import random

import pytest

import unit_converter


@pytest.fixture(scope="module")
def batch_numbers():
    return [random.random() * 100 for x in range(1000)]


def python_unit_converter(celsius):
    return celsius * 1.8 + 32.0


def batch_python_unit_converter(temperatures):
    return [celsius * 1.8 + 32.0 for celsius in temperatures]


def test_using_unit_converter():
    assert unit_converter.convert_celsius_to_fahrenheit(25.0) == 77.0
    assert python_unit_converter(25.0) == 77.0


def test_using_python_constant(benchmark):
    result = benchmark(python_unit_converter, 25.0)
    assert round(result, 3) == round(77.0, 3)


def test_using_rust_constant(benchmark):
    result = benchmark(unit_converter.convert_celsius_to_fahrenheit, 25.0)
    assert round(result, 3) == round(77.0, 3)


def test_using_python(benchmark):
    temperature = random.random() * 100
    result = benchmark(python_unit_converter, temperature)
    assert round(result, 3) == round(python_unit_converter(temperature), 3)


def test_using_rust(benchmark):
    temperature = random.random() * 100
    result = benchmark(unit_converter.convert_celsius_to_fahrenheit, temperature)
    assert round(result, 3) == round(python_unit_converter(temperature), 3)


def test_using_python_batch(benchmark, batch_numbers):
    benchmark(batch_python_unit_converter, batch_numbers)


def test_using_rust_batch(benchmark, batch_numbers):
    benchmark(unit_converter.batch_convert_celsius_to_fahrenheit, batch_numbers)