Add tests for pyoxigraph parse and serialize functions

python/tests/test_io.py

@@ -0,0 +1,44 @@
+import unittest
+import io
+
+from pyoxigraph import *
+
+
+class TestParse(unittest.TestCase):
+    def test_parse(self):
+        input = io.BytesIO(b'<foo> <p> "1" .')
+        result = list(parse(input, "text/turtle", base_iri="http://example.com/"))
+
+        self.assertEqual(
+            result,
+            [
+                Triple(
+                    NamedNode("http://example.com/foo"),
+                    NamedNode("http://example.com/p"),
+                    Literal(
+                        "1",
+                        datatype=NamedNode("http://www.w3.org/2001/XMLSchema#string"),
+                    ),
+                )
+            ],
+        )
+
+
+class TestSerialize(unittest.TestCase):
+    def test_serialize(self):
+        output = io.BytesIO()
+        serialize(
+            [
+                Triple(
+                    NamedNode("http://example.com"),
+                    NamedNode("http://example.com/p"),
+                    Literal("1"),
+                )
+            ],
+            output,
+            "text/turtle",
+        )
+
+        self.assertEqual(
+            output.getvalue(), b'<http://example.com> <http://example.com/p> "1" .\n'
+        )