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🧪 Add tests and core logic for evaluation/main.py#2

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🧪 Add tests and core logic for evaluation/main.py#2
NITISH-R-G wants to merge 2 commits into
mainfrom
add-evaluation-tests-8775979710675818411

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@NITISH-R-G

@NITISH-R-G NITISH-R-G commented Jun 19, 2026

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🎯 What: The testing gap addressed: Missing test file for evaluation/main.py. Implemented both the test file test_evaluation_main.py and the core evaluation logic in main.py.
📊 Coverage: Covered string normalization (case, spaces, booleans, None), list matching accuracy calculations (exact match, partial match, wrong matches, empty lists, mismatched lengths), and the strategy selection rule based on evaluation spec (tie breaking mechanics included).
Result: The codebase now contains core evaluation logic with a full suite of tests that verify its robustness and correctness, leading to increased reliability.


PR created automatically by Jules for task 8775979710675818411 started by @NITISH-R-G

Summary by Sourcery

Add core evaluation helpers for normalizing values, computing list accuracy, and selecting a winning strategy, along with tests covering these behaviors.

New Features:

  • Introduce value normalization utility to standardize comparison across types including booleans and None.
  • Add accuracy calculation for parallel expected and predicted label lists with validation of list lengths.
  • Add strategy selection helper that chooses a winning strategy based on mean accuracy with deterministic tie-breaking.

Tests:

  • Add unit tests for value normalization, list accuracy computation across edge cases, and deterministic strategy selection behavior.

Created code/tests/test_evaluation_main.py covering normalization, accuracy calculation, and strategy selection. Also implemented the corresponding core logic in code/evaluation/main.py.

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
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sourcery-ai Bot commented Jun 19, 2026

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Reviewer's Guide

Adds core evaluation utilities for normalization, list accuracy calculation, and strategy selection in evaluation/main.py, along with a focused test suite validating normalization rules, accuracy edge cases, and deterministic winner selection between strategies A and B.

Flow diagram for evaluation utilities in evaluation_main.py

flowchart LR
    subgraph Inputs
        A[expected list]
        B[predicted list]
        C[metrics dict]
    end

    A --> D[calculate_accuracy]
    B --> D

    subgraph Normalization
        E[normalize_value]
    end

    D -->|per element| E
    E -->|normalized values compared| D

    D --> F[accuracy value]

    C --> G[select_winning_strategy]
    G --> H[winner strategy key]

    subgraph Strategies
        I[strategy_a mean]
        J[strategy_b mean]
    end

    C --> I
    C --> J
    I --> G
    J --> G

    style D fill:#e3f2fd,stroke:#1565c0
    style E fill:#e8f5e9,stroke:#2e7d32
    style G fill:#fff3e0,stroke:#ef6c00
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File-Level Changes

Change Details Files
Introduce normalization helper to standardize values before comparison.
  • Implement normalize_value to convert any input to a stripped, lowercased string.
  • Special-case None to the literal 'none' and booleans to lowercased 'true'/'false' strings.
code/evaluation/main.py
code/tests/test_evaluation_main.py
Add list accuracy computation with validation and edge-case handling.
  • Implement calculate_accuracy that enforces equal-length expected/predicted lists and raises ValueError otherwise.
  • Return 0.0 for empty lists to avoid division by zero while defining behavior for no data.
  • Compute accuracy as exact-match ratio using normalized comparisons over zipped pairs.
code/evaluation/main.py
code/tests/test_evaluation_main.py
Define deterministic strategy winner selection based on mean accuracy.
  • Implement select_winning_strategy to compare strategy_a and strategy_b mean scores with default 0.0 when missing.
  • Break ties by favoring strategy_b to ensure deterministic behavior.
  • Add tests covering A wins, B wins, and exact tie scenarios.
code/evaluation/main.py
code/tests/test_evaluation_main.py
Add unit tests validating normalization, accuracy, and strategy selection behavior.
  • Test normalization across casing, whitespace, booleans, and None.
  • Test calculate_accuracy for full match, partial match, fully wrong predictions, empty lists, and mismatched lengths raising ValueError.
  • Test select_winning_strategy for each winner and tie-breaking toward strategy_b.
code/tests/test_evaluation_main.py

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…ain.py

Replaced exact equality checks with pytest.approx for floating point calculations in accuracy tests to avoid precision errors and fix SonarCloud CI warnings.

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
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