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Testing Ipbase IP Address Lookup Implementation in geocoder

This test suite validates the Ipbase lookup functionality in the Geocoder gem, focusing on IP address geolocation capabilities and handling of various IP address scenarios. The tests ensure proper response formatting and edge case handling for IP-based location lookups.

Test Coverage Overview

The test suite provides comprehensive coverage of Ipbase IP lookup functionality, including:

IP address validation and result formatting
Special IP address handling (loopback, private IPs)
Error cases and empty results
Geographic data extraction and formatting

Implementation Analysis

The testing approach utilizes Ruby’s test framework with the GeocoderTestCase base class. The implementation follows a systematic pattern of validating different IP address types and their corresponding location data responses. Each test case isolates specific functionality, from basic IP lookups to edge cases.

Technical Details

Key technical components include:

Ruby test framework integration
Geocoder gem configuration for Ipbase lookup
Test helper utilities
Assert statements for validation
IP address test fixtures

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Isolated test cases for specific functionality
Proper setup and configuration management
Comprehensive edge case coverage
Clear test method naming conventions
Structured assertion patterns

alexreisner/geocoder

test/unit/lookups/ipbase_test.rb

            
# encoding: utf-8
require 'test_helper'

class IpbaseTest < GeocoderTestCase
  def setup
    super
    Geocoder.configure(ip_lookup: :ipbase, lookup: :ipbase)
  end

  def test_no_results
    results = Geocoder.search("no results")
    assert_equal 0, results.length
  end

  def test_no_data
    results = Geocoder.search("no data")
    assert_equal 0, results.length
  end

  def test_invalid_ip
    results = Geocoder.search("invalid ip")
    assert_equal 0, results.length
  end

  def test_result_on_ip_address_search
    result = Geocoder.search("74.200.247.59").first
    assert result.is_a?(Geocoder::Result::Ipbase)
  end

  def test_result_on_loopback_ip_address_search
    result = Geocoder.search("127.0.0.1").first
    assert_equal "127.0.0.1", result.ip
    assert_equal 'RD',        result.country_code
    assert_equal "Reserved",  result.country
  end

  def test_result_on_private_ip_address_search
    result = Geocoder.search("172.19.0.1").first
    assert_equal "172.19.0.1", result.ip
    assert_equal 'RD',         result.country_code
    assert_equal "Reserved",   result.country
  end

  def test_result_components
    result = Geocoder.search("74.200.247.59").first
    assert_equal "Jersey City, New Jersey 07302, United States", result.address
  end
end