Improve exception message

Co-Authored-By: Florentin Dörre <[email protected]>
Co-authored-by: Paul Horn <[email protected]>

Author: 3 people

core/src/main/java/org/neo4j/gds/core/loading/CSRGraphStoreUtil.java

@@ -67,7 +67,7 @@ public static CSRGraphStore createFromGraph(
 
             if (!graph.hasRelationshipProperty()) {
                 throw new IllegalArgumentException(formatWithLocale(
-                    "Relationship property name '%s' does not exist in the graph.",
+                    "Expected relationship property '%s', but graph has none.",
                     property
                 ));
             }

core/src/test/java/org/neo4j/gds/core/loading/CSRGraphStoreUtilTest.java

@@ -78,7 +78,7 @@ void shouldValidateRelationshipPropertyKey() {
                 1
             );
         })
-            .hasMessage("Relationship property name 'prop1' does not exist in the graph.");
+            .hasMessage("Expected relationship property 'prop1', but graph has none.");
     }
 
 }

proc/catalog/src/test/java/org/neo4j/gds/beta/generator/GraphGenerateProcTest.java

@@ -164,7 +164,7 @@ void shouldGenerateGraphWithDefaults() {
 
     @Test
     void shouldGenerateDefaultEmptySchemaWithoutProperties() {
-        String query = "CALL gds.beta.graph.generate('g', 10000, 5, {relationshipDistribution: 'RANDOM'})";
+        String query = "CALL gds.beta.graph.generate('g', 4, 2, {relationshipDistribution: 'RANDOM'})";
         runQuery(query);
 
         var graph = GraphStoreCatalog.get(this.getUsername(), this.db.databaseId(), "g").graphStore();