''' Test package for ordr2.resources '''

import pytest


def test_base_resource_init():
    ''' test __init__ function of base resource '''
    from ordr2.resources import BaseResource, RootResource
    root = RootResource('request object')

    resource = BaseResource('resource name', root)

    assert resource.__name__ == 'resource name'
    assert resource.__parent__ == root
    assert resource.request == 'request object'


@pytest.mark.parametrize(
    'segment', [
        'known',
        pytest.mark.xfail('unknown', raises=KeyError)
        ]
    )
def test_base_resource_getitem(segment):
    ''' test the __getitem__ function of base resource '''
    from ordr2.resources import BaseResource, RootResource
    root = RootResource('request object')
    root.nodes = {'known': BaseResource}

    resource = root[segment]

    assert resource.__name__ == segment
    assert resource.__parent__ == root
    assert resource.request == 'request object'


def test_root_resource_init():
    ''' test __init__ function of root resource '''
    from ordr2.resources import RootResource

    resource = RootResource('request object')

    assert resource.__name__ is None
    assert resource.__parent__ is None
    assert resource.request == 'request object'