mirror of
https://github.com/danog/psalm.git
synced 2024-12-11 16:59:45 +01:00
835 lines
29 KiB
PHP
835 lines
29 KiB
PHP
<?php
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namespace Psalm\Tests;
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use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
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use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
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class ArgTest extends TestCase
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{
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use InvalidCodeAnalysisTestTrait;
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use ValidCodeAnalysisTestTrait;
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/**
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*
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*/
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public function providerValidCodeParse(): iterable
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{
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return [
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'argumentUnpackingLiteral' => [
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'code' => '<?php
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function add(int $a, int $b, int $c) : int {
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return $a + $b + $c;
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}
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echo add(1, ...[2, 3]);',
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],
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'arrayPushArgumentUnpackingWithGoodArg' => [
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'code' => '<?php
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$a = ["foo"];
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$b = ["foo", "bar"];
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array_push($a, ...$b);',
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'assertions' => [
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'$a' => 'non-empty-list<string>',
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],
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],
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'arrayMergeArgumentUnpacking' => [
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'code' => '<?php
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$a = [[1, 2]];
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$b = array_merge([], ...$a);',
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'assertions' => [
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'$b===' => 'list{1, 2}',
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],
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],
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'preserveTypesWhenUnpacking' => [
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'code' => '<?php
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/**
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* @return array<int,array<int,string>>
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*/
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function getData(): array
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{
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return [
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["a", "b"],
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["c", "d"]
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];
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}
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/**
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* @return array<int,string>
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*/
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function f1(): array
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{
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$data = getData();
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return array_merge($data[0], $data[1]);
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}
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/**
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* @return array<int,string>
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*/
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function f2(): array
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{
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$data = getData();
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return array_merge(...$data);
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}
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/**
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* @return array<int,string>
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*/
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function f3(): array
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{
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$data = getData();
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return array_merge([], ...$data);
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}',
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],
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'unpackArg' => [
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'code' => '<?php
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function Foo(string $a, string ...$b) : void {}
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/** @return array<array-key, string> */
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function Baz(string ...$c) {
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Foo(...$c);
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return $c;
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}',
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],
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'unpackByRefArg' => [
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'code' => '<?php
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function example (int &...$x): void {}
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$y = 0;
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example($y);
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$z = [0];
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example(...$z);',
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'assertions' => [
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'$y' => 'int',
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'$z' => 'array<int, int>',
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],
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],
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'callMapClassOptionalArg' => [
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'code' => '<?php
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class Hello {}
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$m = new ReflectionMethod(Hello::class, "goodbye");
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$m->invoke(null, "cool");',
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],
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'sortFunctions' => [
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'code' => '<?php
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$a = ["b" => 5, "a" => 8];
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ksort($a);
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$b = ["b" => 5, "a" => 8];
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sort($b);
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$c = [];
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sort($c);
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',
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'assertions' => [
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'$a' => 'array{a: int, b: int}',
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'$b' => 'non-empty-list<int>',
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'$c' => 'list<never>',
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],
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],
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'arrayModificationFunctions' => [
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'code' => '<?php
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$a = ["b" => 5, "a" => 8];
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array_unshift($a, (bool)rand(0, 1));
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$b = ["b" => 5, "a" => 8];
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array_push($b, (bool)rand(0, 1));
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',
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'assertions' => [
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'$a' => 'non-empty-array<int|string, bool|int>',
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'$b' => 'non-empty-array<int|string, bool|int>',
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],
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],
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'byRefArgAssignment' => [
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'code' => '<?php
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$a = ["hello", "goodbye"];
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shuffle($a);
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$a = [0, 1];',
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],
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'correctOrderValidation' => [
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'code' => '<?php
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function getString(int $i) : string {
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return rand(0, 1) ? "hello" : "";
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}
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function takesInt(int $i) : void {}
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$i = rand(0, 10);
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if (!($i = getString($i))) {}',
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],
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'allowNullInObjectUnion' => [
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'code' => '<?php
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/**
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* @param string|null|object $b
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*/
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function foo($b) : void {}
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foo(null);',
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],
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'allowArrayIntScalarForArrayStringWithArgumentTypeCoercionIgnored' => [
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'code' => '<?php
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/** @param array<array-key> $arr */
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function foo(array $arr) : void {
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}
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/** @return array<int, scalar> */
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function bar() : array {
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return [];
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}
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/** @psalm-suppress ArgumentTypeCoercion */
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foo(bar());',
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],
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'allowArrayScalarForArrayStringWithArgumentTypeCoercionIgnored' => [
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'code' => '<?php declare(strict_types=1);
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/** @param array<string> $arr */
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function foo(array $arr) : void {}
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/** @return array<int, scalar> */
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function bar() : array {
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return [];
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}
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/** @psalm-suppress ArgumentTypeCoercion */
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foo(bar());',
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],
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'unpackObjectlikeListArgs' => [
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'code' => '<?php
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$a = [new DateTime(), 1];
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function f(DateTime $d, int $a): void {}
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f(...$a);',
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],
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'unpackWithoutAlteringArray' => [
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'code' => '<?php
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function takeVariadicInts(int ...$inputs): void {}
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$a = [3, 5, 7];
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takeVariadicInts(...$a);',
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'assertions' => [
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'$a' => 'non-empty-list<int>'
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]
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],
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'iterableSplat' => [
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'code' => '<?php
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/** @param iterable<int, mixed> $args */
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function foo(iterable $args): int {
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return intval(...$args);
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}
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/** @param ArrayIterator<int, mixed> $args */
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function bar(ArrayIterator $args): int {
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return intval(...$args);
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}',
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],
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'unpackListWithOptional' => [
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'code' => '<?php
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function foo(string ...$rest):void {}
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$rest = ["zzz"];
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if (rand(0,1)) {
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$rest[] = "xxx";
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}
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foo("first", ...$rest);'
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],
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'useNamedArguments' => [
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'code' => '<?php
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class CustomerData {
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public function __construct(
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public string $name,
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public string $email,
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public int $age,
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) {}
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}
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/**
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* @param array{age: int, name: string, email: string} $input
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*/
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function foo(array $input) : CustomerData {
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return new CustomerData(
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age: $input["age"],
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name: $input["name"],
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email: $input["email"],
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);
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}'
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],
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'useNamedArgumentsSimple' => [
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'code' => '<?php
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function takesArguments(string $name, int $age) : void {}
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takesArguments(name: "hello", age: 5);
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takesArguments(age: 5, name: "hello");'
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],
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'useNamedArgumentsSpread' => [
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'code' => '<?php
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function takesArguments(string $name, int $age) : void {}
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$args = ["name" => "hello", "age" => 5];
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takesArguments(...$args);',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.0'
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],
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'useNamedVariadicArguments' => [
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'code' => '<?php
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function takesArguments(int ...$args) : void {}
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takesArguments(age: 5);',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.0'
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],
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'useUnpackedNamedVariadicArguments' => [
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'code' => '<?php
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function takesArguments(int ...$args) : void {}
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takesArguments(...["age" => 5]);',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.0'
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],
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'variadicArgsOptional' => [
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'code' => '<?php
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bar(...["aaaaa"]);
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function bar(string $p1, int $p3 = 10) : void {}'
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],
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'mkdirNamedParameters' => [
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'code' => '<?php declare(strict_types=1);
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mkdir("/var/test/123", recursive: true);',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.0'
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],
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'variadicArgumentWithNoNamedArgumentsIsList' => [
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'code' => '<?php
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class A {
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/**
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* @no-named-arguments
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* @psalm-return list<int>
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*/
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public function foo(int ...$values): array
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{
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return $values;
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}
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}
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',
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],
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'SealedAcceptSealed' => [
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'code' => '<?php
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/** @param array{test: string} $a */
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function a(array $a): string {
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return $a["test"];
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}
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$sealed = ["test" => "str"];
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a($sealed);
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',
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],
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'variadicCallbackArgsCountMatch' => [
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'code' => '<?php
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/**
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* @param callable(string, string):void $callback
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* @return void
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*/
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function caller($callback) {}
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/**
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* @param string ...$bar
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* @return void
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*/
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function foo(...$bar) {}
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caller("foo");',
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],
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'variadicCallableArgsCountMatch' => [
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'code' => '<?php
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/**
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* @param callable(string, ...int):void $callback
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* @return void
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*/
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function var_caller($callback) {}
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/**
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* @param string $a
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* @param int $b
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* @param int $c
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* @return void
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*/
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function foo($a, $b, $c) {}
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var_caller("foo");',
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],
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];
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}
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/**
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*
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*/
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public function providerInvalidCodeParse(): iterable
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{
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return [
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'arrayPushArgumentUnpackingWithBadArg' => [
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'code' => '<?php
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$a = [];
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$b = "hello";
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$a[] = "foo";
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array_push($a, ...$b);',
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'error_message' => 'InvalidArgument',
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],
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'possiblyInvalidArgument' => [
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'code' => '<?php
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$foo = [
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"a",
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["b"],
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];
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$a = array_map(
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function (string $uuid): string {
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return $uuid;
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},
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$foo[rand(0, 1)]
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);',
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'error_message' => 'PossiblyInvalidArgument',
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],
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'possiblyInvalidArgumentWithOverlap' => [
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'code' => '<?php
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class A {}
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class B {}
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class C {}
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$foo = rand(0, 1) ? new A : new B;
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/** @param B|C $b */
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function bar($b) : void {}
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bar($foo);',
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'error_message' => 'PossiblyInvalidArgument',
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],
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'possiblyInvalidArgumentWithMixed' => [
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'code' => '<?php declare(strict_types=1);
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/**
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* @psalm-suppress MissingParamType
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* @psalm-suppress MixedArgument
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*/
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function foo($a) : void {
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if (rand(0, 1)) {
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$a = 0;
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}
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echo strlen($a);
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}',
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'error_message' => 'PossiblyInvalidArgument',
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],
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'expectsNonNullAndPassedPossiblyNull' => [
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'code' => '<?php
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/**
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* @param mixed|null $mixed_or_null
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*/
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function foo($mixed, $mixed_or_null): void {
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/**
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* @psalm-suppress MixedArgument
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*/
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new Exception($mixed_or_null);
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}',
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'error_message' => 'PossiblyNullArgument'
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],
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'useInvalidNamedArgument' => [
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'code' => '<?php
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class CustomerData {
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public function __construct(
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public string $name,
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public string $email,
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public int $age,
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) {}
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}
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/**
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* @param array{age: int, name: string, email: string} $input
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*/
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function foo(array $input) : CustomerData {
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return new CustomerData(
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aage: $input["age"],
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name: $input["name"],
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email: $input["email"],
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);
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}',
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'error_message' => 'InvalidNamedArgument'
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],
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'usePositionalArgAfterNamed' => [
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'code' => '<?php
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final class Person
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{
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public function __construct(
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public string $name,
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public int $age,
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) { }
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}
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new Person(name: "", 0);',
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'error_message' => 'InvalidNamedArgument'
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],
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'useUnpackedInvalidNamedArgument' => [
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'code' => '<?php
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class CustomerData {
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public function __construct(
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public string $name,
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public string $email,
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public int $age,
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) {}
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}
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/**
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* @param array{aage: int, name: string, email: string} $input
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*/
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function foo(array $input) : CustomerData {
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return new CustomerData(...$input);
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}',
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'error_message' => 'InvalidNamedArgument',
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'ignored_issues' => [],
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'php_version' => '8.0'
|
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],
|
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'noNamedArgsMethod' => [
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'code' => '<?php
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class CustomerData
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{
|
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/** @no-named-arguments */
|
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public function __construct(
|
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public string $name,
|
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public string $email,
|
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public int $age,
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) {}
|
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}
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|
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/**
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* @param array{age: int, name: string, email: string} $input
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*/
|
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function foo(array $input) : CustomerData {
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return new CustomerData(
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age: $input["age"],
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name: $input["name"],
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email: $input["email"],
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);
|
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}',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
],
|
|
'noNamedArgsFunction' => [
|
|
'code' => '<?php
|
|
/** @no-named-arguments */
|
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function takesArguments(string $name, int $age) : void {}
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takesArguments(age: 5, name: "hello");',
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'error_message' => 'NamedArgumentNotAllowed',
|
|
],
|
|
'arrayWithoutAllNamedParameters' => [
|
|
'code' => '<?php
|
|
class User {
|
|
public function __construct(
|
|
public int $id,
|
|
public string $name,
|
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public int $age
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) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{id: int, name: string} $data
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*/
|
|
function processUserDataInvalid(array $data) : User {
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|
return new User(...$data);
|
|
}',
|
|
'error_message' => 'MixedArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0'
|
|
],
|
|
'arrayWithoutAllNamedParametersSuppressMixed' => [
|
|
'code' => '<?php
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|
class User {
|
|
public function __construct(
|
|
public int $id,
|
|
public string $name,
|
|
public int $age
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{id: int, name: string} $data
|
|
*/
|
|
function processUserDataInvalid(array $data) : User {
|
|
/** @psalm-suppress MixedArgument */
|
|
return new User(...$data);
|
|
}',
|
|
'error_message' => 'TooFewArguments',
|
|
'ignored_issues' => [],
|
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'php_version' => '8.0'
|
|
],
|
|
'wrongTypeVariadicArguments' => [
|
|
'code' => '<?php
|
|
function takesArguments(int ...$args) : void {}
|
|
|
|
takesArguments(age: "abc");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0'
|
|
],
|
|
'byrefVarSetsPossible' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param mixed $a
|
|
* @psalm-param-out int $a
|
|
*/
|
|
function takesByRef(&$a) : void {
|
|
$a = 5;
|
|
}
|
|
|
|
if (rand(0, 1)) {
|
|
takesByRef($b);
|
|
}
|
|
|
|
echo $b;',
|
|
'error_message' => 'PossiblyUndefinedGlobalVariable',
|
|
],
|
|
'overwriteNamedParam' => [
|
|
'code' => '<?php
|
|
function test(int $param, int $param2): void {
|
|
echo $param + $param2;
|
|
}
|
|
|
|
test(param: 1, param: 2);',
|
|
'error_message' => 'InvalidNamedArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0'
|
|
],
|
|
'overwriteOrderedNamedParam' => [
|
|
'code' => '<?php
|
|
function test(int $param, int $param2): void {
|
|
echo $param + $param2;
|
|
}
|
|
|
|
test(1, param: 2);',
|
|
'error_message' => 'InvalidNamedArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0'
|
|
],
|
|
'overwriteOrderedWithUnpackedNamedParam' => [
|
|
'code' => '<?php
|
|
function test(int $param, int $param2): void {
|
|
echo $param + $param2;
|
|
}
|
|
|
|
test(1, ...["param" => 2]);',
|
|
'error_message' => 'InvalidNamedArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0'
|
|
],
|
|
'variadicArgumentIsNotList' => [
|
|
'code' => '<?php
|
|
/** @psalm-return list<int> */
|
|
function foo(int ...$values): array
|
|
{
|
|
return $values;
|
|
}
|
|
',
|
|
'error_message' => 'MixedReturnTypeCoercion',
|
|
],
|
|
'preventUnpackingPossiblyIterable' => [
|
|
'code' => '<?php
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
/** @var iterable<int, int>|object */
|
|
$test = [1, 2];
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'PossiblyInvalidArgument'
|
|
],
|
|
'SKIPPED-preventUnpackingPossiblyArray' => [
|
|
'code' => '<?php
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
/** @var array<int, int>|object */
|
|
$test = [1, 2];
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'PossiblyInvalidArgument'
|
|
],
|
|
'noNamedArguments' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-suppress UnusedParam
|
|
* @no-named-arguments
|
|
*/
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
foo(arg2: 0, arg1: 1);
|
|
',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0',
|
|
],
|
|
'noNamedArgumentsUnpackIterable' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-suppress UnusedParam
|
|
* @no-named-arguments
|
|
*/
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
/** @var iterable<string, int> */
|
|
$test = ["arg1" => 1, "arg2" => 2];
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0',
|
|
],
|
|
'variadicArgumentWithNoNamedArgumentsPreventsPassingArrayWithStringKey' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @no-named-arguments
|
|
* @psalm-return list<int>
|
|
*/
|
|
function foo(int ...$values): array
|
|
{
|
|
return $values;
|
|
}
|
|
|
|
foo(...["a" => 0]);
|
|
',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
],
|
|
'unpackNonArrayKeyIterable' => [
|
|
'code' => '<?php
|
|
/** @psalm-suppress UnusedParam */
|
|
function foo(string ...$args): void {}
|
|
|
|
/** @var Iterator<float, string> */
|
|
$test = null;
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'numericStringIsNotNonFalsy' => [
|
|
'code' => '<?php
|
|
/** @param non-falsy-string $arg */
|
|
function foo(string $arg): string
|
|
{
|
|
return $arg;
|
|
}
|
|
|
|
/** @return numeric-string */
|
|
function bar(): string
|
|
{
|
|
return "0";
|
|
}
|
|
|
|
foo(bar());
|
|
',
|
|
'error_message' => 'ArgumentTypeCoercion',
|
|
],
|
|
'objectIsNotObjectWithProperties' => [
|
|
'code' => '<?php
|
|
|
|
function makeObj(): object {
|
|
return (object)["a" => 42];
|
|
}
|
|
|
|
/** @param object{hmm:float} $_o */
|
|
function takesObject($_o): void {}
|
|
|
|
takesObject(makeObj()); // expected: ArgumentTypeCoercion
|
|
',
|
|
'error_message' => 'ArgumentTypeCoercion',
|
|
],
|
|
'objectRedundantCast' => [
|
|
'code' => '<?php
|
|
|
|
function makeObj(): object {
|
|
return (object)["a" => 42];
|
|
}
|
|
|
|
function takesObject(object $_o): void {}
|
|
|
|
takesObject((object)makeObj()); // expected: RedundantCast
|
|
',
|
|
'error_message' => 'RedundantCast',
|
|
],
|
|
'MissingMandatoryParamWithNamedParams' => [
|
|
'code' => '<?php
|
|
class User
|
|
{
|
|
public function __construct(
|
|
protected string $name,
|
|
protected string $problematicOne,
|
|
protected string $id = "",
|
|
){}
|
|
}
|
|
|
|
new User(
|
|
name: "John",
|
|
id: "asd",
|
|
);
|
|
',
|
|
'error_message' => 'TooFewArguments',
|
|
],
|
|
'SealedRefuseUnsealed' => [
|
|
'code' => '<?php
|
|
/** @param array{test: string} $a */
|
|
function a(array $a): string {
|
|
return $a["test"];
|
|
}
|
|
|
|
/** @var array{test: string, ...} */
|
|
$unsealed = [];
|
|
a($unsealed);
|
|
',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'SealedRefuseSealedExtra' => [
|
|
'code' => '<?php
|
|
/** @param array{test: string} $a */
|
|
function a(array $a): string {
|
|
return $a["test"];
|
|
}
|
|
|
|
$sealedExtraKeys = ["test" => "str", "somethingElse" => "test"];
|
|
a($sealedExtraKeys);
|
|
',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'callbackArgsCountMismatch' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(string, string):void $callback
|
|
* @return void
|
|
*/
|
|
function caller($callback) {}
|
|
|
|
/**
|
|
* @param string $a
|
|
* @return void
|
|
*/
|
|
function foo($a) {}
|
|
|
|
caller("foo");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
'callableArgsCountMismatch' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(string):void $callback
|
|
* @return void
|
|
*/
|
|
function caller($callback) {}
|
|
|
|
/**
|
|
* @param string $a
|
|
* @param string $b
|
|
* @return void
|
|
*/
|
|
function foo($a, $b) {}
|
|
|
|
caller("foo");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
];
|
|
}
|
|
}
|