public function SelectComplexTest::testDefaultJoin in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php \Drupal\KernelTests\Core\Database\SelectComplexTest::testDefaultJoin()

Tests simple JOIN statements.

File

core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php, line 28

Class

SelectComplexTest

Tests the Select query builder with more complex queries.

Namespace

Drupal\KernelTests\Core\Database

Code

public function testDefaultJoin() {
  $query = $this->connection
    ->select('test_task', 't');
  $people_alias = $query
    ->join('test', 'p', '[t].[pid] = [p].[id]');
  $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;

  // Verify that the results are returned in the correct order.
  foreach ($result as $record) {
    $num_records++;
    $this
      ->assertGreaterThanOrEqual($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.');
}