pestphp/pest · error · InvalidArgumentException

No class, trait or method named [%s] has been found.

Error message

No class, trait or method named [%s] has been found.

What it means

Error "No class, trait or method named [%s] has been found." thrown in pestphp/pest.

Source

Thrown at src/PendingCalls/TestCall.php:507

        return $this;
    }

    /**
     * @param  array<int, string>|string  $classesOrFunctions
     */
    public function covers(array|string ...$classesOrFunctions): self
    {
        /** @var array<int, string> $classesOrFunctions */
        $classesOrFunctions = array_reduce($classesOrFunctions, fn ($carry, $item): array => is_array($item) ? array_merge($carry, $item) : array_merge($carry, [$item]), []); // @pest-ignore-type

        foreach ($classesOrFunctions as $classOrFunction) {
            $isClass = class_exists($classOrFunction) || interface_exists($classOrFunction) || enum_exists($classOrFunction);
            $isTrait = trait_exists($classOrFunction);
            $isFunction = function_exists($classOrFunction);

            if (! $isClass && ! $isTrait && ! $isFunction) {
                throw new InvalidArgumentException(sprintf('No class, trait or method named [%s] has been found.', $classOrFunction));
            }

            if ($isClass) {
                $this->coversClass($classOrFunction);
            } elseif ($isTrait) {
                $this->coversTrait($classOrFunction);
            } else {
                $this->coversFunction($classOrFunction);
            }
        }

        return $this;
    }

    public function coversClass(string ...$classes): self
    {
        foreach ($classes as $class) {
            $this->testCaseFactoryAttributes[] = new Attribute(

View on GitHub (pinned to 1af74a215c)

When it happens

Trigger: Thrown at src/PendingCalls/TestCall.php:507 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of pestphp/pest@1af74a215c (2026-08-21). Data as JSON: /api/errors/0099aa64336679bf. Report an issue: GitHub.