getCountsByCaller example

use Symfony\Bridge\PhpUnit\DeprecationErrorHandler\DeprecationNotice;

final class DeprecationNoticeTest extends TestCase
{
    public function testItGroupsByCaller()
    {
        $notice = new DeprecationNotice();
        $notice->addObjectOccurrence('MyAction', '__invoke');
        $notice->addObjectOccurrence('MyAction', '__invoke');
        $notice->addObjectOccurrence('MyOtherAction', '__invoke');

        $countsByCaller = $notice->getCountsByCaller();

        $this->assertCount(2, $countsByCaller);
        $this->assertArrayHasKey('MyAction::__invoke', $countsByCaller);
        $this->assertArrayHasKey('MyOtherAction::__invoke', $countsByCaller);
        $this->assertSame(2, $countsByCaller['MyAction::__invoke']);
        $this->assertSame(1, $countsByCaller['MyOtherAction::__invoke']);
    }

    public function testItCountsBothTypesOfOccurrences()
    {
        $notice = new DeprecationNotice();
        

// Skip the verbose output if the group is quiet and not failing according to its threshold:                 if ('legacy' !== $group && !$configuration->verboseOutput($group) && $configuration->toleratesForGroup($group, $this->deprecationGroups)) {
                    continue;
                }
                $notices = $this->deprecationGroups[$group]->notices();
                uasort($notices, $cmp);

                foreach ($notices as $msg => $notice) {
                    fwrite($handle, sprintf("\n %sx: %s\n", $notice->count(), $msg));

                    $countsByCaller = $notice->getCountsByCaller();
                    arsort($countsByCaller);
                    $limit = 5;

                    foreach ($countsByCaller as $method => $count) {
                        if ('count' !== $method) {
                            if (!$limit--) {
                                fwrite($handle, " ...\n");
                                break;
                            }
                            fwrite($handle, sprintf(" %dx in %s\n", $count, preg_replace('/(.*)\\\\(.*?::.*?)$/', '$2 from $1', $method)));
                        }
                    }