{ if ($count < \count($countable)) { $message = \sprintf( static::generateMessage($message ?: 'List should have at most %d elements, but has %d elements.'), static::stringify($count), static::stringify(\count($countable)) ); throw static::createException($countable, $message, static::INVALID_MAX_COUNT, $propertyPath, ['count' => $count]); } return true; } /** * static call handler to implement: * - "null or assertion" delegation * - "all" delegation. * * @param string $method * @param array $args * * @return bool|mixed */ public static function __callStatic($method, $args) { if (0 === \strpos($method, 'nullOr')) { if (!\array_key_exists(0, $args)) { throw new BadMethodCallException('Missing the first argument.'); } if (null === $args[0]) { return true; } $method = \substr($method, 6); return \call_user_func_array([\get_called_class(), $method], $args); } if (0 === \strpos($method, 'all')) { if (!\array_key_exists(0, $args)) { throw new BadMethodCallException('Missing the first argument.'); } static::isTraversable($args[0]); $method = \substr($method, 3); $values = \array_shift($args); $calledClass = \get_called_class(); foreach ($values as $value) { \call_user_func_array([$calledClass, $method], \array_merge([$value], $args)); } return true; } throw new BadMethodCallException('No assertion Assertion#'.$method.' exists.'); } /** * Determines if the values array has every choice as key and that this choice has content. * * @param array $values * @param array $choices * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function choicesNotEmpty(array $values, array $choices, $message = null, $propertyPath = null) { static::notEmpty($values, $message, $propertyPath); foreach ($choices as $choice) { static::notEmptyKey($values, $choice, $message, $propertyPath); } return true; } /** * Determines that the named method is defined in the provided object. * * @param string $value * @param mixed $object * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function methodExists($value, $object, $message = null, $propertyPath = null) { static::isObject($object, $message, $propertyPath); if (!\method_exists($object, $value)) { $message = \sprintf( static::generateMessage($message ?: 'Expected "%s" does not exist in provided object.'), static::stringify($value) ); throw static::createException($value, $message, static::INVALID_METHOD, $propertyPath, ['object' => \get_class($object)]); } return true; } /** * Determines that the provided value is an object. * * @param mixed $value * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function isObject($value, $message = null, $propertyPath = null) { if (!\is_object($value)) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is not a valid object.'), static::stringify($value) ); throw static::createException($value, $message, static::INVALID_OBJECT, $propertyPath); } return true; } /** * Determines if the value is less than given limit. * * @param mixed $value * @param mixed $limit * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function lessThan($value, $limit, $message = null, $propertyPath = null) { if ($value >= $limit) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is not less than "%s".'), static::stringify($value), static::stringify($limit) ); throw static::createException($value, $message, static::INVALID_LESS, $propertyPath, ['limit' => $limit]); } return true; } /** * Determines if the value is less or equal than given limit. * * @param mixed $value * @param mixed $limit * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function lessOrEqualThan($value, $limit, $message = null, $propertyPath = null) { if ($value > $limit) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is not less or equal than "%s".'), static::stringify($value), static::stringify($limit) ); throw static::createException($value, $message, static::INVALID_LESS_OR_EQUAL, $propertyPath, ['limit' => $limit]); } return true; } /** * Determines if the value is greater than given limit. * * @param mixed $value * @param mixed $limit * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function greaterThan($value, $limit, $message = null, $propertyPath = null) { if ($value <= $limit) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is not greater than "%s".'), static::stringify($value), static::stringify($limit) ); throw static::createException($value, $message, static::INVALID_GREATER, $propertyPath, ['limit' => $limit]); } return true; } /** * Determines if the value is greater or equal than given limit. * * @param mixed $value * @param mixed $limit * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function greaterOrEqualThan($value, $limit, $message = null, $propertyPath = null) { if ($value < $limit) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is not greater or equal than "%s".'), static::stringify($value), static::stringify($limit) ); throw static::createException($value, $message, static::INVALID_GREATER_OR_EQUAL, $propertyPath, ['limit' => $limit]); } return true; } /** * Assert that a value is greater or equal than a lower limit, and less than or equal to an upper limit. * * @param mixed $value * @param mixed $lowerLimit * @param mixed $upperLimit * @param string $message * @param string $propertyPath * * @return bool */ public static function between($value, $lowerLimit, $upperLimit, $message = null, $propertyPath = null) { if ($lowerLimit > $value || $value > $upperLimit) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is neither greater than or equal to "%s" nor less than or equal to "%s".'), static::stringify($value), static::stringify($lowerLimit), static::stringify($upperLimit) ); throw static::createException($value, $message, static::INVALID_BETWEEN, $propertyPath, ['lower' => $lowerLimit, 'upper' => $upperLimit]); } return true; } /** * Assert that a value is greater than a lower limit, and less than an upper limit. * * @param mixed $value * @param mixed $lowerLimit * @param mixed $upperLimit * @param string $message * @param string $propertyPath * * @return bool */ public static function betweenExclusive($value, $lowerLimit, $upperLimit, $message = null, $propertyPath = null) { if ($lowerLimit >= $value || $value >= $upperLimit) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is neither greater than "%s" nor less than "%s".'), static::stringify($value), static::stringify($lowerLimit), static::stringify($upperLimit) ); throw static::createException($value, $message, static::INVALID_BETWEEN_EXCLUSIVE, $propertyPath, ['lower' => $lowerLimit, 'upper' => $upperLimit]); } return true; } /** * Assert that extension is loaded. * * @param mixed $value * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function extensionLoaded($value, $message = null, $propertyPath = null) { if (!\extension_loaded($value)) { $message = \sprintf( static::generateMessage($message ?: 'Extension "%s" is required.'), static::stringify($value) ); throw static::createException($value, $message, static::INVALID_EXTENSION, $propertyPath); } return true; } /** * Assert that date is valid and corresponds to the given format. * * @param string $value * @param string $format supports all of the options date(), except for the following: * N, w, W, t, L, o, B, a, A, g, h, I, O, P, Z, c, r * @param string|callable|null $message * @param string|null $propertyPath * * @return bool * * @see http://php.net/manual/function.date.php#refsect1-function.date-parameters */ public static function date($value, $format, $message = null, $propertyPath = null) { static::string($value, $message, $propertyPath); static::string($format, $message, $propertyPath); $dateTime = \DateTime::createFromFormat('!'.$format, $value); if (false === $dateTime || $value !== $dateTime->format($format)) { $message = \sprintf( static::generateMessage($message ?: 'Date "%s" is invalid or does not match format "%s".'), static::stringify($value), static::stringify($format) ); throw static::createException($value, $message, static::INVALID_DATE, $propertyPath, ['format' => $format]); } return true; } /** * Assert that the value is an object, or a class that exists. * * @param mixed $value * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function objectOrClass($value, $message = null, $propertyPath = null) { if (!\is_object($value)) { static::classExists($value, $message, $propertyPath); } return true; } /** * Assert that the value is an object or class, and that the property exists. * * @param mixed $value * @param string $property * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function propertyExists($value, $property, $message = null, $propertyPath = null) { static::objectOrClass($value); if (!\property_exists($value, $property)) { $message = \sprintf( static::generateMessage($message ?: 'Class "%s" does not have property "%s".'), static::stringify($value), static::stringify($property) ); throw static::createException($value, $message, static::INVALID_PROPERTY, $propertyPath, ['property' => $property]); } return true; } /** * Assert that the value is an object or class, and that the properties all exist. * * @param mixed $value * @param array $properties * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function propertiesExist($value, array $properties, $message = null, $propertyPath = null) { static::objectOrClass($value); static::allString($properties, $message, $propertyPath); $invalidProperties = []; foreach ($properties as $property) { if (!\property_exists($value, $property)) { $invalidProperties[] = $property; } } if ($invalidProperties) { $message = \sprintf( static::generateMessage($message ?: 'Class "%s" does not have these properties: %s.'), static::stringify($value), static::stringify(\implode(', ', $invalidProperties)) ); throw static::createException($value, $message, static::INVALID_PROPERTY, $propertyPath, ['properties' => $properties]); } return true; } /** * Assert comparison of two versions. * * @param string $version1 * @param string $operator * @param string $version2 * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function version($version1, $operator, $version2, $message = null, $propertyPath = null) { static::notEmpty($operator, 'versionCompare operator is required and cannot be empty.'); if (true !== \version_compare($version1, $version2, $operator)) { $message = \sprintf( static::generateMessage($message ?: 'Version "%s" is not "%s" version "%s".'), static::stringify($version1), static::stringify($operator), static::stringify($version2) ); throw static::createException($version1, $message, static::INVALID_VERSION, $propertyPath, ['operator' => $operator, 'version' => $version2]); } return true; } /** * Assert on PHP version. * * @param string $operator * @param mixed $version * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function phpVersion($operator, $version, $message = null, $propertyPath = null) { static::defined('PHP_VERSION'); return static::version(PHP_VERSION, $operator, $version, $message, $propertyPath); } /** * Assert that extension is loaded and a specific version is installed. * * @param string $extension * @param string $operator * @param mixed $version * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function extensionVersion($extension, $operator, $version, $message = null, $propertyPath = null) { static::extensionLoaded($extension, $message, $propertyPath); return static::version(\phpversion($extension), $operator, $version, $message, $propertyPath); } /** * Determines that the provided value is callable. * * @param mixed $value * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function isCallable($value, $message = null, $propertyPath = null) { if (!\is_callable($value)) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is not a callable.'), static::stringify($value) ); throw static::createException($value, $message, static::INVALID_CALLABLE, $propertyPath); } return true; } /** * Assert that the provided value is valid according to a callback. * * If the callback returns `false` the assertion will fail. * * @param mixed $value * @param callable $callback * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function satisfy($value, $callback, $message = null, $propertyPath = null) { static::isCallable($callback); if (false === \call_user_func($callback, $value)) { $message = \sprintf( static::generateMessage($message ?: 'Provided "%s" is invalid according to custom rule.'), static::stringify($value) ); throw static::createException($value, $message, static::INVALID_SATISFY, $propertyPath); } return true; } /** * Assert that value is an IPv4 or IPv6 address * (using input_filter/FILTER_VALIDATE_IP). * * @param string $value * @param int|null $flag * @param string|callable|null $message * @param string|null $propertyPath * * @return bool * * @see http://php.net/manual/filter.filters.flags.php */ public static function ip($value, $flag = null, $message = null, $propertyPath = null) { static::string($value, $message, $propertyPath); if (!\filter_var($value, FILTER_VALIDATE_IP, $flag)) { $message = \sprintf( static::generateMessage($message ?: 'Value "%s" was expected to be a valid IP address.'), static::stringify($value) ); throw static::createException($value, $message, static::INVALID_IP, $propertyPath, ['flag' => $flag]); } return true; } /** * Assert that value is an IPv4 address * (using input_filter/FILTER_VALIDATE_IP). * * @param string $value * @param int|null $flag * @param string|callable|null $message * @param string|null $propertyPath * * @return bool * * @see http://php.net/manual/filter.filters.flags.php */ public static function ipv4($value, $flag = null, $message = null, $propertyPath = null) { static::ip($value, $flag | FILTER_FLAG_IPV4, static::generateMessage($message ?: 'Value "%s" was expected to be a valid IPv4 address.'), $propertyPath); return true; } /** * Assert that value is an IPv6 address * (using input_filter/FILTER_VALIDATE_IP). * * @param string $value * @param int|null $flag * @param string|callable|null $message * @param string|null $propertyPath * * @return bool * * @see http://php.net/manual/filter.filters.flags.php */ public static function ipv6($value, $flag = null, $message = null, $propertyPath = null) { static::ip($value, $flag | FILTER_FLAG_IPV6, static::generateMessage($message ?: 'Value "%s" was expected to be a valid IPv6 address.'), $propertyPath); return true; } /** * Assert that a constant is defined. * * @param mixed $constant * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function defined($constant, $message = null, $propertyPath = null) { if (!\defined($constant)) { $message = \sprintf(static::generateMessage($message ?: 'Value "%s" expected to be a defined constant.'), $constant); throw static::createException($constant, $message, static::INVALID_CONSTANT, $propertyPath); } return true; } /** * Assert that a constant is defined. * * @param string $value * @param string|callable|null $message * @param string|null $propertyPath * * @return bool */ public static function base64($value, $message = null, $propertyPath = null) { if (false === \base64_decode($value, true)) { $message = \sprintf(static::generateMessage($message ?: 'Value "%s" is not a valid base64 string.'), $value); throw static::createException($value, $message, static::INVALID_BASE64, $propertyPath); } return true; } /** * Helper method that handles building the assertion failure exceptions. * They are returned from this method so that the stack trace still shows * the assertions method. * * @param mixed $value * @param string|callable $message * @param int $code * @param string|null $propertyPath * @param array $constraints * * @return mixed */ protected static function createException($value, $message, $code, $propertyPath = null, array $constraints = []) { $exceptionClass = static::$exceptionClass; return new $exceptionClass($message, $code, $propertyPath, $value, $constraints); } /** * Make a string version of a value. * * @param mixed $value * * @return string */ protected static function stringify($value) { $result = \gettype($value); if (\is_bool($value)) { $result = $value ? '' : ''; } elseif (\is_scalar($value)) { $val = (string) $value; if (\strlen($val) > 100) { $val = \substr($val, 0, 97).'...'; } $result = $val; } elseif (\is_array($value)) { $result = ''; } elseif (\is_object($value)) { $result = \get_class($value); } elseif (\is_resource($value)) { $result = \get_resource_type($value); } elseif (null === $value) { $result = ''; } return $result; } /** * Generate the message. * * @param string|callable $message * * @return string */ protected static function generateMessage($message): string { if (\is_callable($message)) { $traces = \debug_backtrace(0); $parameters = []; try { $reflection = new \ReflectionClass($traces[1]['class']); $method = $reflection->getMethod($traces[1]['function']); foreach ($method->getParameters() as $index => $parameter) { if ('message' !== $parameter->getName()) { $parameters[$parameter->getName()] = \array_key_exists($index, $traces[1]['args']) ? $traces[1]['args'][$index] : $parameter->getDefaultValue(); } } $parameters['::assertion'] = \sprintf('%s%s%s', $traces[1]['class'], $traces[1]['type'], $traces[1]['function']); $message = \call_user_func_array($message, [$parameters]); } // @codeCoverageIgnoreStart catch (\Throwable $exception) { $message = \sprintf('Unable to generate message : %s', $exception->getMessage()); } // @codeCoverageIgnoreEnd } return (string) $message; } }