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Testing Ipregistry IP Address Lookup Implementation in Geocoder

This test suite validates the Ipregistry lookup functionality in the Geocoder gem, focusing on IP address validation and location data retrieval. The tests cover various IP address scenarios including loopback, private, and public addresses, ensuring accurate geocoding results.

Test Coverage Overview

The test suite provides comprehensive coverage of Ipregistry IP lookup functionality.

Key areas tested include:

Loopback address handling (127.0.0.1)
Private network address validation (172.19.0.1)
Public IP address geocoding (8.8.8.8)
Location data retrieval including state, currency, continent, and timezone information

Implementation Analysis

The testing approach utilizes Ruby’s test framework with the GeocoderTestCase class as the base. Tests follow a consistent pattern of configuring the IP lookup service, performing the search, and asserting expected results.

Each test case focuses on a specific IP address type and validates appropriate response fields using assert statements.

Technical Details

Testing components include:

Ruby test framework
GeocoderTestCase custom test class
Geocoder configuration for Ipregistry lookup
Assert methods for validation
UTF-8 encoding specification

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Isolated test cases for different scenarios
Clear test method naming conventions
Comprehensive assertion checking
Proper setup and configuration management
Edge case handling for special IP addresses

alexreisner/geocoder

test/unit/lookups/ipregistry_test.rb

            
# encoding: utf-8
require 'test_helper'

class IpregistryTest < GeocoderTestCase
  def test_lookup_loopback_address
    Geocoder.configure(:ip_lookup => :ipregistry)
    result = Geocoder.search("127.0.0.1").first
    assert_nil result.latitude
    assert_nil result.longitude
    assert_equal "127.0.0.1", result.ip
  end

  def test_lookup_private_address
    Geocoder.configure(:ip_lookup => :ipregistry)
    result = Geocoder.search("172.19.0.1").first
    assert_nil result.latitude
    assert_nil result.longitude
    assert_equal "172.19.0.1", result.ip
  end

  def test_known_ip_address
    Geocoder.configure(:ip_lookup => :ipregistry)
    result = Geocoder.search("8.8.8.8").first
    assert_equal "8.8.8.8", result.ip
    assert_equal "California", result.state
    assert_equal "USD", result.currency_code
    assert_equal "NA", result.location_continent_code
    assert_equal "US", result.location_country_code
    assert_equal false, result.security_is_tor
    assert_equal "America/Los_Angeles", result.time_zone_id
  end
end