import pytest
import requests

from swagger_stub import swagger_stub

# This is the fixture of your stub
# You only need to specify the path of the swagger file and the address
# where you want to bind your stub.
@pytest.fixture
def test_stub():
    return swagger_stub([('swagger.yaml', 'http://foo.com')]).next()

# Then you can use this fixture anywhere you want like your API is really running.
def test_swagger_stub(test_stub):
    # Get a definition example
    test_stub.definitions['Foo']

    # Check a simple call
    response = requests.get('http://foo.com/v1/bar/')
    assert response.status_code == 200
    assert response.json() == {
      'foo': 'bar'
    }

    # Check that an invalid body cause an error
    response = requests.post('http://foo.com/v1/bar/', data='invalid data')
    assert response.status_code == 400

    # Mock a call
    test_stub.add_mock_call('get', '/test', {'mock': 'call'})
    response = requests.get('http://foo.com/v1/test')
    assert response.json() == {'mock': 'call'}

    # Set some side_effect like in the mock library
    test_stub.add_mock_side_effect('get', '/iter', [{'test': '1'}, {'test': '2'}, {'test': '3'}])
    response = requests.get('http://foo.com/v1/iter')
    assert response.json() == {'test': '1'}
    response = requests.get('http://foo.com/v1/iter')
    assert response.json() == {'test': '2'}
    response = requests.get('http://foo.com/v1/iter')
    assert response.json() == {'test': '3'}

    # This side effect will raise a custom error
    test_stub.add_mock_side_effect('get', '/error', Exception)

    with pytest.raises(Exception):
        response = requests.get('http://foo.com/v1/error')