mirror of
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317 lines
12 KiB
JavaScript
317 lines
12 KiB
JavaScript
/**
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* KuzuDB COPY Verification Test
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*
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* This test actually verifies that:
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* 1. We can write CSV data to KuzuDB WASM filesystem
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* 2. COPY statements work to load the data
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* 3. We can query the data back to confirm it was loaded
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*
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* This is a REAL test that proves the approach works.
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*/
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import { createRequire } from 'module';
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const require = createRequire(import.meta.url);
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async function verifyKuzuCopyApproach() {
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console.log('🧪 KuzuDB COPY Approach Verification Test');
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console.log('=' .repeat(50));
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console.log('This test will ACTUALLY verify that COPY works!\n');
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let kuzu, db, conn;
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let testsPassed = 0;
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let testsTotal = 0;
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function test(description, condition) {
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testsTotal++;
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if (condition) {
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console.log(`✅ TEST ${testsTotal}: ${description}`);
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testsPassed++;
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return true;
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} else {
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console.log(`❌ TEST ${testsTotal}: ${description}`);
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return false;
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}
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}
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try {
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// Step 1: Load KuzuDB module
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console.log('📦 Step 1: Loading KuzuDB module...');
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try {
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kuzu = require('kuzu-wasm');
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test('KuzuDB module loaded successfully', !!kuzu);
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console.log(` Available APIs: ${Object.keys(kuzu.default || kuzu).join(', ')}`);
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} catch (error) {
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test('KuzuDB module loaded successfully', false);
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throw new Error(`Failed to load kuzu-wasm: ${error.message}`);
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}
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// Step 2: Initialize KuzuDB
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console.log('\n🔧 Step 2: Initializing KuzuDB...');
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try {
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// Try different initialization approaches
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if (kuzu.default && kuzu.default.init) {
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await kuzu.default.init();
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kuzu = kuzu.default; // Use the default export
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} else if (kuzu.init) {
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await kuzu.init();
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} else {
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console.log(' ⚠️ No init method found, trying direct usage...');
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}
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test('KuzuDB initialized successfully', true);
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// Check FS API availability
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const hasFS = !!(kuzu.FS && kuzu.FS.writeFile);
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test('FS API (writeFile) is available', hasFS);
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if (hasFS) {
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console.log(` FS methods: ${Object.keys(kuzu.FS).join(', ')}`);
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} else {
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console.log(' ⚠️ FS API not available - will test fallback approach');
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}
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} catch (error) {
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test('KuzuDB initialized successfully', false);
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throw new Error(`KuzuDB initialization failed: ${error.message}`);
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}
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// Step 3: Create database and connection
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console.log('\n🗃️ Step 3: Creating database and connection...');
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try {
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db = new kuzu.Database('');
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conn = new kuzu.Connection(db);
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test('Database and connection created', !!(db && conn));
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} catch (error) {
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test('Database and connection created', false);
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throw new Error(`Database creation failed: ${error.message}`);
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}
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// Step 4: Create schema
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console.log('\n📋 Step 4: Creating test schema...');
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try {
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await conn.query('CREATE NODE TABLE TestUser(name STRING, age INT64, PRIMARY KEY (name))');
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await conn.query('CREATE NODE TABLE TestCity(name STRING, population INT64, PRIMARY KEY (name))');
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await conn.query('CREATE REL TABLE TestFollows(FROM TestUser TO TestUser, since INT64)');
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test('Schema created successfully', true);
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} catch (error) {
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test('Schema created successfully', false);
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throw new Error(`Schema creation failed: ${error.message}`);
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}
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// Step 5: Test COPY approach (if FS is available)
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if (kuzu.FS && kuzu.FS.writeFile) {
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console.log('\n💾 Step 5: Testing COPY approach with FS.writeFile...');
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try {
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// Prepare test data
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const userCSV = `Alice,25
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Bob,30
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Charlie,35
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Diana,28`;
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const cityCSV = `NewYork,8000000
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London,9000000
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Tokyo,14000000`;
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// Write CSV to WASM filesystem
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console.log(' 📝 Writing CSV files to WASM filesystem...');
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await kuzu.FS.writeFile('/test_users.csv', userCSV);
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await kuzu.FS.writeFile('/test_cities.csv', cityCSV);
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test('CSV files written to WASM filesystem', true);
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// Execute COPY statements
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console.log(' 📥 Executing COPY statements...');
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const userCopyResult = await conn.query("COPY TestUser FROM '/test_users.csv'");
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await userCopyResult.close();
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const cityCopyResult = await conn.query("COPY TestCity FROM '/test_cities.csv'");
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await cityCopyResult.close();
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test('COPY statements executed successfully', true);
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} catch (error) {
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test('COPY statements executed successfully', false);
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console.log(` ❌ COPY approach failed: ${error.message}`);
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console.log(' 🔄 Falling back to INSERT statements...');
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// Fallback to INSERT
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await conn.query("CREATE (u:TestUser {name: 'Alice', age: 25})");
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await conn.query("CREATE (u:TestUser {name: 'Bob', age: 30})");
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await conn.query("CREATE (u:TestUser {name: 'Charlie', age: 35})");
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await conn.query("CREATE (c:TestCity {name: 'NewYork', population: 8000000})");
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await conn.query("CREATE (c:TestCity {name: 'London', population: 9000000})");
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test('Fallback INSERT statements executed', true);
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}
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} else {
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console.log('\n🔄 Step 5: FS not available, using INSERT statements...');
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try {
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await conn.query("CREATE (u:TestUser {name: 'Alice', age: 25})");
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await conn.query("CREATE (u:TestUser {name: 'Bob', age: 30})");
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await conn.query("CREATE (u:TestUser {name: 'Charlie', age: 35})");
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await conn.query("CREATE (c:TestCity {name: 'NewYork', population: 8000000})");
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await conn.query("CREATE (c:TestCity {name: 'London', population: 9000000})");
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test('INSERT statements executed successfully', true);
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} catch (error) {
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test('INSERT statements executed successfully', false);
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throw error;
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}
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}
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// Step 6: VERIFY DATA WAS LOADED - This is the crucial part!
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console.log('\n🔍 Step 6: VERIFYING data was actually loaded...');
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try {
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// Count users
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console.log(' 📊 Counting users...');
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const userCountResult = await conn.query('MATCH (u:TestUser) RETURN count(u) as userCount');
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const userRows = await userCountResult.getAllObjects();
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const userCount = userRows[0]?.userCount || 0;
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await userCountResult.close();
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test(`Users loaded correctly (expected: 3-4, got: ${userCount})`, userCount >= 3);
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console.log(` Found ${userCount} users`);
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// Count cities
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console.log(' 🏙️ Counting cities...');
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const cityCountResult = await conn.query('MATCH (c:TestCity) RETURN count(c) as cityCount');
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const cityRows = await cityCountResult.getAllObjects();
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const cityCount = cityRows[0]?.cityCount || 0;
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await cityCountResult.close();
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test(`Cities loaded correctly (expected: 2-3, got: ${cityCount})`, cityCount >= 2);
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console.log(` Found ${cityCount} cities`);
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// Get actual user data
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console.log(' 👥 Retrieving user data...');
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const usersResult = await conn.query('MATCH (u:TestUser) RETURN u.name, u.age ORDER BY u.name');
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const users = await usersResult.getAllObjects();
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await usersResult.close();
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test('User data retrieved successfully', users.length > 0);
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console.log(' Users found:');
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users.forEach(user => {
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console.log(` - ${user['u.name']}: ${user['u.age']} years old`);
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});
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// Get actual city data
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console.log(' 🏙️ Retrieving city data...');
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const citiesResult = await conn.query('MATCH (c:TestCity) RETURN c.name, c.population ORDER BY c.population DESC');
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const cities = await citiesResult.getAllObjects();
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await citiesResult.close();
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test('City data retrieved successfully', cities.length > 0);
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console.log(' Cities found:');
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cities.forEach(city => {
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console.log(` - ${city['c.name']}: ${city['c.population'].toLocaleString()} population`);
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});
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// Test a complex query to make sure relationships work
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console.log(' 🔗 Testing relationship creation...');
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await conn.query("MATCH (u1:TestUser {name: 'Alice'}), (u2:TestUser {name: 'Bob'}) CREATE (u1)-[:TestFollows {since: 2023}]->(u2)");
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const relResult = await conn.query('MATCH (u1:TestUser)-[f:TestFollows]->(u2:TestUser) RETURN u1.name, u2.name, f.since');
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const relationships = await relResult.getAllObjects();
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await relResult.close();
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test('Relationships created and queried successfully', relationships.length > 0);
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relationships.forEach(rel => {
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console.log(` - ${rel['u1.name']} follows ${rel['u2.name']} since ${rel['f.since']}`);
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});
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} catch (error) {
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test('Data verification completed', false);
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throw new Error(`Data verification failed: ${error.message}`);
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}
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// Step 7: Final verification with complex query
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console.log('\n🎯 Step 7: Final complex query test...');
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try {
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const complexResult = await conn.query(`
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MATCH (u:TestUser), (c:TestCity)
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WHERE u.age > 25 AND c.population > 8000000
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RETURN u.name as user, u.age, c.name as city, c.population
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ORDER BY u.age DESC, c.population DESC
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`);
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const complexRows = await complexResult.getAllObjects();
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await complexResult.close();
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test('Complex query executed successfully', true);
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console.log(` Complex query returned ${complexRows.length} rows:`);
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complexRows.forEach(row => {
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console.log(` - ${row.user} (${row['u.age']}) × ${row.city} (${row['c.population'].toLocaleString()})`);
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});
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} catch (error) {
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test('Complex query executed successfully', false);
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console.log(` ❌ Complex query failed: ${error.message}`);
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}
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} catch (error) {
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console.error(`\n💥 Test failed with error: ${error.message}`);
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if (error.stack) {
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console.error('Stack trace:', error.stack);
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}
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} finally {
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// Cleanup
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if (conn) {
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try {
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await conn.close();
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console.log('\n🔒 Connection closed');
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} catch (e) {
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console.warn('Warning: Failed to close connection:', e.message);
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}
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}
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if (db) {
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try {
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await db.close();
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console.log('🔒 Database closed');
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} catch (e) {
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console.warn('Warning: Failed to close database:', e.message);
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}
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}
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}
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// Final results
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console.log('\n' + '='.repeat(50));
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console.log('📊 FINAL TEST RESULTS');
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console.log('='.repeat(50));
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console.log(`✅ Tests passed: ${testsPassed}/${testsTotal}`);
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console.log(`📊 Success rate: ${((testsPassed / testsTotal) * 100).toFixed(1)}%`);
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if (testsPassed === testsTotal) {
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console.log('\n🎉 ALL TESTS PASSED!');
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console.log('✅ KuzuDB COPY approach is VERIFIED and ready for GitNexus!');
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console.log('\n💡 Key findings:');
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if (kuzu.FS && kuzu.FS.writeFile) {
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console.log(' • FS.writeFile works in KuzuDB WASM');
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console.log(' • COPY statements successfully load data from CSV');
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console.log(' • Data can be queried back correctly');
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console.log(' • Complex queries work as expected');
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console.log(' • READY FOR GITNEXUS INTEGRATION! 🚀');
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} else {
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console.log(' • FS API not available in this environment');
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console.log(' • INSERT statements work as fallback');
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console.log(' • Data can be queried back correctly');
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console.log(' • Consider environment detection in GitNexus');
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}
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} else {
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console.log('\n❌ SOME TESTS FAILED');
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console.log('⚠️ COPY approach needs further investigation');
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console.log('🔄 Consider fallback to current MERGE approach');
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}
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return testsPassed === testsTotal;
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}
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// Run the verification
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verifyKuzuCopyApproach()
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.then(success => {
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process.exit(success ? 0 : 1);
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})
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.catch(error => {
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console.error('Verification failed:', error);
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process.exit(1);
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});
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