public function TimezoneTest::testSystemTimeZones in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Kernel/Timezone/TimezoneTest.php \Drupal\Tests\system\Kernel\Timezone\TimezoneTest::testSystemTimeZones()
2. 10 core/modules/system/tests/src/Kernel/Timezone/TimezoneTest.php \Drupal\Tests\system\Kernel\Timezone\TimezoneTest::testSystemTimeZones()

Tests system_time_zones().

File

core/modules/system/tests/src/Kernel/Timezone/TimezoneTest.php, line 19

Class

TimezoneTest

Test coverage for time zone handling.

Namespace

Drupal\Tests\system\Kernel\Timezone

Code

public function testSystemTimeZones() {

  // Test the default parameters for system_time_zones().
  $result = system_time_zones();
  $this
    ->assertIsArray($result);
  $this
    ->assertArrayHasKey('Africa/Dar_es_Salaam', $result);
  $this
    ->assertEquals('Africa/Dar es Salaam', $result['Africa/Dar_es_Salaam']);

  // Tests time zone grouping.
  $result = system_time_zones(NULL, TRUE);

  // Check a two-level time zone.
  $this
    ->assertIsArray($result);
  $this
    ->assertArrayHasKey('Africa', $result);
  $this
    ->assertArrayHasKey('Africa/Dar_es_Salaam', $result['Africa']);
  $this
    ->assertEquals('Dar es Salaam', $result['Africa']['Africa/Dar_es_Salaam']);

  // Check a three level time zone.
  $this
    ->assertArrayHasKey('America', $result);
  $this
    ->assertArrayHasKey('America/Indiana/Indianapolis', $result['America']);
  $this
    ->assertEquals('Indianapolis (Indiana)', $result['America']['America/Indiana/Indianapolis']);

  // Make sure grouping hasn't erroneously created an entry with just the
  // first and second levels.
  $this
    ->assertArrayNotHasKey('America/Indiana', $result['America']);

  // Make sure grouping hasn't duplicated an entry with just the first and
  // third levels.
  $this
    ->assertArrayNotHasKey('America/Indianapolis', $result['America']);

  // Make sure that a grouped item isn't duplicated at the top level of the
  // results array.
  $this
    ->assertArrayNotHasKey('America/Indiana/Indianapolis', $result);

  // Test that the ungrouped and grouped results have the same number of
  // items.
  $ungrouped_count = count(system_time_zones());
  $grouped_result = system_time_zones(NULL, TRUE);
  $grouped_count = 0;
  array_walk_recursive($grouped_result, function () use (&$grouped_count) {
    $grouped_count++;
  });
  $this
    ->assertEquals($ungrouped_count, $grouped_count);
}