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This pull request introduces new property-based tests for the FIO library to validate the behavior of Apply, ApplyError, Zip, ZipError, Parallel, and ParallelError methods. It also removes an unused line in PropertyTests.fs. These changes aim to improve test coverage and ensure correctness of the library's core functionalities.

Test Additions to FIO Library

  • Apply Method Tests: Added property-based tests to verify the behavior of Apply when the initial and function effects succeed or fail in various combinations.
  • ApplyError Method Tests: Added property-based tests to validate the behavior of ApplyError when transforming errors or succeeding based on the initial and function effects.
  • Zip Method Tests: Added property-based tests to ensure the correctness of Zip when combining the results or errors of two effects.
  • ZipError Method Tests: Added property-based tests to check the behavior of ZipError when combining errors or succeeding based on the effects.
  • Parallel and ParallelError Method Tests: Added property-based tests for Parallel and ParallelError to verify their behavior in parallel execution scenarios with combinations of success and failure.

Code Cleanup

  • Removed an unused line in PropertyTests.fs to clean up the code.

@Copilot Copilot AI review requested due to automatic review settings July 6, 2025 13:22
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Pull Request Overview

This PR enhances test coverage for the FIO library by adding property-based tests for its core primitives and removes an unused blank line in PropertyTests.fs.

  • Adds comprehensive Apply, ApplyError, Zip, ZipError, Parallel, and ParallelError tests covering all success/failure combinations.
  • Cleans up an extraneous blank line in PropertyTests.fs.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File Description
src/FIO.Tests/RuntimeTests.fs Added extensive property-based tests for FIO methods.
src/FIO.Tests/PropertyTests.fs Removed an unused blank line to clean up the file.
Comments suppressed due to low confidence (1)

src/FIO.Tests/RuntimeTests.fs:752

  • [nitpick] Consider adding section headers or comments to group tests by FIO method (Apply, Zip, Parallel, etc.) for better readability and easier navigation.
    [<Property>]


actual = expected

[<Property>]
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Copilot AI Jul 6, 2025

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[nitpick] There are many nearly identical property test methods; consider refactoring into a parameterized or data-driven test to reduce boilerplate and improve maintainability.

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@itsdanieldk itsdanieldk merged commit 18a2146 into main Jul 6, 2025
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@itsdanieldk itsdanieldk deleted the feature/add-more-tests branch July 6, 2025 13:28
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