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https://github.com/danog/psalm.git
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724 lines
23 KiB
PHP
724 lines
23 KiB
PHP
<?php
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namespace Psalm\Tests;
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use PhpParser\ParserFactory;
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use PHPUnit_Framework_TestCase;
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use Psalm\Checker\FileChecker;
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use Psalm\Config;
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use Psalm\Context;
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use Psalm\Type;
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class ArrayAssignmentTest extends PHPUnit_Framework_TestCase
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{
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/** @var \PhpParser\Parser */
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protected static $parser;
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/** @var \Psalm\Checker\ProjectChecker */
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protected $project_checker;
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public static function setUpBeforeClass()
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{
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self::$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
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}
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public function setUp()
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{
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$config = new TestConfig();
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\Psalm\Checker\FileChecker::clearCache();
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$this->project_checker = new \Psalm\Checker\ProjectChecker();
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}
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public function testGenericArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$out = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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$out[] = 4;
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, int>', (string) $context->vars_in_scope['$out']);
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}
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public function testGeneric2DArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$out = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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$out[] = [4];
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, array<int, int>>', (string) $context->vars_in_scope['$out']);
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}
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public function testGeneric2DArrayCreationAddedInIf()
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{
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$stmts = self::$parser->parse('<?php
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$out = [];
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$bits = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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if (rand(0,100) > 50) {
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$out[] = $bits;
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$bits = [];
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}
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$bits[] = 4;
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}
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if ($bits) {
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$out[] = $bits;
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, array<int, int>>', (string) $context->vars_in_scope['$out']);
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}
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public function testGenericArrayCreationWithObjectAddedInIf()
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{
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$stmts = self::$parser->parse('<?php
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class B {}
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$out = [];
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if (rand(0,10) === 10) {
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$out[] = new B();
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, B>', (string) $context->vars_in_scope['$out']);
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}
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public function testGenericArrayCreationWithElementAddedInSwitch()
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{
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$stmts = self::$parser->parse('<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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// do nothing
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, int>', (string) $context->vars_in_scope['$out']);
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}
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public function testGenericArrayCreationWithElementsAddedInSwitch()
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{
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$stmts = self::$parser->parse('<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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$out[] = "hello";
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break;
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, int|string>', (string) $context->vars_in_scope['$out']);
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}
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public function testGenericArrayCreationWithElementsAddedInSwitchWithNothing()
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{
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$stmts = self::$parser->parse('<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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$out[] = "hello";
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break;
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case 7:
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// do nothing
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, int|string>', (string) $context->vars_in_scope['$out']);
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}
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public function testImplicitIntArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo[] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, string>', (string) $context->vars_in_scope['$foo']);
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}
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public function testImplicit2DIntArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo[][] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, array<int, string>>', (string) $context->vars_in_scope['$foo']);
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}
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public function testImplicit3DIntArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo[][][] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, array<int, array<int, string>>>', (string) $context->vars_in_scope['$foo']);
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}
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public function testImplicit4DIntArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo[][][][] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals(
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'array<int, array<int, array<int, array<int, string>>>>',
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(string) $context->vars_in_scope['$foo']
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);
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}
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public function testImplicitIndexedIntArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo[0] = "hello";
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$foo[1] = "hello";
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$foo[2] = "hello";
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$bar = [0, 1, 2];
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$bat = [];
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foreach ($foo as $i => $text) {
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$bat[$text] = $bar[$i];
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}
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array<int, string>', (string) $context->vars_in_scope['$foo']);
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$this->assertEquals('array<int, int>', (string) $context->vars_in_scope['$bar']);
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$this->assertEquals('array<string, int>', (string) $context->vars_in_scope['$bat']);
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}
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public function testImplicitStringArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo["bar"] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{bar:string}', (string) $context->vars_in_scope['$foo']);
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$this->assertEquals('string', (string) $context->vars_in_scope['$foo[\'bar\']']);
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}
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public function testImplicit2DStringArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo["bar"]["baz"] = "hello";
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');
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// check array access of baz on foo
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// with some extra data – if we need to create an array for type $foo["bar"],
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{bar:array{baz:string}}', (string) $context->vars_in_scope['$foo']);
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$this->assertEquals('string', (string) $context->vars_in_scope['$foo[\'bar\'][\'baz\']']);
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}
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public function testImplicit3DStringArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo["bar"]["baz"]["bat"] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{bar:array{baz:array{bat:string}}}', (string) $context->vars_in_scope['$foo']);
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$this->assertEquals('string', (string) $context->vars_in_scope['$foo[\'bar\'][\'baz\'][\'bat\']']);
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}
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public function testImplicit4DStringArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo["bar"]["baz"]["bat"]["bap"] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals(
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'array{bar:array{baz:array{bat:array{bap:string}}}}',
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(string) $context->vars_in_scope['$foo']
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);
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$this->assertEquals('string', (string) $context->vars_in_scope['$foo[\'bar\'][\'baz\'][\'bat\'][\'bap\']']);
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}
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public function test2Step2DStringArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = ["bar" => []];
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$foo["bar"]["baz"] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{bar:array{baz:string}}', (string) $context->vars_in_scope['$foo']);
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$this->assertEquals('string', (string) $context->vars_in_scope['$foo[\'bar\'][\'baz\']']);
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}
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public function test2StepImplicit3DStringArrayCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = ["bar" => []];
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$foo["bar"]["baz"]["bat"] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{bar:array{baz:array{bat:string}}}', (string) $context->vars_in_scope['$foo']);
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}
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public function testConflictingTypes()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [
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"bar" => ["a" => "b"],
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"baz" => [1]
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];
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{bar:array{a:string}, baz:array<int, int>}', (string) $context->vars_in_scope['$foo']);
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}
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public function testImplicitObjectLikeCreation()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [
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"bar" => 1,
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];
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$foo["baz"] = "a";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{bar:int, baz:string}', (string) $context->vars_in_scope['$foo']);
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}
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public function testConflictingTypesWithAssignment()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [
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"bar" => ["a" => "b"],
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"baz" => [1]
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];
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$foo["bar"]["bam"]["baz"] = "hello";
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');
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals(
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'array{bar:array{a:string, bam:array{baz:string}}, baz:array<int, int>}',
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(string) $context->vars_in_scope['$foo']
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);
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}
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public function testConflictingTypesWithAssignment2()
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{
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$stmts = self::$parser->parse('<?php
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$foo = [];
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$foo["a"] = "hello";
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$foo["b"][] = "goodbye";
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$bar = $foo["a"];
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');
|
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|
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$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
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$context = new Context('somefile.php');
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertEquals('array{a:string, b:array<int, string>}', (string) $context->vars_in_scope['$foo']);
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$this->assertEquals('string', (string) $context->vars_in_scope['$foo[\'a\']']);
|
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$this->assertEquals('array<int, string>', (string) $context->vars_in_scope['$foo[\'b\']']);
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$this->assertEquals('string', (string) $context->vars_in_scope['$bar']);
|
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}
|
||
|
||
public function testConflictingTypesWithAssignment3()
|
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{
|
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$stmts = self::$parser->parse('<?php
|
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$foo = [];
|
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$foo["a"] = "hello";
|
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$foo["b"]["c"]["d"] = "goodbye";
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('array{a:string, b:array{c:array{d:string}}}', (string) $context->vars_in_scope['$foo']);
|
||
}
|
||
|
||
public function testNestedObjectLikeAssignment()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
$foo = [];
|
||
$foo["a"]["b"] = "hello";
|
||
$foo["a"]["c"] = 1;
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('array{a:array{b:string, c:int}}', (string) $context->vars_in_scope['$foo']);
|
||
}
|
||
|
||
public function testConditionalObjectLikeAssignment()
|
||
{
|
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$stmts = self::$parser->parse('<?php
|
||
$foo = ["a" => "hello"];
|
||
if (rand(0, 10) === 5) {
|
||
$foo["b"] = 1;
|
||
}
|
||
else {
|
||
$foo["b"] = 2;
|
||
}
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('array{a:string, b:int}', (string) $context->vars_in_scope['$foo']);
|
||
}
|
||
|
||
public function testIssetKeyedOffset()
|
||
{
|
||
$file_checker = new FileChecker(
|
||
'somefile.php',
|
||
$this->project_checker,
|
||
self::$parser->parse('<?php
|
||
if (!isset($foo["a"])) {
|
||
$foo["a"] = "hello";
|
||
}
|
||
')
|
||
);
|
||
$context = new Context('somefile.php');
|
||
$context->vars_in_scope['$foo'] = \Psalm\Type::getArray();
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('mixed', (string) $context->vars_in_scope['$foo[\'a\']']);
|
||
}
|
||
|
||
public function testConditionalAssignment()
|
||
{
|
||
$file_checker = new FileChecker(
|
||
'somefile.php',
|
||
$this->project_checker,
|
||
self::$parser->parse('<?php
|
||
if ($b) {
|
||
$foo["a"] = "hello";
|
||
}
|
||
')
|
||
);
|
||
|
||
$context = new Context('somefile.php');
|
||
$context->vars_in_scope['$b'] = \Psalm\Type::getBool();
|
||
$context->vars_in_scope['$foo'] = \Psalm\Type::getArray();
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertFalse(isset($context->vars_in_scope['$foo[\'a\']']));
|
||
}
|
||
|
||
public function testImplementsArrayAccess()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
class A implements \ArrayAccess {
|
||
public function offsetSet($offset, $value) : void {
|
||
}
|
||
|
||
public function offsetExists($offset) : bool {
|
||
return true;
|
||
}
|
||
|
||
public function offsetUnset($offset) : void {
|
||
}
|
||
|
||
public function offsetGet($offset) : int {
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
$a = new A();
|
||
$a["bar"] = "cool";
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('A', (string) $context->vars_in_scope['$a']);
|
||
$this->assertFalse(isset($context->vars_in_scope['$a[\'bar\']']));
|
||
}
|
||
|
||
public function testConditionalCheck()
|
||
{
|
||
$file_checker = new FileChecker(
|
||
'somefile.php',
|
||
$this->project_checker,
|
||
self::$parser->parse('<?php
|
||
/**
|
||
* @param array{b:string} $a
|
||
* @return null|string
|
||
*/
|
||
function fooFoo($a) {
|
||
if ($a["b"]) {
|
||
return $a["b"];
|
||
}
|
||
}
|
||
')
|
||
);
|
||
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
}
|
||
|
||
public function testArrayKey()
|
||
{
|
||
$file_checker = new FileChecker(
|
||
'somefile.php',
|
||
$this->project_checker,
|
||
self::$parser->parse('<?php
|
||
$a = ["foo", "bar"];
|
||
$b = $a[0];
|
||
|
||
$c = ["a" => "foo", "b"=> "bar"];
|
||
$d = "a";
|
||
$e = $a[$d];
|
||
')
|
||
);
|
||
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('string', (string)$context->vars_in_scope['$b']);
|
||
$this->assertEquals('string', (string)$context->vars_in_scope['$e']);
|
||
}
|
||
|
||
public function testVariableKeyArrayCreate()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
$a = [];
|
||
$b = "boop";
|
||
$a[$b][] = "bam";
|
||
|
||
$c = [];
|
||
$c[$b][$b][] = "bam";
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('array<string, array<int, string>>', (string) $context->vars_in_scope['$a']);
|
||
$this->assertEquals('array<string, array<string, array<int, string>>>', (string) $context->vars_in_scope['$c']);
|
||
}
|
||
|
||
public function testAssignExplicitValueToGeneric()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
/** @var array<string, array<string, string>> */
|
||
$a = [];
|
||
$a["foo"] = ["bar" => "baz"];
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('array<string, array<string, string>>', (string) $context->vars_in_scope['$a']);
|
||
}
|
||
|
||
public function testAdditionWithEmpty()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
$a = [];
|
||
$a += ["bar"];
|
||
|
||
$b = [] + ["bar"];
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('array<int, string>', (string) $context->vars_in_scope['$a']);
|
||
$this->assertEquals('array<int, string>', (string) $context->vars_in_scope['$b']);
|
||
}
|
||
|
||
public function testAdditionDifferentType()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
$a = ["bar"];
|
||
$a += [1];
|
||
|
||
$b = ["bar"] + [1];
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
$this->assertEquals('array<int, string|int>', (string) $context->vars_in_scope['$a']);
|
||
$this->assertEquals('array<int, string|int>', (string) $context->vars_in_scope['$b']);
|
||
}
|
||
|
||
public function testPreset1DArrayTypeWithVarKeys()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
/** @var array<string, array<int, string>> */
|
||
$a = [];
|
||
|
||
$foo = "foo";
|
||
|
||
$a[$foo][] = "bat";
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
}
|
||
|
||
public function testPreset2DArrayTypeWithVarKeys()
|
||
{
|
||
$stmts = self::$parser->parse('<?php
|
||
/** @var array<string, array<string, array<int, string>>> */
|
||
$b = [];
|
||
|
||
$foo = "foo";
|
||
$bar = "bar";
|
||
|
||
$b[$foo][$bar][] = "bat";
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$context = new Context('somefile.php');
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
}
|
||
|
||
/**
|
||
* @expectedException \Psalm\Exception\CodeException
|
||
* @expectedExceptionMessage InvalidArrayAssignment
|
||
*/
|
||
public function testInvalidArrayAccess()
|
||
{
|
||
$context = new Context('somefile.php');
|
||
$stmts = self::$parser->parse('<?php
|
||
$a = 5;
|
||
$a[0] = 5;
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
}
|
||
|
||
/**
|
||
* @expectedException \Psalm\Exception\CodeException
|
||
* @expectedExceptionMessage MixedStringOffsetAssignment
|
||
*/
|
||
public function testMixedStringOffsetAssignment()
|
||
{
|
||
Config::getInstance()->setCustomErrorLevel('MixedAssignment', Config::REPORT_SUPPRESS);
|
||
|
||
$context = new Context('somefile.php');
|
||
$stmts = self::$parser->parse('<?php
|
||
/** @var mixed */
|
||
$a = 5;
|
||
"hello"[0] = $a;
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
}
|
||
|
||
/**
|
||
* @expectedException \Psalm\Exception\CodeException
|
||
* @expectedExceptionMessage TypeCoercion
|
||
*/
|
||
public function testMixedArrayArgument()
|
||
{
|
||
Config::getInstance()->setCustomErrorLevel('MixedAssignment', Config::REPORT_SUPPRESS);
|
||
|
||
$context = new Context('somefile.php');
|
||
$stmts = self::$parser->parse('<?php
|
||
/** @param array<mixed, int|string> $foo */
|
||
function fooFoo(array $foo) : void { }
|
||
|
||
function barBar(array $bar) : void {
|
||
fooFoo($bar);
|
||
}
|
||
|
||
barBar([1, "2"]);
|
||
');
|
||
|
||
$file_checker = new FileChecker('somefile.php', $this->project_checker, $stmts);
|
||
$file_checker->visitAndAnalyzeMethods($context);
|
||
}
|
||
}
|