test-controller-have-tests.php

<?php

test('All controllers must have corresponding test files with correct paths', function () {
    $controllerPath = base_path('app/Http/Controllers');
    $testPath = base_path('tests/Feature');

    $controllerFiles = collect(File::allFiles($controllerPath))
        ->filter(fn($file) => $file->getExtension() === 'php')
        ->map(function ($file) use ($controllerPath) {
            return str_replace([$controllerPath . '/', '.php'], '', $file->getPathname());
        });

    $testFiles = collect(File::allFiles($testPath))
        ->filter(fn($file) => $file->getExtension() === 'php')
        ->map(function ($file) use ($testPath) {
            return str_replace([$testPath . '/', 'Test.php'], '', $file->getPathname());
        });

    $missingTests = $controllerFiles->diff($testFiles);

    if ($missingTests->isNotEmpty()) {
        echo 'Missing or incorrectly placed tests for controllers:' . PHP_EOL;
        foreach ($missingTests as $missingTest) {
            echo "- $missingTest" . PHP_EOL;
        }
    }

    expect($missingTests->isEmpty())->toBeTrue(
        'There are controllers without corresponding test files, see list above.'
    );
});