pest/tests/Unit/Actions/AddsTests.php

<?php

use Pest\Actions\AddsTests;
use PHPUnit\Framework\TestCase as PhpUnitTestCase;
use PHPUnit\Framework\TestSuite;
use PHPUnit\Framework\WarningTestCase;

$closure = function () {
};
$pestTestCase = new class() extends \PHPUnit\Framework\TestCase {
};

test('default php unit tests', function () {
    $testSuite = new TestSuite();

    $phpUnitTestCase = new class() extends PhpUnitTestCase {
    };
    $testSuite->addTest($phpUnitTestCase);
    expect($testSuite->tests())->toHaveCount(1);

    AddsTests::to($testSuite, new \Pest\TestSuite(getcwd(), 'tests'));
    expect($testSuite->tests())->toHaveCount(1);
});

it('removes warnings', function () {
    $testSuite       = new TestSuite();
    $warningTestCase = new WarningTestCase('No tests found in class "Pest\TestCase".');
    $testSuite->addTest($warningTestCase);

    AddsTests::to($testSuite, new \Pest\TestSuite(getcwd(), 'tests'));
    expect($testSuite->tests())->toHaveCount(0);
});