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mirror of https://github.com/danog/psalm.git synced 2024-11-26 12:24:49 +01:00
psalm/tests/TypeAnnotationTest.php

539 lines
17 KiB
PHP

<?php
namespace Psalm\Tests;
class TypeAnnotationTest extends TestCase
{
use Traits\InvalidCodeAnalysisTestTrait;
use Traits\ValidCodeAnalysisTestTrait;
/**
* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
*/
public function providerValidCodeParse(): iterable
{
return [
'typeAliasBeforeClass' => [
'<?php
namespace Barrr;
/**
* @psalm-type CoolType = A|B|null
*/
class A {}
class B {}
/** @return CoolType */
function foo() {
if (rand(0, 1)) {
return new A();
}
if (rand(0, 1)) {
return new B();
}
return null;
}
/** @param CoolType $a **/
function bar ($a) : void { }
bar(foo());',
],
'typeAliasBeforeFunction' => [
'<?php
namespace Barrr;
/**
* @psalm-type A_OR_B = A|B
* @psalm-type CoolType = A_OR_B|null
* @return CoolType
*/
function foo() {
if (rand(0, 1)) {
return new A();
}
if (rand(0, 1)) {
return new B();
}
return null;
}
class A {}
class B {}
/** @param CoolType $a **/
function bar ($a) : void { }
bar(foo());',
],
'typeAliasInSeparateBlockBeforeFunction' => [
'<?php
namespace Barrr;
/**
* @psalm-type CoolType = A|B|null
*/
/**
* @return CoolType
*/
function foo() {
if (rand(0, 1)) {
return new A();
}
if (rand(0, 1)) {
return new B();
}
return null;
}
class A {}
class B {}
/** @param CoolType $a **/
function bar ($a) : void { }
bar(foo());',
],
'almostFreeStandingTypeAlias' => [
'<?php
/**
* @psalm-type CoolType = A|B|null
*/
// this breaks up the line
class A {}
class B {}
/** @return CoolType */
function foo() {
if (rand(0, 1)) {
return new A();
}
if (rand(0, 1)) {
return new B();
}
return null;
}
/** @param CoolType $a **/
function bar ($a) : void { }
bar(foo());',
],
'typeAliasUsedTwice' => [
'<?php
namespace Baz;
/** @psalm-type TA = array<int, string> */
class Bar {
public function foo() : void {
$bar =
/** @return TA */
function() {
return ["hello"];
};
/** @var array<int, TA> */
$bat = [$bar(), $bar()];
foreach ($bat as $b) {
echo $b[0];
}
}
}
/**
* @psalm-type _A=array{elt:int}
* @param _A $p
* @return _A
*/
function f($p) {
/** @var _A */
$r = $p;
return $r;
}',
],
'classTypeAliasSimple' => [
'<?php
namespace Bar;
/** @psalm-type PhoneType = array{phone: string} */
class Phone {
/** @psalm-return PhoneType */
public function toArray(): array {
return ["phone" => "Nokia"];
}
}
/** @psalm-type NameType = array{name: string} */
class Name {
/** @psalm-return NameType */
function toArray(): array {
return ["name" => "Matt"];
}
}
/**
* @psalm-import-type PhoneType from Phone as PhoneType2
* @psalm-import-type NameType from Name as NameType2
*
* @psalm-type UserType = PhoneType2&NameType2
*/
class User {
/** @psalm-return UserType */
function toArray(): array {
return array_merge(
(new Name)->toArray(),
(new Phone)->toArray()
);
}
}'
],
'classTypeAliasImportWithAlias' => [
'<?php
namespace Bar;
/** @psalm-type PhoneType = array{phone: string} */
class Phone {
/** @psalm-return PhoneType */
public function toArray(): array {
return ["phone" => "Nokia"];
}
}
/**
* @psalm-import-type PhoneType from Phone as TPhone
*/
class User {
/** @psalm-return TPhone */
function toArray(): array {
return array_merge([], (new Phone)->toArray());
}
}'
],
'classTypeAliasDirectUsage' => [
'<?php
namespace Bar;
/** @psalm-type PhoneType = array{phone: string} */
class Phone {
/** @psalm-return PhoneType */
public function toArray(): array {
return ["phone" => "Nokia"];
}
}
/**
* @psalm-import-type PhoneType from Phone
*/
class User {
/** @psalm-return PhoneType */
function toArray(): array {
return array_merge([], (new Phone)->toArray());
}
}'
],
'classTypeAliasFromExternalNamespace' => [
'<?php
namespace Foo {
/** @psalm-type PhoneType = array{phone: string} */
class Phone {
/** @psalm-return PhoneType */
public function toArray(): array {
return ["phone" => "Nokia"];
}
}
}
namespace Bar {
/**
* @psalm-import-type PhoneType from \Foo\Phone
*/
class User {
/** @psalm-return PhoneType */
function toArray(): array {
return (new \Foo\Phone)->toArray();
}
}
}'
],
'importTypeForParam' => [
'<?php
namespace Bar;
/**
* @psalm-type Type = self::NULL|self::BOOL|self::INT|self::STRING
*/
interface I
{
public const NULL = 0;
public const BOOL = 1;
public const INT = 2;
public const STRING = 3;
/**
* @psalm-param Type $type
*/
public function a(int $type): void;
}
/**
* @psalm-import-type Type from I as Type2
*/
abstract class C implements I
{
public function a(int $type): void
{
$this->b($type);
}
/**
* @psalm-param Type2 $type
*/
private function b(int $type): void
{
}
}'
],
'usedInVarForForeach' => [
'<?php
/** @psalm-type _B=array{p1:string} */
function e(array $a): void
{
/** @var _B $elt */
foreach ($a as $elt) {
echo $elt["p1"];
}
}'
],
'objectWithPropertiesAlias' => [
'<?php
/**
* @psalm-type FooStruct=string
*/
class A {}
/**
* @psalm-import-type FooStruct from A as F2
*/
class B {
/**
* @param object{foo: F2} $a
* @return object{foo: string}
*/
public function bar($a) {
return $a;
}
}'
],
];
}
/**
* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
*/
public function providerInvalidCodeParse(): iterable
{
return [
'invalidTypeAlias' => [
'<?php
namespace Barrr;
/**
* @psalm-type CoolType = A|B>
*/
class A {}',
'error_message' => 'InvalidDocblock',
],
'typeAliasInTKeyedArray' => [
'<?php
namespace Barrr;
/**
* @psalm-type aType null|"a"|"b"|"c"|"d"
*/
/** @psalm-return array{0:bool,1:aType} */
function f(): array {
return [(bool)rand(0,1), rand(0,1) ? "z" : null];
}',
'error_message' => 'InvalidReturnStatement',
],
'classTypeAliasInvalidReturn' => [
'<?php
namespace Barrr;
/** @psalm-type PhoneType = array{phone: string} */
class Phone {
/** @psalm-return PhoneType */
public function toArray(): array {
return ["phone" => "Nokia"];
}
}
/** @psalm-type NameType = array{name: string} */
class Name {
/** @psalm-return NameType */
function toArray(): array {
return ["name" => "Matt"];
}
}
/**
* @psalm-import-type PhoneType from Phone as PhoneType2
* @psalm-import-type NameType from Name as NameType2
*
* @psalm-type UserType = PhoneType2&NameType2
*/
class User {
/** @psalm-return UserType */
function toArray(): array {
return array_merge(
(new Name)->toArray(),
["foo" => "bar"]
);
}
}',
'error_message' => 'InvalidReturnStatement',
],
'classTypeInvalidAliasImport' => [
'<?php
namespace Barrr;
class Phone {
function toArray(): array {
return ["name" => "Matt"];
}
}
/**
* @psalm-import-type PhoneType from Phone
*/
class User {}',
'error_message' => 'InvalidTypeImport',
],
'classTypeAliasFromInvalidClass' => [
'<?php
namespace Barrr;
/**
* @psalm-import-type PhoneType from Phone
*/
class User {}',
'error_message' => 'UndefinedDocblockClass',
],
'malformedImportMissingFrom' => [
'<?php
namespace Barrr;
/** @psalm-import-type Thing */
class C {}
',
'error_message' => 'InvalidTypeImport',
],
'malformedImportMissingSourceClass' => [
'<?php
namespace Barrr;
/** @psalm-import-type Thing from */
class C {}
',
'error_message' => 'InvalidTypeImport',
],
'malformedImportMisspelledFrom' => [
'<?php
namespace Barrr;
/** @psalm-import-type Thing morf */
class C {}
',
'error_message' => 'InvalidTypeImport',
],
'malformedImportMissingAlias' => [
'<?php
namespace Barrr;
/** @psalm-import-type Thing from Somewhere as */
class C {}
',
'error_message' => 'InvalidTypeImport',
],
'noCrashWithPriorReference' => [
'<?php
namespace Barrr;
/**
* @psalm-type _C=array{c:_CC}
* @psalm-type _CC=float
*/
class A {
/**
* @param _C $arr
*/
public function foo(array $arr) : void {}
}',
'error_message' => 'UndefinedDocblockClass',
],
'mergeImportedTypes' => [
'<?php
namespace A\B;
/**
* @psalm-type _A=array{
* id:int
* }
*
* @psalm-type _B=array{
* id:int,
* something:int
* }
*/
class Types
{
}
namespace A;
/**
* @psalm-import-type _A from \A\B\Types as _AA
* @psalm-import-type _B from \A\B\Types as _BB
*/
class Id
{
/**
* @psalm-param _AA|_BB $_item
*/
public function ff(array $_item): int
{
return $_item["something"];
}
}',
'error_message' => 'PossiblyUndefinedArrayOffset',
],
'noCrashWithSelfReferencingType' => [
'<?php
/**
* @psalm-type SomeType = array{
* parent?: SomeType,
* foo?: int,
* }
* @psalm-param SomeType $input
*/
function test(array $input):void {}',
'error_message' => 'InvalidDocblock',
],
];
}
}