function SelectComplexTest::testJoinConditionObject

Tests that join conditions can use Condition objects.

File

core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php, line 405

Class

SelectComplexTest

Tests the Select query builder with more complex queries.

Namespace

Code

public function testJoinConditionObject() : void {
    // Same test as testDefaultJoin, but with a Condition object.
    $query = $this->connection
        ->select('test_task', 't');
    $join_cond = $this->connection
        ->condition('AND')
        ->where('[t].[pid] = [p].[id]');
    $people_alias = $query->join('test', 'p', $join_cond);
    $name_field = $query->addField($people_alias, 'name', 'name');
    $query->addField('t', 'task', 'task');
    $priority_field = $query->addField('t', 'priority', 'priority');
    $query->orderBy($priority_field);
    $result = $query->execute();
    $num_records = 0;
    $last_priority = 0;
    foreach ($result as $record) {
        $num_records++;
        // Verify that the results are returned in the correct order.
        $this->assertGreaterThanOrEqual($last_priority, $record->{$priority_field});
        $this->assertNotSame('Ringo', $record->{$name_field}, 'Taskless person not selected.');
        $last_priority = $record->{$priority_field};
    }
    $this->assertEquals(7, $num_records, 'Returned the correct number of rows.');
    // Test a condition object that creates placeholders.
    $t1_name = 'John';
    $t2_name = 'George';
    $join_cond = $this->connection
        ->condition('AND')
        ->condition('t1.name', $t1_name)
        ->condition('t2.name', $t2_name);
    $query = $this->connection
        ->select('test', 't1');
    $query->innerJoin('test', 't2', $join_cond);
    $query->addField('t1', 'name', 't1_name');
    $query->addField('t2', 'name', 't2_name');
    $num_records = $query->countQuery()
        ->execute()
        ->fetchField();
    $this->assertEquals(1, $num_records, 'Query expected to return 1 row. Actual: ' . $num_records);
    if ($num_records == 1) {
        $record = $query->execute()
            ->fetchObject();
        $this->assertEquals($t1_name, $record->t1_name, 'Query expected to retrieve name ' . $t1_name . ' from table t1. Actual: ' . $record->t1_name);
        $this->assertEquals($t2_name, $record->t2_name, 'Query expected to retrieve name ' . $t2_name . ' from table t2. Actual: ' . $record->t2_name);
    }
}