"""Test utilities for validation."""
import json
from unittest.mock import MagicMock
from unittest.mock import Mock
from unittest.mock import patch

from flask import Request
from flask import Response

from ows_product_physical.validation import validation


def get_validation_response(rule, method='GET', headers=None, body=None):
    """Run fake request through validators and return result."""
    request = MagicMock(
        spec=Request,
        method=method,
        url_rule=MagicMock(rule=rule),
        headers=headers or {},
        get_json=Mock(return_value=body))

    success_response = MagicMock(spec=Response, status_code=200)
    func = validation.raml_validate(lambda: success_response)
    with patch.object(validation, 'request', request):
        return func()


def parse_data(response):
    """Decode response data."""
    return json.loads(response.data.decode('utf-8'))