add test for embed export

Author: JuliusFiedler

src/pyirk/core.py

@@ -2860,7 +2860,7 @@ def is_subproperty(item: Item, parent_property: Item):
         return is_subproperty(item.R17, parent_property)
 
 
-def export_entities(path: str, to_file=True, uris=True):
+def export_entities(path: str = None, to_file=True, uris=True):
     d = {}
     entities = [ds.items, ds.relations]
     for entity in entities:
@@ -2896,6 +2896,7 @@ def export_entities(path: str, to_file=True, uris=True):
             d[k] = out
     # todo do we want uris in these statements?
     if to_file:
+        assert os.path.isfile(path), "invalid filepath"
         with open(path, "w") as f:
             yaml.dump(d, f)
     return d

tests/test_core.py

@@ -2276,3 +2276,12 @@ def test_b04__zebra_puzzle_unlinked_items(self):
         self.assertFalse(rdflib.URIRef(zp.person11.uri) in g.objects())
 
         os.unlink(fpath)
+
+    def test_b05__embedding_export(self):
+        res = p.export_entities(to_file=False)
+        self.assertIn(
+            "'irk:/builtins#I23 equation' 'irk:/builtins#R3 is subclass of' 'irk:/builtins#I21 mathematical relation'",
+            res["irk:/builtins#I23"],
+        )
+        res = p.export_entities(to_file=False, uris=False)
+        self.assertIn("'equation' 'is subclass of' 'mathematical relation'", res["irk:/builtins#I23"])