''' Tests for ordr2.resources.base '''

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')

    with pytest.raises(NotImplementedError):
        assert resource.__acl__()


def test_base_resource_getitem_ok():
    ''' test the __getitem__ function of base resource '''
    from ordr2.resources import BaseResource, RootResource

    root = RootResource('request object')
    root.nodes = {'known': BaseResource}
    resource = root['known']

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


def test_base_resource_getitem_raises_key_error():
    ''' test the __getitem__ function of base resource '''
    from ordr2.resources import BaseResource, RootResource

    root = RootResource('request object')
    root.nodes = {'known': BaseResource}

    with pytest.raises(KeyError):
        resource = root['unknown']