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NullableTypeDeclarationForDefaultNullValueFixerTest.php
543 lines (460 loc) · 17.2 KB
/
NullableTypeDeclarationForDefaultNullValueFixerTest.php
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<?php
declare(strict_types=1);
/*
* This file is part of PHP CS Fixer.
*
* (c) Fabien Potencier <fabien@symfony.com>
* Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace PhpCsFixer\Tests\Fixer\FunctionNotation;
use PhpCsFixer\Tests\Test\AbstractFixerTestCase;
use PhpCsFixer\Tests\Test\TestCaseUtils;
/**
* @author HypeMC
*
* @internal
*
* @covers \PhpCsFixer\Fixer\FunctionNotation\NullableTypeDeclarationForDefaultNullValueFixer
*/
final class NullableTypeDeclarationForDefaultNullValueFixerTest extends AbstractFixerTestCase
{
/**
* @dataProvider provideDoNotFixCases
*/
public function testDoNotFix(string $expected): void
{
$this->doTest($expected);
}
public function provideDoNotFixCases(): \Generator
{
yield ['<?php function foo($param = null) {}'];
yield ['<?php function foo($param1 = null, $param2 = null) {}'];
yield ['<?php function foo(&$param = null) {}'];
yield ['<?php function foo(& $param = null) {}'];
yield ['<?php function foo(/**int*/ $param = null) {}'];
yield ['<?php function foo(/**int*/ &$param = null) {}'];
yield ['<?php $foo = function ($param = null) {};'];
yield ['<?php $foo = function (&$param = null) {};'];
yield ['<?php function foo(?string $param = null) {}'];
yield ['<?php function foo(?string $param= null) {}'];
yield ['<?php function foo(?string $param =null) {}'];
yield ['<?php function foo(?string $param=null) {}'];
yield ['<?php function foo(?string $param1 = null, ?string $param2 = null) {}'];
yield ['<?php function foo(?string &$param = null) {}'];
yield ['<?php function foo(?string & $param = null) {}'];
yield ['<?php function foo(?string /*comment*/$param = null) {}'];
yield ['<?php function foo(?string /*comment*/&$param = null) {}'];
yield ['<?php function foo(? string $param = null) {}'];
yield ['<?php function foo(?/*comment*/string $param = null) {}'];
yield ['<?php function foo(? /*comment*/ string $param = null) {}'];
yield ['<?php $foo = function (?string $param = null) {};'];
yield ['<?php $foo = function (?string &$param = null) {};'];
yield ['<?php function foo(?Baz $param = null) {}'];
yield ['<?php function foo(?\Baz $param = null) {}'];
yield ['<?php function foo(?Bar\Baz $param = null) {}'];
yield ['<?php function foo(?\Bar\Baz $param = null) {}'];
yield ['<?php function foo(?Baz &$param = null) {}'];
yield ['<?php function foo(?\Baz &$param = null) {}'];
yield ['<?php function foo(?Bar\Baz &$param = null) {}'];
yield ['<?php function foo(?\Bar\Baz &$param = null) {}'];
yield ['<?php function foo(?Baz & $param = null) {}'];
yield ['<?php function foo(?\Baz & $param = null) {}'];
yield ['<?php function foo(?Bar\Baz & $param = null) {}'];
yield ['<?php function foo(?\Bar\Baz & $param = null) {}'];
yield ['<?php function foo(?array &$param = null) {}'];
yield ['<?php function foo(?array & $param = null) {}'];
yield ['<?php function foo(?callable &$param = null) {}'];
yield ['<?php function foo(?callable & $param = null) {}'];
yield ['<?php $foo = function (?Baz $param = null) {};'];
yield ['<?php $foo = function (?Baz &$param = null) {};'];
yield ['<?php $foo = function (?Baz & $param = null) {};'];
yield ['<?php class Test { public function foo(?Bar\Baz $param = null) {} }'];
yield ['<?php class Test { public function foo(?self $param = null) {} }'];
yield ['<?php function foo(...$param) {}'];
yield ['<?php function foo(array ...$param) {}'];
yield ['<?php function foo(?array ...$param) {}'];
yield ['<?php function foo(mixed $param = null) {}'];
}
/**
* @dataProvider provideFixCases
* @dataProvider provideNonInverseOnlyFixCases
*/
public function testFix(string $expected, string $input): void
{
$this->doTest($expected, $input);
}
/**
* @dataProvider provideInvertedFixCases
* @dataProvider provideInverseOnlyFixCases
*/
public function testFixInverse(string $expected, string $input): void
{
$this->fixer->configure(['use_nullable_type_declaration' => false]);
$this->doTest($expected, $input);
}
public function provideFixCases(): \Generator
{
yield [
'<?php function foo(?string $param = null) {}',
'<?php function foo(string $param = null) {}',
];
yield [
'<?php function foo(?string $param= null) {}',
'<?php function foo(string $param= null) {}',
];
yield [
'<?php function foo(?string $param =null) {}',
'<?php function foo(string $param =null) {}',
];
yield [
'<?php function foo(?string $param=null) {}',
'<?php function foo(string $param=null) {}',
];
yield [
'<?php function foo(?string $param1 = null, ?string $param2 = null) {}',
'<?php function foo(string $param1 = null, string $param2 = null) {}',
];
yield [
'<?php function foo(?string &$param = null) {}',
'<?php function foo(string &$param = null) {}',
];
yield [
'<?php function foo(?string & $param = null) {}',
'<?php function foo(string & $param = null) {}',
];
yield [
'<?php function foo(?string /*comment*/$param = null) {}',
'<?php function foo(string /*comment*/$param = null) {}',
];
yield [
'<?php function foo(?string /*comment*/&$param = null) {}',
'<?php function foo(string /*comment*/&$param = null) {}',
];
yield [
'<?php $foo = function (?string $param = null) {};',
'<?php $foo = function (string $param = null) {};',
];
yield [
'<?php $foo = function (?string &$param = null) {};',
'<?php $foo = function (string &$param = null) {};',
];
yield [
'<?php function foo(?Baz $param = null) {}',
'<?php function foo(Baz $param = null) {}',
];
yield [
'<?php function foo(?\Baz $param = null) {}',
'<?php function foo(\Baz $param = null) {}',
];
yield [
'<?php function foo(?Bar\Baz $param = null) {}',
'<?php function foo(Bar\Baz $param = null) {}',
];
yield [
'<?php function foo(?\Bar\Baz $param = null) {}',
'<?php function foo(\Bar\Baz $param = null) {}',
];
yield [
'<?php function foo(?Baz &$param = null) {}',
'<?php function foo(Baz &$param = null) {}',
];
yield [
'<?php function foo(?\Baz &$param = null) {}',
'<?php function foo(\Baz &$param = null) {}',
];
yield [
'<?php function foo(?Bar\Baz &$param = null) {}',
'<?php function foo(Bar\Baz &$param = null) {}',
];
yield [
'<?php function foo(?\Bar\Baz &$param = null) {}',
'<?php function foo(\Bar\Baz &$param = null) {}',
];
yield [
'<?php function foo(?Baz & $param = null) {}',
'<?php function foo(Baz & $param = null) {}',
];
yield [
'<?php function foo(?\Baz & $param = null) {}',
'<?php function foo(\Baz & $param = null) {}',
];
yield [
'<?php function foo(?Bar\Baz & $param = null) {}',
'<?php function foo(Bar\Baz & $param = null) {}',
];
yield [
'<?php function foo(?\Bar\Baz & $param = null) {}',
'<?php function foo(\Bar\Baz & $param = null) {}',
];
yield [
'<?php function foo(?array &$param = null) {}',
'<?php function foo(array &$param = null) {}',
];
yield [
'<?php function foo(?array & $param = null) {}',
'<?php function foo(array & $param = null) {}',
];
yield [
'<?php function foo(?callable $param = null) {}',
'<?php function foo(callable $param = null) {}',
];
yield [
'<?php $foo = function (?Baz $param = null) {};',
'<?php $foo = function (Baz $param = null) {};',
];
yield [
'<?php $foo = function (?Baz &$param = null) {};',
'<?php $foo = function (Baz &$param = null) {};',
];
yield [
'<?php $foo = function (?Baz & $param = null) {};',
'<?php $foo = function (Baz & $param = null) {};',
];
yield [
'<?php class Test { public function foo(?Bar\Baz $param = null) {} }',
'<?php class Test { public function foo(Bar\Baz $param = null) {} }',
];
yield [
'<?php class Test { public function foo(?self $param = null) {} }',
'<?php class Test { public function foo(self $param = null) {} }',
];
yield [
'<?php function foo(?iterable $param = null) {}',
'<?php function foo(iterable $param = null) {}',
];
yield [
'<?php $foo = function(?array $a = null,
?array $b = null, ?array $c = null, ?array
$d = null) {};',
'<?php $foo = function(array $a = null,
array $b = null, array $c = null, array
$d = null) {};',
];
yield [
'<?php function foo(?string $param = NULL) {}',
'<?php function foo(string $param = NULL) {}',
];
}
public function provideInvertedFixCases(): \Generator
{
return TestCaseUtils::swapExpectedInputTestCases($this->provideFixCases());
}
public function provideNonInverseOnlyFixCases(): \Generator
{
yield [
'<?php function foo( ?string $param = null) {}',
'<?php function foo( string $param = null) {}',
];
yield [
'<?php function foo(/*comment*/?string $param = null) {}',
'<?php function foo(/*comment*/string $param = null) {}',
];
yield [
'<?php function foo( /*comment*/ ?string $param = null) {}',
'<?php function foo( /*comment*/ string $param = null) {}',
];
}
public function provideInverseOnlyFixCases(): \Generator
{
yield [
'<?php function foo(string $param = null) {}',
'<?php function foo(? string $param = null) {}',
];
yield [
'<?php function foo(/*comment*/string $param = null) {}',
'<?php function foo(?/*comment*/string $param = null) {}',
];
yield [
'<?php function foo(/*comment*/ string $param = null) {}',
'<?php function foo(? /*comment*/ string $param = null) {}',
];
}
/**
* @dataProvider provideFixPhp74Cases
* @requires PHP 7.4
*/
public function testFixPhp74(string $expected, string $input): void
{
$this->doTest($expected, $input);
}
/**
* @dataProvider provideInvertedFixPhp74Cases
* @requires PHP 7.4
*/
public function testFixInversePhp74(string $expected, string $input): void
{
$this->fixer->configure(['use_nullable_type_declaration' => false]);
$this->doTest($expected, $input);
}
public function provideFixPhp74Cases(): \Generator
{
yield [
'<?php $foo = fn (?string $param = null) => null;',
'<?php $foo = fn (string $param = null) => null;',
];
yield [
'<?php $foo = fn (?string &$param = null) => null;',
'<?php $foo = fn (string &$param = null) => null;',
];
yield [
'<?php $foo = fn (?Baz $param = null) => null;',
'<?php $foo = fn (Baz $param = null) => null;',
];
yield [
'<?php $foo = fn (?Baz &$param = null) => null;',
'<?php $foo = fn (Baz &$param = null) => null;',
];
yield [
'<?php $foo = fn (?Baz & $param = null) => null;',
'<?php $foo = fn (Baz & $param = null) => null;',
];
yield [
'<?php $foo = fn(?array $a = null,
?array $b = null, ?array $c = null, ?array
$d = null) => null;',
'<?php $foo = fn(array $a = null,
array $b = null, array $c = null, array
$d = null) => null;',
];
}
public function provideInvertedFixPhp74Cases(): iterable
{
return TestCaseUtils::swapExpectedInputTestCases($this->provideFixPhp74Cases());
}
/**
* @dataProvider provideFix80Cases
* @requires PHP 8.0
*/
public function testFix80(string $expected, ?string $input = null): void
{
$this->doTest($expected, $input);
}
/**
* @dataProvider provideInvertedFix80Cases
* @requires PHP 8.0
*/
public function testFixInverse80(string $expected, ?string $input = null): void
{
$this->fixer->configure(['use_nullable_type_declaration' => false]);
$this->doTest($expected, $input);
}
public function provideFix80Cases(): \Generator
{
yield 'trailing comma' => [
'<?php function foo(?string $param = null,) {}',
'<?php function foo(string $param = null,) {}',
];
yield 'property promotion' => [
'<?php class Foo {
public function __construct(
public ?string $paramA = null,
protected ?string $paramB = null,
private ?string $paramC = null,
?string $paramD = null,
$a = []
) {}
}',
'<?php class Foo {
public function __construct(
public ?string $paramA = null,
protected ?string $paramB = null,
private ?string $paramC = null,
string $paramD = null,
$a = []
) {}
}',
];
yield 'don\'t change union types' => [
'<?php class Foo {
public function __construct(private int | null $bar = null, $baz = 1) {}
public function aaa(int | string $bar = null, $baz = 1) {}
public function bbb(int | null $bar = null, $baz = 1) {}
}',
];
yield 'attribute' => [
'<?php function foo(#[AnAttribute] ?string $param = null) {}',
'<?php function foo(#[AnAttribute] string $param = null) {}',
];
yield 'attributes' => [
'<?php function foo(
#[AnAttribute] ?string $a = null,
#[AnAttribute] ?string $b = null,
#[AnAttribute] ?string $c = null
) {}',
'<?php function foo(
#[AnAttribute] string $a = null,
#[AnAttribute] string $b = null,
#[AnAttribute] string $c = null
) {}',
];
}
public function provideInvertedFix80Cases(): iterable
{
return TestCaseUtils::swapExpectedInputTestCases($this->provideFix80Cases());
}
/**
* @requires PHP <8.0
*
* @dataProvider provideFixPre81Cases
*/
public function testFixPre81(string $expected, ?string $input = null, array $configuration = null): void
{
if (null !== $configuration) {
$this->fixer->configure($configuration);
}
$this->doTest($expected, $input);
}
public function provideFixPre81Cases(): \Generator
{
yield 'do not fix pre PHP 8.1' => [
'<?php
function foo1(&/*comment*/$param = null) {}
function foo2(?string &/*comment*/$param2 = null) {}
',
];
$cases = [
'<?php function foo(?string &/* comment */$param = null) {}',
'<?php function foo(string &/* comment */$param = null) {}',
];
yield [$cases[0], $cases[1]];
yield [$cases[1], $cases[0], ['use_nullable_type_declaration' => false]];
}
/**
* @dataProvider provideFix81Cases
* @requires PHP 8.1
*/
public function testFix81(string $expected, ?array $config): void
{
if (null !== $config) {
$this->fixer->configure($config);
}
$this->doTest($expected);
}
public function provideFix81Cases(): iterable
{
yield [
'<?php
class Foo
{
public function __construct(
protected readonly ?bool $nullable = null,
) {}
}
',
null,
];
yield [
'<?php
class Foo {
public function __construct(
public readonly ?string $readonlyString = null,
readonly public ?int $readonlyInt = null,
) {}
}',
['use_nullable_type_declaration' => false],
];
}
}