Add gzip HTTP tests for SEF file and RDF/XML response

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: namedgraph

http-tests/misc/gzip-rdfxml.sh

@@ -0,0 +1,25 @@
+#!/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 "$FRONTEND_VARNISH_SERVICE"
+
+# Test that nginx gzip compression is active for RDF/XML dynamic content
+
+response=$(curl -i -k -s \
+  -H "Accept-Encoding: gzip" \
+  -H "Accept: application/rdf+xml" \
+  "$END_USER_BASE_URL")
+
+if ! echo "$response" | grep -qi "Content-Encoding: gzip"; then
+  echo "Content-Encoding: gzip not found on RDF/XML response"
+  exit 1
+fi
+
+if ! echo "$response" | grep -q "HTTP/.* 200"; then
+  echo "RDF/XML request did not return 200 OK"
+  exit 1
+fi

http-tests/misc/gzip-sefjson.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Test that nginx gzip compression is active for static JSON (SEF file)
+
+response=$(curl -i -k -s \
+  -H "Accept-Encoding: gzip" \
+  "${END_USER_BASE_URL}static/com/atomgraph/linkeddatahub/xsl/client.xsl.sef.json")
+
+if ! echo "$response" | grep -qi "Content-Encoding: gzip"; then
+  echo "Content-Encoding: gzip not found on client.xsl.sef.json"
+  exit 1
+fi
+
+if ! echo "$response" | grep -q "HTTP/.* 200"; then
+  echo "client.xsl.sef.json did not return 200 OK"
+  exit 1
+fi