Skip the test if the sparql endpoints host is not available

Author: white-gecko

examples/sparqlstore_example.py

@@ -1,6 +1,8 @@
 """
 Simple examples showing how to use the SPARQLStore
 """
+from urllib.request import urlopen
+import sys
 
 from rdflib import Graph, Namespace, URIRef
 from rdflib.plugins.stores.sparqlstore import SPARQLUpdateStore, SPARQLStore
@@ -18,6 +20,14 @@
 
 # THIS WILL ADD DATA TO THE /db dataset
 
+
+HOST = "http://localhost:3030"
+try:
+    assert len(urlopen(HOST).read()) > 0
+except Exception:
+    print(f"{HOST} is unavailable.")
+    sys.exit(126)
+
 if __name__ == "__main__":
     dbo = Namespace("http://dbpedia.org/ontology/")
     dbr = Namespace("http://dbpedia.org/resource/")

test/test_examples.py

@@ -39,11 +39,7 @@ def test_example(example_file: Path) -> None:
 
     try:
         result.check_returncode()
-    except subprocess.CalledProcessError:
-        if (
-            example_file.stem == "sparqlstore_example"
-            and "http.client.RemoteDisconnected: Remote end closed connection without response"
-            in result.stderr.decode("utf-8")
-        ):
-            pytest.skip("this test uses dbpedia which is down sometimes")
+    except subprocess.CalledProcessError as process_error:
+        if (process_error.returncode == 126):
+            pytest.skip("This test returned 126 indikating to skip it.")
         raise