test-timber-twig-date-filter-immutable.php

<?php

/**
 * Replicates Twig tests from twig/twig/tests/Fixtures/filters/date*.test
 *
 * @group Timber\Date
 */
class TestTimberTwigDateFilterImmutable extends Timber_UnitTestCase
{
    public function set_up()
    {
        parent::set_up();

        update_option('date_format', 'F j, Y H:i');
        update_option('timezone_string', 'Europe/Paris');

        /**
         * We deliberately do not set a different default timezone with date_default_timezone_set()
         * like they do in the Twig tests, because in a WordPress context, you shouldn’t do that.
         * Instead, we set the timezone_string in the WordPress options to Europe/Paris. On the date
         * that is being checked (2010-10-04), the time difference from Europe/Paris to UTC was +2
         * hours.
         */
    }

    public function tear_down()
    {
        update_option('timezone_string', 'UTC');

        parent::tear_down();
    }

    public function get_context()
    {
        return [
            'date1' => new \DateTimeImmutable('2010-10-04 13:45'),
            'date2' => new \DateTimeImmutable('2010-10-04 13:45', new \DateTimeZone('America/New_York')),
            'timezone1' => new \DateTimeZone('America/New_York'),
        ];
    }

    public function testDateFormat1()
    {
        $result = Timber\Timber::compile_string(
            "{{ date1|date }}",
            $this->get_context()
        );

        $this->assertEquals('October 4, 2010 15:45', $result);
    }

    public function testDateFormat2()
    {
        $result = Timber\Timber::compile_string(
            "{{ date1|date('d/m/Y') }}",
            $this->get_context()
        );

        $this->assertEquals('04/10/2010', $result);
    }

    public function testDateFormat3()
    {
        $result = Timber\Timber::compile_string(
            "{{ date1|date('d/m/Y H:i:s', 'Asia/Hong_Kong') }}",
            $this->get_context()
        );

        $this->assertEquals('04/10/2010 21:45:00', $result);
    }

    public function testDateFormat4()
    {
        $result = Timber\Timber::compile_string(
            "{{ date1|date('d/m/Y H:i:s', timezone1) }}",
            $this->get_context()
        );

        $this->assertEquals('04/10/2010 09:45:00', $result);
    }

    public function testDateFormat5()
    {
        $result = Timber\Timber::compile_string(
            "{{ date1|date('d/m/Y H:i:s') }}",
            $this->get_context()
        );

        $this->assertEquals('04/10/2010 15:45:00', $result);
    }

    public function testDateFormat6()
    {
        $result = Timber\Timber::compile_string(
            "{{ date1|date_modify('+1 hour')|date('d/m/Y H:i:s') }}",
            $this->get_context()
        );

        $this->assertEquals('04/10/2010 16:45:00', $result);
    }

    public function testDateFormat7()
    {
        $result = Timber\Timber::compile_string(
            "{{ date2|date('d/m/Y H:i:s P', 'Europe/Paris') }}",
            $this->get_context()
        );

        $this->assertEquals('04/10/2010 19:45:00 +02:00', $result);
    }

    public function testDateFormat8()
    {
        $result = Timber\Timber::compile_string(
            "{{ date2|date('d/m/Y H:i:s P', 'Asia/Hong_Kong') }}",
            $this->get_context()
        );

        $this->assertEquals('05/10/2010 01:45:00 +08:00', $result);
    }

    public function testDateFormat9()
    {
        $result = Timber\Timber::compile_string(
            "{{ date2|date('d/m/Y H:i:s P', false) }}",
            $this->get_context()
        );

        $this->assertEquals('04/10/2010 13:45:00 -04:00', $result);
    }

    public function testDateFormat10()
    {
        $result = Timber\Timber::compile_string(
            "{{ date2|date('e', 'Europe/Paris') }}",
            $this->get_context()
        );

        $this->assertEquals('Europe/Paris', $result);
    }

    public function testDateFormat11()
    {
        $result = Timber\Timber::compile_string(
            "{{ date2|date('e', false) }}",
            $this->get_context()
        );

        $this->assertEquals('America/New_York', $result);
    }
}