"""Unit tests for request util."""

import pytest

from ledger.constants.constants import ERROR_INVALID_LIMIT_OFFSET
from ledger.constants.error import ERROR_POST_REQUEST_DUPLICATE_RECORDS
from ledger.utils.request import (
    validate_pagination_params,
    validate_post_request_contains_unique_data,
)


def test_validate_pagination_params_success():
    """Test validate_pagination_params when all parameters are valid."""
    params = {'limit': 1, 'offset': 0}
    expected_response = {'limit': 1, 'offset': 0}

    res = validate_pagination_params(**params)

    assert res == expected_response


def test_validate_pagination_params_error():
    """Test validate_pagination_params for an invalid params."""
    with pytest.raises(Exception, match=ERROR_INVALID_LIMIT_OFFSET):
        params = {'limit': 'test', 'offset': 0}
        validate_pagination_params(**params)


def test_validate_post_request_contains_unique_data(
    mock_bulk_ledger_correction_request_body,
):
    """Test _validate_post_request_contains_unique_data function.

    if request body contains unique data.
    """
    mock_post_request = mock_bulk_ledger_correction_request_body

    res = validate_post_request_contains_unique_data(mock_post_request)

    assert res is True


def test_validate_post_request_contains_non_unique_data(
    mock_bulk_ledger_correction_request_body,
):
    """Test _validate_post_request_contains_unique_data function.

    if request body contains non-unique data.
    """
    mock_post_request = mock_bulk_ledger_correction_request_body
    mock_post_request.append(mock_bulk_ledger_correction_request_body[0])

    with pytest.raises(Exception) as excinfo:
        validate_post_request_contains_unique_data(mock_post_request)

    (msg,) = excinfo.value.args
    assert msg == ERROR_POST_REQUEST_DUPLICATE_RECORDS.format(
        mock_bulk_ledger_correction_request_body[0]
    )