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mirror of https://github.com/danog/psalm.git synced 2024-11-26 20:34:47 +01:00
psalm/tests/CoreStubsTest.php

451 lines
21 KiB
PHP

<?php
namespace Psalm\Tests;
use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
class CoreStubsTest extends TestCase
{
use ValidCodeAnalysisTestTrait;
use InvalidCodeAnalysisTestTrait;
public function providerValidCodeParse(): iterable
{
yield 'RecursiveArrayIterator::CHILD_ARRAYS_ONLY (#6464)' => [
'code' => '<?php
new RecursiveArrayIterator([], RecursiveArrayIterator::CHILD_ARRAYS_ONLY);',
];
yield 'proc_open() named arguments' => [
'code' => '<?php
proc_open(
command: "ls",
descriptor_spec: [],
pipes: $pipes,
cwd: null,
env_vars: null,
options: null
);',
'assertions' => [],
'ignored_issues' => [],
'php_version' => '8.0',
];
yield 'Iterating over \DatePeriod (#5954) PHP7 Traversable' => [
'code' => '<?php
$period = new DatePeriod(
new DateTimeImmutable("now"),
DateInterval::createFromDateString("1 day"),
new DateTime("+1 week")
);
$dt = null;
foreach ($period as $dt) {
echo $dt->format("Y-m-d");
}',
'assertions' => [
'$period' => 'DatePeriod<DateTimeImmutable>',
'$dt' => 'DateTimeInterface|null',
],
'ignored_issues' => [],
'php_version' => '7.3',
];
yield 'Iterating over \DatePeriod (#5954) PHP8 IteratorAggregate' => [
'code' => '<?php
$period = new DatePeriod(
new DateTimeImmutable("now"),
DateInterval::createFromDateString("1 day"),
new DateTime("+1 week")
);
$dt = null;
foreach ($period as $dt) {
echo $dt->format("Y-m-d");
}',
'assertions' => [
'$period' => 'DatePeriod<DateTimeImmutable>',
'$dt' => 'DateTimeImmutable|null',
],
'ignored_issues' => [],
'php_version' => '8.0',
];
yield 'Iterating over \DatePeriod (#5954), ISO string' => [
'code' => '<?php
$period = new DatePeriod("R4/2012-07-01T00:00:00Z/P7D");
$dt = null;
foreach ($period as $dt) {
echo $dt->format("Y-m-d");
}',
'assertions' => [
'$period' => 'DatePeriod<string>',
'$dt' => 'DateTime|null',
],
'ignored_issues' => [],
'php_version' => '8.0',
];
yield 'DatePeriod implements only Traversable on PHP 7' => [
'code' => '<?php
$period = new DatePeriod("R4/2012-07-01T00:00:00Z/P7D");
if ($period instanceof IteratorAggregate) {}',
'assertions' => [],
'ignored_issues' => [],
'php_version' => '7.3',
];
yield 'DatePeriod implements IteratorAggregate on PHP 8' => [
'code' => '<?php
$period = new DatePeriod("R4/2012-07-01T00:00:00Z/P7D");
if ($period instanceof IteratorAggregate) {}',
'assertions' => [],
'ignored_issues' => ['RedundantCondition'],
'php_version' => '8.0',
];
yield 'sprintf yields a non-empty-string for non-empty-string value' => [
'code' => '<?php
/**
* @param non-empty-string $foo
* @return non-empty-string
*/
function foo(string $foo): string
{
return sprintf("%s", $foo);
}
',
];
yield 'sprintf yields a string for possible empty string param' => [
'code' => '<?php
$a = sprintf("%s", "");
',
'assertions' => [
'$a===' => 'string',
],
];
yield 'json_encode returns a non-empty-string provided JSON_THROW_ON_ERROR | JSON_UNESCAPED_UNICODE' => [
'code' => '<?php
$a = json_encode([], JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR);
',
'assertions' => [
'$a===' => 'non-empty-string',
],
];
yield 'json_encode returns a non-empty-string with JSON_THROW_ON_ERROR' => [
'code' => '<?php
$a = json_encode([], JSON_THROW_ON_ERROR | JSON_HEX_TAG);
$b = json_encode([], JSON_THROW_ON_ERROR | JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP | JSON_UNESCAPED_UNICODE);
$c = json_encode([], JSON_THROW_ON_ERROR | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
$d = json_encode([], JSON_THROW_ON_ERROR | JSON_PRESERVE_ZERO_FRACTION);
$e = json_encode([], JSON_PRESERVE_ZERO_FRACTION);
$f = json_encode([], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
',
'assertions' => [
'$a===' => 'non-empty-string',
'$b===' => 'non-empty-string',
'$c===' => 'non-empty-string',
'$d===' => 'non-empty-string',
'$e===' => 'false|non-empty-string',
'$f===' => 'false|non-empty-string',
],
];
yield 'str_starts_with/str_ends_with/str_contains redundant condition detection' => [
'code' => '<?php
$a1 = str_starts_with(uniqid(), "");
/** @psalm-suppress InvalidLiteralArgument */
$b1 = str_starts_with("", "random string");
$c1 = str_starts_with(uniqid(), "random string");
$a2 = str_ends_with(uniqid(), "");
/** @psalm-suppress InvalidLiteralArgument */
$b2 = str_ends_with("", "random string");
$c2 = str_ends_with(uniqid(), "random string");
$a3 = str_contains(uniqid(), "");
/** @psalm-suppress InvalidLiteralArgument */
$b3 = str_contains("", "random string");
$c3 = str_contains(uniqid(), "random string");
',
'assertions' => [
'$a1===' => 'true',
'$b1===' => 'false',
'$c1===' => 'bool',
'$a2===' => 'true',
'$b2===' => 'false',
'$c2===' => 'bool',
'$a3===' => 'true',
'$b3===' => 'false',
'$c3===' => 'bool',
],
];
yield 'PHP8 str_* function assert non-empty-string' => [
'code' => '<?php
/** @return non-empty-string */
function after_str_contains(): string
{
$string = file_get_contents("");
if (str_contains($string, "foo")) {
return $string;
}
throw new RuntimeException();
}
/** @return non-empty-string */
function after_str_starts_with(): string
{
$string = file_get_contents("");
if (str_starts_with($string, "foo")) {
return $string;
}
throw new RuntimeException();
}
/** @return non-empty-string */
function after_str_ends_with(): string
{
$string = file_get_contents("");
if (str_ends_with($string, "foo")) {
return $string;
}
throw new RuntimeException();
}
/** @return non-empty-string */
function after_strpos(): string
{
$string = uniqid();
if (strpos($string, "foo") !== false) {
return $string;
}
throw new RuntimeException();
}
/** @return non-empty-string */
function after_stripos(): string
{
$string = uniqid();
if (stripos($string, "foo") !== false) {
return $string;
}
throw new RuntimeException();
}
$a = after_str_contains();
$b = after_str_starts_with();
$c = after_str_ends_with();
$d = after_strpos();
$e = after_stripos();
',
'assertions' => [
'$a===' => 'non-empty-string',
'$b===' => 'non-empty-string',
'$c===' => 'non-empty-string',
'$d===' => 'non-empty-string',
'$e===' => 'non-empty-string',
],
];
yield "PHP8 str_* function doesn't subtract string after assertion" => [
'code' => '<?php
/** @return false|string */
function after_str_contains()
{
$string = file_get_contents("");
if (!str_contains($string, "foo")) {
return $string;
}
throw new RuntimeException();
}
/** @return false|string */
function after_str_starts_with()
{
$string = file_get_contents("");
if (!str_starts_with($string, "foo")) {
return $string;
}
throw new RuntimeException();
}
/** @return false|string */
function after_str_ends_with()
{
$string = file_get_contents("");
if (!str_ends_with($string, "foo")) {
return $string;
}
throw new RuntimeException();
}
$a = after_str_contains();
$b = after_str_starts_with();
$c = after_str_ends_with();
',
'assertions' => [
'$a===' => 'false|string',
'$b===' => 'false|string',
'$c===' => 'false|string',
],
];
yield "str_contains doesn't yield InvalidLiteralArgument for __DIR__" => [
'code' => '<?php
$d = __DIR__;
echo str_contains($d, "psalm");
',
];
yield 'glob return types' => [
'code' => <<<'PHP'
<?php
/** @var int-mask<GLOB_NOCHECK> */
$maybeNocheckFlag = 0;
/** @var int-mask<GLOB_ONLYDIR> */
$maybeOnlydirFlag = 0;
/** @var string */
$string = '';
$emptyPatternNoFlags = glob( '' );
$emptyPatternWithoutNocheckFlag1 = glob( '', GLOB_MARK );
$emptyPatternWithoutNocheckFlag2 = glob( '' , GLOB_NOSORT | GLOB_NOESCAPE);
$emptyPatternWithoutNocheckFlag3 = glob( '' , GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ONLYDIR | GLOB_ERR);
$emptyPatternWithNocheckFlag1 = glob( '' , GLOB_NOCHECK);
$emptyPatternWithNocheckFlag2 = glob( '' , GLOB_NOCHECK | GLOB_MARK);
$emptyPatternWithNocheckFlag3 = glob( '' , GLOB_NOCHECK | GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ERR);
$emptyPatternWithNocheckAndOnlydirFlag1 = glob( '' , GLOB_NOCHECK | GLOB_ONLYDIR);
$emptyPatternWithNocheckAndOnlydirFlag2 = glob( '' , GLOB_NOCHECK | GLOB_ONLYDIR | GLOB_MARK);
$emptyPatternWithNocheckAndOnlydirFlag3 = glob( '' , GLOB_NOCHECK | GLOB_ONLYDIR | GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ERR);
$emptyPatternWithNocheckFlagAndMaybeOnlydir = glob( '' , GLOB_NOCHECK | $maybeOnlydirFlag);
$emptyPatternMaybeWithNocheckFlag = glob( '' , $maybeNocheckFlag);
$emptyPatternMaybeWithNocheckFlagAndOnlydir = glob( '' , $maybeNocheckFlag | GLOB_ONLYDIR);
$emptyPatternMaybeWithNocheckFlagAndMaybeOnlydir = glob( '' , $maybeNocheckFlag | $maybeOnlydirFlag);
$nonEmptyPatternNoFlags = glob( 'pattern' );
$nonEmptyPatternWithoutNocheckFlag1 = glob( 'pattern', GLOB_MARK );
$nonEmptyPatternWithoutNocheckFlag2 = glob( 'pattern' , GLOB_NOSORT | GLOB_NOESCAPE);
$nonEmptyPatternWithoutNocheckFlag3 = glob( 'pattern' , GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ONLYDIR | GLOB_ERR);
$nonEmptyPatternWithNocheckFlag1 = glob( 'pattern' , GLOB_NOCHECK);
$nonEmptyPatternWithNocheckFlag2 = glob( 'pattern' , GLOB_NOCHECK | GLOB_MARK);
$nonEmptyPatternWithNocheckFlag3 = glob( 'pattern' , GLOB_NOCHECK | GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ERR);
$nonEmptyPatternWithNocheckAndOnlydirFlag1 = glob( 'pattern' , GLOB_NOCHECK | GLOB_ONLYDIR);
$nonEmptyPatternWithNocheckAndOnlydirFlag2 = glob( 'pattern' , GLOB_NOCHECK | GLOB_ONLYDIR | GLOB_MARK);
$nonEmptyPatternWithNocheckAndOnlydirFlag3 = glob( 'pattern' , GLOB_NOCHECK | GLOB_ONLYDIR | GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ERR);
$nonEmptyPatternWithNocheckFlagAndMaybeOnlydir = glob( 'pattern' , GLOB_NOCHECK | $maybeOnlydirFlag);
$nonEmptyPatternMaybeWithNocheckFlag = glob( 'pattern' , $maybeNocheckFlag);
$nonEmptyPatternMaybeWithNocheckFlagAndOnlydir = glob( 'pattern' , $maybeNocheckFlag | GLOB_ONLYDIR);
$nonEmptyPatternMaybeWithNocheckFlagAndMaybeOnlydir = glob( 'pattern' , $maybeNocheckFlag | $maybeOnlydirFlag);
$stringPatternNoFlags = glob( $string );
$stringPatternWithoutNocheckFlag1 = glob( $string, GLOB_MARK );
$stringPatternWithoutNocheckFlag2 = glob( $string , GLOB_NOSORT | GLOB_NOESCAPE);
$stringPatternWithoutNocheckFlag3 = glob( $string , GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ONLYDIR | GLOB_ERR);
$stringPatternWithNocheckFlag1 = glob( $string , GLOB_NOCHECK);
$stringPatternWithNocheckFlag2 = glob( $string , GLOB_NOCHECK | GLOB_MARK);
$stringPatternWithNocheckFlag3 = glob( $string , GLOB_NOCHECK | GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ERR);
$stringPatternWithNocheckAndOnlydirFlag1 = glob( $string , GLOB_NOCHECK | GLOB_ONLYDIR);
$stringPatternWithNocheckAndOnlydirFlag2 = glob( $string , GLOB_NOCHECK | GLOB_ONLYDIR | GLOB_MARK);
$stringPatternWithNocheckAndOnlydirFlag3 = glob( $string , GLOB_NOCHECK | GLOB_ONLYDIR | GLOB_MARK | GLOB_NOSORT | GLOB_NOESCAPE | GLOB_BRACE | GLOB_ERR);
$stringPatternWithNocheckFlagAndMaybeOnlydir = glob( $string , GLOB_NOCHECK | $maybeOnlydirFlag);
$stringPatternMaybeWithNocheckFlag = glob( $string , $maybeNocheckFlag);
$stringPatternMaybeWithNocheckFlagAndOnlydir = glob( $string , $maybeNocheckFlag | GLOB_ONLYDIR);
$stringPatternMaybeWithNocheckFlagAndMaybeOnlydir = glob( $string , $maybeNocheckFlag | $maybeOnlydirFlag);
PHP,
'assertions' => [
'$emptyPatternNoFlags===' => 'false|list<never>',
'$emptyPatternWithoutNocheckFlag1===' => 'false|list<never>',
'$emptyPatternWithoutNocheckFlag2===' => 'false|list<never>',
'$emptyPatternWithoutNocheckFlag3===' => 'false|list<never>',
'$emptyPatternWithNocheckFlag1===' => 'false|list{\'\'}',
'$emptyPatternWithNocheckFlag2===' => 'false|list{\'\'}',
'$emptyPatternWithNocheckFlag3===' => 'false|list{\'\'}',
'$emptyPatternWithNocheckAndOnlydirFlag1===' => 'false|list<never>',
'$emptyPatternWithNocheckAndOnlydirFlag2===' => 'false|list<never>',
'$emptyPatternWithNocheckAndOnlydirFlag3===' => 'false|list<never>',
'$emptyPatternWithNocheckFlagAndMaybeOnlydir===' => 'false|list{0?: \'\', ...<never>}',
'$emptyPatternMaybeWithNocheckFlag===' => 'false|list{0?: \'\', ...<never>}',
'$emptyPatternMaybeWithNocheckFlagAndOnlydir===' => 'false|list<never>',
'$emptyPatternMaybeWithNocheckFlagAndMaybeOnlydir===' => 'false|list{0?: \'\', ...<never>}',
'$nonEmptyPatternNoFlags===' => 'false|list<non-empty-string>',
'$nonEmptyPatternWithoutNocheckFlag1===' => 'false|list<non-empty-string>',
'$nonEmptyPatternWithoutNocheckFlag2===' => 'false|list<non-empty-string>',
'$nonEmptyPatternWithoutNocheckFlag3===' => 'false|list<non-empty-string>',
'$nonEmptyPatternWithNocheckFlag1===' => 'false|non-empty-list<non-empty-string>',
'$nonEmptyPatternWithNocheckFlag2===' => 'false|non-empty-list<non-empty-string>',
'$nonEmptyPatternWithNocheckFlag3===' => 'false|non-empty-list<non-empty-string>',
'$nonEmptyPatternWithNocheckAndOnlydirFlag1===' => 'false|list<non-empty-string>',
'$nonEmptyPatternWithNocheckAndOnlydirFlag2===' => 'false|list<non-empty-string>',
'$nonEmptyPatternWithNocheckAndOnlydirFlag3===' => 'false|list<non-empty-string>',
'$nonEmptyPatternWithNocheckFlagAndMaybeOnlydir===' => 'false|list<non-empty-string>',
'$nonEmptyPatternMaybeWithNocheckFlag===' => 'false|list<non-empty-string>',
'$nonEmptyPatternMaybeWithNocheckFlagAndOnlydir===' => 'false|list<non-empty-string>',
'$nonEmptyPatternMaybeWithNocheckFlagAndMaybeOnlydir===' => 'false|list<non-empty-string>',
'$stringPatternNoFlags===' => 'false|list<non-empty-string>',
'$stringPatternWithoutNocheckFlag1===' => 'false|list<non-empty-string>',
'$stringPatternWithoutNocheckFlag2===' => 'false|list<non-empty-string>',
'$stringPatternWithoutNocheckFlag3===' => 'false|list<non-empty-string>',
'$stringPatternWithNocheckFlag1===' => 'false|list{string, ...<non-empty-string>}',
'$stringPatternWithNocheckFlag2===' => 'false|list{string, ...<non-empty-string>}',
'$stringPatternWithNocheckFlag3===' => 'false|list{string, ...<non-empty-string>}',
'$stringPatternWithNocheckAndOnlydirFlag1===' => 'false|list<non-empty-string>',
'$stringPatternWithNocheckAndOnlydirFlag2===' => 'false|list<non-empty-string>',
'$stringPatternWithNocheckAndOnlydirFlag3===' => 'false|list<non-empty-string>',
'$stringPatternWithNocheckFlagAndMaybeOnlydir===' => 'false|list{0?: string, ...<non-empty-string>}',
'$stringPatternMaybeWithNocheckFlag===' => 'false|list{0?: string, ...<non-empty-string>}',
'$stringPatternMaybeWithNocheckFlagAndOnlydir===' => 'false|list<non-empty-string>',
'$stringPatternMaybeWithNocheckFlagAndMaybeOnlydir===' => 'false|list{0?: string, ...<non-empty-string>}',
],
];
yield 'glob return ignores false' => [
'code' => <<<'PHP'
<?php
/**
* @param list $list
*/
function takesList(array $list): void {}
takesList(glob( '' ));
PHP,
];
yield 'glob accepts GLOB_BRACE' => [
'code' => <<<'PHP'
<?php
$globBrace = glob('abc', GLOB_BRACE);
PHP,
];
}
public function providerInvalidCodeParse(): iterable
{
yield 'json_decode invalid depth' => [
'code' => '<?php
json_decode("true", depth: -1);
',
'error_message' => 'InvalidArgument',
];
yield 'json_encode invalid depth' => [
'code' => '<?php
json_encode([], depth: 439877348953739);
',
'error_message' => 'InvalidArgument',
];
yield 'str_contains literal haystack' => [
'code' => '<?php
str_contains("literal", "");
',
'error_message' => 'InvalidLiteralArgument',
];
yield 'str_starts_with literal haystack' => [
'code' => '<?php
str_starts_with("literal", "");
',
'error_message' => 'InvalidLiteralArgument',
];
yield 'str_ends_with literal haystack' => [
'code' => '<?php
str_ends_with("literal", "");
',
'error_message' => 'InvalidLiteralArgument',
];
}
}