mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 04:45:20 +01:00
723 lines
24 KiB
PHP
723 lines
24 KiB
PHP
<?php
|
|
|
|
namespace Psalm\Tests;
|
|
|
|
use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
|
|
use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
|
|
|
|
class ArgTest extends TestCase
|
|
{
|
|
use InvalidCodeAnalysisTestTrait;
|
|
use ValidCodeAnalysisTestTrait;
|
|
|
|
/**
|
|
* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
|
|
*/
|
|
public function providerValidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'argumentUnpackingLiteral' => [
|
|
'<?php
|
|
function add(int $a, int $b, int $c) : int {
|
|
return $a + $b + $c;
|
|
}
|
|
|
|
echo add(1, ...[2, 3]);',
|
|
],
|
|
'arrayPushArgumentUnpackingWithGoodArg' => [
|
|
'<?php
|
|
$a = ["foo"];
|
|
$b = ["foo", "bar"];
|
|
|
|
array_push($a, ...$b);',
|
|
'assertions' => [
|
|
'$a' => 'non-empty-list<string>',
|
|
],
|
|
],
|
|
'arrayMergeArgumentUnpacking' => [
|
|
'<?php
|
|
$a = [[1, 2]];
|
|
$b = array_merge([], ...$a);',
|
|
'assertions' => [
|
|
'$b' => 'array{0: int, 1: int}',
|
|
],
|
|
],
|
|
'preserveTypesWhenUnpacking' => [
|
|
'<?php
|
|
/**
|
|
* @return array<int,array<int,string>>
|
|
*/
|
|
function getData(): array
|
|
{
|
|
return [
|
|
["a", "b"],
|
|
["c", "d"]
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return array<int,string>
|
|
*/
|
|
function f1(): array
|
|
{
|
|
$data = getData();
|
|
return array_merge($data[0], $data[1]);
|
|
}
|
|
|
|
/**
|
|
* @return array<int,string>
|
|
*/
|
|
function f2(): array
|
|
{
|
|
$data = getData();
|
|
return array_merge(...$data);
|
|
}
|
|
|
|
/**
|
|
* @return array<int,string>
|
|
*/
|
|
function f3(): array
|
|
{
|
|
$data = getData();
|
|
return array_merge([], ...$data);
|
|
}',
|
|
],
|
|
'unpackArg' => [
|
|
'<?php
|
|
function Foo(string $a, string ...$b) : void {}
|
|
|
|
/** @return array<array-key, string> */
|
|
function Baz(string ...$c) {
|
|
Foo(...$c);
|
|
return $c;
|
|
}',
|
|
],
|
|
'unpackByRefArg' => [
|
|
'<?php
|
|
function example (int &...$x): void {}
|
|
$y = 0;
|
|
example($y);
|
|
$z = [0];
|
|
example(...$z);',
|
|
'assertions' => [
|
|
'$y' => 'int',
|
|
'$z' => 'array<int, int>',
|
|
],
|
|
],
|
|
'callMapClassOptionalArg' => [
|
|
'<?php
|
|
class Hello {}
|
|
$m = new ReflectionMethod(Hello::class, "goodbye");
|
|
$m->invoke(null, "cool");',
|
|
],
|
|
'sortFunctions' => [
|
|
'<?php
|
|
$a = ["b" => 5, "a" => 8];
|
|
ksort($a);
|
|
$b = ["b" => 5, "a" => 8];
|
|
sort($b);
|
|
',
|
|
'assertions' => [
|
|
'$a' => 'array{a: int, b: int}',
|
|
'$b' => 'list<int>',
|
|
],
|
|
],
|
|
'arrayModificationFunctions' => [
|
|
'<?php
|
|
$a = ["b" => 5, "a" => 8];
|
|
array_unshift($a, (bool)rand(0, 1));
|
|
$b = ["b" => 5, "a" => 8];
|
|
array_push($b, (bool)rand(0, 1));
|
|
',
|
|
'assertions' => [
|
|
'$a' => 'non-empty-array<int|string, bool|int>',
|
|
'$b' => 'non-empty-array<int|string, bool|int>',
|
|
],
|
|
],
|
|
'byRefArgAssignment' => [
|
|
'<?php
|
|
$a = ["hello", "goodbye"];
|
|
shuffle($a);
|
|
$a = [0, 1];',
|
|
],
|
|
'correctOrderValidation' => [
|
|
'<?php
|
|
function getString(int $i) : string {
|
|
return rand(0, 1) ? "hello" : "";
|
|
}
|
|
|
|
function takesInt(int $i) : void {}
|
|
|
|
$i = rand(0, 10);
|
|
|
|
if (!($i = getString($i))) {}',
|
|
],
|
|
'allowNullInObjectUnion' => [
|
|
'<?php
|
|
/**
|
|
* @param string|null|object $b
|
|
*/
|
|
function foo($b) : void {}
|
|
foo(null);',
|
|
],
|
|
'allowArrayIntScalarForArrayStringWithScalarIgnored' => [
|
|
'<?php
|
|
/** @param array<int|string> $arr */
|
|
function foo(array $arr) : void {
|
|
}
|
|
|
|
/** @return array<int, scalar> */
|
|
function bar() : array {
|
|
return [];
|
|
}
|
|
|
|
/** @psalm-suppress InvalidScalarArgument */
|
|
foo(bar());',
|
|
],
|
|
'allowArrayScalarForArrayStringWithScalarIgnored' => [
|
|
'<?php declare(strict_types=1);
|
|
/** @param array<string> $arr */
|
|
function foo(array $arr) : void {}
|
|
|
|
/** @return array<int, scalar> */
|
|
function bar() : array {
|
|
return [];
|
|
}
|
|
|
|
/** @psalm-suppress InvalidScalarArgument */
|
|
foo(bar());',
|
|
],
|
|
'unpackObjectlikeListArgs' => [
|
|
'<?php
|
|
$a = [new DateTime(), 1];
|
|
function f(DateTime $d, int $a): void {}
|
|
f(...$a);',
|
|
],
|
|
'unpackWithoutAlteringArray' => [
|
|
'<?php
|
|
function takeVariadicInts(int ...$inputs): void {}
|
|
|
|
$a = [3, 5, 7];
|
|
takeVariadicInts(...$a);',
|
|
[
|
|
'$a' => 'non-empty-list<int>'
|
|
]
|
|
],
|
|
'iterableSplat' => [
|
|
'<?php
|
|
/** @param iterable<int, mixed> $args */
|
|
function foo(iterable $args): int {
|
|
return intval(...$args);
|
|
}
|
|
|
|
/** @param ArrayIterator<int, mixed> $args */
|
|
function bar(ArrayIterator $args): int {
|
|
return intval(...$args);
|
|
}',
|
|
],
|
|
'unpackListWithOptional' => [
|
|
'<?php
|
|
function foo(string ...$rest):void {}
|
|
|
|
$rest = ["zzz"];
|
|
|
|
if (rand(0,1)) {
|
|
$rest[] = "xxx";
|
|
}
|
|
|
|
foo("first", ...$rest);'
|
|
],
|
|
'useNamedArguments' => [
|
|
'<?php
|
|
class CustomerData {
|
|
public function __construct(
|
|
public string $name,
|
|
public string $email,
|
|
public int $age,
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{age: int, name: string, email: string} $input
|
|
*/
|
|
function foo(array $input) : CustomerData {
|
|
return new CustomerData(
|
|
age: $input["age"],
|
|
name: $input["name"],
|
|
email: $input["email"],
|
|
);
|
|
}'
|
|
],
|
|
'useNamedArgumentsSimple' => [
|
|
'<?php
|
|
function takesArguments(string $name, int $age) : void {}
|
|
|
|
takesArguments(name: "hello", age: 5);
|
|
takesArguments(age: 5, name: "hello");'
|
|
],
|
|
'useNamedArgumentsSpread' => [
|
|
'<?php
|
|
function takesArguments(string $name, int $age) : void {}
|
|
|
|
$args = ["name" => "hello", "age" => 5];
|
|
takesArguments(...$args);',
|
|
[],
|
|
[],
|
|
'8.0'
|
|
],
|
|
'useNamedVariadicArguments' => [
|
|
'<?php
|
|
function takesArguments(int ...$args) : void {}
|
|
|
|
takesArguments(age: 5);',
|
|
[],
|
|
[],
|
|
'8.0'
|
|
],
|
|
'useUnpackedNamedVariadicArguments' => [
|
|
'<?php
|
|
function takesArguments(int ...$args) : void {}
|
|
|
|
takesArguments(...["age" => 5]);',
|
|
[],
|
|
[],
|
|
'8.0'
|
|
],
|
|
'variadicArgsOptional' => [
|
|
'<?php
|
|
bar(...["aaaaa"]);
|
|
function bar(string $p1, int $p3 = 10) : void {}'
|
|
],
|
|
'mkdirNamedParameters' => [
|
|
'<?php declare(strict_types=1);
|
|
mkdir("/var/test/123", recursive: true);',
|
|
[],
|
|
[],
|
|
'8.0'
|
|
],
|
|
'variadicArgumentWithNoNamedArgumentsIsList' => [
|
|
'<?php
|
|
class A {
|
|
/**
|
|
* @no-named-arguments
|
|
* @psalm-return list<int>
|
|
*/
|
|
public function foo(int ...$values): array
|
|
{
|
|
return $values;
|
|
}
|
|
}
|
|
',
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,error_message:string,1?:string[],2?:bool,3?:string}>
|
|
*/
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'arrayPushArgumentUnpackingWithBadArg' => [
|
|
'<?php
|
|
$a = [];
|
|
$b = "hello";
|
|
|
|
$a[] = "foo";
|
|
|
|
array_push($a, ...$b);',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'possiblyInvalidArgument' => [
|
|
'<?php
|
|
$foo = [
|
|
"a",
|
|
["b"],
|
|
];
|
|
|
|
$a = array_map(
|
|
function (string $uuid): string {
|
|
return $uuid;
|
|
},
|
|
$foo[rand(0, 1)]
|
|
);',
|
|
'error_message' => 'PossiblyInvalidArgument',
|
|
],
|
|
'possiblyInvalidArgumentWithOverlap' => [
|
|
'<?php
|
|
class A {}
|
|
class B {}
|
|
class C {}
|
|
|
|
$foo = rand(0, 1) ? new A : new B;
|
|
|
|
/** @param B|C $b */
|
|
function bar($b) : void {}
|
|
|
|
bar($foo);',
|
|
'error_message' => 'PossiblyInvalidArgument',
|
|
],
|
|
'possiblyInvalidArgumentWithMixed' => [
|
|
'<?php declare(strict_types=1);
|
|
/**
|
|
* @psalm-suppress MissingParamType
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
function foo($a) : void {
|
|
if (rand(0, 1)) {
|
|
$a = 0;
|
|
}
|
|
|
|
echo strlen($a);
|
|
}',
|
|
'error_message' => 'PossiblyInvalidArgument',
|
|
],
|
|
'expectsNonNullAndPassedPossiblyNull' => [
|
|
'<?php
|
|
/**
|
|
* @param mixed|null $mixed_or_null
|
|
*/
|
|
function foo($mixed, $mixed_or_null): void {
|
|
/**
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
new Exception($mixed_or_null);
|
|
}',
|
|
'error_message' => 'PossiblyNullArgument'
|
|
],
|
|
'useInvalidNamedArgument' => [
|
|
'<?php
|
|
class CustomerData {
|
|
public function __construct(
|
|
public string $name,
|
|
public string $email,
|
|
public int $age,
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{age: int, name: string, email: string} $input
|
|
*/
|
|
function foo(array $input) : CustomerData {
|
|
return new CustomerData(
|
|
aage: $input["age"],
|
|
name: $input["name"],
|
|
email: $input["email"],
|
|
);
|
|
}',
|
|
'error_message' => 'InvalidNamedArgument'
|
|
],
|
|
'usePositionalArgAfterNamed' => [
|
|
'<?php
|
|
final class Person
|
|
{
|
|
public function __construct(
|
|
public string $name,
|
|
public int $age,
|
|
) { }
|
|
}
|
|
|
|
new Person(name: "", 0);',
|
|
'error_message' => 'InvalidNamedArgument'
|
|
],
|
|
'useUnpackedInvalidNamedArgument' => [
|
|
'<?php
|
|
class CustomerData {
|
|
public function __construct(
|
|
public string $name,
|
|
public string $email,
|
|
public int $age,
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{aage: int, name: string, email: string} $input
|
|
*/
|
|
function foo(array $input) : CustomerData {
|
|
return new CustomerData(...$input);
|
|
}',
|
|
'error_message' => 'InvalidNamedArgument',
|
|
[],
|
|
false,
|
|
'8.0'
|
|
],
|
|
'noNamedArgsMethod' => [
|
|
'<?php
|
|
class CustomerData
|
|
{
|
|
/** @no-named-arguments */
|
|
public function __construct(
|
|
public string $name,
|
|
public string $email,
|
|
public int $age,
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{age: int, name: string, email: string} $input
|
|
*/
|
|
function foo(array $input) : CustomerData {
|
|
return new CustomerData(
|
|
age: $input["age"],
|
|
name: $input["name"],
|
|
email: $input["email"],
|
|
);
|
|
}',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
],
|
|
'noNamedArgsFunction' => [
|
|
'<?php
|
|
/** @no-named-arguments */
|
|
function takesArguments(string $name, int $age) : void {}
|
|
|
|
takesArguments(age: 5, name: "hello");',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
],
|
|
'arrayWithoutAllNamedParameters' => [
|
|
'<?php
|
|
class User {
|
|
public function __construct(
|
|
public int $id,
|
|
public string $name,
|
|
public int $age
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{id: int, name: string} $data
|
|
*/
|
|
function processUserDataInvalid(array $data) : User {
|
|
return new User(...$data);
|
|
}',
|
|
'error_message' => 'MixedArgument',
|
|
[],
|
|
false,
|
|
'8.0'
|
|
],
|
|
'arrayWithoutAllNamedParametersSuppressMixed' => [
|
|
'<?php
|
|
class User {
|
|
public function __construct(
|
|
public int $id,
|
|
public string $name,
|
|
public int $age
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param array{id: int, name: string} $data
|
|
*/
|
|
function processUserDataInvalid(array $data) : User {
|
|
/** @psalm-suppress MixedArgument */
|
|
return new User(...$data);
|
|
}',
|
|
'error_message' => 'TooFewArguments',
|
|
[],
|
|
false,
|
|
'8.0'
|
|
],
|
|
'wrongTypeVariadicArguments' => [
|
|
'<?php
|
|
function takesArguments(int ...$args) : void {}
|
|
|
|
takesArguments(age: "abc");',
|
|
'error_message' => 'InvalidScalarArgument',
|
|
[],
|
|
false,
|
|
'8.0'
|
|
],
|
|
'byrefVarSetsPossible' => [
|
|
'<?php
|
|
/**
|
|
* @param mixed $a
|
|
* @psalm-param-out int $a
|
|
*/
|
|
function takesByRef(&$a) : void {
|
|
$a = 5;
|
|
}
|
|
|
|
if (rand(0, 1)) {
|
|
takesByRef($b);
|
|
}
|
|
|
|
echo $b;',
|
|
'error_message' => 'PossiblyUndefinedGlobalVariable',
|
|
],
|
|
'overwriteNamedParam' => [
|
|
'<?php
|
|
function test(int $param, int $param2): void {
|
|
echo $param + $param2;
|
|
}
|
|
|
|
test(param: 1, param: 2);',
|
|
'error_message' => 'InvalidNamedArgument',
|
|
[],
|
|
false,
|
|
'8.0'
|
|
],
|
|
'overwriteOrderedNamedParam' => [
|
|
'<?php
|
|
function test(int $param, int $param2): void {
|
|
echo $param + $param2;
|
|
}
|
|
|
|
test(1, param: 2);',
|
|
'error_message' => 'InvalidNamedArgument',
|
|
[],
|
|
false,
|
|
'8.0'
|
|
],
|
|
'overwriteOrderedWithUnpackedNamedParam' => [
|
|
'<?php
|
|
function test(int $param, int $param2): void {
|
|
echo $param + $param2;
|
|
}
|
|
|
|
test(1, ...["param" => 2]);',
|
|
'error_message' => 'InvalidNamedArgument',
|
|
[],
|
|
false,
|
|
'8.0'
|
|
],
|
|
'variadicArgumentIsNotList' => [
|
|
'<?php
|
|
/** @psalm-return list<int> */
|
|
function foo(int ...$values): array
|
|
{
|
|
return $values;
|
|
}
|
|
',
|
|
'error_message' => 'MixedReturnTypeCoercion',
|
|
],
|
|
'preventUnpackingPossiblyIterable' => [
|
|
'<?php
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
/** @var iterable<int, int>|object */
|
|
$test = [1, 2];
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'PossiblyInvalidArgument'
|
|
],
|
|
'SKIPPED-preventUnpackingPossiblyArray' => [
|
|
'<?php
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
/** @var array<int, int>|object */
|
|
$test = [1, 2];
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'PossiblyInvalidArgument'
|
|
],
|
|
'noNamedArguments' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-suppress UnusedParam
|
|
* @no-named-arguments
|
|
*/
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
foo(arg2: 0, arg1: 1);
|
|
',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
[],
|
|
false,
|
|
'8.0',
|
|
],
|
|
'noNamedArgumentsUnpackIterable' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-suppress UnusedParam
|
|
* @no-named-arguments
|
|
*/
|
|
function foo(int $arg1, int $arg2): void {}
|
|
|
|
/** @var iterable<string, int> */
|
|
$test = ["arg1" => 1, "arg2" => 2];
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
[],
|
|
false,
|
|
'8.0',
|
|
],
|
|
'variadicArgumentWithNoNamedArgumentsPreventsPassingArrayWithStringKey' => [
|
|
'<?php
|
|
/**
|
|
* @no-named-arguments
|
|
* @psalm-return list<int>
|
|
*/
|
|
function foo(int ...$values): array
|
|
{
|
|
return $values;
|
|
}
|
|
|
|
foo(...["a" => 0]);
|
|
',
|
|
'error_message' => 'NamedArgumentNotAllowed',
|
|
],
|
|
'unpackNonArrayKeyIterable' => [
|
|
'<?php
|
|
/** @psalm-suppress UnusedParam */
|
|
function foo(string ...$args): void {}
|
|
|
|
/** @var Iterator<float, string> */
|
|
$test = null;
|
|
foo(...$test);
|
|
',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'numericStringIsNotNonFalsy' => [
|
|
'<?php
|
|
/** @param non-falsy-string $arg */
|
|
function foo(string $arg): string
|
|
{
|
|
return $arg;
|
|
}
|
|
|
|
/** @return numeric-string */
|
|
function bar(): string
|
|
{
|
|
return "0";
|
|
}
|
|
|
|
foo(bar());
|
|
',
|
|
'error_message' => 'ArgumentTypeCoercion',
|
|
],
|
|
'objectIsNotObjectWithProperties' => [
|
|
'<?php
|
|
|
|
function makeObj(): object {
|
|
return (object)["a" => 42];
|
|
}
|
|
|
|
/** @param object{hmm:float} $_o */
|
|
function takesObject($_o): void {}
|
|
|
|
takesObject(makeObj()); // expected: ArgumentTypeCoercion
|
|
',
|
|
'error_message' => 'ArgumentTypeCoercion',
|
|
],
|
|
'MissingMandatoryParamWithNamedParams' => [
|
|
'<?php
|
|
class User
|
|
{
|
|
public function __construct(
|
|
protected string $name,
|
|
protected string $problematicOne,
|
|
protected string $id = "",
|
|
){}
|
|
}
|
|
|
|
new User(
|
|
name: "John",
|
|
id: "asd",
|
|
);
|
|
',
|
|
'error_message' => 'TooFewArguments',
|
|
],
|
|
];
|
|
}
|
|
}
|