PDF.js Testing: Unit Tests for PDF Processing and Document Handling
The mozilla/pdf.js repository demonstrates a comprehensive unit testing approach utilizing multiple testing frameworks including Jest and Minitest. The test suite focuses on core PDF processing functionality, covering essential aspects like XFA form conversion, utility functions, document handling, and editor components. The tests verify critical features such as command management, appearance parsing, and cross-origin operations across different environments. Qodo Tests Hub provides developers with detailed insights into pdf.js's testing patterns, making it easier to understand how large-scale JavaScript projects implement effective test coverage. Through the platform, developers can explore real-world examples of PDF processing test cases, analyze different testing approaches for browser-based applications, and learn best practices for structuring unit tests across various PDF manipulation features. This practical exposure helps teams improve their own testing strategies for document processing applications.
| Path | Test Type | Language | Description |
|---|---|---|---|
| src/core/file_spec.js |
unit
|
javascript | This JavaScript unit test verifies PDF file specification handling and embedded file support in the PDF.js library. |
| test/font/font_os2_spec.js |
unit
|
javascript | This JavaScript unit test verifies OS/2 table validation and removal in PDF.js font processing implementation |
| test/unit/annotation_spec.js |
unit
|
javascript | This Jest unit test verifies the annotation handling functionality in Mozilla’s pdf.js library |
| test/unit/annotation_storage_spec.js |
unit
|
javascript | This JavaScript unit test verifies annotation storage and modification tracking functionality in PDF.js annotation handling system. |
| test/unit/document_spec.js |
unit
|
javascript | This JavaScript unit test verifies PDF document handling, form processing, and field management in the pdf.js library. |
| test/unit/canvas_factory_spec.js |
unit
|
javascript | This Jasmine unit test verifies the DOMCanvasFactory implementation for canvas creation, manipulation, and cleanup in PDF.js |
| test/unit/default_appearance_spec.js |
unit
|
javascript | This Jest unit test verifies default appearance parsing and creation functionality across multiple PDF reader implementations in PDF.js. |
| test/unit/editor_spec.js |
unit
|
javascript | This JavaScript unit test verifies the CommandManager’s undo/redo functionality and stack size limitations in the PDF.js editor component. |
| test/unit/function_spec.js |
unit
|
javascript | This JavaScript unit test suite verifies PostScript parsing, evaluation and compilation functionality in PDF.js |
| test/unit/message_handler_spec.js |
unit
|
javascript | This JavaScript unit test verifies stream-based message handling between main and worker threads in PDF.js |