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SquareBraceTransformerTest.php
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SquareBraceTransformerTest.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\Tokenizer\Transformer;
use PhpCsFixer\Tests\Test\AbstractTransformerTestCase;
use PhpCsFixer\Tokenizer\CT;
use PhpCsFixer\Tokenizer\Tokens;
use PhpCsFixer\Tokenizer\Transformer\SquareBraceTransformer;
/**
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* @internal
*
* @covers \PhpCsFixer\Tokenizer\Transformer\SquareBraceTransformer
*/
final class SquareBraceTransformerTest extends AbstractTransformerTestCase
{
/**
* @param int[] $inspectIndexes
*
* @dataProvider provideIsShortArrayCases
*/
public function testIsShortArray(string $source, array $inspectIndexes, bool $expected): void
{
$transformer = new SquareBraceTransformer();
$reflection = new \ReflectionObject($transformer);
$method = $reflection->getMethod('isShortArray');
$method->setAccessible(true);
$tokens = Tokens::fromCode($source);
foreach ($inspectIndexes as $index) {
static::assertTrue($tokens->offsetExists($index), sprintf('Index %d does not exist.', $index));
}
foreach ($tokens as $index => $token) {
if (\in_array($index, $inspectIndexes, true)) {
static::assertSame('[', $tokens[$index]->getContent(), sprintf('Token @ index %d must have content \']\'', $index));
$exp = $expected;
} elseif ('[' === $tokens[$index]->getContent()) {
$exp = !$expected;
} else {
continue;
}
static::assertSame(
$expected,
$method->invoke($transformer, $tokens, $index),
sprintf('Excepted token "%s" @ index %d %sto be detected as short array.', $tokens[$index]->toJson(), $index, $exp ? '' : 'not ')
);
}
}
public function provideIsShortArrayCases(): array
{
return [
['<?php $a=[];', [3], false],
['<?php [$a] = [$b];', [7], false],
['<?php [$a] = $b;', [1], false],
['<?php [$a] = [$b] = [$b];', [1], false],
['<?php function A(){}[$a] = [$b] = [$b];', [8], false],
['<?php [$foo, $bar] = [$baz, $bat] = [$a, $b];', [10], false],
['<?php [[$a, $b], [$c, $d]] = [[1, 2], [3, 4]];', [1], false],
['<?php ["a" => $a, "b" => $b, "c" => $c] = $array;', [1], false],
['<?php [$a, $b,, [$c, $d]] = $a;', [1, 9], false],
];
}
/**
* @dataProvider provideProcessCases
*/
public function testProcess(string $source, array $expectedTokens = []): void
{
$this->doTest(
$source,
$expectedTokens,
[
CT::T_ARRAY_SQUARE_BRACE_OPEN,
CT::T_ARRAY_SQUARE_BRACE_CLOSE,
CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
]
);
}
public function provideProcessCases(): array
{
return [
'Array offset only.' => [
'<?php $a = array(); $a[] = 0; $a[1] = 2;',
],
'Short array construction.' => [
'<?php $b = [1, 2, 3];',
[
5 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
13 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php function foo(array $c = [ ]) {}',
[
11 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
13 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [];',
[
1 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
2 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [1, "foo"];',
[
1 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
6 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [[]];',
[
1 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
2 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
3 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
4 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php ["foo", ["bar", "baz"]];',
[
1 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
5 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
10 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
11 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php (array) [1, 2];',
[
3 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
8 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [1,2][$x];',
[
1 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
5 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php $a[] = []?>',
[
7 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
8 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php $b = [1];',
[
5 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
7 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php $c[] = 2?>',
],
[
'<?php $d[3] = 4;',
],
[
'<?php $e = [];',
[
5 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
6 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php array();',
],
[
'<?php $x[] = 1;',
],
[
'<?php $x[1];',
],
[
'<?php $x [ 1 ];',
],
[
'<?php ${"x"}[1];',
],
[
'<?php FOO[1];',
],
[
'<?php array("foo")[1];',
],
[
'<?php foo()[1];',
],
[
'<?php "foo"[1];//[]',
],
[
'<?php
class Test
{
public function updateAttributeKey($key, $value)
{
$this->{camel_case($attributes)}[$key] = $value;
}
}',
],
[
'<?php [$a, $b, $c] = [1, 2, 3];',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
9 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
13 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
21 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php ["a" => $a, "b" => $b, "c" => $c] = $array;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
21 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [$e] = $d; if ($a){}[$a, $b] = b();',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
3 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
17 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
22 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php $a = [$x] = [$y] = [$z] = [];', // this sample makes no sense, however is in valid syntax
[
5 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
7 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
11 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
13 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
17 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
19 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
23 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
24 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [$$a, $b] = $array;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
7 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [$a, $b,, [$c, $d]] = $a;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
9 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
14 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
15 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
'nested I' => [
'<?php [$a[]] = $b;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
5 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
'nested II (with array offset)' => [
'<?php [$a[1]] = $b;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
6 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
'nested III' => [
'<?php [$a[1], [$b], $c[2]] = $d;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
8 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
10 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
17 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [[[$a]/**/], $b[1], [/**/[$c]] /** */ ] = $d[1][2][3];',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
2 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
3 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
5 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
7 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
16 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
18 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
20 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
21 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
25 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php foreach ($z as [$a, $b]) {}',
[
8 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
13 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php foreach ($a as $key => [$x, $y]) {}',
[
12 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
17 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [$key => [$x, $y]];',
[
1 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
6 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
11 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
12 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php array($key => [$x, $y]);',
[
7 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
12 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [$key => [$x, $y] = foo()];',
[
1 => CT::T_ARRAY_SQUARE_BRACE_OPEN,
6 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
11 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
18 => CT::T_ARRAY_SQUARE_BRACE_CLOSE,
],
],
];
}
/**
* @param array<int, int> $expectedTokens
*
* @dataProvider provideProcess72Cases
*/
public function testProcess72(string $source, array $expectedTokens): void
{
$this->doTest(
$source,
$expectedTokens,
[
CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
]
);
}
public function provideProcess72Cases(): array
{
return [
[
'<?php [&$a, $b] = $a;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
7 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [$a, &$b] = $a;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
7 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [&$a, &$b] = $a;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
8 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
[
'<?php [[ [&$a, &$b], [&$c] ], [&$d/* */]] = $e;',
[
1 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
2 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
4 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
11 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
14 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
17 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
19 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
22 => CT::T_DESTRUCTURING_SQUARE_BRACE_OPEN,
26 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
27 => CT::T_DESTRUCTURING_SQUARE_BRACE_CLOSE,
],
],
];
}
}