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Testing Similar Search Implementation in Searchkick

This test suite validates the similar search functionality in Searchkick, focusing on product name matching and result ordering. It covers various aspects of similarity search including field-specific matching, result limits, and pagination.

Test Coverage Overview

The test suite provides comprehensive coverage of Searchkick’s similarity search features:

Basic similarity matching for product names
Field-specific similarity searches
Result ordering and relevance
Pagination and result limiting
Cross-model routing functionality

Implementation Analysis

The testing approach utilizes Minitest framework with a focus on assertion-based testing. The implementation demonstrates proper use of store_names helper and custom assertions for search results verification. Each test case isolates specific similarity search features using clear, focused test methods.

Technical Details

Testing Framework: Minitest
Helper Methods: store_names, assert_search, assert_order
Test Data: Product and Store models
Search Configuration: Field-specific matching, limit/pagination parameters

Best Practices Demonstrated

The test suite exhibits several testing best practices:

Isolated test cases for each feature
Clear test method naming conventions
Consistent data setup patterns
Comprehensive edge case coverage
Efficient test data management

ankane/searchkick

test/similar_test.rb

            
require_relative "test_helper"

class SimilarTest < Minitest::Test
  def test_similar
    store_names ["Annie's Naturals Organic Shiitake & Sesame Dressing"]
    assert_search "Annie's Naturals Shiitake & Sesame Vinaigrette", ["Annie's Naturals Organic Shiitake & Sesame Dressing"], similar: true, fields: [:name]
  end

  def test_fields
    store_names ["1% Organic Milk", "2% Organic Milk", "Popcorn"]
    assert_equal ["2% Organic Milk"], Product.where(name: "1% Organic Milk").first.similar(fields: ["name"]).map(&:name)
  end

  def test_order
    store_names ["Lucerne Milk Chocolate Fat Free", "Clover Fat Free Milk"]
    assert_order "Lucerne Fat Free Chocolate Milk", ["Lucerne Milk Chocolate Fat Free", "Clover Fat Free Milk"], similar: true, fields: [:name]
  end

  def test_limit
    store_names ["1% Organic Milk", "2% Organic Milk", "Fat Free Organic Milk", "Popcorn"]
    assert_equal ["2% Organic Milk"], Product.where(name: "1% Organic Milk").first.similar(fields: ["name"], order: ["name"], limit: 1).map(&:name)
  end

  def test_per_page
    store_names ["1% Organic Milk", "2% Organic Milk", "Fat Free Organic Milk", "Popcorn"]
    assert_equal ["2% Organic Milk"], Product.where(name: "1% Organic Milk").first.similar(fields: ["name"], order: ["name"], per_page: 1).map(&:name)
  end

  def test_routing
    store_names ["Test"], Store
    assert_equal [], Store.first.similar(fields: ["name"]).map(&:name)
  end
end