function MergeTest::testMergeUpdateWithoutUpdate

Confirms that we can merge-update without any update fields.

File

core/tests/Drupal/KernelTests/Core/Database/MergeTest.php, line 166

Class

MergeTest

Tests the MERGE query builder.

Namespace

Code

public function testMergeUpdateWithoutUpdate() {
    $num_records_before = $this->connection
        ->query('SELECT COUNT(*) FROM {test_people}')
        ->fetchField();
    $this->connection
        ->merge('test_people')
        ->key('job', 'Speaker')
        ->execute();
    $num_records_after = $this->connection
        ->query('SELECT COUNT(*) FROM {test_people}')
        ->fetchField();
    $this->assertEquals($num_records_before, $num_records_after, 'Merge skipped properly.');
    $person = $this->connection
        ->query('SELECT * FROM {test_people} WHERE [job] = :job', [
        ':job' => 'Speaker',
    ])
        ->fetch();
    $this->assertEquals('Meredith', $person->name, 'Name skipped correctly.');
    $this->assertEquals(30, $person->age, 'Age skipped correctly.');
    $this->assertEquals('Speaker', $person->job, 'Job skipped correctly.');
    $this->connection
        ->merge('test_people')
        ->key('job', 'Speaker')
        ->insertFields([
        'age' => 31,
    ])
        ->execute();
    $num_records_after = $this->connection
        ->query('SELECT COUNT(*) FROM {test_people}')
        ->fetchField();
    $this->assertEquals($num_records_before, $num_records_after, 'Merge skipped properly.');
    $person = $this->connection
        ->query('SELECT * FROM {test_people} WHERE [job] = :job', [
        ':job' => 'Speaker',
    ])
        ->fetch();
    $this->assertEquals('Meredith', $person->name, 'Name skipped correctly.');
    $this->assertEquals(30, $person->age, 'Age skipped correctly.');
    $this->assertEquals('Speaker', $person->job, 'Job skipped correctly.');
}