mirror of
https://github.com/danog/psalm.git
synced 2024-11-26 12:24:49 +01:00
1225 lines
41 KiB
PHP
1225 lines
41 KiB
PHP
<?php
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namespace Psalm\Tests;
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class CallableTest extends TestCase
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{
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use Traits\InvalidCodeAnalysisTestTrait;
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use Traits\ValidCodeAnalysisTestTrait;
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/**
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* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
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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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'byRefUseVar' => [
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'<?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 $data;
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}
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f();',
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],
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'inferredArg' => [
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'<?php
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$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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'<?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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'error_levels' => [],
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'7.4',
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],
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'varReturnType' => [
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'<?php
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$add_one = function(int $a) : int {
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return $a + 1;
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};
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$a = $add_one(1);',
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'assertions' => [
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'$a' => 'int',
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],
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],
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'varReturnTypeArray' => [
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'<?php
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$add_one = fn(int $a) : int => $a + 1;
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$a = $add_one(1);',
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'assertions' => [
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'$a' => 'int',
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],
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'error_levels' => [],
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'7.4',
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],
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'varCallableParamReturnType' => [
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'<?php
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$add_one = function(int $a): int {
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return $a + 1;
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};
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/**
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* @param callable(int) : int $c
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*/
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function bar(callable $c) : int {
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return $c(1);
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}
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bar($add_one);',
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],
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'callableToClosure' => [
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'<?php
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/**
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* @return callable
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*/
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function foo() {
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return function(string $a): string {
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return $a . "blah";
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};
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}',
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],
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'callableToClosureArrow' => [
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'<?php
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/**
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* @return callable
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*/
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function foo() {
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return fn(string $a): string => $a . "blah";
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}',
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'assertions' => [],
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'error_levels' => [],
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'7.4',
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],
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'callable' => [
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'<?php
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function foo(callable $c): void {
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echo (string)$c();
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}',
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],
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'callableClass' => [
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'<?php
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class C {
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public function __invoke(): string {
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return "You ran?";
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}
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}
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function foo(callable $c): void {
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echo (string)$c();
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}
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foo(new C());
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$c2 = new C();
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$c2();',
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],
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'correctParamType' => [
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'<?php
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$take_string = function(string $s): string { return $s; };
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$take_string("string");',
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],
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'callableMethodStringCallable' => [
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'<?php
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class A {
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public static function bar(string $a): string {
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return $a . "b";
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}
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}
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function foo(callable $c): void {}
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foo("A::bar");
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foo(A::class . "::bar");',
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],
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'callableMethodArrayCallable' => [
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'<?php
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class A {
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public static function bar(string $a): string {
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return $a . "b";
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}
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}
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function foo(callable $c): void {}
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foo(["A", "bar"]);
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foo([A::class, "bar"]);
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$a = new A();
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foo([$a, "bar"]);',
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],
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'callableMethodArrayCallableMissingTypes' => [
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'<?php
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function foo(callable $c): void {}
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/** @psalm-suppress MissingParamType */
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function bar($a, $b) : void {
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foo([$a, $b]);
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}',
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],
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'arrayMapCallableMethod' => [
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'<?php
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class A {
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public static function bar(string $a): string {
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return $a . "b";
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}
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}
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function baz(string $a): string {
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return $a . "b";
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}
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$a = array_map("A::bar", ["one", "two"]);
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$b = array_map(["A", "bar"], ["one", "two"]);
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$c = array_map([A::class, "bar"], ["one", "two"]);
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$d = array_map([new A(), "bar"], ["one", "two"]);
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$a_instance = new A();
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$e = array_map([$a_instance, "bar"], ["one", "two"]);
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$f = array_map("baz", ["one", "two"]);',
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'assertions' => [
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'$a' => 'array{string, string}',
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'$b' => 'array{string, string}',
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'$c' => 'array{string, string}',
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'$d' => 'array{string, string}',
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'$e' => 'array{string, string}',
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'$f' => 'array{string, string}',
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],
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],
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'arrayCallableMethod' => [
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'<?php
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class A {
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public static function bar(string $a): string {
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return $a . "b";
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}
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}
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function foo(callable $c): void {}
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foo(["A", "bar"]);',
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],
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'callableFunction' => [
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'<?php
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function foo(callable $c): void {}
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foo("trim");',
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],
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'inlineCallableFunction' => [
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'<?php
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class A {
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function bar(): void {
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function foobar(int $a, int $b): int {
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return $a > $b ? 1 : 0;
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}
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$arr = [5, 4, 3, 1, 2];
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usort($arr, "fooBar");
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}
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}',
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],
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'closureSelf' => [
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'<?php
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class A
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{
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/**
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* @var self[]
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*/
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private $subitems;
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/**
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* @param self[] $in
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*/
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public function __construct(array $in = [])
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{
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array_map(function(self $i): self { return $i; }, $in);
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$this->subitems = array_map(
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function(self $i): self {
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return $i;
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},
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$in
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);
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}
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}
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new A([new A, new A]);',
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],
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'possiblyUndefinedFunction' => [
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'<?php
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/**
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* @param string|callable $middlewareOrPath
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*/
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function pipe($middlewareOrPath, ?callable $middleware = null): void { }
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pipe("zzzz", function() : void {});',
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],
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'callableWithNonInvokable' => [
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'<?php
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function asd(): void {}
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class B {}
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/**
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* @param callable|B $p
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*/
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function passes($p): void {}
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passes("asd");',
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],
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'callableWithInvokable' => [
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'<?php
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function asd(): void {}
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class A { public function __invoke(): void {} }
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/**
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* @param callable|A $p
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*/
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function fails($p): void {}
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fails("asd");',
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],
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'isCallableArray' => [
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'<?php
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class A
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{
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public function callMeMaybe(string $method): void
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{
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$handleMethod = [$this, $method];
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if (is_callable($handleMethod)) {
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$handleMethod();
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}
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}
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public function foo(): void {}
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}
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$a = new A();
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$a->callMeMaybe("foo");',
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],
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'isCallableString' => [
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'<?php
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function foo(): void {}
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function callMeMaybe(string $method): void {
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if (is_callable($method)) {
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$method();
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}
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}
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callMeMaybe("foo");',
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],
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'allowVoidCallable' => [
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'<?php
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/**
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* @param callable():void $p
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*/
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function doSomething($p): void {}
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doSomething(function(): bool { return false; });',
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],
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'callableProperties' => [
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'<?php
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class C {
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/** @psalm-var callable():bool */
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private $callable;
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/**
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* @psalm-param callable():bool $callable
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*/
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public function __construct(callable $callable) {
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$this->callable = $callable;
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}
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public function callTheCallableDirectly(): bool {
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return ($this->callable)();
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}
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public function callTheCallableIndirectly(): bool {
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$r = $this->callable;
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return $r();
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}
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}',
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],
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'invokableProperties' => [
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'<?php
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class A {
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public function __invoke(): bool { return true; }
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}
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class C {
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/** @var A $invokable */
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private $invokable;
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public function __construct(A $invokable) {
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$this->invokable = $invokable;
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}
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public function callTheInvokableDirectly(): bool {
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return ($this->invokable)();
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}
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public function callTheInvokableIndirectly(): bool {
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$r = $this->invokable;
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return $r();
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}
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}',
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],
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'nullableReturnTypeShorthand' => [
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'<?php
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class A {}
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/** @param callable(mixed):?A $a */
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function foo(callable $a): void {}',
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],
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'callablesCanBeObjects' => [
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'<?php
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function foo(callable $c) : void {
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if (is_object($c)) {
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$c();
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}
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}',
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],
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'objectsCanBeCallable' => [
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'<?php
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function foo(object $c) : void {
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if (is_callable($c)) {
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$c();
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}
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}',
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],
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'unionCanBeCallable' => [
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'<?php
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class A {}
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class B {
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public function __invoke() : string {
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return "hello";
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}
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}
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/**
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* @param A|B $c
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*/
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function foo($c) : void {
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if (is_callable($c)) {
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$c();
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}
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}',
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],
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'goodCallableArgs' => [
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'<?php
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/**
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* @param callable(string,string):int $_p
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*/
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function f(callable $_p): void {}
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class C {
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public static function m(string $a, string $b): int { return $a <=> $b; }
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}
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f("strcmp");
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f([new C, "m"]);
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f([C::class, "m"]);',
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],
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'callableWithSpaces' => [
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'<?php
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/**
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* @param callable(string, string) : int $p
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*/
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function f(callable $p): void {}',
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],
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'fileExistsCallable' => [
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'<?php
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/** @return string[] */
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function foo(string $prospective_file_path) : array {
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return array_filter(
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glob($prospective_file_path),
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"file_exists"
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);
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}',
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],
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'callableSelfArg' => [
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'<?php
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class C extends B {}
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$b = new B();
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$c = new C();
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$b->func2(function(B $x): void {});
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$c->func2(function(B $x): void {});
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class A {}
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class B extends A {
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/**
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* @param callable(self) $f
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*/
|
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function func2(callable $f): void {
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$f($this);
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}
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}',
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],
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'callableParentArg' => [
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'<?php
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class C extends B {}
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$b = new B();
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$c = new C();
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|
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$b->func3(function(A $x): void {});
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$c->func3(function(A $x): void {});
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|
|
class A {}
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|
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|
class B extends A {
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/**
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* @param callable(parent) $f
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*/
|
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function func3(callable $f): void {
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$f($this);
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}
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}',
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],
|
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'callableStaticArg' => [
|
|
'<?php
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class C extends B {}
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|
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$b = new B();
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$c = new C();
|
|
|
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$b->func1(function(B $x): void {});
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$c->func1(function(C $x): void {});
|
|
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
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* @param callable(static) $f
|
|
*/
|
|
function func1(callable $f): void {
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$f($this);
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}
|
|
}',
|
|
],
|
|
'callableStaticReturn' => [
|
|
'<?php
|
|
class A {}
|
|
|
|
class B extends A {
|
|
/**
|
|
* @param callable():static $f
|
|
*/
|
|
function func1(callable $f): void {}
|
|
}
|
|
|
|
final class C extends B {}
|
|
|
|
$c = new C();
|
|
|
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$c->func1(function(): C { return new C(); });',
|
|
],
|
|
'callableSelfReturn' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?php
|
|
function foo(callable $c) : void {
|
|
if (is_array($c)) {
|
|
echo $c[1];
|
|
}
|
|
}',
|
|
],
|
|
'callableOrArrayIsArrayAssertion' => [
|
|
'<?php
|
|
/**
|
|
* @param callable|array $c
|
|
*/
|
|
function foo($c) : void {
|
|
if (is_array($c) && isset($c[1]) && is_string($c[1])) {
|
|
echo $c[1];
|
|
}
|
|
}',
|
|
],
|
|
'dontInferMethodIdWhenFormatDoesntFit' => [
|
|
'<?php
|
|
/** @param string|callable $p */
|
|
function f($p): array {
|
|
return [];
|
|
}
|
|
f("#b::a");'
|
|
],
|
|
'removeCallableAssertionAfterReassignment' => [
|
|
'<?php
|
|
function foo(string $key) : void {
|
|
$setter = "a" . $key;
|
|
if (is_callable($setter)) {
|
|
return;
|
|
}
|
|
$setter = "b" . $key;
|
|
if (is_callable($setter)) {}
|
|
}'
|
|
],
|
|
'noExceptionOnSelfString' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?php
|
|
function c(callable $c) : void {
|
|
if (is_array($c)) {
|
|
new ReflectionClass($c[0]);
|
|
}
|
|
}'
|
|
],
|
|
'destructureCallableArray' => [
|
|
'<?php
|
|
function getCallable(): callable {
|
|
return [DateTimeImmutable::class, "createFromFormat"];
|
|
}
|
|
|
|
$callable = getCallable();
|
|
|
|
if (!is_array($callable)) {
|
|
exit;
|
|
}
|
|
|
|
[$classOrObject, $method] = $callable;',
|
|
[
|
|
'$classOrObject' => 'class-string|object',
|
|
'$method' => 'string'
|
|
]
|
|
],
|
|
'callableInterface' => [
|
|
'<?php
|
|
interface CallableInterface{
|
|
public function __invoke(): bool;
|
|
}
|
|
|
|
function takesInvokableInterface(CallableInterface $c): void{
|
|
takesCallable($c);
|
|
}
|
|
|
|
function takesCallable(callable $c): void {
|
|
$c();
|
|
}'
|
|
],
|
|
'notCallableArrayNoUndefinedClass' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-param array|callable $_fields
|
|
*/
|
|
function f($_fields): void {}
|
|
|
|
f(["instance_date" => "ASC", "start_time" => "ASC"]);'
|
|
],
|
|
'callOnInvokableOrCallable' => [
|
|
'<?php
|
|
interface Callback {
|
|
public function __invoke(): void;
|
|
}
|
|
|
|
/** @var Callback|callable */
|
|
$test = function (): void {};
|
|
|
|
$test();'
|
|
],
|
|
'resolveTraitClosureReturn' => [
|
|
'<?php
|
|
class B {
|
|
/**
|
|
* @psalm-param callable(mixed...):static $i
|
|
*/
|
|
function takesACall(callable $i) : void {}
|
|
|
|
public function call() : void {
|
|
$this->takesACall(function() {return $this;});
|
|
}
|
|
}'
|
|
],
|
|
'returnClosureReturningStatic' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-consistent-constructor
|
|
*/
|
|
class C {
|
|
/**
|
|
* @return Closure():static
|
|
*/
|
|
public static function foo() {
|
|
return function() {
|
|
return new static();
|
|
};
|
|
}
|
|
}',
|
|
],
|
|
'returnsVoidAcceptableForNullable' => [
|
|
'<?php
|
|
/** @param callable():?bool $c */
|
|
function takesCallable(callable $c) : void {}
|
|
|
|
takesCallable(function() { return; });',
|
|
],
|
|
'byRefUsesAlwaysMixed' => [
|
|
'<?php
|
|
$callback = function() use (&$isCalled) : void {
|
|
$isCalled = true;
|
|
};
|
|
$isCalled = false;
|
|
$callback();
|
|
|
|
if ($isCalled === true) {}'
|
|
],
|
|
'notCallableListNoUndefinedClass' => [
|
|
'<?php
|
|
/**
|
|
* @param array|callable $arg
|
|
*/
|
|
function foo($arg): void {}
|
|
|
|
foo(["a", "b"]);'
|
|
],
|
|
'abstractInvokeInTrait' => [
|
|
'<?php
|
|
function testFunc(callable $func) : void {}
|
|
|
|
trait TestTrait {
|
|
abstract public function __invoke() : void;
|
|
|
|
public function apply() : void {
|
|
testFunc($this);
|
|
}
|
|
}
|
|
|
|
abstract class TestClass {
|
|
use TestTrait;
|
|
}'
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
|
|
*/
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'undefinedCallableClass' => [
|
|
'<?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',
|
|
'error_levels' => ['UndefinedClass', 'MixedInferredReturnType'],
|
|
],
|
|
'undefinedCallableMethodFullString' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?php
|
|
function foo(callable $c): void {}
|
|
|
|
foo("trime");',
|
|
'error_message' => 'UndefinedFunction',
|
|
],
|
|
'stringFunctionCall' => [
|
|
'<?php
|
|
$bad_one = "hello";
|
|
$a = $bad_one(1);',
|
|
'error_message' => 'MixedAssignment',
|
|
],
|
|
'wrongCallableReturnType' => [
|
|
'<?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' => [
|
|
'<?php
|
|
/**
|
|
* @param callable(int,int):int $_p
|
|
*/
|
|
function f(callable $_p): void {}
|
|
|
|
f("strcmp");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
'checkCallableTypeArrayInstanceFirstArg' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?php
|
|
class one { public function two(string $_p): void {} }
|
|
array_map(["two", "three"], ["one", "two"]);',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'noFatalErrorOnMissingClassWithSlash' => [
|
|
'<?php
|
|
class Func {
|
|
public function __construct(string $name, callable $callable) {}
|
|
}
|
|
|
|
new Func("f", ["\Foo", "bar"]);',
|
|
'error_message' => 'InvalidArgument'
|
|
],
|
|
'noFatalErrorOnMissingClassWithoutSlash' => [
|
|
'<?php
|
|
class Func {
|
|
public function __construct(string $name, callable $callable) {}
|
|
}
|
|
|
|
new Func("f", ["Foo", "bar"]);',
|
|
'error_message' => 'InvalidArgument'
|
|
],
|
|
'preventStringDocblockType' => [
|
|
'<?php
|
|
/**
|
|
* @param string $mapper
|
|
*/
|
|
function map2(callable $mapper): void {}
|
|
|
|
map2("foo");',
|
|
'error_message' => 'MismatchingDocblockParamType',
|
|
],
|
|
'moreSpecificCallable' => [
|
|
'<?php
|
|
/** @param callable(string):void $c */
|
|
function takesSpecificCallable(callable $c) : void {
|
|
$c("foo");
|
|
}
|
|
|
|
function takesCallable(callable $c) : void {
|
|
takesSpecificCallable($c);
|
|
}',
|
|
'error_message' => 'MixedArgumentTypeCoercion'
|
|
],
|
|
'undefinedVarInBareCallable' => [
|
|
'<?php
|
|
$fn = function(int $a): void{};
|
|
function a(callable $fn): void{
|
|
$fn(++$a);
|
|
}
|
|
a($fn);',
|
|
'error_message' => 'UndefinedVariable',
|
|
],
|
|
'dontQualifyStringCallables' => [
|
|
'<?php
|
|
namespace NS;
|
|
|
|
function ff() : void {}
|
|
|
|
function run(callable $f) : void {
|
|
$f();
|
|
}
|
|
|
|
run("ff");',
|
|
'error_message' => 'UndefinedFunction',
|
|
],
|
|
'badCustomFunction' => [
|
|
'<?php
|
|
/**
|
|
* @param callable(int):bool $func
|
|
*/
|
|
function takesFunction(callable $func) : void {}
|
|
|
|
function myFunction( string $foo ) : bool {
|
|
return false;
|
|
}
|
|
|
|
takesFunction("myFunction");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
],
|
|
'emptyCallable' => [
|
|
'<?php
|
|
$a = "";
|
|
$a();',
|
|
'error_message' => 'InvalidFunctionCall',
|
|
],
|
|
'ImpureFunctionCall' => [
|
|
'<?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',
|
|
'error_levels' => [],
|
|
],
|
|
'constructCallableFromClassStringArray' => [
|
|
'<?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' => 'InvalidScalarArgument',
|
|
],
|
|
];
|
|
}
|
|
}
|