WP-LIT-MCP/tests/Unit/Integrations/WordPress/Status/PostScheduleAbilityTest.php

<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\WordPress\Status;

use Brain\Monkey\Functions;
use DateTimeZone;
use LIT\MCP\Abilities\WriteFailed;
use LIT\MCP\ChangeLog\ChangeLog;
use LIT\MCP\Integrations\WordPress\Status\PostScheduleAbility;
use LIT\MCP\Tests\Support\FakeChangeLog;
use LIT\MCP\Tests\Support\SchemaFixture;
use LIT\MCP\Tests\Unit\TestCase;
use RuntimeException;
use WP_Post;

final class PostScheduleAbilityTest extends TestCase
{
    protected function setUp(): void
    {
        parent::setUp();
        Functions\when('get_post')->justReturn(new WP_Post(['ID' => 5, 'post_type' => 'post', 'post_title' => 'News', 'post_status' => 'draft']));
        Functions\when('current_user_can')->justReturn(true);
        Functions\when('wp_timezone')->justReturn(new DateTimeZone('Europe/Berlin'));
        Functions\when('get_preview_post_link')->justReturn('https://kunde.de/?p=5&preview=true');
        Functions\when('get_edit_post_link')->justReturn('https://kunde.de/wp-admin/post.php?post=5&action=edit');
    }

    private function ability(ChangeLog $log): PostScheduleAbility
    {
        $schema = SchemaFixture::managed();

        return new PostScheduleAbility($schema, $log);
    }

    public function testSchedulesWithLocalAndGmtDates(): void
    {
        Functions\expect('wp_update_post')->once()->with([
            'ID' => 5,
            'post_status' => 'future',
            'post_date' => '2099-06-01 09:30:00',
            'post_date_gmt' => '2099-06-01 07:30:00',
            'edit_date' => true,
        ], true)->andReturn(5);
        Functions\when('get_post_status')->justReturn('future');
        $log = new FakeChangeLog(4);

        $result = $this->ability($log)->execute(['post_id' => 5, 'date' => '2099-06-01 09:30']);

        self::assertSame('scheduled', $result['changed'][0]['action']);
        self::assertStringContainsString('2099-06-01 09:30', $result['summary']);
        $log->assertRecorded([]);
    }

    public function testWarnsThatAPrivatePostBecomesPublic(): void
    {
        Functions\when('get_post')->justReturn(new WP_Post(['ID' => 5, 'post_type' => 'post', 'post_title' => 'Intern', 'post_status' => 'private']));
        Functions\when('wp_update_post')->justReturn(5);
        Functions\when('get_post_status')->justReturn('future');
        $log = new FakeChangeLog(4);

        $result = $this->ability($log)->execute(['post_id' => 5, 'date' => '2099-06-01 09:30']);

        self::assertCount(1, $result['warnings']);
        self::assertStringContainsString('ÖFFENTLICH', $result['warnings'][0]);
        self::assertStringContainsString('2099-06-01 09:30', $result['warnings'][0]);
    }

    public function testADraftGetsNoPrivacyWarning(): void
    {
        Functions\when('wp_update_post')->justReturn(5);
        Functions\when('get_post_status')->justReturn('future');
        $log = new FakeChangeLog(4);

        $result = $this->ability($log)->execute(['post_id' => 5, 'date' => '2099-06-01 09:30']);

        self::assertSame([], $result['warnings']);
    }

    public function testAHookThrowingDuringTheWriteIsAPartialWrite(): void
    {
        Functions\when('wp_update_post')->alias(static function (): void {
            throw new RuntimeException('save_post-Hook kaputt');
        });
        $log = FakeChangeLog::partialsOnly();

        try {
            $this->ability($log)->execute(['post_id' => 5, 'date' => '2099-06-01 09:30']);
            self::fail('WriteFailed expected');
        } catch (WriteFailed $e) {
            self::assertFalse($e->rolledBack);
            self::assertSame(5, $e->postId);
            self::assertStringContainsString('save_post-Hook kaputt', $e->getMessage());
            self::assertToolError($e->toError(), 'partial_write');
        }
        $log->assertPartials(['ability' => 'lit/post-schedule', 'object_type' => 'post', 'object_id' => '5']);
    }

    public function testATrashedPostIsRefused(): void
    {
        Functions\when('get_post')->justReturn(new WP_Post(['ID' => 5, 'post_type' => 'post', 'post_status' => 'trash']));
        Functions\expect('wp_update_post')->never();

        $result = $this->ability(FakeChangeLog::forbidden())->execute(['post_id' => 5, 'date' => '2099-06-01 09:30']);

        self::assertToolError($result, 'validation_failed');
    }

    public function testPastAndImpossibleDatesAreRejected(): void
    {
        Functions\expect('wp_update_post')->never();
        $ability = $this->ability(FakeChangeLog::forbidden());

        $past = $ability->execute(['post_id' => 5, 'date' => '2020-01-01 10:00']);
        $impossible = $ability->execute(['post_id' => 5, 'date' => '2099-13-45 10:00']);

        self::assertToolError($past, 'validation_failed');
        self::assertStringContainsString('Zukunft', $past->get_error_message());
        self::assertToolError($impossible, 'validation_failed');
    }

    public function testADateWithinTheNextMinuteIsRejectedBecauseWordPressWouldPublishAtOnce(): void
    {
        Functions\expect('wp_update_post')->never();
        // The start of the next minute: always in the future, but at most 60 seconds away.
        $soon = (new \DateTimeImmutable('@' . (intdiv(time(), 60) * 60 + 60)))
            ->setTimezone(new DateTimeZone('Europe/Berlin'));
        Functions\when('get_post_status')->justReturn('future');

        $result = $this->ability(FakeChangeLog::forbidden())
            ->execute(['post_id' => 5, 'date' => $soon->format('Y-m-d H:i')]);

        self::assertToolError($result, 'validation_failed');
    }
}