@ytb-dw/sdk/examples/test.js

Official JavaScript SDK for ytb-dw YouTube download service - Download YouTube videos and audio with ease

// Test file for ytb-dw SDK
const YtbDwClient = require('../index.js');

async function runTests() {
    console.log('🧪 Testing ytb-dw SDK...\n');

    // Test 1: Constructor validation
    console.log('Test 1: Constructor validation');
    try {
        new YtbDwClient(); // Should throw error
        console.log('❌ Constructor should require API key');
        process.exit(1);
    } catch (error) {
        console.log('✅ Constructor correctly requires API key');
    }

    // Test 2: Valid constructor
    console.log('\nTest 2: Valid constructor');
    try {
        const client = new YtbDwClient('test-api-key');
        console.log('✅ Constructor works with API key');
    } catch (error) {
        console.log('❌ Constructor failed:', error.message);
        process.exit(1);
    }

    // Test 3: URL generation
    console.log('\nTest 3: URL generation');
    try {
        const client = new YtbDwClient('test-api-key');
        const url = client.getDownloadUrl('https://youtube.com/watch?v=test', {
            format: 'audio',
            quality: 'best'
        });
        
        const expectedUrl = 'https://ytb-dw-api.onrender.com/download.php?api_key=test-api-key&url=https%3A%2F%2Fyoutube.com%2Fwatch%3Fv%3Dtest&format=audio&quality=best';
        
        if (url === expectedUrl) {
            console.log('✅ URL generation works correctly');
        } else {
            console.log('❌ URL generation failed');
            console.log('Expected:', expectedUrl);
            console.log('Got:', url);
            process.exit(1);
        }
    } catch (error) {
        console.log('❌ URL generation failed:', error.message);
        process.exit(1);
    }

    // Test 4: Parameter validation
    console.log('\nTest 4: Parameter validation');
    try {
        const client = new YtbDwClient('test-api-key');
        await client.getVideoInfo(''); // Should throw error
        console.log('❌ Should validate empty URL');
        process.exit(1);
    } catch (error) {
        if (error.message.includes('YouTube URL is required')) {
            console.log('✅ Parameter validation works');
        } else {
            console.log('❌ Wrong error message:', error.message);
            process.exit(1);
        }
    }

    // Test 5: Error message mapping
    console.log('\nTest 5: Error message mapping');
    try {
        const client = new YtbDwClient('test-api-key');
        const errorMsg = client._getErrorMessage(401);
        if (errorMsg.includes('Invalid or inactive API key')) {
            console.log('✅ Error message mapping works');
        } else {
            console.log('❌ Wrong error message:', errorMsg);
            process.exit(1);
        }
    } catch (error) {
        console.log('❌ Error message mapping failed:', error.message);
        process.exit(1);
    }

    // Test 6: Environment detection
    console.log('\nTest 6: Environment detection');
    try {
        const client = new YtbDwClient('test-api-key');
        
        // Test Node.js specific method
        if (typeof client.downloadToFile === 'function') {
            console.log('✅ Node.js methods available');
        } else {
            console.log('❌ Node.js methods missing');
            process.exit(1);
        }
        
        // Test browser-specific method should work but throw error when called
        try {
            client.openDownload('https://youtube.com/watch?v=test');
            console.log('❌ Browser method should throw error in Node.js');
            process.exit(1);
        } catch (error) {
            if (error.message.includes('only available in browser')) {
                console.log('✅ Environment detection works');
            } else {
                console.log('❌ Wrong environment error:', error.message);
                process.exit(1);
            }
        }
    } catch (error) {
        console.log('❌ Environment detection failed:', error.message);
        process.exit(1);
    }

    console.log('\n🎉 All tests passed! SDK is ready for publication.');
    console.log('\nNext steps:');
    console.log('1. npm login');
    console.log('2. npm publish --access public');
    console.log('\nNote: These tests only validate SDK structure and logic.');
    console.log('For API functionality testing, you need a valid API key and internet connection.');
}

// Run tests
runTests().catch(error => {
    console.error('❌ Test suite failed:', error.message);
    process.exit(1);
});