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510 lines
17 KiB
PHP
510 lines
17 KiB
PHP
<?php
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namespace Psalm\Tests;
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class MethodCallTest extends TestCase
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{
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use Traits\InvalidCodeAnalysisTestTrait;
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use Traits\ValidCodeAnalysisTestTrait;
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/**
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* @return array
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*/
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public function providerValidCodeParse()
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{
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return [
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'notInCallMapTest' => [
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'<?php
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new DOMImplementation();',
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],
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'parentStaticCall' => [
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'<?php
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class A {
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/** @return void */
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public static function foo(){}
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}
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class B extends A {
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/** @return void */
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public static function bar(){
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parent::foo();
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}
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}',
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],
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'nonStaticInvocation' => [
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'<?php
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class Foo {
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public static function barBar(): void {}
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}
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(new Foo())->barBar();',
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],
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'staticInvocation' => [
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'<?php
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class A {
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public static function fooFoo(): void {}
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}
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class B extends A {
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}
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B::fooFoo();',
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],
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'staticCallOnVar' => [
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'<?php
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class A {
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public static function bar(): int {
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return 5;
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}
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}
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$foo = new A;
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$b = $foo::bar();',
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],
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'uppercasedSelf' => [
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'<?php
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class X33{
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public static function main(): void {
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echo SELF::class . "\n"; // Class or interface SELF does not exist
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}
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}
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X33::main();',
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],
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'dateTimeImmutableStatic' => [
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'<?php
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final class MyDate extends DateTimeImmutable {}
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$today = new MyDate();
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$yesterday = $today->sub(new DateInterval("P1D"));
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$b = (new DateTimeImmutable())->modify("+3 hours");',
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'assertions' => [
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'$yesterday' => 'MyDate',
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'$b' => 'DateTimeImmutable',
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],
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],
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'magicCall' => [
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'<?php
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class A {
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public function __call(string $method_name, array $args) {}
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}
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$a = new A;
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$a->bar();',
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],
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'canBeCalledOnMagic' => [
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'<?php
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class A {
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public function __call(string $method, array $args) {}
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}
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class B {}
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$a = rand(0, 1) ? new A : new B;
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$a->maybeUndefinedMethod();',
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'assertions' => [],
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'error_levels' => ['PossiblyUndefinedMethod'],
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],
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'canBeCalledOnMagicWithMethod' => [
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'<?php
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class A {
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public function __call(string $method, array $args) {}
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}
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class B {
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public function bar() : void {}
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}
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$a = rand(0, 1) ? new A : new B;
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$a->bar();',
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'assertions' => [],
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],
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'invokeCorrectType' => [
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'<?php
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class A {
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public function __invoke(string $p): void {}
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}
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$q = new A;
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$q("asda");',
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],
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'domDocumentAppendChild' => [
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'<?php
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$doc = new DOMDocument("1.0");
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$node = $doc->createElement("foo");
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$newnode = $doc->appendChild($node);
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$newnode->setAttribute("bar", "baz");',
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],
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'nonStaticSelfCall' => [
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'<?php
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class A11 {
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public function call() : self {
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$result = self::method();
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return $result;
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}
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public function method() : self {
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return $this;
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}
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}
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$x = new A11();
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var_export($x->call());',
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],
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'simpleXml' => [
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'<?php
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$xml = new SimpleXMLElement("<a><b></b></a>");
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$a = $xml->asXML();
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$b = $xml->asXML("foo.xml");',
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'assertions' => [
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'$a' => 'string|false',
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'$b' => 'string|bool',
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],
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],
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'datetimeformatNotFalse' => [
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'<?php
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$format = random_bytes(10);
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$dt = new DateTime;
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$formatted = $dt->format($format);
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if (false !== $formatted) {}
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function takesString(string $s) : void {}
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takesString($formatted);'
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],
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'domElement' => [
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'<?php
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function foo(DOMElement $e) : ?string {
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$a = $e->getElementsByTagName("bar");
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$b = $a->item(0);
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if (!$b) {
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return null;
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}
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return $b->getAttribute("bat");
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}',
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],
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'domElementIteratorOrEmptyArray' => [
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'<?php
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function foo(string $XML) : void {
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$dom = new DOMDocument();
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$dom->loadXML($XML);
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$elements = rand(0, 1) ? $dom->getElementsByTagName("bar") : [];
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foreach ($elements as $element) {
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$element->getElementsByTagName("bat");
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}
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}'
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],
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'reflectionParameter' => [
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'<?php
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function getTypeName(ReflectionParameter $parameter): string {
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$type = $parameter->getType();
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if ($type === null) {
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return "mixed";
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}
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return $type->getName();
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}'
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],
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'PDOMethod' => [
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'<?php
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function md5_and_reverse(string $string) : string {
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return strrev(md5($string));
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}
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$db = new PDO("sqlite:sqlitedb");
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$db->sqliteCreateFunction("md5rev", "md5_and_reverse", 1);',
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],
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'dontConvertedMaybeMixedAfterCall' => [
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'<?php
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class B {
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public function foo() : void {}
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}
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/**
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* @param array<B> $b
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*/
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function foo(array $a, array $b) : void {
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$c = array_merge($b, $a);
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foreach ($c as $d) {
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$d->foo();
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if ($d instanceof B) {}
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}
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}',
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[],
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'error_levels' => ['MixedAssignment', 'MixedMethodCall'],
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],
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'methodResolution' => [
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'<?php
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interface ReturnsString {
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public function getId(): string;
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}
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/**
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* @param mixed $a
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*/
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function foo(ReturnsString $user, $a): string {
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strlen($user->getId());
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(is_object($a) && method_exists($a, "getS")) ? (string)$a->getS() : "";
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return $user->getId();
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}'
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],
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'defineVariableCreatedInArgToMixed' => [
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'<?php
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function bar($a) : void {
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if ($a->foo($b = (int) 5)) {
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echo $b;
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}
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}',
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[],
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'error_levels' => ['MixedMethodCall', 'MissingParamType'],
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],
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'staticCallAfterMethodExists' => [
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'<?php
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class A
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{
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protected static function existing() : string
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{
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return "hello";
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}
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protected static function foo() : string
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{
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if (!method_exists(static::class, "maybeExists")) {
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return "hello";
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}
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self::maybeExists();
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return static::existing();
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}
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}'
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],
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];
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}
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/**
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* @return array
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*/
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public function providerInvalidCodeParse()
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{
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return [
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'staticInvocation' => [
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'<?php
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class Foo {
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public function barBar(): void {}
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}
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Foo::barBar();',
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'error_message' => 'InvalidStaticInvocation',
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],
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'parentStaticCall' => [
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'<?php
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class A {
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/** @return void */
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public function foo(){}
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}
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class B extends A {
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/** @return void */
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public static function bar(){
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parent::foo();
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}
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}',
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'error_message' => 'InvalidStaticInvocation',
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],
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'mixedMethodCall' => [
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'<?php
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class Foo {
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public static function barBar(): void {}
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}
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/** @var mixed */
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$a = (new Foo());
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$a->barBar();',
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'error_message' => 'MixedMethodCall',
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'error_levels' => [
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'MissingPropertyType',
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'MixedAssignment',
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],
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],
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'invalidMethodCall' => [
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'<?php
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("hello")->someMethod();',
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'error_message' => 'InvalidMethodCall',
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],
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'possiblyInvalidMethodCall' => [
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'<?php
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class A1 {
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public function methodOfA(): void {
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}
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}
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/** @param A1|string $x */
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function example($x, bool $isObject) : void {
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if ($isObject) {
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$x->methodOfA();
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}
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}',
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'error_message' => 'PossiblyInvalidMethodCall',
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],
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'selfNonStaticInvocation' => [
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'<?php
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class A {
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public function fooFoo(): void {}
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public static function barBar(): void {
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self::fooFoo();
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}
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}',
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'error_message' => 'NonStaticSelfCall',
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],
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'noParent' => [
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'<?php
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class Foo {
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public function barBar(): void {
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parent::barBar();
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}
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}',
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'error_message' => 'ParentNotFound',
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],
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'coercedClass' => [
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'<?php
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class NullableClass {
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}
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class NullableBug {
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/**
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* @param class-string|null $className
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* @return object|null
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*/
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public static function mock($className) {
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if (!$className) { return null; }
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return new $className();
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}
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/**
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* @return ?NullableClass
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*/
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public function returns_nullable_class() {
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return self::mock("NullableClass");
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}
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}',
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'error_message' => 'LessSpecificReturnStatement',
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'error_levels' => ['MixedInferredReturnType', 'MixedReturnStatement', 'TypeCoercion', 'MixedMethodCall'],
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],
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'undefinedVariableStaticCall' => [
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'<?php
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$foo::bar();',
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'error_message' => 'UndefinedGlobalVariable',
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],
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'staticCallOnString' => [
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'<?php
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class A {
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public static function bar(): int {
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return 5;
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}
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}
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$foo = "A";
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/** @psalm-suppress InvalidStringClass */
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$b = $foo::bar();',
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'error_message' => 'MixedAssignment',
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],
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'possiblyNullFunctionCall' => [
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'<?php
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$this->foo();',
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'error_message' => 'InvalidScope',
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],
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'possiblyFalseReference' => [
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'<?php
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class A {
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public function bar(): void {}
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}
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$a = rand(0, 1) ? new A : false;
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$a->bar();',
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'error_message' => 'PossiblyFalseReference',
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],
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'undefinedParentClass' => [
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'<?php
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/**
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* @psalm-suppress UndefinedClass
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*/
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class B extends A {}
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$b = new B();',
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'error_message' => 'MissingDependency - src' . DIRECTORY_SEPARATOR . 'somefile.php:7',
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],
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'variableMethodCallOnArray' => [
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'<?php
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$arr = [];
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$b = "foo";
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$arr->$b();',
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'error_message' => 'InvalidMethodCall',
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],
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'intVarStaticCall' => [
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'<?php
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$a = 5;
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$a::bar();',
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'error_message' => 'UndefinedClass',
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],
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'intVarNewCall' => [
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'<?php
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$a = 5;
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new $a();',
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'error_message' => 'UndefinedClass',
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],
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'invokeTypeMismatch' => [
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'<?php
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class A {
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public function __invoke(string $p): void {}
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}
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$q = new A;
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$q(1);',
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'error_message' => 'InvalidScalarArgument',
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],
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'explicitInvokeTypeMismatch' => [
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'<?php
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class A {
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public function __invoke(string $p): void {}
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}
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(new A)->__invoke(1);',
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'error_message' => 'InvalidScalarArgument',
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],
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'undefinedMethodPassedAsArg' => [
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'<?php
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class A {
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public function __call(string $method, array $args) {}
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}
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$q = new A;
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$q->foo(bar());',
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'error_message' => 'UndefinedFunction'
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],
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'noIntersectionMethod' => [
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'<?php
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interface A {}
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interface B {}
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/** @param B&A $p */
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function f($p): void {
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$p->zugzug();
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}',
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'error_message' => 'UndefinedInterfaceMethod - src/somefile.php:7 - Method (B&A)::zugzug does not exist'
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],
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'noInstanceCallAsStatic' => [
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'<?php
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class C {
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public function foo() : void {}
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}
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(new C)::foo();',
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'error_message' => 'InvalidStaticInvocation',
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],
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];
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}
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}
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