function it_updates_a_channel($categoryRepository, $localeRepository, $currencyRepository, ChannelInterface $channel, CategoryInterface $tree, LocaleInterface $enUS, LocaleInterface $frFR, CurrencyInterface $usd, CurrencyInterface $eur)
 {
     $values = ['code' => 'ecommerce', 'label' => 'Ecommerce', 'locales' => ['en_US', 'fr_FR'], 'currencies' => ['EUR', 'USD'], 'tree' => 'master_catalog', 'conversion_units' => ['weight' => 'GRAM']];
     $channel->setCode('ecommerce')->shouldBeCalled();
     $channel->setLabel('Ecommerce')->shouldBeCalled();
     $categoryRepository->findOneByIdentifier('master_catalog')->willReturn($tree);
     $channel->setCategory($tree)->shouldBeCalled();
     $localeRepository->findOneByIdentifier('en_US')->willReturn($enUS);
     $localeRepository->findOneByIdentifier('fr_FR')->willReturn($frFR);
     $channel->setLocales([$enUS, $frFR])->shouldBeCalled();
     $currencyRepository->findOneByIdentifier('EUR')->willReturn($eur);
     $currencyRepository->findOneByIdentifier('USD')->willReturn($usd);
     $channel->setCurrencies([$eur, $usd])->shouldBeCalled();
     $channel->setConversionUnits(['weight' => 'GRAM'])->shouldBeCalled();
     $this->update($channel, $values, []);
 }
 /**
  * @param ChannelInterface $channel
  * @param array            $localeCodes
  */
 protected function setLocales(ChannelInterface $channel, array $localeCodes)
 {
     $locales = [];
     foreach ($localeCodes as $localeCode) {
         $locale = $this->localeRepository->findOneByIdentifier($localeCode);
         if (null === $locale) {
             throw new \InvalidArgumentException(sprintf('Locale with "%s" code does not exist', $localeCode));
         }
         $locales[] = $locale;
     }
     $channel->setLocales($locales);
 }