Merge pull request #106 from iolanta-tech/from-rdf-manifest-tdi12

`fromRdf-manifest#tdi12` is 🟢

tests/conftest.py

@@ -0,0 +1,52 @@
+import json
+from typing import Callable
+
+import pytest
+from pydantic import ValidationError
+
+from ldtest.models import TestCase
+from tests.errors import FailureToFail
+from yaml_ld.errors import YAMLLDError
+
+
+@pytest.fixture()
+def verify_from_rdf():
+    def _test(
+        test_case: TestCase,
+        from_rdf: Callable,
+    ) -> None:
+        if isinstance(test_case.result, str):
+            try:
+                rdf_document = from_rdf(
+                    test_case.raw_document.decode(),
+                    **test_case.kwargs,
+                )
+            except YAMLLDError as error:
+                assert error.code == test_case.result
+                return
+
+            else:
+                raise FailureToFail(
+                    test_case=test_case,
+                    expected_error_code=test_case.result,
+                    raw_document=test_case.raw_document,
+                    expanded_document=rdf_document,
+                )
+
+        try:
+            actual_ld = from_rdf(
+                test_case.raw_document.decode(),
+                **test_case.kwargs,
+            )
+        except ValidationError:
+            raise ValueError(
+                f'{test_case.raw_document!r} has type '
+                f'{type(test_case.raw_document)}, that is not what {from_rdf} '
+                'expects.',
+            )
+
+        expected_ld = json.loads(test_case.raw_expected_document)
+
+        assert actual_ld == expected_ld
+
+    return _test

tests/test_specification.py

@@ -278,11 +278,23 @@ def test_expand(
 @pytest.mark.parametrize('test_case', load_tests(tests.FromRDFTest), ids=_get_id)
 def test_from_rdf(
     test_case: TestCase,
+    verify_from_rdf,
 ):
-    actual_ld = yaml_ld.from_rdf(test_case.raw_document)
-
-    expected_ld = json.loads(test_case.raw_expected_document)
-    assert actual_ld == expected_ld
+    try:
+        verify_from_rdf(
+            test_case=test_case,
+            from_rdf=yaml_ld.from_rdf,
+        )
+    except AssertionError:
+        try:
+            verify_from_rdf(
+                test_case=test_case,
+                from_rdf=jsonld.from_rdf,
+            )
+        except AssertionError:
+            pytest.skip('This test fails for pyld as well as for yaml-ld.')
+        else:
+            raise
 
 
 @pytest.mark.parametrize('test_case', load_tests(tests.CompactTest), ids=_get_id)