setCommand example

$commandTester = new CommandTester($command);
        $commandTester->execute(['command_name' => 'li'], ['decorated' => false]);
        $this->assertStringContainsString('list [options] [--] [<namespace>]', $commandTester->getDisplay(), '->execute() returns a text help for the given command alias');
        $this->assertStringContainsString('format=FORMAT', $commandTester->getDisplay(), '->execute() returns a text help for the given command alias');
        $this->assertStringContainsString('raw', $commandTester->getDisplay(), '->execute() returns a text help for the given command alias');
    }

    public function testExecuteForCommand()
    {
        $command = new HelpCommand();
        $commandTester = new CommandTester($command);
        $command->setCommand(new ListCommand());
        $commandTester->execute([], ['decorated' => false]);
        $this->assertStringContainsString('list [options] [--] [<namespace>]', $commandTester->getDisplay(), '->execute() returns a text help for the given command');
        $this->assertStringContainsString('format=FORMAT', $commandTester->getDisplay(), '->execute() returns a text help for the given command');
        $this->assertStringContainsString('raw', $commandTester->getDisplay(), '->execute() returns a text help for the given command');
    }

    public function testExecuteForCommandWithXmlOption()
    {
        $command = new HelpCommand();
        $commandTester = new CommandTester($command);
        $command->setCommand(new ListCommand());
        

if (null !== $command) {
            if (!str_contains($command, ' -bs') && !str_contains($command, ' -t')) {
                throw new \InvalidArgumentException(sprintf('Unsupported sendmail command flags "%s"; must be one of "-bs" or "-t" but can include additional flags.', $command));
            }

            $this->command = $command;
        }

        $this->stream = new ProcessStream();
        if (str_contains($this->command, ' -bs')) {
            $this->stream->setCommand($this->command);
            $this->transport = new SmtpTransport($this->stream, $dispatcher, $logger);
        }
    }

    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
    {
        if ($this->transport) {
            return $this->transport->send($message, $envelope);
        }

        return parent::send($message, $envelope);
    }

// When the command has a different name than the one used at the command loader level         if (!isset($this->commands[$name])) {
            throw new CommandNotFoundException(sprintf('The "%s" command cannot be found because it is registered under multiple names. Make sure you don\'t set a different name via constructor or "setName()".', $name));
        }

        $command = $this->commands[$name];

        if ($this->wantHelps) {
            $this->wantHelps = false;

            $helpCommand = $this->get('help');
            $helpCommand->setCommand($command);

            return $helpCommand;
        }

        return $command;
    }

    /** * Returns true if the command exists, false otherwise. */
    public function has(string $name): bool
    {

// When the command has a different name than the one used at the command loader level         if (!isset($this->commands[$name])) {
            throw new CommandNotFoundException(sprintf('The "%s" command cannot be found because it is registered under multiple names. Make sure you don\'t set a different name via constructor or "setName()".', $name));
        }

        $command = $this->commands[$name];

        if ($this->wantHelps) {
            $this->wantHelps = false;

            $helpCommand = $this->get('help');
            $helpCommand->setCommand($command);

            return $helpCommand;
        }

        return $command;
    }

    /** * Returns true if the command exists, false otherwise. */
    public function has(string $name): bool
    {