TimestampTest.php

<?php

namespace Drupal\FunctionalTests\Datetime;

use Drupal\Core\Datetime\DrupalDateTime;
use Drupal\Core\Datetime\Entity\DateFormat;
use Drupal\Core\Entity\Entity\EntityFormDisplay;
use Drupal\Core\Entity\Entity\EntityViewDisplay;
use Drupal\field\Entity\FieldConfig;
use Drupal\field\Entity\FieldStorageConfig;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests the functionality of Timestamp core field UI.
 *
 * @group field
 */
class TimestampTest extends BrowserTestBase {
    
    /**
     * An array of display options to pass to EntityDisplayRepositoryInterface::getViewDisplay().
     *
     * @var array
     */
    protected $displayOptions;
    
    /**
     * A field storage to use in this test class.
     *
     * @var \Drupal\field\Entity\FieldStorageConfig
     */
    protected $fieldStorage;
    
    /**
     * The field used in this test class.
     *
     * @var \Drupal\field\Entity\FieldConfig
     */
    protected $field;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'entity_test',
        'field_ui',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $web_user = $this->drupalCreateUser([
            'access content',
            'view test entity',
            'administer entity_test content',
            'administer entity_test form display',
            'administer content types',
            'administer node fields',
        ]);
        $this->drupalLogin($web_user);
        $field_name = 'field_timestamp';
        $type = 'timestamp';
        $widget_type = 'datetime_timestamp';
        $formatter_type = 'timestamp';
        $this->fieldStorage = FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => $type,
        ]);
        $this->fieldStorage
            ->save();
        $this->field = FieldConfig::create([
            'field_storage' => $this->fieldStorage,
            'bundle' => 'entity_test',
            'required' => TRUE,
            'description' => 'Description for timestamp field.',
        ]);
        $this->field
            ->save();
        EntityFormDisplay::load('entity_test.entity_test.default')->setComponent($field_name, [
            'type' => $widget_type,
        ])
            ->save();
        $this->displayOptions = [
            'type' => $formatter_type,
            'label' => 'hidden',
        ];
        EntityViewDisplay::create([
            'targetEntityType' => $this->field
                ->getTargetEntityTypeId(),
            'bundle' => $this->field
                ->getTargetBundle(),
            'mode' => 'full',
            'status' => TRUE,
        ])
            ->setComponent($field_name, $this->displayOptions)
            ->save();
    }
    
    /**
     * Tests the "datetime_timestamp" widget.
     */
    public function testWidget() {
        // Build up a date in the UTC timezone.
        $value = '2012-12-31 00:00:00';
        $date = new DrupalDateTime($value, 'UTC');
        // Update the timezone to the system default.
        $date->setTimezone(timezone_open(date_default_timezone_get()));
        // Display creation form.
        $this->drupalGet('entity_test/add');
        // Make sure the field description is properly displayed.
        $this->assertSession()
            ->pageTextContains('Description for timestamp field.');
        // Make sure the "datetime_timestamp" widget is on the page.
        $this->assertSession()
            ->elementsCount('xpath', '//div[contains(@class, "field--widget-datetime-timestamp") and @id="edit-field-timestamp-wrapper"]', 1);
        // Look for the widget elements and make sure they are empty.
        $this->assertSession()
            ->fieldExists('field_timestamp[0][value][date]');
        $this->assertSession()
            ->fieldValueEquals('field_timestamp[0][value][date]', '');
        $this->assertSession()
            ->fieldExists('field_timestamp[0][value][time]');
        $this->assertSession()
            ->fieldValueEquals('field_timestamp[0][value][time]', '');
        // Submit the date.
        $date_format = DateFormat::load('html_date')->getPattern();
        $time_format = DateFormat::load('html_time')->getPattern();
        $edit = [
            'field_timestamp[0][value][date]' => $date->format($date_format),
            'field_timestamp[0][value][time]' => $date->format($time_format),
        ];
        $this->submitForm($edit, 'Save');
        // Make sure the submitted date is set as the default in the widget.
        $this->assertSession()
            ->fieldExists('field_timestamp[0][value][date]');
        $this->assertSession()
            ->fieldValueEquals('field_timestamp[0][value][date]', $date->format($date_format));
        $this->assertSession()
            ->fieldExists('field_timestamp[0][value][time]');
        $this->assertSession()
            ->fieldValueEquals('field_timestamp[0][value][time]', $date->format($time_format));
        // Make sure the entity was saved.
        preg_match('|entity_test/manage/(\\d+)|', $this->getSession()
            ->getCurrentUrl(), $match);
        $id = $match[1];
        $this->assertSession()
            ->pageTextContains(sprintf('entity_test %s has been created.', $id));
        // Make sure the timestamp is output properly with the default formatter.
        $medium = DateFormat::load('medium')->getPattern();
        $this->drupalGet('entity_test/' . $id);
        $this->assertSession()
            ->pageTextContains($date->format($medium));
    }

}