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ArrayColumnTest.php
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ArrayColumnTest.php
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<?php
namespace Psalm\Tests\ReturnTypeProvider;
use Psalm\Tests\TestCase;
use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
class ArrayColumnTest extends TestCase
{
use InvalidCodeAnalysisTestTrait;
use ValidCodeAnalysisTestTrait;
public function providerValidCodeParse(): iterable
{
yield 'arrayColumnObjectWithProperties' => [
'<?php
/**
* @param object{id: int} $o
* @return non-empty-list<int>
*/
function f(object $o): array {
return array_column([$o], "id");
}
',
];
yield 'arrayColumnWithPrivatePropertiesExternal' => [
'<?php
class C {
/** @var int */
private $id = 42;
}
$r = array_column([new C], "id");
',
// for inaccessible properties we cannot figure out neither type nor emptiness
// in practice, array_column() omits inaccessible elements
['$r' => 'list<mixed>'],
];
yield 'arrayColumnWithPrivatePropertiesInternal' => [
'<?php
class C {
/** @var int */
private $id = 42;
/** @return non-empty-list<int> */
public function f(): array {
return array_column([new self], "id");
}
}
',
];
yield 'arrayColumnWithShapes' => [
'<?php
/**
* @param array{id:int} $shape
* @return non-empty-list<int>
*/
function f(array $shape): array {
return array_column([$shape], "id");
}
',
];
yield 'arrayColumnWithObjectsAndColumnNameNull' => [
'<?php
class C {
/** @var string */
public $name = "";
public function foo(): void {}
}
foreach (array_column([new C, new C], null, "name") as $instance) {
$instance->foo();
}
',
];
yield 'arrayColumnWithIntersectionAndColumnNameNull' => [
'<?php
interface I {
public function foo(): void;
}
abstract class A {
/** @var string */
public $name = "";
abstract public function bar(): void;
}
class C extends A implements I {
public function foo(): void {}
public function bar(): void {}
}
/** @var (A&I)[] $instances */
$instances = [];
foreach (array_column($instances, null, "name") as $instance) {
$instance->foo();
$instance->bar();
}
',
];
yield 'arrayColumnWithArrayAndColumnNameNull' => [
'<?php
class C {
/** @var string */
public $name = "";
public function foo(): void {}
}
foreach (array_column([["name" => "", "instance" => new C]], null, "name") as $array) {
$array["instance"]->foo();
}
',
];
yield 'arrayColumnWithListOfObject' => [
'<?php
function foo(object $object): void {}
/** @var list<object> $instances */
$instances = [];
foreach (array_column($instances, null, "name") as $instance) {
foo($instance);
}
',
];
yield 'arrayColumnWithListOfArrays' => [
'<?php
function foo(array $array): void {}
/** @var list<array> $arrays */
$arrays = [];
foreach (array_column($arrays, null, "name") as $array) {
foo($array);
}
',
];
}
public function providerInvalidCodeParse(): iterable
{
yield 'arrayColumnWithArrayAndColumnNameNull' => [
'<?php
/** @var list<array{name: string, instance: object}> $arrays */
$arrays = [];
foreach (array_column($arrays, null, "name") as $array) {
$array["instance"]->foo();
}
',
'error_message' => 'MixedMethodCall',
];
}
}