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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/unit/file_system_unit_test.rb	unit	ruby	This Ruby unit test verifies file system operations and security measures in the Liquid template engine.
test/unit/lexer_unit_test.rb	unit	ruby	This Ruby unit test verifies Liquid template language lexer tokenization and syntax parsing functionality.
test/unit/regexp_unit_test.rb	unit	ruby	This Ruby unit test verifies regular expression patterns for parsing quoted fragments and variable expressions in the Liquid templating engine.
test/unit/strainer_template_unit_test.rb	unit	ruby	This Ruby unit test verifies Liquid’s strainer template filter registration and method visibility handling.
test/unit/tags/case_tag_unit_test.rb	unit	ruby	This Ruby unit test verifies the proper parsing and structure of Liquid template case tag nodelists.
test/unit/tags/comment_tag_unit_test.rb	unit	ruby	This Ruby unit test verifies Liquid template engine’s comment tag parsing, nesting, and whitespace handling functionality
test/unit/tokenizer_unit_test.rb	unit	ruby	This Ruby unit test verifies the tokenization functionality of Liquid template language, including string parsing, variable handling, and block processing.
test/unit/template_factory_unit_test.rb	unit	ruby	This Ruby unit test verifies proper template instance creation through Liquid’s template factory implementation.
test/integration/tags/table_row_test.rb	integration	ruby	This Ruby integration test verifies Liquid template engine’s tablerow tag functionality for HTML table generation and loop control.
test/integration/template_test.rb	integration	ruby	This Ruby integration test verifies Liquid template parsing, rendering, and resource management functionality in the Shopify Liquid engine.