Function test

test/network/large-file.test.js:77–204

()

}

async function test() {
    console.log("=== Very Large File Download Tests ===\n");
    console.log("Testing 1MB, 10MB, and 50MB downloads via local HTTP server.");
    console.log("(Using VM's built-in rate limiting at 256KB/s)\n");
    
    const PORT = 18080;
    let server;
    let vm;
    let passed = 0;
    let failed = 0;
    
    try {
        // Start local test server
        console.log("Starting local HTTP server...");
        server = await createTestServer(PORT);
        
        // Start VM with network - uses default 256KB/s rate limit
        console.log("Starting VM...");
        vm = new AgentVM({ network: true, debug: false });
        await withTimeout(vm.start(), 15000);
        console.log("VM Started with network enabled.\n");

        // Test 1: Download 1MB file
        console.log("Test 1: Download 1MB file");
        const size1mb = 1 * 1024 * 1024;
        let start = Date.now();
        let res = await withTimeout(
            vm.exec(`rm -f /tmp/*.bin; wget -q -O /tmp/1mb.bin http://192.168.127.1:${PORT}/bytes/${size1mb} && wc -c < /tmp/1mb.bin`),
            120000  // 2 minute timeout
        );
        let elapsed = Date.now() - start;
        let downloadedSize = parseInt(res.stdout.trim(), 10);
        if (res.exitCode === 0 && downloadedSize === size1mb) {
            const speedMbps = (size1mb / 1024 / 1024) / (elapsed / 1000);
            console.log(`  PASS (${elapsed}ms) - Downloaded ${downloadedSize} bytes (${speedMbps.toFixed(2)} MB/s)\n`);
            passed++;
        } else {
            console.log(`  FAIL (${elapsed}ms) - Expected ${size1mb} bytes, got: ${res.stdout.trim()}`);
            console.log(`  stderr: ${res.stderr}\n`);
            failed++;
        }

        // Test 2: Download 10MB file
        console.log("Test 2: Download 10MB file");
        const size10mb = 10 * 1024 * 1024;
        start = Date.now();
        res = await withTimeout(
            vm.exec(`rm -f /tmp/1mb.bin; wget -q -O /tmp/10mb.bin http://192.168.127.1:${PORT}/bytes/${size10mb} && wc -c < /tmp/10mb.bin`),
            300000  // 5 minute timeout
        );
        elapsed = Date.now() - start;
        downloadedSize = parseInt(res.stdout.trim(), 10);
        if (res.exitCode === 0 && downloadedSize === size10mb) {
            const speedMbps = (size10mb / 1024 / 1024) / (elapsed / 1000);
            console.log(`  PASS (${elapsed}ms) - Downloaded ${downloadedSize} bytes (${speedMbps.toFixed(2)} MB/s)\n`);
            passed++;
        } else {
            console.log(`  FAIL (${elapsed}ms) - Expected ${size10mb} bytes, got: ${res.stdout.trim()}`);