HTTP test for bnodes after PATCH

Author: namedgraph

http-tests/document-hierarchy/PATCH-blank-node-skolemized.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+initialize_dataset "$END_USER_BASE_URL" "$TMP_END_USER_DATASET" "$END_USER_ENDPOINT_URL"
+initialize_dataset "$ADMIN_BASE_URL" "$TMP_ADMIN_DATASET" "$ADMIN_ENDPOINT_URL"
+purge_cache "$END_USER_VARNISH_SERVICE"
+purge_cache "$ADMIN_VARNISH_SERVICE"
+purge_cache "$FRONTEND_VARNISH_SERVICE"
+
+# add agent to the writers group
+
+add-agent-to-group.sh \
+  -f "$OWNER_CERT_FILE" \
+  -p "$OWNER_CERT_PWD" \
+  --agent "$AGENT_URI" \
+  "${ADMIN_BASE_URL}acl/groups/writers/"
+
+# PATCH the root with an INSERT that introduces a blank node.
+# Use rdf:_99 to avoid colliding with existing rdf:_1..rdf:_8 in the test dataset.
+# Expected: 204 No Content; the blank node is skolemized to a hash URI before persisting.
+
+update=$(cat <<EOF
+PREFIX  rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX  dct:  <http://purl.org/dc/terms/>
+
+INSERT
+{
+  <${END_USER_BASE_URL}> rdf:_99 _:bnode0 .
+  _:bnode0 dct:title "Blank node title"
+}
+WHERE
+{}
+EOF
+)
+
+curl -k -w "%{http_code}\n" -o /dev/null -f -s \
+  -E "$AGENT_CERT_FILE":"$AGENT_CERT_PWD" \
+  -X PATCH \
+  -H "Content-Type: application/sparql-update" \
+  "$END_USER_BASE_URL" \
+   --data-binary "$update" \
+| grep -q "$STATUS_NO_CONTENT"
+
+# fetch the persisted graph and verify the blank node was skolemized to a hash URI
+
+response=$(curl -k -f -s -G \
+  -E "$AGENT_CERT_FILE":"$AGENT_CERT_PWD" \
+  -H "Accept: application/n-triples" \
+  "$END_USER_BASE_URL")
+
+rdf_99_line=$(echo "$response" | grep -E "^<${END_USER_BASE_URL}> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_99>" || true)
+
+[ -n "$rdf_99_line" ] || exit 1
+
+# object of rdf:_99 must be a URI (<...>), not a blank node label (_:...)
+! echo "$rdf_99_line" | grep -qE '_:[A-Za-z0-9]+ \.$'
+echo "$rdf_99_line" | grep -qE '<\S+> \.$'