function DatabaseMergeTestCase::testMergeUpdateWithoutUpdate in Drupal 7

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

File

modules/simpletest/tests/database_test.test, line 1307

Class

DatabaseMergeTestCase

Test the MERGE query builder.

Code

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