function SelectTest::testSimpleSelectExpression

Tests SELECT statements with expressions.

File

core/tests/Drupal/KernelTests/Core/Database/SelectTest.php, line 129

Class

SelectTest

Tests the Select query builder.

Namespace

Code

public function testSimpleSelectExpression() : void {
    $query = $this->connection
        ->select('test');
    $name_field = $query->addField('test', 'name');
    $age_field = $query->addExpression("[age]*2", 'double_age');
    $query->condition('age', 27);
    $result = $query->execute();
    // Check that the aliases are being created the way we want.
    $this->assertEquals('name', $name_field, 'Name field alias is correct.');
    $this->assertEquals('double_age', $age_field, 'Age field alias is correct.');
    // Ensure that we got the right record.
    $record = $result->fetch();
    $this->assertEquals('George', $record->{$name_field}, 'Fetched name is correct.');
    $this->assertEquals(27 * 2, $record->{$age_field}, 'Fetched age expression is correct.');
}