''' 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, 'model instance')

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


def test_base_resource_acl():
    ''' test __acl__ function of base resource '''
    from ordr2.resources import BaseResource, RootResource
    from pyramid.security import DENY_ALL

    root = RootResource('request object')
    resource = BaseResource('resource name', root, 'model instance')

    assert resource.__acl__() == [ DENY_ALL ]


@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__ == 'known'
    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'


def test_root_resource_acl():
    ''' test __acl__ function of root resource '''
    from ordr2.resources import RootResource
    from pyramid.security import Allow, Everyone

    root = RootResource('request object')

    assert root.__acl__() == [ (Allow, Everyone, 'view') ]