1,2,3]'],
Chris@16:                 ['[,$b] = [1,2,3]'],
Chris@16:                 ['[$a,,$c] = [1,2,3]'],
Chris@16:                 ['[$a,,,] = [1,2,3]'],
Chris@17:                 ['[$a[0], $a[1]] = [1, 2]'],
Chris@17:                 ['[$a[0][0][0], $a[0][0][1]] = [1, 2]'],
Chris@17:                 ['[$a->b, $a->c] = [1, 2]'],
Chris@17:                 ['[$a->b[0], $a->c[1]] = [1, 2]'],
Chris@17:                 ['[$a[0]->b[0], $a[0]->c[1]] = [1, 2]'],
Chris@17:                 ['[$a[$b->c + $b->d]] = [1]'],
Chris@17:                 ['[$a->c()->d, $a->c()->e] = [1, 2]'],
Chris@17:                 ['[x()->a, x()->b] = [1, 2]'],
Chris@16:             ]);
Chris@16:         }
Chris@16: 
Chris@16:         return $validExpr;
Chris@16:     }
Chris@16: }