langchain/libs/community/tests/unit_tests/utils/test_math.py
Bagatur a0c2281540
infra: update mypy 1.10, ruff 0.5 (#23721)
```python
"""python scripts/update_mypy_ruff.py"""
import glob
import tomllib
from pathlib import Path

import toml
import subprocess
import re

ROOT_DIR = Path(__file__).parents[1]


def main():
    for path in glob.glob(str(ROOT_DIR / "libs/**/pyproject.toml"), recursive=True):
        print(path)
        with open(path, "rb") as f:
            pyproject = tomllib.load(f)
        try:
            pyproject["tool"]["poetry"]["group"]["typing"]["dependencies"]["mypy"] = (
                "^1.10"
            )
            pyproject["tool"]["poetry"]["group"]["lint"]["dependencies"]["ruff"] = (
                "^0.5"
            )
        except KeyError:
            continue
        with open(path, "w") as f:
            toml.dump(pyproject, f)
        cwd = "/".join(path.split("/")[:-1])
        completed = subprocess.run(
            "poetry lock --no-update; poetry install --with typing; poetry run mypy . --no-color",
            cwd=cwd,
            shell=True,
            capture_output=True,
            text=True,
        )
        logs = completed.stdout.split("\n")

        to_ignore = {}
        for l in logs:
            if re.match("^(.*)\:(\d+)\: error:.*\[(.*)\]", l):
                path, line_no, error_type = re.match(
                    "^(.*)\:(\d+)\: error:.*\[(.*)\]", l
                ).groups()
                if (path, line_no) in to_ignore:
                    to_ignore[(path, line_no)].append(error_type)
                else:
                    to_ignore[(path, line_no)] = [error_type]
        print(len(to_ignore))
        for (error_path, line_no), error_types in to_ignore.items():
            all_errors = ", ".join(error_types)
            full_path = f"{cwd}/{error_path}"
            try:
                with open(full_path, "r") as f:
                    file_lines = f.readlines()
            except FileNotFoundError:
                continue
            file_lines[int(line_no) - 1] = (
                file_lines[int(line_no) - 1][:-1] + f"  # type: ignore[{all_errors}]\n"
            )
            with open(full_path, "w") as f:
                f.write("".join(file_lines))

        subprocess.run(
            "poetry run ruff format .; poetry run ruff --select I --fix .",
            cwd=cwd,
            shell=True,
            capture_output=True,
            text=True,
        )


if __name__ == "__main__":
    main()

```
2024-07-03 10:33:27 -07:00

97 lines
3.1 KiB
Python

"""Test math utility functions."""
import importlib
from typing import List
import numpy as np
import pytest
from langchain_community.utils.math import cosine_similarity, cosine_similarity_top_k
@pytest.fixture
def X() -> List[List[float]]:
return [[1.0, 2.0, 3.0], [0.0, 1.0, 0.0], [1.0, 2.0, 0.0]]
@pytest.fixture
def Y() -> List[List[float]]:
return [[0.5, 1.0, 1.5], [1.0, 0.0, 0.0], [2.0, 5.0, 2.0], [0.0, 0.0, 0.0]]
def test_cosine_similarity_zero() -> None:
X = np.zeros((3, 3))
Y = np.random.random((3, 3))
expected = np.zeros((3, 3))
actual = cosine_similarity(X, Y)
assert np.allclose(expected, actual)
def test_cosine_similarity_identity() -> None:
X = np.random.random((4, 4))
expected = np.ones(4)
actual = np.diag(cosine_similarity(X, X))
assert np.allclose(expected, actual)
def test_cosine_similarity_empty() -> None:
empty_list: List[List[float]] = []
assert len(cosine_similarity(empty_list, empty_list)) == 0
assert len(cosine_similarity(empty_list, np.random.random((3, 3)))) == 0
def test_cosine_similarity(X: List[List[float]], Y: List[List[float]]) -> None:
expected = [
[1.0, 0.26726124, 0.83743579, 0.0],
[0.53452248, 0.0, 0.87038828, 0.0],
[0.5976143, 0.4472136, 0.93419873, 0.0],
]
actual = cosine_similarity(X, Y)
assert np.allclose(expected, actual)
def test_cosine_similarity_top_k(X: List[List[float]], Y: List[List[float]]) -> None:
expected_idxs = [(0, 0), (2, 2), (1, 2), (0, 2), (2, 0)]
expected_scores = [1.0, 0.93419873, 0.87038828, 0.83743579, 0.5976143]
actual_idxs, actual_scores = cosine_similarity_top_k(X, Y)
assert actual_idxs == expected_idxs
assert np.allclose(expected_scores, actual_scores)
def test_cosine_similarity_score_threshold(
X: List[List[float]], Y: List[List[float]]
) -> None:
expected_idxs = [(0, 0), (2, 2)]
expected_scores = [1.0, 0.93419873]
actual_idxs, actual_scores = cosine_similarity_top_k(
X, Y, top_k=None, score_threshold=0.9
)
assert actual_idxs == expected_idxs
assert np.allclose(expected_scores, actual_scores)
def invoke_cosine_similarity_top_k_score_threshold(
X: List[List[float]], Y: List[List[float]]
) -> None:
expected_idxs = [(0, 0), (2, 2), (1, 2), (0, 2)]
expected_scores = [1.0, 0.93419873, 0.87038828, 0.83743579]
actual_idxs, actual_scores = cosine_similarity_top_k(X, Y, score_threshold=0.8)
assert actual_idxs == expected_idxs
assert np.allclose(expected_scores, actual_scores)
def test_cosine_similarity_top_k_and_score_threshold(
X: List[List[float]], Y: List[List[float]]
) -> None:
if importlib.util.find_spec("simsimd"):
raise ValueError("test should be run without simsimd installed.")
invoke_cosine_similarity_top_k_score_threshold(X, Y)
@pytest.mark.requires("simsimd")
def test_cosine_similarity_top_k_and_score_threshold_with_simsimd(
X: List[List[float]], Y: List[List[float]]
) -> None:
# Same test, but ensuring simsimd is available in the project through the import.
invoke_cosine_similarity_top_k_score_threshold(X, Y)