class QueryTest

class QueryTest extends UnitTestCase {
    
    /**
     * The query object.
     *
     * @var \Drupal\Core\Entity\Query\Sql\Query
     */
    protected $query;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $entity_type = new EntityType([
            'id' => 'example_entity_query',
        ]);
        $conjunction = 'AND';
        $connection = $this->getMockBuilder('Drupal\\Core\\Database\\Connection')
            ->disableOriginalConstructor()
            ->getMock();
        $namespaces = [
            'Drupal\\Core\\Entity\\Query\\Sql',
        ];
        $this->query = new Query($entity_type, $conjunction, $connection, $namespaces);
    }
    
    /**
     * Tests entity query for entity type without base table.
     *
     * @covers ::prepare
     */
    public function testNoBaseTable() {
        $this->expectException(QueryException::class);
        $this->expectExceptionMessage('No base table for example_entity_query, invalid query.');
        $this->query
            ->execute();
    }
    
    /**
     * Tests revision entity query for entity type without revision table.
     *
     * @covers ::prepare
     */
    public function testNoRevisionTable() {
        $this->expectException(QueryException::class);
        $this->expectExceptionMessage('No revision table for example_entity_query, invalid query.');
        $this->query
            ->allRevisions()
            ->execute();
    }

}