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Edit File: Assert.php
<?php /* * This file is part of the webmozart/assert package. * * (c) Bernhard Schussek <bschussek@gmail.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Webmozart\Assert; use ArrayAccess; use BadMethodCallException; use Closure; use Countable; use DateTime; use DateTimeImmutable; use Exception; use ResourceBundle; use SimpleXMLElement; use Throwable; use Traversable; /** * Efficient assertions to validate the input/output of your methods. * * @since 1.0 * * @author Bernhard Schussek <bschussek@gmail.com> */ class Assert { use Mixin; /** * @psalm-pure * @psalm-assert string $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function string($value, $message = '') { if (!\is_string($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a string. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert non-empty-string $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function stringNotEmpty($value, $message = '') { static::string($value, $message); static::notEq($value, '', $message); } /** * @psalm-pure * @psalm-assert int $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function integer($value, $message = '') { if (!\is_int($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an integer. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert numeric $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function integerish($value, $message = '') { if (!\is_numeric($value) || $value != (int) $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an integerish value. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert positive-int $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function positiveInteger($value, $message = '') { if (!(\is_int($value) && $value > 0)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a positive integer. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert float $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function float($value, $message = '') { if (!\is_float($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a float. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert numeric $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function numeric($value, $message = '') { if (!\is_numeric($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a numeric. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert positive-int|0 $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function natural($value, $message = '') { if (!\is_int($value) || $value < 0) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a non-negative integer. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert bool $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function boolean($value, $message = '') { if (!\is_bool($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a boolean. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert scalar $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function scalar($value, $message = '') { if (!\is_scalar($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a scalar. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert object $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function object($value, $message = '') { if (!\is_object($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an object. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert resource $value * * @param mixed $value * @param string|null $type type of resource this should be. @see https://www.php.net/manual/en/function.get-resource-type.php * @param string $message * * @throws InvalidArgumentException */ public static function resource($value, $type = null, $message = '') { if (!\is_resource($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a resource. Got: %s', static::typeToString($value) )); } if ($type && $type !== \get_resource_type($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a resource of type %2$s. Got: %s', static::typeToString($value), $type )); } } /** * @psalm-pure * @psalm-assert callable $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function isCallable($value, $message = '') { if (!\is_callable($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a callable. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert array $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function isArray($value, $message = '') { if (!\is_array($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an array. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert iterable $value * * @deprecated use "isIterable" or "isInstanceOf" instead * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function isTraversable($value, $message = '') { @\trigger_error( \sprintf( 'The "%s" assertion is deprecated. You should stop using it, as it will soon be removed in 2.0 version. Use "isIterable" or "isInstanceOf" instead.', __METHOD__ ), \E_USER_DEPRECATED ); if (!\is_array($value) && !($value instanceof Traversable)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a traversable. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert array|ArrayAccess $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function isArrayAccessible($value, $message = '') { if (!\is_array($value) && !($value instanceof ArrayAccess)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an array accessible. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert countable $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function isCountable($value, $message = '') { if ( !\is_array($value) && !($value instanceof Countable) && !($value instanceof ResourceBundle) && !($value instanceof SimpleXMLElement) ) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a countable. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-assert iterable $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function isIterable($value, $message = '') { if (!\is_array($value) && !($value instanceof Traversable)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an iterable. Got: %s', static::typeToString($value) )); } } /** * @psalm-pure * @psalm-template ExpectedType of object * @psalm-param class-string<ExpectedType> $class * @psalm-assert ExpectedType $value * * @param mixed $value * @param string|object $class * @param string $message * * @throws InvalidArgumentException */ public static function isInstanceOf($value, $class, $message = '') { if (!($value instanceof $class)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an instance of %2$s. Got: %s', static::typeToString($value), $class )); } } /** * @psalm-pure * @psalm-template ExpectedType of object * @psalm-param class-string<ExpectedType> $class * @psalm-assert !ExpectedType $value * * @param mixed $value * @param string|object $class * @param string $message * * @throws InvalidArgumentException */ public static function notInstanceOf($value, $class, $message = '') { if ($value instanceof $class) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an instance other than %2$s. Got: %s', static::typeToString($value), $class )); } } /** * @psalm-pure * @psalm-param array<class-string> $classes * * @param mixed $value * @param array<object|string> $classes * @param string $message * * @throws InvalidArgumentException */ public static function isInstanceOfAny($value, array $classes, $message = '') { foreach ($classes as $class) { if ($value instanceof $class) { return; } } static::reportInvalidArgument(\sprintf( $message ?: 'Expected an instance of any of %2$s. Got: %s', static::typeToString($value), \implode(', ', \array_map(array('static', 'valueToString'), $classes)) )); } /** * @psalm-pure * @psalm-template ExpectedType of object * @psalm-param class-string<ExpectedType> $class * @psalm-assert ExpectedType|class-string<ExpectedType> $value * * @param object|string $value * @param string $class * @param string $message * * @throws InvalidArgumentException */ public static function isAOf($value, $class, $message = '') { static::string($class, 'Expected class as a string. Got: %s'); if (!\is_a($value, $class, \is_string($value))) { static::reportInvalidArgument(sprintf( $message ?: 'Expected an instance of this class or to this class among his parents %2$s. Got: %s', static::typeToString($value), $class )); } } /** * @psalm-pure * @psalm-template UnexpectedType of object * @psalm-param class-string<UnexpectedType> $class * @psalm-assert !UnexpectedType $value * @psalm-assert !class-string<UnexpectedType> $value * * @param object|string $value * @param string $class * @param string $message * * @throws InvalidArgumentException */ public static function isNotA($value, $class, $message = '') { static::string($class, 'Expected class as a string. Got: %s'); if (\is_a($value, $class, \is_string($value))) { static::reportInvalidArgument(sprintf( $message ?: 'Expected an instance of this class or to this class among his parents other than %2$s. Got: %s', static::typeToString($value), $class )); } } /** * @psalm-pure * @psalm-param array<class-string> $classes * * @param object|string $value * @param string[] $classes * @param string $message * * @throws InvalidArgumentException */ public static function isAnyOf($value, array $classes, $message = '') { foreach ($classes as $class) { static::string($class, 'Expected class as a string. Got: %s'); if (\is_a($value, $class, \is_string($value))) { return; } } static::reportInvalidArgument(sprintf( $message ?: 'Expected an any of instance of this class or to this class among his parents other than %2$s. Got: %s', static::typeToString($value), \implode(', ', \array_map(array('static', 'valueToString'), $classes)) )); } /** * @psalm-pure * @psalm-assert empty $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function isEmpty($value, $message = '') { if (!empty($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an empty value. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert !empty $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function notEmpty($value, $message = '') { if (empty($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a non-empty value. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert null $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function null($value, $message = '') { if (null !== $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected null. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert !null $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function notNull($value, $message = '') { if (null === $value) { static::reportInvalidArgument( $message ?: 'Expected a value other than null.' ); } } /** * @psalm-pure * @psalm-assert true $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function true($value, $message = '') { if (true !== $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to be true. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert false $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function false($value, $message = '') { if (false !== $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to be false. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert !false $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function notFalse($value, $message = '') { if (false === $value) { static::reportInvalidArgument( $message ?: 'Expected a value other than false.' ); } } /** * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function ip($value, $message = '') { if (false === \filter_var($value, \FILTER_VALIDATE_IP)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to be an IP. Got: %s', static::valueToString($value) )); } } /** * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function ipv4($value, $message = '') { if (false === \filter_var($value, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to be an IPv4. Got: %s', static::valueToString($value) )); } } /** * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function ipv6($value, $message = '') { if (false === \filter_var($value, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to be an IPv6. Got: %s', static::valueToString($value) )); } } /** * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function email($value, $message = '') { if (false === \filter_var($value, FILTER_VALIDATE_EMAIL)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to be a valid e-mail address. Got: %s', static::valueToString($value) )); } } /** * Does non strict comparisons on the items, so ['3', 3] will not pass the assertion. * * @param array $values * @param string $message * * @throws InvalidArgumentException */ public static function uniqueValues(array $values, $message = '') { $allValues = \count($values); $uniqueValues = \count(\array_unique($values)); if ($allValues !== $uniqueValues) { $difference = $allValues - $uniqueValues; static::reportInvalidArgument(\sprintf( $message ?: 'Expected an array of unique values, but %s of them %s duplicated', $difference, (1 === $difference ? 'is' : 'are') )); } } /** * @param mixed $value * @param mixed $expect * @param string $message * * @throws InvalidArgumentException */ public static function eq($value, $expect, $message = '') { if ($expect != $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value equal to %2$s. Got: %s', static::valueToString($value), static::valueToString($expect) )); } } /** * @param mixed $value * @param mixed $expect * @param string $message * * @throws InvalidArgumentException */ public static function notEq($value, $expect, $message = '') { if ($expect == $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a different value than %s.', static::valueToString($expect) )); } } /** * @psalm-pure * * @param mixed $value * @param mixed $expect * @param string $message * * @throws InvalidArgumentException */ public static function same($value, $expect, $message = '') { if ($expect !== $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value identical to %2$s. Got: %s', static::valueToString($value), static::valueToString($expect) )); } } /** * @psalm-pure * * @param mixed $value * @param mixed $expect * @param string $message * * @throws InvalidArgumentException */ public static function notSame($value, $expect, $message = '') { if ($expect === $value) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value not identical to %s.', static::valueToString($expect) )); } } /** * @psalm-pure * * @param mixed $value * @param mixed $limit * @param string $message * * @throws InvalidArgumentException */ public static function greaterThan($value, $limit, $message = '') { if ($value <= $limit) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value greater than %2$s. Got: %s', static::valueToString($value), static::valueToString($limit) )); } } /** * @psalm-pure * * @param mixed $value * @param mixed $limit * @param string $message * * @throws InvalidArgumentException */ public static function greaterThanEq($value, $limit, $message = '') { if ($value < $limit) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value greater than or equal to %2$s. Got: %s', static::valueToString($value), static::valueToString($limit) )); } } /** * @psalm-pure * * @param mixed $value * @param mixed $limit * @param string $message * * @throws InvalidArgumentException */ public static function lessThan($value, $limit, $message = '') { if ($value >= $limit) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value less than %2$s. Got: %s', static::valueToString($value), static::valueToString($limit) )); } } /** * @psalm-pure * * @param mixed $value * @param mixed $limit * @param string $message * * @throws InvalidArgumentException */ public static function lessThanEq($value, $limit, $message = '') { if ($value > $limit) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value less than or equal to %2$s. Got: %s', static::valueToString($value), static::valueToString($limit) )); } } /** * Inclusive range, so Assert::(3, 3, 5) passes. * * @psalm-pure * * @param mixed $value * @param mixed $min * @param mixed $max * @param string $message * * @throws InvalidArgumentException */ public static function range($value, $min, $max, $message = '') { if ($value < $min || $value > $max) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value between %2$s and %3$s. Got: %s', static::valueToString($value), static::valueToString($min), static::valueToString($max) )); } } /** * A more human-readable alias of Assert::inArray(). * * @psalm-pure * * @param mixed $value * @param array $values * @param string $message * * @throws InvalidArgumentException */ public static function oneOf($value, array $values, $message = '') { static::inArray($value, $values, $message); } /** * Does strict comparison, so Assert::inArray(3, ['3']) does not pass the assertion. * * @psalm-pure * * @param mixed $value * @param array $values * @param string $message * * @throws InvalidArgumentException */ public static function inArray($value, array $values, $message = '') { if (!\in_array($value, $values, true)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected one of: %2$s. Got: %s', static::valueToString($value), \implode(', ', \array_map(array('static', 'valueToString'), $values)) )); } } /** * @psalm-pure * * @param string $value * @param string $subString * @param string $message * * @throws InvalidArgumentException */ public static function contains($value, $subString, $message = '') { if (false === \strpos($value, $subString)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain %2$s. Got: %s', static::valueToString($value), static::valueToString($subString) )); } } /** * @psalm-pure * * @param string $value * @param string $subString * @param string $message * * @throws InvalidArgumentException */ public static function notContains($value, $subString, $message = '') { if (false !== \strpos($value, $subString)) { static::reportInvalidArgument(\sprintf( $message ?: '%2$s was not expected to be contained in a value. Got: %s', static::valueToString($value), static::valueToString($subString) )); } } /** * @psalm-pure * * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function notWhitespaceOnly($value, $message = '') { if (\preg_match('/^\s*$/', $value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a non-whitespace string. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * * @param string $value * @param string $prefix * @param string $message * * @throws InvalidArgumentException */ public static function startsWith($value, $prefix, $message = '') { if (0 !== \strpos($value, $prefix)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to start with %2$s. Got: %s', static::valueToString($value), static::valueToString($prefix) )); } } /** * @psalm-pure * * @param string $value * @param string $prefix * @param string $message * * @throws InvalidArgumentException */ public static function notStartsWith($value, $prefix, $message = '') { if (0 === \strpos($value, $prefix)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value not to start with %2$s. Got: %s', static::valueToString($value), static::valueToString($prefix) )); } } /** * @psalm-pure * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function startsWithLetter($value, $message = '') { static::string($value); $valid = isset($value[0]); if ($valid) { $locale = \setlocale(LC_CTYPE, 0); \setlocale(LC_CTYPE, 'C'); $valid = \ctype_alpha($value[0]); \setlocale(LC_CTYPE, $locale); } if (!$valid) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to start with a letter. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * * @param string $value * @param string $suffix * @param string $message * * @throws InvalidArgumentException */ public static function endsWith($value, $suffix, $message = '') { if ($suffix !== \substr($value, -\strlen($suffix))) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to end with %2$s. Got: %s', static::valueToString($value), static::valueToString($suffix) )); } } /** * @psalm-pure * * @param string $value * @param string $suffix * @param string $message * * @throws InvalidArgumentException */ public static function notEndsWith($value, $suffix, $message = '') { if ($suffix === \substr($value, -\strlen($suffix))) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value not to end with %2$s. Got: %s', static::valueToString($value), static::valueToString($suffix) )); } } /** * @psalm-pure * * @param string $value * @param string $pattern * @param string $message * * @throws InvalidArgumentException */ public static function regex($value, $pattern, $message = '') { if (!\preg_match($pattern, $value)) { static::reportInvalidArgument(\sprintf( $message ?: 'The value %s does not match the expected pattern.', static::valueToString($value) )); } } /** * @psalm-pure * * @param string $value * @param string $pattern * @param string $message * * @throws InvalidArgumentException */ public static function notRegex($value, $pattern, $message = '') { if (\preg_match($pattern, $value, $matches, PREG_OFFSET_CAPTURE)) { static::reportInvalidArgument(\sprintf( $message ?: 'The value %s matches the pattern %s (at offset %d).', static::valueToString($value), static::valueToString($pattern), $matches[0][1] )); } } /** * @psalm-pure * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function unicodeLetters($value, $message = '') { static::string($value); if (!\preg_match('/^\p{L}+$/u', $value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain only Unicode letters. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function alpha($value, $message = '') { static::string($value); $locale = \setlocale(LC_CTYPE, 0); \setlocale(LC_CTYPE, 'C'); $valid = !\ctype_alpha($value); \setlocale(LC_CTYPE, $locale); if ($valid) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain only letters. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function digits($value, $message = '') { $locale = \setlocale(LC_CTYPE, 0); \setlocale(LC_CTYPE, 'C'); $valid = !\ctype_digit($value); \setlocale(LC_CTYPE, $locale); if ($valid) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain digits only. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function alnum($value, $message = '') { $locale = \setlocale(LC_CTYPE, 0); \setlocale(LC_CTYPE, 'C'); $valid = !\ctype_alnum($value); \setlocale(LC_CTYPE, $locale); if ($valid) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain letters and digits only. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert lowercase-string $value * * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function lower($value, $message = '') { $locale = \setlocale(LC_CTYPE, 0); \setlocale(LC_CTYPE, 'C'); $valid = !\ctype_lower($value); \setlocale(LC_CTYPE, $locale); if ($valid) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain lowercase characters only. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-assert !lowercase-string $value * * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function upper($value, $message = '') { $locale = \setlocale(LC_CTYPE, 0); \setlocale(LC_CTYPE, 'C'); $valid = !\ctype_upper($value); \setlocale(LC_CTYPE, $locale); if ($valid) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain uppercase characters only. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * * @param string $value * @param int $length * @param string $message * * @throws InvalidArgumentException */ public static function length($value, $length, $message = '') { if ($length !== static::strlen($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain %2$s characters. Got: %s', static::valueToString($value), $length )); } } /** * Inclusive min. * * @psalm-pure * * @param string $value * @param int|float $min * @param string $message * * @throws InvalidArgumentException */ public static function minLength($value, $min, $message = '') { if (static::strlen($value) < $min) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain at least %2$s characters. Got: %s', static::valueToString($value), $min )); } } /** * Inclusive max. * * @psalm-pure * * @param string $value * @param int|float $max * @param string $message * * @throws InvalidArgumentException */ public static function maxLength($value, $max, $message = '') { if (static::strlen($value) > $max) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain at most %2$s characters. Got: %s', static::valueToString($value), $max )); } } /** * Inclusive , so Assert::lengthBetween('asd', 3, 5); passes the assertion. * * @psalm-pure * * @param string $value * @param int|float $min * @param int|float $max * @param string $message * * @throws InvalidArgumentException */ public static function lengthBetween($value, $min, $max, $message = '') { $length = static::strlen($value); if ($length < $min || $length > $max) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a value to contain between %2$s and %3$s characters. Got: %s', static::valueToString($value), $min, $max )); } } /** * Will also pass if $value is a directory, use Assert::file() instead if you need to be sure it is a file. * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function fileExists($value, $message = '') { static::string($value); if (!\file_exists($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'The file %s does not exist.', static::valueToString($value) )); } } /** * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function file($value, $message = '') { static::fileExists($value, $message); if (!\is_file($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'The path %s is not a file.', static::valueToString($value) )); } } /** * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function directory($value, $message = '') { static::fileExists($value, $message); if (!\is_dir($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'The path %s is no directory.', static::valueToString($value) )); } } /** * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function readable($value, $message = '') { if (!\is_readable($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'The path %s is not readable.', static::valueToString($value) )); } } /** * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function writable($value, $message = '') { if (!\is_writable($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'The path %s is not writable.', static::valueToString($value) )); } } /** * @psalm-assert class-string $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function classExists($value, $message = '') { if (!\class_exists($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an existing class name. Got: %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-template ExpectedType of object * @psalm-param class-string<ExpectedType> $class * @psalm-assert class-string<ExpectedType>|ExpectedType $value * * @param mixed $value * @param string|object $class * @param string $message * * @throws InvalidArgumentException */ public static function subclassOf($value, $class, $message = '') { if (!\is_subclass_of($value, $class)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected a sub-class of %2$s. Got: %s', static::valueToString($value), static::valueToString($class) )); } } /** * @psalm-assert class-string $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function interfaceExists($value, $message = '') { if (!\interface_exists($value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an existing interface name. got %s', static::valueToString($value) )); } } /** * @psalm-pure * @psalm-template ExpectedType of object * @psalm-param class-string<ExpectedType> $interface * @psalm-assert class-string<ExpectedType> $value * * @param mixed $value * @param mixed $interface * @param string $message * * @throws InvalidArgumentException */ public static function implementsInterface($value, $interface, $message = '') { if (!\in_array($interface, \class_implements($value))) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an implementation of %2$s. Got: %s', static::valueToString($value), static::valueToString($interface) )); } } /** * @psalm-pure * @psalm-param class-string|object $classOrObject * * @param string|object $classOrObject * @param mixed $property * @param string $message * * @throws InvalidArgumentException */ public static function propertyExists($classOrObject, $property, $message = '') { if (!\property_exists($classOrObject, $property)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected the property %s to exist.', static::valueToString($property) )); } } /** * @psalm-pure * @psalm-param class-string|object $classOrObject * * @param string|object $classOrObject * @param mixed $property * @param string $message * * @throws InvalidArgumentException */ public static function propertyNotExists($classOrObject, $property, $message = '') { if (\property_exists($classOrObject, $property)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected the property %s to not exist.', static::valueToString($property) )); } } /** * @psalm-pure * @psalm-param class-string|object $classOrObject * * @param string|object $classOrObject * @param mixed $method * @param string $message * * @throws InvalidArgumentException */ public static function methodExists($classOrObject, $method, $message = '') { if (!(\is_string($classOrObject) || \is_object($classOrObject)) || !\method_exists($classOrObject, $method)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected the method %s to exist.', static::valueToString($method) )); } } /** * @psalm-pure * @psalm-param class-string|object $classOrObject * * @param string|object $classOrObject * @param mixed $method * @param string $message * * @throws InvalidArgumentException */ public static function methodNotExists($classOrObject, $method, $message = '') { if ((\is_string($classOrObject) || \is_object($classOrObject)) && \method_exists($classOrObject, $method)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected the method %s to not exist.', static::valueToString($method) )); } } /** * @psalm-pure * * @param array $array * @param string|int $key * @param string $message * * @throws InvalidArgumentException */ public static function keyExists($array, $key, $message = '') { if (!(isset($array[$key]) || \array_key_exists($key, $array))) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected the key %s to exist.', static::valueToString($key) )); } } /** * @psalm-pure * * @param array $array * @param string|int $key * @param string $message * * @throws InvalidArgumentException */ public static function keyNotExists($array, $key, $message = '') { if (isset($array[$key]) || \array_key_exists($key, $array)) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected the key %s to not exist.', static::valueToString($key) )); } } /** * Checks if a value is a valid array key (int or string). * * @psalm-pure * @psalm-assert array-key $value * * @param mixed $value * @param string $message * * @throws InvalidArgumentException */ public static function validArrayKey($value, $message = '') { if (!(\is_int($value) || \is_string($value))) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected string or integer. Got: %s', static::typeToString($value) )); } } /** * Does not check if $array is countable, this can generate a warning on php versions after 7.2. * * @param Countable|array $array * @param int $number * @param string $message * * @throws InvalidArgumentException */ public static function count($array, $number, $message = '') { static::eq( \count($array), $number, \sprintf( $message ?: 'Expected an array to contain %d elements. Got: %d.', $number, \count($array) ) ); } /** * Does not check if $array is countable, this can generate a warning on php versions after 7.2. * * @param Countable|array $array * @param int|float $min * @param string $message * * @throws InvalidArgumentException */ public static function minCount($array, $min, $message = '') { if (\count($array) < $min) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an array to contain at least %2$d elements. Got: %d', \count($array), $min )); } } /** * Does not check if $array is countable, this can generate a warning on php versions after 7.2. * * @param Countable|array $array * @param int|float $max * @param string $message * * @throws InvalidArgumentException */ public static function maxCount($array, $max, $message = '') { if (\count($array) > $max) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an array to contain at most %2$d elements. Got: %d', \count($array), $max )); } } /** * Does not check if $array is countable, this can generate a warning on php versions after 7.2. * * @param Countable|array $array * @param int|float $min * @param int|float $max * @param string $message * * @throws InvalidArgumentException */ public static function countBetween($array, $min, $max, $message = '') { $count = \count($array); if ($count < $min || $count > $max) { static::reportInvalidArgument(\sprintf( $message ?: 'Expected an array to contain between %2$d and %3$d elements. Got: %d', $count, $min, $max )); } } /** * @psalm-pure * @psalm-assert list $array * * @param mixed $array * @param string $message * * @throws InvalidArgumentException */ public static function isList($array, $message = '') { if (!\is_array($array) || $array !== \array_values($array)) { static::reportInvalidArgument( $message ?: 'Expected list - non-associative array.' ); } } /** * @psalm-pure * @psalm-assert non-empty-list $array * * @param mixed $array * @param string $message * * @throws InvalidArgumentException */ public static function isNonEmptyList($array, $message = '') { static::isList($array, $message); static::notEmpty($array, $message); } /** * @psalm-pure * @psalm-template T * @psalm-param mixed|array<T> $array * @psalm-assert array<string, T> $array * * @param mixed $array * @param string $message * * @throws InvalidArgumentException */ public static function isMap($array, $message = '') { if ( !\is_array($array) || \array_keys($array) !== \array_filter(\array_keys($array), '\is_string') ) { static::reportInvalidArgument( $message ?: 'Expected map - associative array with string keys.' ); } } /** * @psalm-pure * @psalm-template T * @psalm-param mixed|array<T> $array * @psalm-assert array<string, T> $array * @psalm-assert !empty $array * * @param mixed $array * @param string $message * * @throws InvalidArgumentException */ public static function isNonEmptyMap($array, $message = '') { static::isMap($array, $message); static::notEmpty($array, $message); } /** * @psalm-pure * * @param string $value * @param string $message * * @throws InvalidArgumentException */ public static function uuid($value, $message = '') { $value = \str_replace(array('urn:', 'uuid:', '{', '}'), '', $value); // The nil UUID is special form of UUID that is specified to have all // 128 bits set to zero. if ('00000000-0000-0000-0000-000000000000' === $value) { return; } if (!\preg_match('/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/', $value)) { static::reportInvalidArgument(\sprintf( $message ?: 'Value %s is not a valid UUID.', static::valueToString($value) )); } } /** * @psalm-param class-string<Throwable> $class * * @param Closure $expression * @param string $class * @param string $message * * @throws InvalidArgumentException */ public static function throws(Closure $expression, $class = 'Exception', $message = '') { static::string($class); $actual = 'none'; try { $expression(); } catch (Exception $e) { $actual = \get_class($e); if ($e instanceof $class) { return; } } catch (Throwable $e) { $actual = \get_class($e); if ($e instanceof $class) { return; } } static::reportInvalidArgument($message ?: \sprintf( 'Expected to throw "%s", got "%s"', $class, $actual )); } /** * @throws BadMethodCallException */ public static function __callStatic($name, $arguments) { if ('nullOr' === \substr($name, 0, 6)) { if (null !== $arguments[0]) { $method = \lcfirst(\substr($name, 6)); \call_user_func_array(array('static', $method), $arguments); } return; } if ('all' === \substr($name, 0, 3)) { static::isIterable($arguments[0]); $method = \lcfirst(\substr($name, 3)); $args = $arguments; foreach ($arguments[0] as $entry) { $args[0] = $entry; \call_user_func_array(array('static', $method), $args); } return; } throw new BadMethodCallException('No such method: '.$name); } /** * @param mixed $value * * @return string */ protected static function valueToString($value) { if (null === $value) { return 'null'; } if (true === $value) { return 'true'; } if (false === $value) { return 'false'; } if (\is_array($value)) { return 'array'; } if (\is_object($value)) { if (\method_exists($value, '__toString')) { return \get_class($value).': '.self::valueToString($value->__toString()); } if ($value instanceof DateTime || $value instanceof DateTimeImmutable) { return \get_class($value).': '.self::valueToString($value->format('c')); } return \get_class($value); } if (\is_resource($value)) { return 'resource'; } if (\is_string($value)) { return '"'.$value.'"'; } return (string) $value; } /** * @param mixed $value * * @return string */ protected static function typeToString($value) { return \is_object($value) ? \get_class($value) : \gettype($value); } protected static function strlen($value) { if (!\function_exists('mb_detect_encoding')) { return \strlen($value); } if (false === $encoding = \mb_detect_encoding($value)) { return \strlen($value); } return \mb_strlen($value, $encoding); } /** * @param string $message * * @throws InvalidArgumentException * * @psalm-pure this method is not supposed to perform side-effects */ protected static function reportInvalidArgument($message) { throw new InvalidArgumentException($message); } private function __construct() { } }
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