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Testing Type Conversion Utility Implementation in AutoGPT

This test suite validates the type conversion utility in AutoGPT’s backend, ensuring robust data type transformations across various Python types. It covers comprehensive conversion scenarios between primitive types, collections, and generic type hints.

Test Coverage Overview

The test suite provides extensive coverage of type conversion scenarios, including:

Numeric conversions between int and float
String to boolean conversions
Collection type conversions (list, dict, tuple, set)
Generic type hint handling with List[T]
Complex nested structure conversions

Key edge cases include handling of JSON strings, type coercion, and collection transformations.

Implementation Analysis

The testing approach employs pytest’s assertion framework to verify type conversion accuracy. It follows a systematic pattern of testing each target type with multiple source types, ensuring bidirectional conversion compatibility. The implementation leverages Python’s type system and typing module for generic type handling.

Technical Details

Testing tools and configuration:

Python’s built-in assert statements
pytest framework
typing module for generic type hints
JSON string parsing capabilities
Native Python type conversion functions

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Comprehensive type coverage
Clear test case organization
Explicit assertion statements
Edge case handling
Generic type support validation

Each test case is focused and validates a specific aspect of the type conversion functionality.

significant-gravitas/autogpt

autogpt_platform/backend/test/util/test_type.py

            
from backend.util.type import convert


def test_type_conversion():
    assert convert(5.5, int) == 5
    assert convert("5.5", int) == 5
    assert convert([1, 2, 3], int) == 3

    assert convert("5.5", float) == 5.5
    assert convert(5, float) == 5.0

    assert convert("True", bool) is True
    assert convert("False", bool) is False

    assert convert(5, str) == "5"
    assert convert({"a": 1, "b": 2}, str) == '{"a": 1, "b": 2}'
    assert convert([1, 2, 3], str) == "[1, 2, 3]"

    assert convert("5", list) == ["5"]
    assert convert((1, 2, 3), list) == [1, 2, 3]
    assert convert({1, 2, 3}, list) == [1, 2, 3]

    assert convert("5", dict) == {"value": 5}
    assert convert('{"a": 1, "b": 2}', dict) == {"a": 1, "b": 2}
    assert convert([1, 2, 3], dict) == {0: 1, 1: 2, 2: 3}
    assert convert((1, 2, 3), dict) == {0: 1, 1: 2, 2: 3}

    from typing import List

    assert convert("5", List[int]) == [5]
    assert convert("[5,4,2]", List[int]) == [5, 4, 2]
    assert convert([5, 4, 2], List[str]) == ["5", "4", "2"]