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Shopify Liquid Testing: Unit & Integration Test Patterns for Template Processing

The Shopify/liquid repository demonstrates a comprehensive testing approach for the Liquid templating engine, combining both unit and integration testing methodologies. The test suite features 58 test cases that thoroughly verify template parsing, rendering, tag handling, and variable processing. The testing framework emphasizes robust validation of core Liquid functionality through focused unit tests for components like Tag and Variable classes, while integration tests ensure proper template processing and output generation. Qode Tests Hub provides developers with valuable insights into this repository's testing patterns by organizing and categorizing the various test implementations. Through the platform, developers can explore real-world examples of Liquid testing practices, analyze different testing approaches for template engines, and learn effective strategies for both unit and integration testing. The repository's test cases serve as practical reference implementations for testing template parsing, rendering, and error handling scenarios.

Path	Test Type	Language	Description
test/integration/trim_mode_test.rb	integration	ruby	This Ruby integration test verifies whitespace trimming functionality in Liquid template rendering.
test/unit/tags/for_tag_unit_test.rb	unit	ruby	This Ruby unit test verifies the nodelist structure and handling of For tags in Liquid templates.
test/unit/tags/if_tag_unit_test.rb	unit	ruby	This Ruby unit test verifies the proper parsing and structure of if/else conditional statements in Liquid templates.
test/integration/tags/for_tag_test.rb	integration	ruby	This Ruby integration test verifies Liquid template engine’s For tag implementation including iteration, limiting, and loop control features.
test/integration/tags/if_else_tag_test.rb	integration	ruby	This Ruby integration test verifies the functionality and behavior of Liquid’s if/else tag implementation including boolean operations, comparisons, and nested conditions.
test/integration/expression_test.rb	integration	ruby	This Ruby integration test verifies Liquid template expression parsing and evaluation for various data types and literals.
test/integration/assign_test.rb	integration	ruby	This Ruby integration test verifies Liquid template variable assignment functionality, including syntax validation and resource limit handling.
test/integration/blank_test.rb	integration	ruby	This Ruby integration test verifies blank content handling and whitespace processing in Liquid templates.
test/integration/capture_test.rb	integration	ruby	This Ruby integration test verifies Liquid template engine’s capture tag functionality including variable scope, content capture, and UTF-8 handling.
test/integration/security_test.rb	integration	ruby	This Ruby integration test verifies security measures and protection against code injection in Liquid templating system.