test demo on helm (#2412)

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## What do these changes do?

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Add more tests under helm installation.

## Related issue number

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Fixes #2172

.github/workflows/k8s-ci.yml

@@ -402,11 +402,13 @@ jobs:
           echo "loaded learning"
 
       - name: Helm Test
+        env:
+          GS_TEST_DIR: ${{ github.workspace }}/gstest
         run: |
           cd charts
-          helm template graphscope --set image.registry="",image.tag="${SHORT_SHA}",withJupyter=false \
+          helm template graphscope --set image.registry="",image.tag="${SHORT_SHA}",withJupyter=false,volumes.enabled=true,volumes.items.data.field.path=${GS_TEST_DIR} \
                                   ./graphscope
-          helm install graphscope --set image.registry="",image.tag="${SHORT_SHA}",withJupyter=false \
+          helm install graphscope --set image.registry="",image.tag="${SHORT_SHA}",withJupyter=false,volumes.enabled=true,volumes.items.data.field.path=${GS_TEST_DIR} \
                                   ./graphscope
           helm test graphscope --timeout 5m0s
           export NODE_IP=$(kubectl get pod -lgraphscope.coordinator.name=coordinator-graphscope -ojsonpath="{.items[0].status.hostIP}")

charts/graphscope/values.yaml

@@ -30,9 +30,9 @@ volumes:
       type: hostPath
       field:
         type: Directory
-        path: /testingdata
+        path: /tmp/testingdata
       mounts:
-      - mountPath: /tmp/testingdata
+      - mountPath: /testingdata
 preemptive: true
 
 

python/graphscope/tests/kubernetes/test_demo_script.py

@@ -318,20 +318,53 @@ def get_addr_on_ci_env():
 
 
 @pytest.mark.skipif("GS_ADDR" not in os.environ, reason="GS_ADDR not specified")
-def test_helm_installation():
+def test_helm_installation(data_dir, modern_graph_data_dir):
     addr = get_addr_on_ci_env()
     sess = graphscope.session(addr=addr)
-    g = sess.g()
-    assert g is not None
-    sess.close()
-    sess = graphscope.session(addr=addr)
-    g = sess.g()
-    assert g is not None
-    sess.close()
-    sess = graphscope.session(addr=addr)
-    g = sess.g()
-    assert g is not None
-    sess.close()
+    graph = load_ldbc(sess, data_dir)
+
+    # Interactive engine
+    interactive = sess.gremlin(graph)
+    sub_graph = interactive.subgraph(  # noqa: F841
+        'g.V().hasLabel("person").outE("knows")'
+    )
+    person_count = interactive.execute(
+        'g.V().hasLabel("person").outE("knows").bothV().dedup().count()'
+    ).all()[0]
+    knows_count = interactive.execute(
+        'g.V().hasLabel("person").outE("knows").count()'
+    ).all()[0]
+    interactive2 = sess.gremlin(sub_graph)
+    sub_person_count = interactive2.execute("g.V().count()").all()[0]
+    sub_knows_count = interactive2.execute("g.E().count()").all()[0]
+    assert person_count == sub_person_count
+    assert knows_count == sub_knows_count
+
+    # Analytical engine
+    # project the projected graph to simple graph.
+    simple_g = sub_graph.project(vertices={"person": []}, edges={"knows": []})
+
+    pr_result = graphscope.pagerank(simple_g, delta=0.8)
+    tc_result = graphscope.triangles(simple_g)
+
+    # add the PageRank and triangle-counting results as new columns to the property graph
+    sub_graph.add_column(pr_result, {"Ranking": "r"})
+    sub_graph.add_column(tc_result, {"TC": "r"})
+
+    # test subgraph on modern graph
+    mgraph = load_modern_graph(sess, modern_graph_data_dir)
+
+    # Interactive engine
+    minteractive = sess.gremlin(mgraph)
+    msub_graph = minteractive.subgraph(  # noqa: F841
+        'g.V().hasLabel("person").outE("knows")'
+    )
+    person_count = minteractive.execute(
+        'g.V().hasLabel("person").outE("knows").bothV().dedup().count()'
+    ).all()[0]
+    msub_interactive = sess.gremlin(msub_graph)
+    sub_person_count = msub_interactive.execute("g.V().count()").all()[0]
+    assert person_count == sub_person_count
 
 
 def test_modualize():