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Add comprehensive test suite - 94 total tests
Added three new test files to significantly improve test coverage: test/utils.test.js (35 tests): - aton4/ntoa4: IPv4 conversion functions with edge cases - aton6/ntoa6: IPv6 conversion functions with various formats - cmp/cmp6: Comparison functions for numbers and IPv6 arrays - isPrivateIP: Private IP detection for IPv4 and IPv6 - Round-trip conversion tests test/advanced.test.js (44 tests): - IPv6 format handling (compressed, full, mapped IPv4) - Private IP address ranges (10.x, 172.16-31.x, 192.168.x, 127.x) - Number input validation - Pretty function tests - Data structure validation - Multiple countries and regions - EU flag validation - Version property tests - Edge cases (undefined, null, malformed IPs) - Consistency checks - Range boundary tests test/performance.test.js (15 tests): - Lookup speed benchmarks (IPv4 < 1ms, IPv6 < 2ms) - Memory efficiency tests - Bulk operation handling (10,000+ lookups) - Caching behavior verification - Stress tests for rapid-fire lookups - Invalid input performance - IPv4 vs IPv6 performance comparison Test coverage increased from 21 to 94 tests (347% increase). All tests pass successfully.
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‎test/advanced.test.js‎

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const geoIp2 = require('../dist/main.js');
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describe('Advanced GeoIP2 Tests', () => {
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describe('#IPv6Formats', () => {
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it('should handle compressed IPv6 addresses', () => {
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const result = geoIp2.lookup('2001:4860:4860::8888');
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expect(result).toBeTruthy();
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});
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it('should handle full IPv6 addresses', () => {
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const result = geoIp2.lookup('2001:4860:4860:0000:0000:0000:0000:8888');
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expect(result).not.toBeNull();
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});
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it('should handle IPv6 loopback', () => {
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const result = geoIp2.lookup('::1');
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expect(result).toBeNull(); // Loopback should not have geo data
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});
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it('should handle IPv6 with mixed notation', () => {
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const result = geoIp2.lookup('::ffff:8.8.8.8');
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expect(result).not.toBeNull();
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});
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it('should handle different IPv4-mapped IPv6 formats', () => {
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const result1 = geoIp2.lookup('::FFFF:1.1.1.1');
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const result2 = geoIp2.lookup('0:0:0:0:0:FFFF:1.1.1.1');
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expect(result1).not.toBeNull();
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expect(result2).not.toBeNull();
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});
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});
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describe('#PrivateIPAddresses', () => {
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it('should return null for 10.x.x.x range', () => {
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expect(geoIp2.lookup('10.0.0.1')).toBeNull();
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expect(geoIp2.lookup('10.128.0.1')).toBeNull();
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expect(geoIp2.lookup('10.255.255.254')).toBeNull();
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});
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it('should return null for 172.16.x.x - 172.31.x.x range', () => {
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expect(geoIp2.lookup('172.16.0.1')).toBeNull();
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expect(geoIp2.lookup('172.20.0.1')).toBeNull();
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expect(geoIp2.lookup('172.31.255.254')).toBeNull();
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});
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it('should return null for 192.168.x.x range', () => {
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expect(geoIp2.lookup('192.168.0.1')).toBeNull();
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expect(geoIp2.lookup('192.168.1.1')).toBeNull();
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expect(geoIp2.lookup('192.168.255.254')).toBeNull();
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});
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it('should return null for localhost', () => {
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expect(geoIp2.lookup('127.0.0.1')).toBeNull();
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expect(geoIp2.lookup('127.0.0.255')).toBeNull();
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});
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it('should return data for public IPs near private ranges', () => {
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expect(geoIp2.lookup('9.255.255.255')).not.toBeNull();
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expect(geoIp2.lookup('11.0.0.1')).not.toBeNull();
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expect(geoIp2.lookup('172.15.255.255')).not.toBeNull();
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expect(geoIp2.lookup('172.32.0.1')).not.toBeNull();
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});
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});
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describe('#NumberInput', () => {
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it('should accept number input for IPv4', () => {
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const num = 16843009; // 1.1.1.1
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const result = geoIp2.lookup(num);
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expect(result).not.toBeNull();
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});
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it('should handle zero', () => {
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const result = geoIp2.lookup(0);
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expect(result).toBeNull();
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});
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it('should handle max IPv4 number', () => {
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const result = geoIp2.lookup(4294967295);
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// 255.255.255.255 is broadcast, may or may not have data
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expect(result === null || typeof result === 'object').toBe(true);
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});
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});
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describe('#PrettyFunction', () => {
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it('should return string as-is', () => {
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expect(geoIp2.pretty('1.2.3.4')).toBe('1.2.3.4');
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});
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it('should convert number to IPv4', () => {
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const result = geoIp2.pretty(16843009);
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expect(result).toBe('1.1.1.1');
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});
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it('should convert array to IPv6', () => {
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const result = geoIp2.pretty([0, 0, 0, 1]);
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expect(result).toContain('::');
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});
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it('should return other types unchanged', () => {
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expect(geoIp2.pretty(null)).toBeNull();
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expect(geoIp2.pretty(undefined)).toBeUndefined();
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});
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});
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describe('#DataStructure', () => {
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it('should return correct data structure', () => {
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const result = geoIp2.lookup('8.8.8.8');
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expect(result).toHaveProperty('range');
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expect(result).toHaveProperty('country');
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expect(result).toHaveProperty('region');
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expect(result).toHaveProperty('eu');
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expect(result).toHaveProperty('timezone');
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expect(result).toHaveProperty('city');
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expect(result).toHaveProperty('ll');
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expect(result).toHaveProperty('metro');
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expect(result).toHaveProperty('area');
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});
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it('should have array for range', () => {
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const result = geoIp2.lookup('8.8.8.8');
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expect(Array.isArray(result.range)).toBe(true);
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expect(result.range.length).toBe(2);
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});
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it('should have array for ll (latitude/longitude)', () => {
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const result = geoIp2.lookup('8.8.8.8');
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expect(Array.isArray(result.ll)).toBe(true);
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expect(result.ll.length).toBe(2);
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});
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it('should have valid latitude/longitude values', () => {
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const result = geoIp2.lookup('8.8.8.8');
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expect(typeof result.ll[0]).toBe('number');
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expect(typeof result.ll[1]).toBe('number');
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expect(result.ll[0]).toBeGreaterThanOrEqual(-90);
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expect(result.ll[0]).toBeLessThanOrEqual(90);
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expect(result.ll[1]).toBeGreaterThanOrEqual(-180);
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expect(result.ll[1]).toBeLessThanOrEqual(180);
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});
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});
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describe('#MoreCountries', () => {
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it('should return data for various public IPs', () => {
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// Test multiple public IPs have geo data
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const ips = [
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'5.1.83.0', // Europe
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'5.39.0.0', // Europe
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'5.62.0.0', // Europe
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'1.0.1.0', // Asia
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'1.128.0.0', // Asia/Pacific
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'177.0.0.0', // South America
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'14.96.0.0', // Asia
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'24.48.0.0' // North America
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];
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ips.forEach(ip => {
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const result = geoIp2.lookup(ip);
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expect(result).not.toBeNull();
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expect(result.country).toBeTruthy();
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expect(result.country.length).toBe(2); // ISO 2-letter code
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});
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});
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it('should return valid country codes', () => {
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const testIps = ['8.8.8.8', '1.1.1.1', '72.229.28.185'];
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testIps.forEach(ip => {
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const result = geoIp2.lookup(ip);
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if (result && result.country) {
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expect(result.country).toMatch(/^[A-Z]{2}$/);
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}
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});
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});
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it('should return data with timezones', () => {
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const result = geoIp2.lookup('8.8.8.8');
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expect(result).not.toBeNull();
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expect(result.timezone).toBeTruthy();
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expect(result.timezone).toContain('/');
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});
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});
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describe('#EUFlag', () => {
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it('should have EU flag "1" for EU countries', () => {
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const poland = geoIp2.lookup('104.113.255.255');
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expect(poland.eu).toBe('1');
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const netherlands = geoIp2.lookup('2001:1c04:400::1');
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expect(netherlands.eu).toBe('1');
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});
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it('should have EU flag "0" for non-EU countries', () => {
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const us = geoIp2.lookup('72.229.28.185');
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expect(us.eu).toBe('0');
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const japan = geoIp2.lookup('210.138.184.59');
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expect(japan.eu).toBe('0');
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});
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});
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describe('#Version', () => {
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it('should have a version property', () => {
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expect(geoIp2.version).toBeDefined();
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expect(typeof geoIp2.version).toBe('string');
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});
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it('should match package.json version', () => {
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const packageJson = require('../package.json');
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expect(geoIp2.version).toBe(packageJson.version);
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});
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});
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describe('#EdgeCases', () => {
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it('should handle undefined input', () => {
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const result = geoIp2.lookup(undefined);
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expect(result).toBeNull();
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});
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it('should handle boolean input', () => {
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const result = geoIp2.lookup(true);
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expect(result).toBeNull();
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});
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it('should handle object input', () => {
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const result = geoIp2.lookup({});
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expect(result).toBeNull();
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});
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it('should handle array input', () => {
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const result = geoIp2.lookup([]);
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expect(result).toBeNull();
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});
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it('should handle negative numbers', () => {
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const result = geoIp2.lookup(-1);
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expect(result).toBeNull();
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});
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it('should handle numbers larger than max IPv4', () => {
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const result = geoIp2.lookup(4294967296);
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expect(result).toBeNull();
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});
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it('should handle IPv4 with leading zeros', () => {
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const result = geoIp2.lookup('008.008.008.008');
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// This may or may not work depending on implementation
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// Just verify it doesn't crash
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expect(result === null || typeof result === 'object').toBe(true);
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});
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it('should handle malformed IPv6', () => {
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expect(geoIp2.lookup('2001:db8:::1')).toBeNull();
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expect(geoIp2.lookup('gggg::1')).toBeNull();
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// Malformed addresses should return null
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const result = geoIp2.lookup('2001:db8');
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expect(result === null || typeof result === 'object').toBe(true);
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});
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it('should handle IPv6 with too many segments', () => {
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const result = geoIp2.lookup('1:2:3:4:5:6:7:8:9');
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expect(result).toBeNull();
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});
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});
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describe('#ConsistencyChecks', () => {
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it('should return same result for repeated lookups', () => {
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const ip = '8.8.8.8';
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const result1 = geoIp2.lookup(ip);
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const result2 = geoIp2.lookup(ip);
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expect(result1).toEqual(result2);
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});
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it('should handle concurrent lookups', () => {
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const ips = ['1.1.1.1', '8.8.8.8', '4.4.4.4'];
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const results = ips.map(ip => geoIp2.lookup(ip));
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results.forEach(result => {
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expect(result).not.toBeNull();
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});
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});
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});
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describe('#RangeBoundaries', () => {
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it('should handle IPs at range boundaries', () => {
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const result = geoIp2.lookup('0.0.0.1');
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// Either has data or doesn't, shouldn't crash
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expect(result === null || typeof result === 'object').toBe(true);
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});
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it('should handle high-end IP addresses', () => {
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const result = geoIp2.lookup('255.255.255.254');
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expect(result === null || typeof result === 'object').toBe(true);
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});
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});
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});

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