mirror of
https://github.com/danog/psalm.git
synced 2024-12-11 00:39:38 +01:00
1736 lines
60 KiB
PHP
1736 lines
60 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 CallableTest extends TestCase
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{
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use InvalidCodeAnalysisTestTrait;
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use ValidCodeAnalysisTestTrait;
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public function providerValidCodeParse(): iterable
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{
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return [
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'byRefUseVar' => [
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'code' => '<?php
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/** @return void */
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function run_function(\Closure $fnc) {
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$fnc();
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}
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/**
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* @return void
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* @psalm-suppress MixedArgument
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*/
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function f() {
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run_function(
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/**
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* @return void
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*/
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function() use(&$data) {
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$data = 1;
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}
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);
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echo $data;
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}
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f();',
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],
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'inferredArg' => [
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'code' => '<?php
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$bar = ["foo", "bar"];
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$bam = array_map(
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function(string $a) {
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return $a . "blah";
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},
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$bar
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);',
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],
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'inferredArgArrowFunction' => [
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'code' => '<?php
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$bar = ["foo", "bar"];
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$bam = array_map(
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fn(string $a) => $a . "blah",
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$bar
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);',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '7.4',
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],
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'inferArgFromClassContext' => [
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'code' => '<?php
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final class Calc
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{
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/**
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* @param Closure(int, int): int $_fn
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*/
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public function __invoke(Closure $_fn): int
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{
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return $_fn(42, 42);
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}
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}
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$calc = new Calc();
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$a = $calc(fn($a, $b) => $a + $b);',
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'assertions' => [
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'$a' => 'int',
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],
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'ignored_issues' => [],
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'php_version' => '7.4',
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],
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'inferArgFromClassContextWithNamedArguments' => [
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'code' => '<?php
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final class Calc
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{
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/**
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* @param Closure(int, int): int ...$_fn
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*/
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public function __invoke(Closure ...$_fn): int
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{
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throw new RuntimeException("???");
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}
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}
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$calc = new Calc();
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$a = $calc(
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foo: fn($_a, $_b) => $_a + $_b,
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bar: fn($_a, $_b) => $_a + $_b,
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);',
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'assertions' => [
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'$a' => 'int',
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],
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'ignored_issues' => [],
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'php_version' => '7.4',
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],
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'inferArgFromClassContextInGenericContext' => [
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'code' => '<?php
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/**
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* @template A
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*/
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final class ArrayList
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{
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/**
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* @template B
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* @param Closure(A): B $ab
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* @return ArrayList<B>
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*/
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public function map(Closure $ab): ArrayList
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{
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throw new RuntimeException("???");
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}
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}
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/**
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* @template T
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* @param ArrayList<T> $list
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* @return ArrayList<array{T}>
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*/
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function asTupled(ArrayList $list): ArrayList
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{
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return $list->map(function ($_a) {
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return [$_a];
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});
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}
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/** @var ArrayList<int> $a */
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$a = new ArrayList();
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$b = asTupled($a);',
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'assertions' => [
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'$b' => 'ArrayList<list{int}>',
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],
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],
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'inferArgByPreviousFunctionArg' => [
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'code' => '<?php
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/**
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* @template A
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* @template B
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*
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* @param iterable<array-key, A> $_collection
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* @param callable(A): B $_ab
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* @return list<B>
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*/
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function map(iterable $_collection, callable $_ab) { return []; }
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/** @template T */
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final class Foo
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{
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/** @return Foo<int> */
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public function toInt() { throw new RuntimeException("???"); }
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}
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/** @var list<Foo<string>> */
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$items = [];
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$inferred = map($items, function ($i) {
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return $i->toInt();
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});',
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'assertions' => [
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'$inferred' => 'list<Foo<int>>',
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],
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],
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'inferTemplateForExplicitlyTypedArgByPreviousFunctionArg' => [
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'code' => '<?php
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/**
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* @template A
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* @template B
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*
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* @param iterable<array-key, A> $_collection
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* @param callable(A): B $_ab
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* @return list<B>
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*/
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function map(iterable $_collection, callable $_ab) { return []; }
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/** @template T */
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final class Foo
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{
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/** @return Foo<int> */
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public function toInt() { throw new RuntimeException("???"); }
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}
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/** @var list<Foo<string>> */
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$items = [];
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$inferred = map($items, function (Foo $i) {
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return $i->toInt();
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});',
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'assertions' => [
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'$inferred' => 'list<Foo<int>>',
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],
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],
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'doNotInferTemplateForExplicitlyTypedWithPhpdocArgByPreviousFunctionArg' => [
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'code' => '<?php
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/**
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* @template A
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* @template B
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*
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* @param iterable<array-key, A> $_collection
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* @param callable(A): B $_ab
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* @return list<B>
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*/
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function map(iterable $_collection, callable $_ab) { return []; }
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/** @template T */
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final class Foo { }
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/** @var list<Foo<string>> */
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$items = [];
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$inferred = map($items,
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/** @param Foo $i */
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function ($i) {
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return $i;
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}
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);',
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'assertions' => [
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'$inferred' => 'list<Foo>',
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],
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],
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'inferTemplateOfHighOrderFunctionArgByPreviousArg' => [
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'code' => '<?php
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/**
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* @return list<int>
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*/
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function getList() { throw new RuntimeException("???"); }
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/**
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* @template T
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* @return Closure(T): T
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*/
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function id() { throw new RuntimeException("???"); }
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/**
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* @template A
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* @template B
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*
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* @param list<A> $_items
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* @param callable(A): B $_ab
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* @return list<B>
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*/
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function map(array $_items, callable $_ab) { throw new RuntimeException("???"); }
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$result = map(getList(), id());
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',
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'assertions' => [
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'$result' => 'list<int>',
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],
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],
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'inferTemplateOfHighOrderFunctionArgByPreviousArgInClassContext' => [
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'code' => '<?php
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/**
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* @template A
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*/
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final class ArrayList
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{
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/**
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* @template B
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*
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* @param callable(A): B $ab
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* @return ArrayList<B>
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*/
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public function map(callable $ab) { throw new RuntimeException("???"); }
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}
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/**
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* @return ArrayList<int>
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*/
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function getList() { throw new RuntimeException("???"); }
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/**
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* @template T
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* @return Closure(T): T
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*/
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function id() { throw new RuntimeException("???"); }
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$result = getList()->map(id());
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',
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'assertions' => [
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'$result' => 'ArrayList<int>',
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],
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],
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'inferTemplateOfHighOrderFunctionFromMethodArgByPreviousArg' => [
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'code' => '<?php
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final class Ops
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{
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/**
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* @template T
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* @return Closure(list<T>): T
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*/
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public function flatten() { throw new RuntimeException("???"); }
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}
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/**
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* @return list<list<int>>
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*/
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function getList() { throw new RuntimeException("???"); }
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/**
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* @template T
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* @return Closure(list<T>): T
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*/
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function flatten() { throw new RuntimeException("???"); }
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/**
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* @template A
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* @template B
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*
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* @param list<A> $_a
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* @param callable(A): B $_ab
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* @return list<B>
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*/
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function map(array $_a, callable $_ab) { throw new RuntimeException("???"); }
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$ops = new Ops;
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$result = map(getList(), $ops->flatten());
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',
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'assertions' => [
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'$result' => 'list<int>',
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],
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],
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'inferTemplateOfHighOrderFunctionFromStaticMethodArgByPreviousArg' => [
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'code' => '<?php
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final class StaticOps
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{
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/**
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* @template T
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* @return Closure(list<T>): T
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*/
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public static function flatten() { throw new RuntimeException("???"); }
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}
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/**
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* @return list<list<int>>
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*/
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function getList() { throw new RuntimeException("???"); }
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/**
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* @template T
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* @return Closure(list<T>): T
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*/
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function flatten() { throw new RuntimeException("???"); }
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/**
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* @template A
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* @template B
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*
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* @param list<A> $_a
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* @param callable(A): B $_ab
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* @return list<B>
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*/
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function map(array $_a, callable $_ab) { throw new RuntimeException("???"); }
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$result = map(getList(), StaticOps::flatten());
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',
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'assertions' => [
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'$result' => 'list<int>',
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],
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],
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'PipeTest' => [
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'code' => '<?php
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/**
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* @template A
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* @template B
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*/
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final class MapOperator
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{
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/**
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* @param Closure(A): B $ab
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*/
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public function __construct(private Closure $ab) { }
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/**
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* @param list<A> $a
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* @return list<B>
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*/
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public function __invoke($a): array
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{
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$b = [];
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foreach ($a as $item) {
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$b[] = ($this->ab)($item);
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}
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return $b;
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}
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}
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/**
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* @template A
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* @template B
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*
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* @param Closure(A): B $ab
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* @return MapOperator<A, B>
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*/
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function map(Closure $ab): MapOperator
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{
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return new MapOperator($ab);
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}
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/**
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* @template A
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* @template B
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*
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* @param A $_a
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* @param callable(A): B $_ab
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* @return B
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*/
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function pipe(array $_a, callable $_ab): array
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{
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throw new RuntimeException("???");
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}
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$result1 = pipe(
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["1", "2", "3"],
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map(fn ($i) => (int) $i)
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);
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$result2 = pipe(
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["1", "2", "3"],
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new MapOperator(fn ($i) => (int) $i)
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);
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',
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'assertions' => [
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'$result1' => 'list<int>',
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'$result2' => 'list<int>',
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],
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'ignored_issues' => [],
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'php_version' => '8.0',
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],
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'inferPipelineWithPartiallyAppliedFunctions' => [
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'code' => '<?php
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/**
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* @template T
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*
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* @param callable(T, int): bool $_predicate
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* @return Closure(list<T>): list<T>
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*/
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function filter(callable $_predicate): Closure { throw new RuntimeException("???"); }
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/**
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* @template A
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* @template B
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*
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* @param callable(A): B $_ab
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* @return Closure(list<A>): list<B>
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*/
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function map(callable $_ab): Closure { throw new RuntimeException("???"); }
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/**
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* @template T
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* @return (Closure(list<T>): (non-empty-list<T> | null))
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*/
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function asNonEmptyList(): Closure { throw new RuntimeException("???"); }
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/**
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* @template T
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* @return Closure(T): T
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*/
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function id(): Closure { throw new RuntimeException("???"); }
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/**
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* @template A
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* @template B
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* @template C
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* @template D
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* @template E
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* @template F
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*
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* @param A $arg
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* @param callable(A): B $ab
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* @param callable(B): C $bc
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* @param callable(C): D $cd
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* @param callable(D): E $de
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* @param callable(E): F $ef
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* @return F
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*/
|
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function pipe4(mixed $arg, callable $ab, callable $bc, callable $cd, callable $de, callable $ef): mixed
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{
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return $ef($de($cd($bc($ab($arg)))));
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}
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|
|
/**
|
|
* @template TFoo of string
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* @template TBar of bool
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|
*/
|
|
final class Item
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|
{
|
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/**
|
|
* @param TFoo $foo
|
|
* @param TBar $bar
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|
*/
|
|
public function __construct(
|
|
public string $foo,
|
|
public bool $bar,
|
|
) { }
|
|
}
|
|
|
|
/**
|
|
* @return list<Item>
|
|
*/
|
|
function getList(): array { return []; }
|
|
|
|
$result = pipe4(
|
|
getList(),
|
|
filter(fn($i) => $i->bar),
|
|
filter(fn(Item $i) => $i->foo !== "bar"),
|
|
map(fn($i) => new Item("test: " . $i->foo, $i->bar)),
|
|
asNonEmptyList(),
|
|
id(),
|
|
);',
|
|
'assertions' => [
|
|
'$result' => 'non-empty-list<Item<string, bool>>|null',
|
|
],
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0',
|
|
],
|
|
'varReturnType' => [
|
|
'code' => '<?php
|
|
$add_one = function(int $a) : int {
|
|
return $a + 1;
|
|
};
|
|
|
|
$a = $add_one(1);',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
],
|
|
],
|
|
'varReturnTypeArray' => [
|
|
'code' => '<?php
|
|
$add_one = fn(int $a) : int => $a + 1;
|
|
|
|
$a = $add_one(1);',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
],
|
|
'ignored_issues' => [],
|
|
'php_version' => '7.4',
|
|
],
|
|
'varCallableParamReturnType' => [
|
|
'code' => '<?php
|
|
$add_one = function(int $a): int {
|
|
return $a + 1;
|
|
};
|
|
|
|
/**
|
|
* @param callable(int) : int $c
|
|
*/
|
|
function bar(callable $c) : int {
|
|
return $c(1);
|
|
}
|
|
|
|
bar($add_one);',
|
|
],
|
|
'callableToClosure' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @return callable
|
|
*/
|
|
function foo() {
|
|
return function(string $a): string {
|
|
return $a . "blah";
|
|
};
|
|
}',
|
|
],
|
|
'callableToClosureArrow' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @return callable
|
|
*/
|
|
function foo() {
|
|
return fn(string $a): string => $a . "blah";
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => [],
|
|
'php_version' => '7.4',
|
|
],
|
|
'callable' => [
|
|
'code' => '<?php
|
|
function foo(callable $c): void {
|
|
echo (string)$c();
|
|
}',
|
|
],
|
|
'callableClass' => [
|
|
'code' => '<?php
|
|
class C {
|
|
public function __invoke(): string {
|
|
return "You ran?";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {
|
|
echo (string)$c();
|
|
}
|
|
|
|
foo(new C());
|
|
|
|
$c2 = new C();
|
|
$c2();',
|
|
],
|
|
'invokeMethodExists' => [
|
|
'code' => '<?php
|
|
function call(object $obj): void {
|
|
if (!method_exists($obj, "__invoke")) {
|
|
return;
|
|
}
|
|
$obj();
|
|
}',
|
|
],
|
|
'correctParamType' => [
|
|
'code' => '<?php
|
|
$take_string = function(string $s): string { return $s; };
|
|
$take_string("string");',
|
|
],
|
|
'callableMethodStringCallable' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo("A::bar");
|
|
foo(A::class . "::bar");',
|
|
],
|
|
'callableMethodArrayCallable' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo(["A", "bar"]);
|
|
foo([A::class, "bar"]);
|
|
$a = new A();
|
|
foo([$a, "bar"]);',
|
|
],
|
|
'callableMethodArrayCallableMissingTypes' => [
|
|
'code' => '<?php
|
|
function foo(callable $c): void {}
|
|
|
|
/** @psalm-suppress MissingParamType */
|
|
function bar($a, $b) : void {
|
|
foo([$a, $b]);
|
|
}',
|
|
],
|
|
'arrayMapCallableMethod' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function baz(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
|
|
$a = array_map("A::bar", ["one", "two"]);
|
|
$b = array_map(["A", "bar"], ["one", "two"]);
|
|
$c = array_map([A::class, "bar"], ["one", "two"]);
|
|
$d = array_map([new A(), "bar"], ["one", "two"]);
|
|
$a_instance = new A();
|
|
$e = array_map([$a_instance, "bar"], ["one", "two"]);
|
|
$f = array_map("baz", ["one", "two"]);',
|
|
'assertions' => [
|
|
'$a' => 'list{string, string}',
|
|
'$b' => 'list{string, string}',
|
|
'$c' => 'list{string, string}',
|
|
'$d' => 'list{string, string}',
|
|
'$e' => 'list{string, string}',
|
|
'$f' => 'list{string, string}',
|
|
],
|
|
],
|
|
'arrayCallableMethod' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo(["A", "bar"]);',
|
|
],
|
|
'callableFunction' => [
|
|
'code' => '<?php
|
|
function foo(callable $c): void {}
|
|
|
|
foo("trim");',
|
|
],
|
|
'inlineCallableFunction' => [
|
|
'code' => '<?php
|
|
class A {
|
|
function bar(): void {
|
|
function foobar(int $a, int $b): int {
|
|
return $a > $b ? 1 : 0;
|
|
}
|
|
|
|
$arr = [5, 4, 3, 1, 2];
|
|
|
|
usort($arr, "fooBar");
|
|
}
|
|
}',
|
|
],
|
|
'closureSelf' => [
|
|
'code' => '<?php
|
|
class A
|
|
{
|
|
/**
|
|
* @var self[]
|
|
*/
|
|
private $subitems;
|
|
|
|
/**
|
|
* @param self[] $in
|
|
*/
|
|
public function __construct(array $in = [])
|
|
{
|
|
array_map(function(self $i): self { return $i; }, $in);
|
|
|
|
$this->subitems = array_map(
|
|
function(self $i): self {
|
|
return $i;
|
|
},
|
|
$in
|
|
);
|
|
}
|
|
}
|
|
|
|
new A([new A, new A]);',
|
|
],
|
|
'possiblyUndefinedFunction' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param string|callable $middlewareOrPath
|
|
*/
|
|
function pipe($middlewareOrPath, ?callable $middleware = null): void { }
|
|
|
|
pipe("zzzz", function() : void {});',
|
|
],
|
|
'callableWithNonInvokable' => [
|
|
'code' => '<?php
|
|
function asd(): void {}
|
|
class B {}
|
|
|
|
/**
|
|
* @param callable|B $p
|
|
*/
|
|
function passes($p): void {}
|
|
|
|
passes("asd");',
|
|
],
|
|
'callableWithInvokable' => [
|
|
'code' => '<?php
|
|
function asd(): void {}
|
|
class A { public function __invoke(): void {} }
|
|
|
|
/**
|
|
* @param callable|A $p
|
|
*/
|
|
function fails($p): void {}
|
|
|
|
fails("asd");',
|
|
],
|
|
'isCallableArray' => [
|
|
'code' => '<?php
|
|
class A
|
|
{
|
|
public function callMeMaybe(string $method): void
|
|
{
|
|
$handleMethod = [$this, $method];
|
|
|
|
if (is_callable($handleMethod)) {
|
|
$handleMethod();
|
|
}
|
|
}
|
|
|
|
public function foo(): void {}
|
|
}
|
|
$a = new A();
|
|
$a->callMeMaybe("foo");',
|
|
],
|
|
'isCallableString' => [
|
|
'code' => '<?php
|
|
function foo(): void {}
|
|
|
|
function callMeMaybe(string $method): void {
|
|
if (is_callable($method)) {
|
|
$method();
|
|
}
|
|
}
|
|
|
|
callMeMaybe("foo");',
|
|
],
|
|
'allowVoidCallable' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable():void $p
|
|
*/
|
|
function doSomething($p): void {}
|
|
doSomething(function(): bool { return false; });',
|
|
],
|
|
'callableProperties' => [
|
|
'code' => '<?php
|
|
class C {
|
|
/** @psalm-var callable():bool */
|
|
private $callable;
|
|
|
|
/**
|
|
* @psalm-param callable():bool $callable
|
|
*/
|
|
public function __construct(callable $callable) {
|
|
$this->callable = $callable;
|
|
}
|
|
|
|
public function callTheCallableDirectly(): bool {
|
|
return ($this->callable)();
|
|
}
|
|
|
|
public function callTheCallableIndirectly(): bool {
|
|
$r = $this->callable;
|
|
return $r();
|
|
}
|
|
}',
|
|
],
|
|
'invokableProperties' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public function __invoke(): bool { return true; }
|
|
}
|
|
|
|
class C {
|
|
/** @var A $invokable */
|
|
private $invokable;
|
|
|
|
public function __construct(A $invokable) {
|
|
$this->invokable = $invokable;
|
|
}
|
|
|
|
public function callTheInvokableDirectly(): bool {
|
|
return ($this->invokable)();
|
|
}
|
|
|
|
public function callTheInvokableIndirectly(): bool {
|
|
$r = $this->invokable;
|
|
return $r();
|
|
}
|
|
}',
|
|
],
|
|
'nullableReturnTypeShorthand' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
/** @param callable(mixed):?A $a */
|
|
function foo(callable $a): void {}',
|
|
],
|
|
'callablesCanBeObjects' => [
|
|
'code' => '<?php
|
|
function foo(callable $c) : void {
|
|
if (is_object($c)) {
|
|
$c();
|
|
}
|
|
}',
|
|
],
|
|
'objectsCanBeCallable' => [
|
|
'code' => '<?php
|
|
function foo(object $c) : void {
|
|
if (is_callable($c)) {
|
|
$c();
|
|
}
|
|
}',
|
|
],
|
|
'unionCanBeCallable' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
class B {
|
|
public function __invoke() : string {
|
|
return "hello";
|
|
}
|
|
}
|
|
/**
|
|
* @param A|B $c
|
|
*/
|
|
function foo($c) : void {
|
|
if (is_callable($c)) {
|
|
$c();
|
|
}
|
|
}',
|
|
],
|
|
'goodCallableArgs' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(string,string):int $_p
|
|
*/
|
|
function f(callable $_p): void {}
|
|
|
|
class C {
|
|
public static function m(string $a, string $b): int { return $a <=> $b; }
|
|
}
|
|
|
|
f("strcmp");
|
|
f([new C, "m"]);
|
|
f([C::class, "m"]);',
|
|
],
|
|
'callableWithSpaces' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(string, string) : int $p
|
|
*/
|
|
function f(callable $p): void {}',
|
|
],
|
|
'fileExistsCallable' => [
|
|
'code' => '<?php
|
|
/** @return string[] */
|
|
function foo(string $prospective_file_path) : array {
|
|
return array_filter(
|
|
glob($prospective_file_path),
|
|
"file_exists"
|
|
);
|
|
}',
|
|
],
|
|
'callableSelfArg' => [
|
|
'code' => '<?php
|
|
class C extends B {}
|
|
|
|
$b = new B();
|
|
$c = new C();
|
|
|
|
$b->func2(function(B $x): void {});
|
|
$c->func2(function(B $x): void {});
|
|
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
|
|
* @param callable(self) $f
|
|
*/
|
|
function func2(callable $f): void {
|
|
$f($this);
|
|
}
|
|
}',
|
|
],
|
|
'callableParentArg' => [
|
|
'code' => '<?php
|
|
class C extends B {}
|
|
|
|
$b = new B();
|
|
$c = new C();
|
|
|
|
$b->func3(function(A $x): void {});
|
|
$c->func3(function(A $x): void {});
|
|
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
|
|
* @param callable(parent) $f
|
|
*/
|
|
function func3(callable $f): void {
|
|
$f($this);
|
|
}
|
|
}',
|
|
],
|
|
'callableStaticArg' => [
|
|
'code' => '<?php
|
|
class C extends B {}
|
|
|
|
$b = new B();
|
|
$c = new C();
|
|
|
|
$b->func1(function(B $x): void {});
|
|
$c->func1(function(C $x): void {});
|
|
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
|
|
* @param callable(static) $f
|
|
*/
|
|
function func1(callable $f): void {
|
|
$f($this);
|
|
}
|
|
}',
|
|
],
|
|
'callableStaticReturn' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
|
|
* @param callable():static $f
|
|
*/
|
|
function func1(callable $f): void {}
|
|
}
|
|
|
|
final class C extends B {}
|
|
|
|
$c = new C();
|
|
|
|
$c->func1(function(): C { return new C(); });',
|
|
],
|
|
'callableSelfReturn' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
|
|
* @param callable():self $f
|
|
*/
|
|
function func2(callable $f): void {}
|
|
}
|
|
|
|
final class C extends B {}
|
|
|
|
$b = new B();
|
|
$c = new C();
|
|
|
|
$b->func2(function() { return new B(); });
|
|
$c->func2(function() { return new C(); });',
|
|
],
|
|
'callableParentReturn' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
|
|
* @param callable():parent $f
|
|
*/
|
|
function func3(callable $f): void {}
|
|
}
|
|
|
|
$b = new B();
|
|
|
|
$b->func3(function() { return new A(); });',
|
|
],
|
|
'selfArrayMapCallableWrongClass' => [
|
|
'code' => '<?php
|
|
class Foo {
|
|
public function __construct(int $param) {}
|
|
|
|
public static function foo(int $param): Foo {
|
|
return new self($param);
|
|
}
|
|
public static function baz(int $param): self {
|
|
return new self($param);
|
|
}
|
|
}
|
|
|
|
class Bar {
|
|
/**
|
|
* @return array<int, Foo>
|
|
*/
|
|
public function bar() {
|
|
return array_map([Foo::class, "foo"], [1,2,3]);
|
|
}
|
|
/** @return array<int, Foo> */
|
|
public function bat() {
|
|
return array_map([Foo::class, "baz"], [1]);
|
|
}
|
|
}',
|
|
],
|
|
'dynamicCallableArray' => [
|
|
'code' => '<?php
|
|
class A {
|
|
/** @var string */
|
|
private $value = "default";
|
|
|
|
private function modify(string $name, string $value): void {
|
|
call_user_func([$this, "modify" . $name], $value);
|
|
}
|
|
|
|
public function modifyFoo(string $value): void {
|
|
$this->value = $value;
|
|
}
|
|
}',
|
|
],
|
|
'callableIsArrayAssertion' => [
|
|
'code' => '<?php
|
|
function foo(callable $c) : void {
|
|
if (is_array($c)) {
|
|
echo $c[1];
|
|
}
|
|
}',
|
|
],
|
|
'callableOrArrayIsArrayAssertion' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable|array $c
|
|
*/
|
|
function foo($c) : void {
|
|
if (is_array($c) && isset($c[1]) && is_string($c[1])) {
|
|
echo $c[1];
|
|
}
|
|
}',
|
|
],
|
|
'dontInferMethodIdWhenFormatDoesntFit' => [
|
|
'code' => '<?php
|
|
/** @param string|callable $p */
|
|
function f($p): array {
|
|
return [];
|
|
}
|
|
f("#b::a");'
|
|
],
|
|
'removeCallableAssertionAfterReassignment' => [
|
|
'code' => '<?php
|
|
function foo(string $key) : void {
|
|
$setter = "a" . $key;
|
|
if (is_callable($setter)) {
|
|
return;
|
|
}
|
|
$setter = "b" . $key;
|
|
if (is_callable($setter)) {}
|
|
}'
|
|
],
|
|
'noExceptionOnSelfString' => [
|
|
'code' => '<?php
|
|
class Fish {
|
|
public static function example(array $vals): void {
|
|
usort($vals, ["self", "compare"]);
|
|
}
|
|
|
|
/**
|
|
* @param mixed $a
|
|
* @param mixed $b
|
|
*/
|
|
public static function compare($a, $b): int {
|
|
return -1;
|
|
}
|
|
}',
|
|
],
|
|
'noFatalErrorOnClassWithSlash' => [
|
|
'code' => '<?php
|
|
class Func {
|
|
public function __construct(string $name, callable $callable) {}
|
|
}
|
|
|
|
class Foo {
|
|
public static function bar(): string { return "asd"; }
|
|
}
|
|
|
|
new Func("f", ["\Foo", "bar"]);',
|
|
],
|
|
'staticReturningCallable' => [
|
|
'code' => '<?php
|
|
abstract class Id
|
|
{
|
|
/**
|
|
* @var string
|
|
*/
|
|
private $id;
|
|
|
|
final protected function __construct(string $id)
|
|
{
|
|
$this->id = $id;
|
|
}
|
|
|
|
/**
|
|
* @return static
|
|
*/
|
|
final public static function fromString(string $id): self
|
|
{
|
|
return new static($id);
|
|
}
|
|
}
|
|
|
|
final class CriterionId extends Id
|
|
{
|
|
}
|
|
|
|
final class CriterionIds
|
|
{
|
|
/**
|
|
* @psalm-var non-empty-list<CriterionId>
|
|
*/
|
|
private $ids;
|
|
|
|
/**
|
|
* @psalm-param non-empty-list<CriterionId> $ids
|
|
*/
|
|
private function __construct(array $ids)
|
|
{
|
|
$this->ids = $ids;
|
|
}
|
|
|
|
/**
|
|
* @psalm-param non-empty-list<string> $ids
|
|
*/
|
|
public static function fromStrings(array $ids): self
|
|
{
|
|
return new self(array_map([CriterionId::class, "fromString"], $ids));
|
|
}
|
|
}'
|
|
],
|
|
'offsetOnCallable' => [
|
|
'code' => '<?php
|
|
function c(callable $c) : void {
|
|
if (is_array($c)) {
|
|
new ReflectionClass($c[0]);
|
|
}
|
|
}'
|
|
],
|
|
'destructureCallableArray' => [
|
|
'code' => '<?php
|
|
function getCallable(): callable {
|
|
return [DateTimeImmutable::class, "createFromFormat"];
|
|
}
|
|
|
|
$callable = getCallable();
|
|
|
|
if (!is_array($callable)) {
|
|
exit;
|
|
}
|
|
|
|
[$classOrObject, $method] = $callable;',
|
|
'assertions' => [
|
|
'$classOrObject' => 'class-string|object',
|
|
'$method' => 'string'
|
|
]
|
|
],
|
|
'callableInterface' => [
|
|
'code' => '<?php
|
|
interface CallableInterface{
|
|
public function __invoke(): bool;
|
|
}
|
|
|
|
function takesInvokableInterface(CallableInterface $c): void{
|
|
takesCallable($c);
|
|
}
|
|
|
|
function takesCallable(callable $c): void {
|
|
$c();
|
|
}'
|
|
],
|
|
'notCallableArrayNoUndefinedClass' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-param array|callable $_fields
|
|
*/
|
|
function f($_fields): void {}
|
|
|
|
f(["instance_date" => "ASC", "start_time" => "ASC"]);'
|
|
],
|
|
'callOnInvokableOrCallable' => [
|
|
'code' => '<?php
|
|
interface Callback {
|
|
public function __invoke(): void;
|
|
}
|
|
|
|
/** @var Callback|callable */
|
|
$test = function (): void {};
|
|
|
|
$test();'
|
|
],
|
|
'resolveTraitClosureReturn' => [
|
|
'code' => '<?php
|
|
class B {
|
|
/**
|
|
* @psalm-param callable(mixed...):static $i
|
|
*/
|
|
function takesACall(callable $i) : void {}
|
|
|
|
public function call() : void {
|
|
$this->takesACall(function() {return $this;});
|
|
}
|
|
}'
|
|
],
|
|
'returnClosureReturningStatic' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-consistent-constructor
|
|
*/
|
|
class C {
|
|
/**
|
|
* @return Closure():static
|
|
*/
|
|
public static function foo() {
|
|
return function() {
|
|
return new static();
|
|
};
|
|
}
|
|
}',
|
|
],
|
|
'returnsVoidAcceptableForNullable' => [
|
|
'code' => '<?php
|
|
/** @param callable():?bool $c */
|
|
function takesCallable(callable $c) : void {}
|
|
|
|
takesCallable(function() { return; });',
|
|
],
|
|
'byRefUsesAlwaysMixed' => [
|
|
'code' => '<?php
|
|
$callback = function() use (&$isCalled) : void {
|
|
$isCalled = true;
|
|
};
|
|
$isCalled = false;
|
|
$callback();
|
|
|
|
if ($isCalled === true) {}'
|
|
],
|
|
'notCallableListNoUndefinedClass' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param array|callable $arg
|
|
*/
|
|
function foo($arg): void {}
|
|
|
|
foo(["a", "b"]);'
|
|
],
|
|
'abstractInvokeInTrait' => [
|
|
'code' => '<?php
|
|
function testFunc(callable $func) : void {}
|
|
|
|
trait TestTrait {
|
|
abstract public function __invoke() : void;
|
|
|
|
public function apply() : void {
|
|
testFunc($this);
|
|
}
|
|
}
|
|
|
|
abstract class TestClass {
|
|
use TestTrait;
|
|
}'
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'undefinedCallableClass' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public function getFoo(): Foo
|
|
{
|
|
return new Foo([]);
|
|
}
|
|
|
|
/**
|
|
* @param mixed $argOne
|
|
* @param mixed $argTwo
|
|
* @return void
|
|
*/
|
|
public function bar($argOne, $argTwo)
|
|
{
|
|
$this->getFoo()($argOne, $argTwo);
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidFunctionCall',
|
|
'ignored_issues' => ['UndefinedClass', 'MixedInferredReturnType'],
|
|
],
|
|
'undefinedCallableMethodFullString' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo("A::barr");',
|
|
'error_message' => 'UndefinedMethod',
|
|
],
|
|
'undefinedCallableMethodClassConcat' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo(A::class . "::barr");',
|
|
'error_message' => 'UndefinedMethod',
|
|
],
|
|
'undefinedCallableMethodArray' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo([A::class, "::barr"]);',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'undefinedCallableMethodArrayWithoutClass' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo(["A", "::barr"]);',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'undefinedCallableMethodClass' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public static function bar(string $a): string {
|
|
return $a . "b";
|
|
}
|
|
}
|
|
|
|
function foo(callable $c): void {}
|
|
|
|
foo("B::bar");',
|
|
'error_message' => 'UndefinedClass',
|
|
],
|
|
'undefinedCallableFunction' => [
|
|
'code' => '<?php
|
|
function foo(callable $c): void {}
|
|
|
|
foo("trime");',
|
|
'error_message' => 'UndefinedFunction',
|
|
],
|
|
'stringFunctionCall' => [
|
|
'code' => '<?php
|
|
$bad_one = "hello";
|
|
$a = $bad_one(1);',
|
|
'error_message' => 'MixedAssignment',
|
|
],
|
|
'wrongCallableReturnType' => [
|
|
'code' => '<?php
|
|
$add_one = function(int $a): int {
|
|
return $a + 1;
|
|
};
|
|
|
|
/**
|
|
* @param callable(int) : int $c
|
|
*/
|
|
function bar(callable $c) : string {
|
|
return $c(1);
|
|
}
|
|
|
|
bar($add_one);',
|
|
'error_message' => 'InvalidReturnStatement',
|
|
],
|
|
'checkCallableTypeString' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(int,int):int $_p
|
|
*/
|
|
function f(callable $_p): void {}
|
|
|
|
f("strcmp");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
'checkCallableTypeArrayInstanceFirstArg' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(int,int):int $_p
|
|
*/
|
|
function f(callable $_p): void {}
|
|
|
|
class C {
|
|
public static function m(string $a, string $b): int { return $a <=> $b; }
|
|
}
|
|
|
|
f([new C, "m"]);',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
'checkCallableTypeArrayClassStringFirstArg' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(int,int):int $_p
|
|
*/
|
|
function f(callable $_p): void {}
|
|
|
|
class C {
|
|
public static function m(string $a, string $b): int { return $a <=> $b; }
|
|
}
|
|
|
|
f([C::class, "m"]);',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
'callableWithSpaceAfterColonBadVarArg' => [
|
|
'code' => '<?php
|
|
class C {
|
|
/**
|
|
* @var callable(string, string): bool $p
|
|
*/
|
|
public $p;
|
|
|
|
public function __construct() {
|
|
$this->p = function (string $s, string $t): stdClass {
|
|
return new stdClass;
|
|
};
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidPropertyAssignmentValue',
|
|
],
|
|
'callableWithSpaceBeforeColonBadVarArg' => [
|
|
'code' => '<?php
|
|
class C {
|
|
/**
|
|
* @var callable(string, string) :bool $p
|
|
*/
|
|
public $p;
|
|
|
|
public function __construct() {
|
|
$this->p = function (string $s, string $t): stdClass {
|
|
return new stdClass;
|
|
};
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidPropertyAssignmentValue',
|
|
],
|
|
'callableWithSpacesEitherSideOfColonBadVarArg' => [
|
|
'code' => '<?php
|
|
class C {
|
|
/**
|
|
* @var callable(string, string) : bool $p
|
|
*/
|
|
public $p;
|
|
|
|
public function __construct() {
|
|
$this->p = function (string $s, string $t): stdClass {
|
|
return new stdClass;
|
|
};
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidPropertyAssignmentValue',
|
|
],
|
|
'badArrayMapArrayCallable' => [
|
|
'code' => '<?php
|
|
class one { public function two(string $_p): void {} }
|
|
array_map(["two", "three"], ["one", "two"]);',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'noFatalErrorOnMissingClassWithSlash' => [
|
|
'code' => '<?php
|
|
class Func {
|
|
public function __construct(string $name, callable $callable) {}
|
|
}
|
|
|
|
new Func("f", ["\Foo", "bar"]);',
|
|
'error_message' => 'InvalidArgument'
|
|
],
|
|
'noFatalErrorOnMissingClassWithoutSlash' => [
|
|
'code' => '<?php
|
|
class Func {
|
|
public function __construct(string $name, callable $callable) {}
|
|
}
|
|
|
|
new Func("f", ["Foo", "bar"]);',
|
|
'error_message' => 'InvalidArgument'
|
|
],
|
|
'preventStringDocblockType' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param string $mapper
|
|
*/
|
|
function map2(callable $mapper): void {}
|
|
|
|
map2("foo");',
|
|
'error_message' => 'MismatchingDocblockParamType',
|
|
],
|
|
'moreSpecificCallable' => [
|
|
'code' => '<?php
|
|
/** @param callable(string):void $c */
|
|
function takesSpecificCallable(callable $c) : void {
|
|
$c("foo");
|
|
}
|
|
|
|
function takesCallable(callable $c) : void {
|
|
takesSpecificCallable($c);
|
|
}',
|
|
'error_message' => 'MixedArgumentTypeCoercion'
|
|
],
|
|
'undefinedVarInBareCallable' => [
|
|
'code' => '<?php
|
|
$fn = function(int $a): void{};
|
|
function a(callable $fn): void{
|
|
$fn(++$a);
|
|
}
|
|
a($fn);',
|
|
'error_message' => 'UndefinedVariable',
|
|
],
|
|
'dontQualifyStringCallables' => [
|
|
'code' => '<?php
|
|
namespace NS;
|
|
|
|
function ff() : void {}
|
|
|
|
function run(callable $f) : void {
|
|
$f();
|
|
}
|
|
|
|
run("ff");',
|
|
'error_message' => 'UndefinedFunction',
|
|
],
|
|
'badCustomFunction' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable(int):bool $func
|
|
*/
|
|
function takesFunction(callable $func) : void {}
|
|
|
|
function myFunction( string $foo ) : bool {
|
|
return false;
|
|
}
|
|
|
|
takesFunction("myFunction");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
'emptyCallable' => [
|
|
'code' => '<?php
|
|
$a = "";
|
|
$a();',
|
|
'error_message' => 'InvalidFunctionCall',
|
|
],
|
|
'ImpureFunctionCall' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-template T
|
|
*
|
|
* @psalm-param array<int, T> $values
|
|
* @psalm-param (callable(T): numeric) $num_func
|
|
*
|
|
* @psalm-return null|T
|
|
*
|
|
* @psalm-pure
|
|
*/
|
|
function max_by(array $values, callable $num_func)
|
|
{
|
|
$max = null;
|
|
$max_num = null;
|
|
foreach ($values as $value) {
|
|
$value_num = $num_func($value);
|
|
if (null === $max_num || $value_num >= $max_num) {
|
|
$max = $value;
|
|
$max_num = $value_num;
|
|
}
|
|
}
|
|
|
|
return $max;
|
|
}
|
|
|
|
$c = max_by([1, 2, 3], static function(int $a): int {
|
|
return $a + mt_rand(0, $a);
|
|
});
|
|
|
|
echo $c;
|
|
',
|
|
'error_message' => 'ImpureFunctionCall',
|
|
'ignored_issues' => [],
|
|
],
|
|
'constructCallableFromClassStringArray' => [
|
|
'code' => '<?php
|
|
interface Foo {
|
|
public function bar() : int;
|
|
}
|
|
|
|
/**
|
|
* @param callable():string $c
|
|
*/
|
|
function takesCallableReturningString(callable $c) : void {
|
|
$c();
|
|
}
|
|
|
|
/**
|
|
* @param class-string<Foo> $c
|
|
*/
|
|
function foo(string $c) : void {
|
|
takesCallableReturningString([$c, "bar"]);
|
|
}',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'inexistantCallableinCallableString' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param callable-string $c
|
|
*/
|
|
function c(string $c): void {
|
|
$c();
|
|
}
|
|
|
|
c("hii");',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'mismatchParamTypeFromDocblock' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @template A
|
|
*/
|
|
final class ArrayList
|
|
{
|
|
/**
|
|
* @template B
|
|
* @param Closure(A): B $effect
|
|
* @return ArrayList<B>
|
|
*/
|
|
public function map(Closure $effect): ArrayList
|
|
{
|
|
throw new RuntimeException("???");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template T
|
|
* @template B
|
|
*
|
|
* @param ArrayList<T> $list
|
|
* @return ArrayList<array{T}>
|
|
*/
|
|
function genericContext(ArrayList $list): ArrayList
|
|
{
|
|
return $list->map(
|
|
/** @param B $_a */
|
|
function ($_a) {
|
|
return [$_a];
|
|
}
|
|
);
|
|
}',
|
|
'error_message' => 'InvalidArgument',
|
|
]
|
|
];
|
|
}
|
|
}
|