MigrationConfigurationTraitTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\migrate_drupal\Unit;

use Drupal\Core\Database\DatabaseExceptionWrapper;
use Drupal\migrate_drupal\MigrationConfigurationTrait;
use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\migrate_drupal\MigrationConfigurationTrait
 * @group migrate_drupal
 */
class MigrationConfigurationTraitTest extends UnitTestCase {
    
    /**
     * @covers ::getLegacyDrupalVersion
     * @dataProvider providerTestGetLegacyDrupalVersion
     */
    public function testGetLegacyDrupalVersion($expected_version_string, $schema_version, $exception, $system_table_exists) : void {
        if ($schema_version) {
            $statement = $this->createMock('\\Drupal\\Core\\Database\\StatementInterface');
            $statement->expects($this->any())
                ->method('fetchField')
                ->willReturn($schema_version);
        }
        $schema = $this->createMock('\\Drupal\\Core\\Database\\Schema');
        $schema->expects($this->once())
            ->method('tableExists')
            ->willReturn($system_table_exists);
        $connection = $this->getMockBuilder('Drupal\\Core\\Database\\Connection')
            ->disableOriginalConstructor()
            ->getMock();
        if ($exception) {
            $connection->expects($this->any())
                ->method('query')
                ->willThrowException($exception);
        }
        else {
            $connection->expects($this->any())
                ->method('query')
                ->willReturn($statement);
        }
        $connection->expects($this->any())
            ->method('schema')
            ->willReturn($schema);
        $actual_version_string = TestMigrationConfigurationTrait::getLegacyDrupalVersion($connection);
        $this->assertSame($expected_version_string, $actual_version_string);
    }
    
    /**
     * Provides data for testGetLegacyDrupalVersion.
     */
    public static function providerTestGetLegacyDrupalVersion() {
        return [
            'D5' => [
                'expected_version_string' => '5',
                'schema_version' => '1678',
                'exception' => NULL,
                'system_table_exists' => TRUE,
            ],
            'D6' => [
                'expected_version_string' => '6',
                'schema_version' => '6057',
                'exception' => NULL,
                'system_table_exists' => TRUE,
            ],
            'D7' => [
                'expected_version_string' => '7',
                'schema_version' => '7065',
                'exception' => NULL,
                'system_table_exists' => TRUE,
            ],
            'D8' => [
                'expected_version_string' => FALSE,
                'schema_version' => serialize('8976'),
                'exception' => NULL,
                'system_table_exists' => FALSE,
            ],
            'D9' => [
                'expected_version_string' => FALSE,
                'schema_version' => serialize('9270'),
                'exception' => NULL,
                'system_table_exists' => FALSE,
            ],
            'D10' => [
                'expected_version_string' => FALSE,
                'schema_version' => serialize('10101'),
                'exception' => NULL,
                'system_table_exists' => FALSE,
            ],
            'Not drupal' => [
                'expected_version_string' => FALSE,
                'schema_version' => "not drupal I guess",
                'exception' => NULL,
                'system_table_exists' => FALSE,
            ],
            'D5 almost' => [
                'expected_version_string' => FALSE,
                'schema_version' => '123',
                'exception' => NULL,
                'system_table_exists' => TRUE,
            ],
            'D5/6/7 Exception' => [
                'expected_version_string' => FALSE,
                'schema_version' => NULL,
                'exception' => new DatabaseExceptionWrapper(),
                'system_table_exists' => TRUE,
            ],
            'D8/9 Exception' => [
                'expected_version_string' => FALSE,
                'schema_version' => NULL,
                'exception' => new DatabaseExceptionWrapper(),
                'system_table_exists' => FALSE,
            ],
        ];
    }

}

/**
 * Test class that uses the trait we are testing.
 */
class TestMigrationConfigurationTrait {
    use MigrationConfigurationTrait;

}