"""Tests fixture plugin for pytest."""

import pytest

from owsrequest import request
from owsrequest.utils import fixture_plugin
from owsrequest.utils import mock_request


pytest_plugins = 'owsrequest.utils.fixture_plugin'


def test_fixture_added():
    """Check that engine is mocked even fixture not specified."""
    with pytest.raises(fixture_plugin.OwsrequestMockException):
        request.process(
            'test_app', 'test', 'GET', 'service', '/path', correlation_id='a')


def test_any_service_exist(request_engine):
    """Test services autocreation in fixture."""
    assert isinstance(request_engine['foo'], fixture_plugin.ServiceRouter)


def test_direct_path_match():
    """Test mocking by path exact matching."""
    mock = mock_request.post('service', '/path/smth', {'foo': 'bar'})
    response = request.process(
        'test_app', 'test', 'POST', 'service', '/path/smth',
        correlation_id='a')
    assert mock.called
    assert response.status_code == 200
    assert response.text == '{"foo": "bar"}'
    with pytest.raises(fixture_plugin.OwsrequestMockException):
        request.process(
            'test_app', 'test', 'POST', 'service', '/path/other',
            correlation_id='a')


def test_regexp_path():
    """Test mocking by regexp path."""
    mock = mock_request.post(
        'service', r'/path/\w+', {'foo': 'bar'}, status=418)
    response = request.process(
        'test_app', 'test', 'POST', 'service', '/path/smth',
        correlation_id='a')
    assert mock.called
    assert response.status_code == 418
    assert response.text == '{"foo": "bar"}'
    with pytest.raises(fixture_plugin.OwsrequestMockException):
        request.process(
            'test_app', 'test', 'POST', 'service', '/other',
            correlation_id='a')


def test_invalid_method():
    """Test calling mock with invalid method."""
    mock_request.post('service', '/path/smth', {'foo': 'bar'})
    with pytest.raises(fixture_plugin.OwsrequestMockException):
        request.process(
            'test_app', 'test', 'GET', 'service', '/path/smth',
            correlation_id='a')


class Effect(Exception):
    """Exception class for test side effect."""


def test_exception_side_effect():
    """Test request side effect exception instance."""
    mock = mock_request.post('service', '/path/smth', Effect())
    with pytest.raises(Effect):
        request.process(
            'test_app', 'test', 'POST', 'service', '/path/smth',
            correlation_id='a')
    assert mock.called


def test_exception_class_side_effect():
    """Test request side effect exception class."""
    mock = mock_request.post('service', '/path/smth', Effect)
    with pytest.raises(Effect):
        request.process(
            'test_app', 'test', 'POST', 'service', '/path/smth',
            correlation_id='a')
    assert mock.called


def test_empty_response():
    """Test empty mock response body."""
    mock = mock_request.post('service', '/path/smth')
    response = request.process(
        'test_app', 'test', 'POST', 'service', '/path/smth',
        correlation_id='a')
    assert mock.called
    assert response.status_code == 200
    assert response.text == '{}'


def test_any_request_method(request_engine):
    """Test any method call spec."""
    mock = request_engine['service'].add_spec('*', '/path/smth')
    response = request.process(
        'test_app', 'test', 'GET', 'service', '/path/smth',
        correlation_id='a')
    assert response.status_code == 200
    response = request.process(
        'test_app', 'test', 'POST', 'service', '/path/smth',
        correlation_id='a')
    assert mock.called
    assert response.status_code == 200
    assert len(mock.calls) == 2
    assert mock.calls[0]['method'] == 'GET'
    assert mock.calls[1]['method'] == 'POST'


@pytest.mark.parametrize(
    'method', ['GET', 'HEAD', 'OPTIONS', 'POST', 'PUT', 'DELETE', '*'])
def test_mock_request(method):
    """Test mock_request shortcuts."""
    func = getattr(mock_request, 'any' if method == '*' else method.lower())
    mock = func('service', '/path/smth')
    test_method = 'GET' if method == '*' else method
    response = request.process(
        'test_app', 'test', test_method, 'service', '/path/smth',
        correlation_id='a')
    assert mock.called
    assert response.status_code == 200