Codium-ai / cover-agent

CodiumAI Cover-Agent: An AI-Powered Tool for Automated Test Generation and Code Coverage Enhancement! ๐Ÿ’ป๐Ÿค–๐Ÿงช๐Ÿž
https://www.codium.ai/
GNU Affero General Public License v3.0
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Adding more tests + iterative test example. #75

Closed EmbeddedDevops1 closed 4 weeks ago

EmbeddedDevops1 commented 4 weeks ago

PR Type

Tests, Enhancement


Description


Changes walkthrough ๐Ÿ“

Relevant files
Tests
test_app.py
Add test for `/current-date` endpoint in FastAPI app         

templated_tests/python_fastapi/test_app.py
  • Added test for /current-date endpoint.
  • Imported date module for date comparison.
  • +15/-0   
    test_AICaller.py
    Add comprehensive tests for `AICaller` class                         

    tests/test_AICaller.py
  • Added multiple tests for AICaller class.
  • Included tests for WANDB logging, API base, and system key handling.
  • +51/-0   
    test_PromptBuilder.py
    Add tests for rendering exceptions in `PromptBuilder`       

    tests/test_PromptBuilder.py - Added tests to handle rendering exceptions in `PromptBuilder`.
    +30/-0   
    Enhancement
    increase_coverage.py
    Add script for iterative coverage increase using Cover Agent

    tests_integration/increase_coverage.py
  • Added script to iteratively run Cover Agent for multiple source and
    test files.
  • Defined Args class to encapsulate arguments for Cover Agent.
  • +54/-0   
    Documentation
    README.md
    Document usage of `increase_coverage.py` script                   

    tests_integration/README.md - Added documentation for running `increase_coverage.py` script.
    +9/-1     

    ๐Ÿ’ก PR-Agent usage: Comment /help on the PR to get a list of all available PR-Agent tools and their descriptions

    codiumai-pr-agent-pro[bot] commented 4 weeks ago

    PR Review ๐Ÿ”

    โฑ๏ธ Estimated effort to review [1-5] 2, because the changes are well-structured and mostly involve adding new tests and a script for coverage improvement. The code modifications are straightforward and localized to specific functionalities.
    ๐Ÿงช Relevant tests Yes
    โšก Possible issues Possible Bug: In `test_current_date` of `test_app.py`, the test assumes the server's date is set to the current date, which might not always be true in different time zones or configurations.
    Redundancy: The `test_current_date` function is defined twice in `test_app.py`, which seems like an accidental duplication.
    ๐Ÿ”’ Security concerns No
    codiumai-pr-agent-pro[bot] commented 4 weeks ago

    PR Code Suggestions โœจ

    CategorySuggestion                                                                                                                                    Score
    Maintainability
    Remove the redundant definition of the test_current_date function ___ **The test_current_date function is defined twice. Remove the first definition to avoid
    redundancy and potential confusion.** [templated_tests/python_fastapi/test_app.py [12-16]](https://github.com/Codium-ai/cover-agent/pull/75/files#diff-474d2ef72228be13cfba725cbc72951c9dc719b9727c1c71a44ae20db4933fe7R12-R16) ```diff -def test_current_date(): - response = client.get("/current-date") - assert response.status_code == 200 - assert "date" in response.json() +# Removed redundant test_current_date definition ```
    Suggestion importance[1-10]: 10 Why: The suggestion correctly identifies and resolves the redundancy of the `test_current_date` function being defined twice, which is crucial for maintainability and avoiding confusion in the test suite.
    10
    Combine the two test methods handling rendering exceptions into one to reduce redundancy ___ **Combine the two test methods test_build_prompt_custom_handles_rendering_exception and
    test_build_prompt_handles_rendering_exception into one, as they are testing the same
    functionality with minor differences.** [tests/test_PromptBuilder.py [142-169]](https://github.com/Codium-ai/cover-agent/pull/75/files#diff-c1b7d64d1e71e11e37e930a3a40dafe619a9d0221519da466579437b6b8567f5R142-R169) ```diff -def test_build_prompt_custom_handles_rendering_exception(self, monkeypatch): - def mock_render(*args, **kwargs): - raise Exception("Rendering error") - - monkeypatch.setattr("jinja2.Environment.from_string", lambda *args, **kwargs: type('', (), {"render": mock_render})()) - - builder = PromptBuilder( - source_file_path="source_path", - test_file_path="test_path", - code_coverage_report="coverage_report", - ) - result = builder.build_prompt_custom("custom_file") - assert result == {"system": "", "user": ""} - def test_build_prompt_handles_rendering_exception(self, monkeypatch): def mock_render(*args, **kwargs): raise Exception("Rendering error") monkeypatch.setattr("jinja2.Environment.from_string", lambda *args, **kwargs: type('', (), {"render": mock_render})()) builder = PromptBuilder( source_file_path="source_path", test_file_path="test_path", code_coverage_report="coverage_report", ) + result_custom = builder.build_prompt_custom("custom_file") result = builder.build_prompt() + assert result_custom == {"system": "", "user": ""} assert result == {"system": "", "user": ""} ```
    Suggestion importance[1-10]: 6 Why: Combining similar test methods into one reduces redundancy and simplifies the test suite, although the impact on functionality is minimal, it aids in maintainability.
    6
    Robustness
    Add exception handling to the CoverAgent instantiation and execution to handle errors gracefully ___ **Add exception handling around the instantiation and running of CoverAgent to handle any
    potential errors gracefully.** [tests_integration/increase_coverage.py [52-54]](https://github.com/Codium-ai/cover-agent/pull/75/files#diff-b829a406923d13f794e4bad1972c9508dd44dcb717f49ca8cc902180129a9fd4R52-R54) ```diff -args = Args(source_file, test_file) -agent = CoverAgent(args) -agent.run() +try: + args = Args(source_file, test_file) + agent = CoverAgent(args) + agent.run() +except Exception as e: + print(f"Error running CoverAgent for {source_file}: {e}") ```
    Suggestion importance[1-10]: 8 Why: Implementing exception handling around the `CoverAgent` operations is crucial for robustness, especially to manage and log errors effectively during the execution of integration tests.
    8
    Best practice
    Add an assertion to verify that mock_builder is called with the correct arguments ___ **Add an assertion to check if mock_builder is called with the correct arguments to ensure
    the mock is being used as expected.** [tests/test_AICaller.py [62-65]](https://github.com/Codium-ai/cover-agent/pull/75/files#diff-e84aeed71db4a60462435bc58814bc055ba7779343c529c6531763006007a961R62-R65) ```diff mock_builder.return_value = { "choices": [{"message": {"content": "response"}}], "usage": {"prompt_tokens": 2, "completion_tokens": 10} } +mock_builder.assert_called_once_with(prompt) ```
    Suggestion importance[1-10]: 7 Why: Adding an assertion for `mock_builder` call verification is a good practice to ensure that mocks are used as expected, enhancing the reliability of the tests.
    7
    EmbeddedDevops1 commented 4 weeks ago

    โ„น๏ธ No functional code changed. Only tests have been added.