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"""
Part of the bsfs test suite.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# 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.builder import build_backend, build_graph
## code ##
class TestBuilder(unittest.TestCase):
def test_build_backend(self):
# valid config produces a valid store
store = build_backend({'SparqlStore': {}})
self.assertIsInstance(store, SparqlStore)
self.assertIsNone(store.uri)
# cannot create an invalid store
self.assertRaises(errors.ConfigError, build_backend, {'MyStore': {}})
# must pass a dict
self.assertRaises(TypeError, build_backend, 1234)
self.assertRaises(TypeError, build_backend, 'hello world')
self.assertRaises(TypeError, build_backend, [1,2,3])
# cannot create a store from an invalid config
self.assertRaises(errors.ConfigError, build_backend, {})
self.assertRaises(errors.ConfigError, build_backend, {'SparqlStore': {}, 'OtherStore': {}})
self.assertRaises(TypeError, build_backend, {'SparqlStore': {'hello': 'world'}})
def test_build_graph(self):
# valid config produces a valid graph
graph = build_graph({'Graph': {'backend': {'SparqlStore': {}}, 'user': 'http://example.com/me'}})
self.assertIsInstance(graph, Graph)
self.assertIsInstance(graph._backend, SparqlStore)
self.assertEqual(graph._ac, NullAC(graph._backend, URI('http://example.com/me')))
# cannot create an invalid graph
self.assertRaises(errors.ConfigError, build_graph, {'MyGraph': {}})
# must pass a dict
self.assertRaises(TypeError, build_graph, 1234)
self.assertRaises(TypeError, build_graph, 'hello world')
self.assertRaises(TypeError, build_graph, [1,2,3])
# cannot create a graph from an invalid config
self.assertRaises(errors.ConfigError, build_graph, {})
self.assertRaises(errors.ConfigError, build_graph, {'Graph': {}, 'Graph2': {}})
self.assertRaises(errors.ConfigError, build_graph, {'Graph': {}})
self.assertRaises(errors.ConfigError, build_graph, {'Graph': {'user': 'http://example.com/me'}})
self.assertRaises(errors.ConfigError, build_graph, {'Graph': {'backend': 'Hello world'}})
self.assertRaises(TypeError, build_graph, {'Graph': {'user': 'http://example.com/me', 'backend': 'Hello world'}})
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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