Adding algorithms to GraphQL

python/tests/test_base_install/test_graphql/test_algorithms_graphql.py

@@ -0,0 +1,52 @@
+from raphtory import Graph
+
+from utils import run_graphql_test
+
+
+def init_graph(graph: Graph):
+    graph.add_edge(1, "a", "b")
+    graph.add_edge(2, "a", "c")
+    graph.add_edge(3, "b", "c")
+    return graph
+
+
+def test_algorithm_pagerank():
+    graph = init_graph(Graph())
+    query = """{
+      graph(path: "g") {
+        algorithm {
+          pagerank(iterCount: 20) {
+            count
+            nodes { list { name } }
+            columns {
+              name
+              values {
+                __typename
+                ... on NodeStateProp { prop }
+              }
+            }
+          }
+        }
+      }
+    }"""
+    expected_output = {
+        "graph": {
+            "algorithm": {
+                "pagerank": {
+                    "count": 3,
+                    "nodes": {"list": [{"name": "a"}, {"name": "b"}, {"name": "c"}]},
+                    "columns": [
+                        {
+                            "name": "pagerank_score",
+                            "values": [
+                                { "__typename": "NodeStateProp", "prop": 0.197580035313204 },
+                                { "__typename": "NodeStateProp", "prop": 0.28155081033755053 },
+                                { "__typename": "NodeStateProp", "prop": 0.5208691543492454 },
+                            ],
+                        }
+                    ],
+                }
+            }
+        }
+    }
+    run_graphql_test(query, expected_output, graph)

raphtory-graphql/Cargo.toml

@@ -24,6 +24,7 @@ jsonwebtoken = { workspace = true }
 spki = { workspace = true }
 thiserror = { workspace = true }
 itertools = { workspace = true }
+rand = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 once_cell = { workspace = true }