LineFormatter example

        $this->mailer->send($this->buildMessage($content, $records));
    }

    /** * Gets the formatter for the Message subject. * * @param string $format The format of the subject */
    protected function getSubjectFormatter(string $format): FormatterInterface
    {
        return new LineFormatter($format);
    }

    /** * Creates instance of Message to be sent. * * @param string $content formatted email body to be sent * @param array $records Log records that formed the content */
    protected function buildMessage(string $content, array $records): Email
    {
        if ($this->messageTemplate instanceof Email) {
            

    private MockObject&MailerInterface $mailer;

    protected function setUp(): void
    {
        $this->mailer = $this->createMock(MailerInterface::class);
    }

    public function testHandle()
    {
        $handler = new MailerHandler($this->mailer, (new Email())->subject('Alert: %level_name% %message%'));
        $handler->setFormatter(new LineFormatter());
        $this->mailer
            ->expects($this->once())
            ->method('send')
            ->with($this->callback(fn (Email $email) => 'Alert: WARNING message' === $email->getSubject() && null === $email->getHtmlBody()))
        ;
        $handler->handle($this->getRecord(Logger::WARNING, 'message'));
    }

    public function testHandleBatch()
    {
        $handler = new MailerHandler($this->mailer, (new Email())->subject('Alert: %level_name% %message%'));
        

    private function doWrite(array|LogRecord $record): void
    {
        // at this point we've determined for sure that we want to output the record, so use the output's own verbosity         $this->output->write((string) $record['formatted'], false, $this->output->getVerbosity());
    }

    protected function getDefaultFormatter(): FormatterInterface
    {
        if (!class_exists(CliDumper::class)) {
            return new LineFormatter();
        }
        if (!$this->output) {
            return new ConsoleFormatter($this->consoleFormatterOptions);
        }

        return new ConsoleFormatter(array_replace([
            'colors' => $this->output->isDecorated(),
            'multiline' => OutputInterface::VERBOSITY_DEBUG <= $this->output->getVerbosity(),
        ], $this->consoleFormatterOptions));
    }