bsfs lib and builders

1 files changed, 64 insertions, 0 deletions

diff --git a/test/front/test_builder.py b/test/front/test_builder.py
new file mode 100644
index 0000000..08f2027
--- /dev/null
+++ b/test/front/test_builder.py
@@ -0,0 +1,64 @@
+"""
+
+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.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._user, 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 ##