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psalm/tests/Template/ClassStringMapTest.php

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<?php
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declare(strict_types=1);
namespace Psalm\Tests\Template;
use Psalm\Tests\TestCase;
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use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
class ClassStringMapTest extends TestCase
{
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use ValidCodeAnalysisTestTrait;
use InvalidCodeAnalysisTestTrait;
public function providerValidCodeParse(): iterable
{
return [
'basicClassStringMap' => [
'code' => '<?php
namespace Bar;
/**
* @psalm-consistent-constructor
*/
class Foo {}
class A {
/** @var class-string-map<T as Foo, T> */
public static array $map = [];
/**
* @template T as Foo
* @param class-string<T> $class
* @return T
*/
public function get(string $class) : Foo {
if (isset(self::$map[$class])) {
return self::$map[$class];
}
self::$map[$class] = new $class();
return self::$map[$class];
}
}',
],
'basicClassStringMapDifferentTemplateName' => [
'code' => '<?php
namespace Bar;
/**
* @psalm-consistent-constructor
*/
class Foo {}
class A {
/** @var class-string-map<T as Foo, T> */
public static array $map = [];
/**
* @template U as Foo
* @param class-string<U> $class
* @return U
*/
public function get(string $class) : Foo {
if (isset(self::$map[$class])) {
return self::$map[$class];
}
self::$map[$class] = new $class();
return self::$map[$class];
}
}',
],
'noCrashWithSplatMap' => [
'code' => '<?php
class A {}
/** @param array<array-key, mixed> $args */
function takesVariadic(...$args): void {
}
/** @param class-string-map<A, A> $arr */
function foo(array $arr) : void {
takesVariadic(...$arr);
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}',
],
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'assignClassStringMapInConstruct' => [
'code' => '<?php
class A {
/** @var class-string-map<T,T> */
private array $map;
/** @param class-string-map<T,T> $map */
public function __construct(array $map) {
$this->map = $map;
}
}',
],
'assignClassStringMapInMethod' => [
'code' => '<?php
class A {
/** @var class-string-map<T,T> */
private array $map = [];
/** @param class-string-map<T,T> $map */
public function set(array $map): void {
$this->map = $map;
}
}',
],
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'simpleSetter' => [
'code' => '<?php
class Container {
/** @var class-string-map<T, T> */
public array $map = [];
/**
* @template U of object
* @param class-string<U> $key
* @param U $obj
*/
public function set(string $key, object $obj): void {
$this->map[$key] = $obj;
}
}'
,
],
];
}
public function providerInvalidCodeParse(): iterable
{
return [
'assignInvalidClass' => [
'code' => '<?php
namespace Bar;
class A {
/** @var class-string-map<T, T> */
public static array $map = [];
/**
* @template T
* @param class-string<T> $class
*/
public function get(string $class) : void {
self::$map[$class] = 5;
}
}',
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'error_message' => 'InvalidPropertyAssignmentValue',
],
'assignInvalidClassDifferentTemplateName' => [
'code' => '<?php
namespace Bar;
class A {
/** @var class-string-map<T, T> */
public static array $map = [];
/**
* @template U
* @param class-string<U> $class
*/
public function get(string $class) : void {
self::$map[$class] = 5;
}
}',
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'error_message' => 'InvalidPropertyAssignmentValue',
],
];
}
}