function TimeZoneFormHelperTest::testGetGroupedList

@covers ::getOptionsListByRegion

File

core/tests/Drupal/Tests/Core/Datetime/TimeZoneFormHelperTest.php, line 53

Class

TimeZoneFormHelperTest

@coversDefaultClass \Drupal\Core\Datetime\TimeZoneFormHelper @group Datetime

Namespace

Code

public function testGetGroupedList() : void {
    // Tests time zone grouping.
    $result = TimeZoneFormHelper::getOptionsListByRegion();
    // 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);
}