fedi-feed-router/backend/tests/Unit/Modules/Lemmy/Services/LemmyPublisherTest.php

<?php

namespace Tests\Unit\Modules\Lemmy\Services;

use App\Enums\PlatformEnum;
use App\Exceptions\PlatformAuthException;
use App\Models\Article;
use App\Models\PlatformAccount;
use App\Models\PlatformChannel;
use App\Models\PlatformInstance;
use App\Modules\Lemmy\Services\LemmyApiService;
use App\Modules\Lemmy\Services\LemmyPublisher;
use App\Services\Auth\LemmyAuthService;
use Exception;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Queue;
use Mockery;
use Tests\TestCase;

class LemmyPublisherTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();
        Queue::fake();
        Http::fake();
    }

    protected function tearDown(): void
    {
        Mockery::close();
        parent::tearDown();
    }

    public function test_constructor_creates_api_service(): void
    {
        $account = PlatformAccount::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'instance_url' => 'https://lemmy.test'
        ]);

        $publisher = new LemmyPublisher($account);
        
        $this->assertInstanceOf(LemmyPublisher::class, $publisher);
    }

    public function test_publish_to_channel_with_minimal_data(): void
    {
        $account = PlatformAccount::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'instance_url' => 'https://lemmy.test',
            'username' => 'testuser',
            'password' => 'testpass'
        ]);

        $article = Article::factory()->create([
            'url' => 'https://example.com/article'
        ]);

        $instance = PlatformInstance::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'url' => 'https://lemmy.test'
        ]);
        
        $channel = PlatformChannel::factory()->create([
            'platform_instance_id' => $instance->id,
            'channel_id' => 123,
            'name' => 'testcommunity'
        ]);

        $extractedData = [
            'title' => 'Test Article',
            'description' => 'Test Description'
        ];

        $expectedResult = [
            'post_view' => [
                'post' => [
                    'id' => 456,
                    'name' => 'Test Article'
                ]
            ]
        ];

        // Mock LemmyAuthService
        $this->mock(LemmyAuthService::class, function ($mock) use ($account) {
            $mock->shouldReceive('getToken')
                ->once()
                ->with($account)
                ->andReturn('test-jwt-token');
        });

        // Mock LemmyApiService
        $apiServiceMock = Mockery::mock(LemmyApiService::class);
        $apiServiceMock->shouldReceive('createPost')
            ->once()
            ->with(
                'test-jwt-token',
                'Test Article',
                'Test Description',
                123,
                'https://example.com/article',
                null,
                null
            )
            ->andReturn($expectedResult);

        // Use reflection to replace the api service in the publisher
        $publisher = new LemmyPublisher($account);
        $reflection = new \ReflectionClass($publisher);
        $apiProperty = $reflection->getProperty('api');
        $apiProperty->setAccessible(true);
        $apiProperty->setValue($publisher, $apiServiceMock);

        $result = $publisher->publishToChannel($article, $extractedData, $channel);

        $this->assertEquals($expectedResult, $result);
    }

    public function test_publish_to_channel_with_all_optional_data(): void
    {
        $account = PlatformAccount::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'instance_url' => 'https://lemmy.test',
            'username' => 'testuser',
            'password' => 'testpass'
        ]);

        $article = Article::factory()->create([
            'url' => 'https://example.com/article'
        ]);

        $instance = PlatformInstance::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'url' => 'https://lemmy.test'
        ]);
        
        $channel = PlatformChannel::factory()->create([
            'platform_instance_id' => $instance->id,
            'channel_id' => 123,
            'name' => 'testcommunity'
        ]);

        $extractedData = [
            'title' => 'Test Article',
            'description' => 'Test Description',
            'thumbnail' => 'https://example.com/thumb.jpg',
            'language_id' => 2
        ];

        $expectedResult = [
            'post_view' => [
                'post' => [
                    'id' => 456,
                    'name' => 'Test Article'
                ]
            ]
        ];

        // Mock LemmyAuthService
        $this->mock(LemmyAuthService::class, function ($mock) use ($account) {
            $mock->shouldReceive('getToken')
                ->once()
                ->with($account)
                ->andReturn('test-jwt-token');
        });

        // Mock LemmyApiService
        $apiServiceMock = Mockery::mock(LemmyApiService::class);
        $apiServiceMock->shouldReceive('createPost')
            ->once()
            ->with(
                'test-jwt-token',
                'Test Article',
                'Test Description',
                123,
                'https://example.com/article',
                'https://example.com/thumb.jpg',
                2
            )
            ->andReturn($expectedResult);

        // Use reflection to replace the api service in the publisher
        $publisher = new LemmyPublisher($account);
        $reflection = new \ReflectionClass($publisher);
        $apiProperty = $reflection->getProperty('api');
        $apiProperty->setAccessible(true);
        $apiProperty->setValue($publisher, $apiServiceMock);

        $result = $publisher->publishToChannel($article, $extractedData, $channel);

        $this->assertEquals($expectedResult, $result);
    }

    public function test_publish_to_channel_with_missing_title_uses_default(): void
    {
        $this->expectNotToPerformAssertions();
        
        $account = PlatformAccount::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'instance_url' => 'https://lemmy.test',
            'username' => 'testuser',
            'password' => 'testpass'
        ]);

        $article = Article::factory()->create([
            'url' => 'https://example.com/article'
        ]);

        $instance = PlatformInstance::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'url' => 'https://lemmy.test'
        ]);
        
        $channel = PlatformChannel::factory()->create([
            'platform_instance_id' => $instance->id,
            'channel_id' => 123,
            'name' => 'testcommunity'
        ]);

        $extractedData = [
            'description' => 'Test Description'
        ];

        // Mock LemmyAuthService
        $this->mock(LemmyAuthService::class, function ($mock) use ($account) {
            $mock->shouldReceive('getToken')
                ->once()
                ->with($account)
                ->andReturn('test-jwt-token');
        });

        // Mock LemmyApiService
        $apiServiceMock = Mockery::mock(LemmyApiService::class);
        $apiServiceMock->shouldReceive('createPost')
            ->once()
            ->with(
                'test-jwt-token',
                'Untitled',
                'Test Description',
                123,
                'https://example.com/article',
                null,
                null
            )
            ->andReturn([]);

        // Use reflection to replace the api service in the publisher
        $publisher = new LemmyPublisher($account);
        $reflection = new \ReflectionClass($publisher);
        $apiProperty = $reflection->getProperty('api');
        $apiProperty->setAccessible(true);
        $apiProperty->setValue($publisher, $apiServiceMock);

        $publisher->publishToChannel($article, $extractedData, $channel);
    }

    public function test_publish_to_channel_with_missing_description_uses_default(): void
    {
        $this->expectNotToPerformAssertions();
        
        $account = PlatformAccount::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'instance_url' => 'https://lemmy.test',
            'username' => 'testuser',
            'password' => 'testpass'
        ]);

        $article = Article::factory()->create([
            'url' => 'https://example.com/article'
        ]);

        $instance = PlatformInstance::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'url' => 'https://lemmy.test'
        ]);
        
        $channel = PlatformChannel::factory()->create([
            'platform_instance_id' => $instance->id,
            'channel_id' => 123,
            'name' => 'testcommunity'
        ]);

        $extractedData = [
            'title' => 'Test Title'
        ];

        // Mock LemmyAuthService
        $this->mock(LemmyAuthService::class, function ($mock) use ($account) {
            $mock->shouldReceive('getToken')
                ->once()
                ->with($account)
                ->andReturn('test-jwt-token');
        });

        // Mock LemmyApiService
        $apiServiceMock = Mockery::mock(LemmyApiService::class);
        $apiServiceMock->shouldReceive('createPost')
            ->once()
            ->with(
                'test-jwt-token',
                'Test Title',
                '',
                123,
                'https://example.com/article',
                null,
                null
            )
            ->andReturn([]);

        // Use reflection to replace the api service in the publisher
        $publisher = new LemmyPublisher($account);
        $reflection = new \ReflectionClass($publisher);
        $apiProperty = $reflection->getProperty('api');
        $apiProperty->setAccessible(true);
        $apiProperty->setValue($publisher, $apiServiceMock);

        $publisher->publishToChannel($article, $extractedData, $channel);
    }

    public function test_publish_to_channel_throws_platform_auth_exception_when_auth_fails(): void
    {
        $account = PlatformAccount::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'instance_url' => 'https://lemmy.test',
            'username' => 'testuser',
            'password' => 'testpass'
        ]);

        $article = Article::factory()->create();
        $channel = PlatformChannel::factory()->create();
        $extractedData = ['title' => 'Test', 'description' => 'Test'];

        // Mock LemmyAuthService to throw exception
        $this->mock(LemmyAuthService::class, function ($mock) use ($account) {
            $mock->shouldReceive('getToken')
                ->once()
                ->with($account)
                ->andThrow(new PlatformAuthException(PlatformEnum::LEMMY, 'Auth failed'));
        });

        $publisher = new LemmyPublisher($account);

        $this->expectException(PlatformAuthException::class);
        $this->expectExceptionMessage('Auth failed');

        $publisher->publishToChannel($article, $extractedData, $channel);
    }

    public function test_publish_to_channel_throws_exception_when_create_post_fails(): void
    {
        $account = PlatformAccount::factory()->create([
            'platform' => PlatformEnum::LEMMY,
            'instance_url' => 'https://lemmy.test',
            'username' => 'testuser',
            'password' => 'testpass'
        ]);

        $article = Article::factory()->create();
        $channel = PlatformChannel::factory()->create();
        $extractedData = ['title' => 'Test', 'description' => 'Test'];

        // Mock LemmyAuthService
        $this->mock(LemmyAuthService::class, function ($mock) use ($account) {
            $mock->shouldReceive('getToken')
                ->once()
                ->with($account)
                ->andReturn('test-jwt-token');
        });

        // Mock LemmyApiService to throw exception
        $apiServiceMock = Mockery::mock(LemmyApiService::class);
        $apiServiceMock->shouldReceive('createPost')
            ->once()
            ->andThrow(new Exception('Post creation failed'));

        // Use reflection to replace the api service in the publisher
        $publisher = new LemmyPublisher($account);
        $reflection = new \ReflectionClass($publisher);
        $apiProperty = $reflection->getProperty('api');
        $apiProperty->setAccessible(true);
        $apiProperty->setValue($publisher, $apiServiceMock);

        $this->expectException(Exception::class);
        $this->expectExceptionMessage('Post creation failed');

        $publisher->publishToChannel($article, $extractedData, $channel);
    }
}