WP-LIT-MCP/tests/Unit/Integrations/Divi/DiviIntegrationTest.php

<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\Divi;

use Brain\Monkey\Functions;
use LIT\MCP\Abilities\Ability;
use LIT\MCP\Integrations\Divi\DiviIntegration;
use LIT\MCP\Integrations\Divi\Pages\DiviContentComposer;
use LIT\MCP\Integrations\WordPress\Schema\ContentSchema;
use LIT\MCP\Tests\Support\FakeChangeLog;
use LIT\MCP\Tests\Support\LibraryFixtures;
use LIT\MCP\Tests\Unit\TestCase;
use Mockery;
use WP_Error;

final class DiviIntegrationTest extends TestCase
{
    /** Grows with every task that adds Divi abilities – keep in the order of abilities(). */
    private const EXPECTED = [
        'lit/divi-outline',
        'lit/divi-node-get',
        'lit/divi-catalog',
        'lit/divi-design-system',
        'lit/divi-insert',
        'lit/divi-update',
        'lit/divi-move',
        'lit/divi-delete',
        'lit/divi-duplicate-node',
        'lit/divi-replace-text',
        'lit/divi-node-copy',
        'lit/divi-dynamic-sources',
    ];

    public function testProvidesTheDiviAbilitiesOnlyWithDivi5(): void
    {
        $integration = new DiviIntegration(Mockery::mock(ContentSchema::class), FakeChangeLog::forbidden());

        self::assertSame('divi', $integration->id());
        self::assertFalse($integration->isAvailable(), 'no Divi classes in unit tests');
        self::assertSame(
            self::EXPECTED,
            array_map(static fn (Ability $ability): string => $ability->name(), $integration->abilities())
        );

        foreach ($integration->abilities() as $ability) {
            self::assertSame('object', $ability->inputSchema()['type'], $ability->name());
            self::assertFalse($ability->inputSchema()['additionalProperties'], $ability->name());
            self::assertNotNull($ability->outputSchema(), $ability->name());
        }
    }

    public function testProvidesTheLibraryGroup(): void
    {
        Functions\when('__')->returnArg();
        $library = (new DiviIntegration(Mockery::mock(ContentSchema::class), FakeChangeLog::forbidden()))->library();

        self::assertSame('divi-library', $library->id());
        self::assertSame('Divi-Bibliothek', $library->label());
        self::assertFalse($library->isAvailable(), 'no Divi classes in unit tests');
        self::assertSame(
            [
                'lit/library-list',
                'lit/library-save',
                'lit/library-insert',
                'lit/library-find-similar',
                'lit/library-make-global',
            ],
            array_map(static fn (Ability $ability): string => $ability->name(), $library->abilities())
        );
        foreach ($library->abilities() as $ability) {
            self::assertFalse($ability->inputSchema()['additionalProperties'], $ability->name());
            self::assertNotNull($ability->outputSchema(), $ability->name());
        }
    }

    public function testProvidesTheThemeBuilderGroup(): void
    {
        Functions\when('__')->returnArg();
        $group = (new DiviIntegration(Mockery::mock(ContentSchema::class), FakeChangeLog::forbidden()))->themeBuilder();

        self::assertSame('divi-theme-builder', $group->id());
        self::assertSame('Divi Theme Builder', $group->label());
        self::assertFalse($group->isAvailable(), 'no Divi classes in unit tests');
        self::assertSame(
            ['lit/tb-list', 'lit/tb-create-template', 'lit/tb-assign', 'lit/tb-activate'],
            array_map(static fn (Ability $ability): string => $ability->name(), $group->abilities())
        );
        foreach ($group->abilities() as $ability) {
            self::assertFalse($ability->inputSchema()['additionalProperties'], $ability->name());
            self::assertNotNull($ability->outputSchema(), $ability->name());
            self::assertFalse($ability->isDirect(), $ability->name());
        }
    }

    /**
     * Review I-2 (ruling Q17 M1): the library usages follow the Theme Builder access – without it (here: no Divi
     * role check in unit tests, so canUse() fails) TB layouts are counted and block, never named.
     * ThemeBuilderAccessTest covers usageState() itself.
     */
    public function testGlobalUsagesFollowTheThemeBuilderAccess(): void
    {
        Functions\when('current_user_can')->justReturn(true);
        Functions\when('get_post')->justReturn(null);
        Functions\when('_get_non_cached_ids')->returnArg(1);
        Functions\when('_prime_post_caches')->justReturn(null);
        Functions\when('wp_cache_delete')->justReturn(true);
        $db = Mockery::mock(\wpdb::class)->makePartial();
        $db->allows('get_results')->andReturnUsing(static fn (string $sql): array => str_contains($sql, 'post_content FROM')
            ? [
                ['ID' => '1053', 'post_content' => '<!-- wp:divi/global-layout {"globalModule":"1058"} /-->'],
                ['ID' => '1061', 'post_content' => '<!-- wp:divi/global-layout {"globalModule":"1058"} /-->'],
            ]
            : [
                ['ID' => '1053', 'post_status' => 'publish', 'post_type' => 'page'],
                ['ID' => '1061', 'post_status' => 'publish', 'post_type' => 'et_header_layout'],
            ]);

        $report = (new DiviIntegration(Mockery::mock(ContentSchema::class), FakeChangeLog::forbidden()))
            ->globalUsages($db)
            ->report(1058);

        self::assertSame([1053], array_column($report->items, 'post_id'));
        self::assertSame([], $report->blocked);
        self::assertSame(1, $report->blockedHidden);
    }

    /** Ruling P9 (E9): lit/divi-node-copy follows lit/divi-insert's Tools-tab state. */
    public function testNodeCopyFollowsLitDiviInsert(): void
    {
        $integration = new DiviIntegration(
            Mockery::mock(ContentSchema::class),
            FakeChangeLog::forbidden(),
            diviWritable: static fn (): bool => false
        );
        $copy = null;
        foreach ($integration->abilities() as $ability) {
            if ($ability->name() === 'lit/divi-node-copy') {
                $copy = $ability;
            }
        }

        self::assertNotNull($copy);
        self::assertToolError($copy->permission(['post_id' => 7, 'source_post_id' => 8]), 'unsupported');
    }

    public function testGivesContentCreateTheDiviShortForm(): void
    {
        $integration = new DiviIntegration(Mockery::mock(ContentSchema::class), FakeChangeLog::forbidden());

        $composer = $integration->contentComposer();

        self::assertInstanceOf(DiviContentComposer::class, $composer);
        self::assertFalse($composer->available(), 'no Divi classes in unit tests');
    }

    /** E1/E3: the Divi read tools reach library entries; ruling P9: a hidden library leaves them not found. */
    public function testTheReadToolsReachTheLibraryUnlessItIsHidden(): void
    {
        LibraryFixtures::given([LibraryFixtures::item(1055)]);
        $schema = Mockery::mock(ContentSchema::class);
        $schema->allows('isManaged')->andReturn(false);
        $outline = static fn (DiviIntegration $divi): mixed => $divi->abilities()[0]->permission(['post_id' => 1055]);

        // No Divi in unit tests: DiviRoles allows nothing, so the entry is not found either way (ruling P12);
        // the wiring shows in which gate the integration asks.
        $asked = 0;
        $visible = new DiviIntegration($schema, FakeChangeLog::forbidden(), null, static function () use (&$asked): bool {
            ++$asked;

            return true;
        });
        self::assertToolError($outline($visible), 'not_found');
        self::assertSame(1, $asked);
        self::assertToolError($outline(new DiviIntegration($schema, FakeChangeLog::forbidden())), 'not_found');

        $hidden = new DiviIntegration($schema, FakeChangeLog::forbidden(), libraryVisible: static fn (): bool => false);
        $refusal = $outline($hidden);
        self::assertInstanceOf(WP_Error::class, $refusal);
        self::assertToolError($refusal, 'not_found');
    }

    /**
     * Ruling P13: library IDs follow the integration's library access – hidden with the group disabled
     * and without the library right (no Divi in unit tests: DiviRoles allows nothing). The positive
     * cases, "nur lesen" included, are in LibraryAccessTest (defining et_pb_is_allowed here would leak).
     */
    public function testLibraryIdsFollowTheLibraryAccess(): void
    {
        LibraryFixtures::given([]);
        $schema = Mockery::mock(ContentSchema::class);
        $asked = 0;
        $hidden = new DiviIntegration($schema, FakeChangeLog::forbidden(), libraryVisible: static function () use (&$asked): bool {
            ++$asked;

            return false;
        });

        self::assertFalse($hidden->libraryIdsVisible());
        self::assertSame(1, $asked);
        self::assertFalse((new DiviIntegration($schema, FakeChangeLog::forbidden()))->libraryIdsVisible());
    }
}