# imports
import unittest

# bsie imports
from bsfs.graph import Graph
from bsfs.graph.ac import NullAC
from bsfs.triple_store import SparqlStore
from bsfs.utils import errors, URI

# objects to test
from bsfs.front.bsfs import Open


## code ##

class TestBSFS(unittest.TestCase):
    def test_open(self):
        # valid config produces a valid graph
        config = {'Graph': {'backend': {'SparqlStore': {}}, 'user': 'http://example.com/me'}}
        graph = Open(config)
        self.assertIsInstance(graph, Graph)
        self.assertIsInstance(graph._backend, SparqlStore)
        self.assertEqual(graph._ac, NullAC(graph._backend, URI('http://example.com/me')))
        # invalid config raises an error
        self.assertRaises(errors.ConfigError, Open, {})


## main ##

if __name__ == '__main__':
    unittest.main()

## EOF ##