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Testing Template Factory Instance Creation in Liquid

This test suite validates the core functionality of Liquid’s template factory implementation, focusing on proper template instance creation and type verification. The tests ensure the template factory correctly instantiates Liquid templates with expected behavior.

Test Coverage Overview

The test coverage focuses on the fundamental template creation functionality in Liquid’s template factory system. Key test areas include:

  • Template instance type verification
  • Basic template creation validation
  • Factory method return type checking

Implementation Analysis

The testing approach utilizes Minitest’s assertion framework to verify template factory behavior. The implementation follows a straightforward unit testing pattern, using direct factory method invocation and instance type checking. The test leverages Ruby’s class inheritance verification to ensure proper template object creation.

Technical Details

  • Testing Framework: Minitest
  • Test Helper Integration
  • Liquid Module Include
  • Factory Pattern Testing
  • Object Instance Verification

Best Practices Demonstrated

The test exemplifies clean unit testing practices with focused scope and clear assertions. Notable practices include:

  • Single responsibility principle in test methods
  • Clear test method naming
  • Proper test setup and organization
  • Explicit type checking
  • Minimal test dependencies

shopify/liquid

test/unit/template_factory_unit_test.rb

            
# frozen_string_literal: true

require 'test_helper'

class TemplateFactoryUnitTest < Minitest::Test
  include Liquid

  def test_for_returns_liquid_template_instance
    template = TemplateFactory.new.for("anything")
    assert_instance_of(Liquid::Template, template)
  end
end