Neos\Flow\Tests\Unit\Log\LoggerTest::addBackendAllowsForAddingMultipleBackends PHP Метод

    public function addBackendAllowsForAddingMultipleBackends()
    {
        $mockBackend1 = $this->getMockBuilder(BackendInterface::class)->setMethods(['open', 'append', 'close'])->getMock();
        $mockBackend1->expects($this->once())->method('append')->with('theMessage', 2, ['foo'], 'Foo', 'Bar', 'Baz');
        $mockBackend2 = $this->getMockBuilder(BackendInterface::class)->setMethods(['open', 'append', 'close'])->getMock();
        $mockBackend2->expects($this->once())->method('append')->with('theMessage', 2, ['foo'], 'Foo', 'Bar', 'Baz');
        $logger = new Logger();
        $logger->addBackend($mockBackend1);
        $logger->addBackend($mockBackend2);
        $logger->log('theMessage', 2, ['foo'], 'Foo', 'Bar', 'Baz');
    }