UninstallLanguageCommandTest.php

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<?php
namespace Magento\Translation\Test\Unit\Console\Command;

use Magento\Framework\Composer\DependencyChecker;
use Magento\Framework\Composer\Remove;
use Magento\Framework\Composer\ComposerInformation;
use Magento\Framework\App\Cache;
use Symfony\Component\Console\Tester\CommandTester;
use Magento\Translation\Console\Command\UninstallLanguageCommand;
use Magento\Framework\Setup\BackupRollbackFactory;

class UninstallLanguageCommandTest extends \PHPUnit\Framework\TestCase
{
    private $dependencyChecker;

    private $remove;

    private $composerInfo;

    private $cache;

    private $backupRollbackFactory;

    private $command;

    private $tester;

    protected function setUp()
    {
        $this->dependencyChecker = $this->createMock(\Magento\Framework\Composer\DependencyChecker::class);
        $this->remove = $this->createMock(\Magento\Framework\Composer\Remove::class);
        $this->composerInfo = $this->createMock(\Magento\Framework\Composer\ComposerInformation::class);
        $this->cache = $this->createMock(\Magento\Framework\App\Cache::class);
        $this->backupRollbackFactory = $this->createMock(\Magento\Framework\Setup\BackupRollbackFactory::class);

        $this->command = new UninstallLanguageCommand(
            $this->dependencyChecker,
            $this->remove,
            $this->composerInfo,
            $this->cache,
            $this->backupRollbackFactory
        );

        $this->tester = new CommandTester($this->command);
    }

    public function testExecute()
    {
        $dependencies['vendor/language-ua_ua'] = [];

        $this->dependencyChecker->expects($this->once())
            ->method('checkDependencies')
            ->with(['vendor/language-ua_ua'])
            ->willReturn($dependencies);

        $this->composerInfo->expects($this->once())
            ->method('getRootRequiredPackageTypesByName')
            ->willReturn(
                [
                    'vendor/language-ua_ua' => 'magento2-language'
                ]
            );

        $backupRollback = $this->createMock(\Magento\Framework\Setup\BackupRollback::class);
        $backupRollback->expects($this->once())->method('codeBackup');

        $this->backupRollbackFactory->expects($this->once())
            ->method('create')
            ->willReturn($backupRollback);

        $this->remove->expects($this->once())->method('remove');
        $this->cache->expects($this->once())->method('clean');

        $this->tester->execute(['package' => ['vendor/language-ua_ua'], '--backup-code' => true]);
    }

    public function testExecuteNoBackupOption()
    {
        $dependencies['vendor/language-ua_ua'] = [];

        $this->dependencyChecker->expects($this->once())
            ->method('checkDependencies')
            ->with(['vendor/language-ua_ua'])
            ->willReturn($dependencies);

        $this->composerInfo->expects($this->once())
            ->method('getRootRequiredPackageTypesByName')
            ->willReturn(
                [
                    'vendor/language-ua_ua' => 'magento2-language'
                ]
            );

        $this->backupRollbackFactory->expects($this->never())->method('create');
        $this->remove->expects($this->once())->method('remove');
        $this->cache->expects($this->once())->method('clean');

        $this->tester->execute(['package' => ['vendor/language-ua_ua']]);
        $this->assertContains('You are removing language package without a code backup.', $this->tester->getDisplay());
    }

    public function testExecutePackageHasDependency()
    {
        $dependencies['vendor/language-ua_ua'] = ['some/dependency'];

        $this->dependencyChecker->expects($this->once())
            ->method('checkDependencies')
            ->with(['vendor/language-ua_ua'])
            ->willReturn($dependencies);

        $this->composerInfo->expects($this->once())
            ->method('getRootRequiredPackageTypesByName')
            ->willReturn(
                [
                    'vendor/language-ua_ua' => 'magento2-language'
                ]
            );

        $this->remove->expects($this->never())->method('remove');
        $this->cache->expects($this->never())->method('clean');

        $this->tester->execute(['package' => ['vendor/language-ua_ua']]);
        $this->assertContains(
            'Package vendor/language-ua_ua has dependencies and will be skipped',
            $this->tester->getDisplay()
        );
        $this->assertContains('Nothing is removed.', $this->tester->getDisplay());
    }

    public function testExecutePackageNoLanguage()
    {
        $dependencies['vendor/language-ua_ua'] = [];

        $this->dependencyChecker->expects($this->once())
            ->method('checkDependencies')
            ->with(['vendor/language-ua_ua'])
            ->willReturn($dependencies);

        $this->composerInfo->expects($this->once())
            ->method('getRootRequiredPackageTypesByName')
            ->willReturn(
                [
                    'vendor/language-ua_ua' => 'library'
                ]
            );

        $this->remove->expects($this->never())->method('remove');
        $this->cache->expects($this->never())->method('clean');

        $this->tester->execute(['package' => ['vendor/language-ua_ua']]);
        $this->assertContains(
            'Package vendor/language-ua_ua is not a Magento language and will be skipped',
            $this->tester->getDisplay()
        );
        $this->assertContains('Nothing is removed.', $this->tester->getDisplay());
    }
}