class DateTimeTest

class DateTimeTest extends BrowserTestBase {
    use FieldUiTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'block',
        'node',
        'language',
        'field',
        'field_ui',
        'datetime',
        'options',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create admin user and log in admin user.
        $this->drupalLogin($this->drupalCreateUser([
            'administer site configuration',
            'administer content types',
            'administer nodes',
            'administer node fields',
            'administer node form display',
            'administer node display',
        ]));
        $this->drupalPlaceBlock('local_actions_block');
    }
    
    /**
     * Tests time zones and DST handling.
     */
    public function testTimeZoneHandling() : void {
        // Setup date/time settings for Honolulu time.
        $config = $this->config('system.date')
            ->set('timezone.default', 'Pacific/Honolulu')
            ->set('timezone.user.configurable', 0)
            ->save();
        DateFormat::load('medium')->setPattern('Y-m-d H:i:s O')
            ->save();
        // Create some nodes with different authored-on dates.
        $date1 = '2007-01-31 21:00:00 -1000';
        $date2 = '2007-07-31 21:00:00 -1000';
        $this->drupalCreateContentType([
            'type' => 'article',
        ]);
        $node1 = $this->drupalCreateNode([
            'created' => strtotime($date1),
            'type' => 'article',
        ]);
        $node2 = $this->drupalCreateNode([
            'created' => strtotime($date2),
            'type' => 'article',
        ]);
        // Confirm date format and time zone.
        $this->drupalGet('node/' . $node1->id());
        // Date should be identical, with GMT offset of -10 hours.
        $this->assertSession()
            ->pageTextContains('2007-01-31 21:00:00 -1000');
        $this->drupalGet('node/' . $node2->id());
        // Date should be identical, with GMT offset of -10 hours.
        $this->assertSession()
            ->pageTextContains('2007-07-31 21:00:00 -1000');
        // Set time zone to Los Angeles time.
        $config->set('timezone.default', 'America/Los_Angeles')
            ->save();
        \Drupal::entityTypeManager()->getViewBuilder('node')
            ->resetCache([
            $node1,
            $node2,
        ]);
        // Confirm date format and time zone.
        $this->drupalGet('node/' . $node1->id());
        // Date should be two hours ahead, with GMT offset of -8 hours.
        $this->assertSession()
            ->pageTextContains('2007-01-31 23:00:00 -0800');
        $this->drupalGet('node/' . $node2->id());
        // Date should be three hours ahead, with GMT offset of -7 hours.
        $this->assertSession()
            ->pageTextContains('2007-08-01 00:00:00 -0700');
    }
    
    /**
     * Tests date format configuration.
     */
    public function testDateFormatConfiguration() : void {
        // Confirm 'no custom date formats available' message appears.
        $this->drupalGet('admin/config/regional/date-time');
        // Add custom date format.
        $this->clickLink('Add format');
        $date_format_id = $this->randomMachineName(8);
        $name = ucwords($date_format_id);
        $date_format = 'd.m.Y - H:i';
        $edit = [
            'id' => $date_format_id,
            'label' => $name,
            'date_format_pattern' => $date_format,
        ];
        $this->drupalGet('admin/config/regional/date-time/formats/add');
        $this->submitForm($edit, 'Add format');
        // Verify that the user is redirected to the correct page.
        $this->assertSession()
            ->addressEquals(Url::fromRoute('entity.date_format.collection'));
        // Check that date format added confirmation message appears.
        $this->assertSession()
            ->pageTextContains('Custom date format added.');
        // Check that custom date format appears in the date format list.
        $this->assertSession()
            ->pageTextContains($name);
        // Check that the delete link for custom date format appears.
        $this->assertSession()
            ->pageTextContains('Delete');
        // Edit the custom date format and re-save without editing the format.
        $this->drupalGet('admin/config/regional/date-time');
        $this->clickLink('Edit');
        $this->submitForm([], 'Save format');
        // Verify that the user is redirected to the correct page.
        $this->assertSession()
            ->addressEquals(Url::fromRoute('entity.date_format.collection'));
        $this->assertSession()
            ->pageTextContains('Custom date format updated.');
        // Edit custom date format.
        $this->drupalGet('admin/config/regional/date-time');
        $this->clickLink('Edit');
        $edit = [
            'date_format_pattern' => 'Y m',
        ];
        $this->drupalGet($this->getUrl());
        $this->submitForm($edit, 'Save format');
        // Verify that the user is redirected to the correct page.
        $this->assertSession()
            ->addressEquals(Url::fromRoute('entity.date_format.collection'));
        $this->assertSession()
            ->pageTextContains('Custom date format updated.');
        // Delete custom date format.
        $this->clickLink('Delete');
        $this->drupalGet('admin/config/regional/date-time/formats/manage/' . $date_format_id . '/delete');
        $this->submitForm([], 'Delete');
        // Verify that the user is redirected to the correct page.
        $this->assertSession()
            ->addressEquals(Url::fromRoute('entity.date_format.collection'));
        $this->assertSession()
            ->pageTextContains("The date format {$name} has been deleted.");
        // Make sure the date does not exist in config.
        $date_format = DateFormat::load($date_format_id);
        $this->assertNull($date_format);
        // Add a new date format with an existing format.
        $date_format_id = $this->randomMachineName(8);
        $name = ucwords($date_format_id);
        $date_format = 'Y';
        $edit = [
            'id' => $date_format_id,
            'label' => $name,
            'date_format_pattern' => $date_format,
        ];
        $this->drupalGet('admin/config/regional/date-time/formats/add');
        $this->submitForm($edit, 'Add format');
        // Verify that the user is redirected to the correct page.
        $this->assertSession()
            ->addressEquals(Url::fromRoute('entity.date_format.collection'));
        $this->assertSession()
            ->pageTextContains('Custom date format added.');
        // Check that the custom date format appears in the date format list.
        $this->assertSession()
            ->pageTextContains($name);
        // Check that the delete link for custom date format appears.
        $this->assertSession()
            ->pageTextContains('Delete');
        $date_format = DateFormat::create([
            'id' => 'xss_short',
            'label' => 'XSS format',
            'pattern' => '\\<\\s\\c\\r\\i\\p\\t\\>\\a\\l\\e\\r\\t\\(\'\\X\\S\\S\'\\)\\;\\<\\/\\s\\c\\r\\i\\p\\t\\>',
        ]);
        $date_format->save();
        $this->drupalGet(Url::fromRoute('entity.date_format.collection'));
        // Ensure that the date format is properly escaped.
        $this->assertSession()
            ->assertEscaped("<script>alert('XSS');</script>");
        // Add a new date format with HTML in it.
        $date_format_id = $this->randomMachineName(8);
        $name = ucwords($date_format_id);
        $date_format = '& \\<\\e\\m\\>Y\\<\\/\\e\\m\\>';
        $edit = [
            'id' => $date_format_id,
            'label' => $name,
            'date_format_pattern' => $date_format,
        ];
        $this->drupalGet('admin/config/regional/date-time/formats/add');
        $this->submitForm($edit, 'Add format');
        // Verify that the user is redirected to the correct page.
        $this->assertSession()
            ->addressEquals(Url::fromRoute('entity.date_format.collection'));
        $this->assertSession()
            ->pageTextContains('Custom date format added.');
        // Check that the custom date format appears in the date format list.
        $this->assertSession()
            ->pageTextContains($name);
        $this->assertSession()
            ->assertEscaped('<em>' . date("Y") . '</em>');
    }
    
    /**
     * Tests handling case with invalid data in selectors (like February, 31st).
     */
    public function testEnteringDateTimeViaSelectors() : void {
        $this->drupalCreateContentType([
            'type' => 'page_with_date',
            'name' => 'Page with date',
        ]);
        $this->drupalGet('admin/structure/types/manage/page_with_date');
        $this->assertSession()
            ->statusCodeEquals(200);
        $storage_edit = [
            'field_storage[subform][settings][datetime_type]' => 'datetime',
            'field_storage[subform][cardinality]' => 'number',
            'field_storage[subform][cardinality_number]' => '1',
        ];
        $this->fieldUIAddNewField('admin/structure/types/manage/page_with_date', 'dt', 'dt', 'datetime', $storage_edit);
        $this->drupalGet('admin/structure/types/manage/page_with_date/fields');
        $this->assertSession()
            ->pageTextContains('field_dt');
        $this->drupalGet('admin/structure/types/manage/page_with_date/form-display');
        $edit = [
            'fields[field_dt][type]' => 'datetime_datelist',
            'fields[field_dt][region]' => 'content',
        ];
        $this->drupalGet('admin/structure/types/manage/page_with_date/form-display');
        $this->submitForm($edit, 'Save');
        $this->drupalLogout();
        // Now log in as a regular editor.
        $this->drupalLogin($this->drupalCreateUser([
            'create page_with_date content',
        ]));
        $this->drupalGet('node/add/page_with_date');
        $edit = [
            'title[0][value]' => 'sample doc',
            'field_dt[0][value][year]' => '2016',
            'field_dt[0][value][month]' => '2',
            'field_dt[0][value][day]' => '31',
            'field_dt[0][value][hour]' => '1',
            'field_dt[0][value][minute]' => '30',
        ];
        $this->drupalGet('node/add/page_with_date');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->pageTextContains('Selected combination of day and month is not valid.');
        $edit['field_dt[0][value][day]'] = '29';
        $this->drupalGet('node/add/page_with_date');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->pageTextNotContains('Selected combination of day and month is not valid.');
        $this->drupalGet('node/1');
        $this->assertSession()
            ->pageTextContains('Mon, 02/29/2016 - 01:30');
    }

}