61 lines
2.3 KiB
JavaScript
61 lines
2.3 KiB
JavaScript
require('dotenv').config();
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const db = require('./models');
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async function testDatabaseConnection() {
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console.log('\n🔍 Testing Database Connection...\n');
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console.log('Configuration:');
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console.log('- Host:', process.env.DB_HOST);
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console.log('- Port:', process.env.DB_PORT);
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console.log('- Database:', process.env.DB_NAME);
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console.log('- User:', process.env.DB_USER);
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console.log('- Dialect:', process.env.DB_DIALECT);
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console.log('\n');
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try {
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// Test connection
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await db.sequelize.authenticate();
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console.log('✅ Connection has been established successfully.\n');
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// Get database version
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const [results] = await db.sequelize.query('SELECT VERSION() as version');
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console.log('📊 MySQL Version:', results[0].version);
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// Check if database exists
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const [databases] = await db.sequelize.query('SHOW DATABASES');
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const dbExists = databases.some(d => d.Database === process.env.DB_NAME);
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if (dbExists) {
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console.log(`✅ Database '${process.env.DB_NAME}' exists.\n`);
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// Show tables in database
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const [tables] = await db.sequelize.query(`SHOW TABLES FROM ${process.env.DB_NAME}`);
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console.log(`📋 Tables in '${process.env.DB_NAME}':`, tables.length > 0 ? tables.length : 'No tables yet');
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if (tables.length > 0) {
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tables.forEach(table => {
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const tableName = table[`Tables_in_${process.env.DB_NAME}`];
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console.log(` - ${tableName}`);
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});
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}
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} else {
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console.log(`⚠️ Database '${process.env.DB_NAME}' does not exist.`);
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console.log(`\nTo create it, run:`);
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console.log(`mysql -u ${process.env.DB_USER} -p -e "CREATE DATABASE ${process.env.DB_NAME} CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"`);
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}
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console.log('\n✅ Database connection test completed successfully!\n');
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process.exit(0);
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} catch (error) {
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console.error('\n❌ Database connection test failed:');
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console.error('Error:', error.message);
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console.error('\nPlease ensure:');
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console.error('1. MySQL server is running');
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console.error('2. Database credentials in .env are correct');
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console.error('3. Database exists (or create it with the command above)');
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console.error('4. User has proper permissions\n');
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process.exit(1);
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}
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}
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testDatabaseConnection();
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