remove ExampleGraphSetup, port RepeatTraversalTests to generated domains

test-schemas-domain-classes/src/main/scala/flatgraph/testdomains/generic/neighboraccessors/NodeA.scala

@@ -9,12 +9,12 @@ final class AccessNeighborsForNodeA(val node: nodes.NodeA) extends AnyVal {
     */
   def nodeAViaConnectedToIn: Iterator[nodes.NodeA] = connectedToIn.collectAll[nodes.NodeA]
 
-  /** Traverse to node_a via connected_to OUT edge.
+  /** Connected neighbor node Traverse to node_a via connected_to OUT edge.
     */
   @deprecated("please use connectedTo instead")
   def nodeAViaConnectedToOut: Iterator[nodes.NodeA] = connectedTo
 
-  /** Traverse to node_a via connected_to OUT edge.
+  /** Connected neighbor node Traverse to node_a via connected_to OUT edge.
     */
   def connectedTo: Iterator[nodes.NodeA] = connectedToOut.collectAll[nodes.NodeA]
 
@@ -29,11 +29,11 @@ final class AccessNeighborsForNodeATraversal(val traversal: Iterator[nodes.NodeA
     */
   def nodeAViaConnectedToIn: Iterator[nodes.NodeA] = traversal.flatMap(_.nodeAViaConnectedToIn)
 
-  /** Traverse to node_a via connected_to OUT edge.
+  /** Connected neighbor node Traverse to node_a via connected_to OUT edge.
     */
   def connectedTo: Iterator[nodes.NodeA] = traversal.flatMap(_.connectedTo)
 
-  /** Traverse to node_a via connected_to OUT edge.
+  /** Connected neighbor node Traverse to node_a via connected_to OUT edge.
     */
   @deprecated("please use connectedTo instead")
   def nodeAViaConnectedToOut: Iterator[nodes.NodeA] = traversal.flatMap(_.nodeAViaConnectedToOut)

test-schemas/src/main/scala/flatgraph/testdomains/generic/Schema.scala

@@ -33,7 +33,7 @@ object Schema {
 
     // TODO add support for edge properties with cardinality ONE and LIST
     val connectedTo = builder.addEdgeType("connected_to").addProperty(stringMandatory)
-    nodeA.addOutEdge(connectedTo, nodeA, stepNameOut = "connectedTo")
+    nodeA.addOutEdge(connectedTo, nodeA, stepNameOut = "connectedTo", stepNameOutDoc = "Connected neighbor node")
 
     builder.build
   }

tests/src/test/scala/flatgraph/TestGraphs.scala

@@ -3,6 +3,7 @@ package flatgraph
 import flatgraph.testdomains.generic.GenericDomain
 import flatgraph.testdomains.generic.edges.ConnectedTo
 import flatgraph.testdomains.generic.nodes.NewNodeA
+import flatgraph.testdomains.generic.Language.*
 
 import java.nio.file.Path
 
@@ -32,8 +33,7 @@ object TestGraphs {
     genericDomain
   }
 
-  /** L3 <- L2 <- L1 <- Center -> R1 -> R2 -> R3 -> R4 -> R5
-    */
+  /** L3 <- L2 <- L1 <- Center -> R1 -> R2 -> R3 -> R4 -> R5 */
   def createFlatlineGraph(): GenericDomain = {
     val genericDomain = GenericDomain.empty
     val diffGraph     = GenericDomain.newDiffGraphBuilder
@@ -74,4 +74,21 @@ object TestGraphs {
     genericDomain
   }
 
+  /** L3 <- L2 <- L1 <- Center -> R1 -> R2 -> R3 -> R4 -> R5 */
+  trait FlatlineGraphFixture {
+    val genericDomain                               = TestGraphs.createFlatlineGraph()
+    val Seq(center, l1, l2, l3, r1, r2, r3, r4, r5) = genericDomain.nodeA.sortBy(_.stringMandatory).l
+
+    // verify graph setup
+    assert(center.stringMandatory == "Center")
+    assert(l1.stringMandatory == "L1")
+    assert(l2.stringMandatory == "L2")
+    assert(l3.stringMandatory == "L3")
+    assert(r1.stringMandatory == "R1")
+    assert(r2.stringMandatory == "R2")
+    assert(r3.stringMandatory == "R3")
+    assert(r4.stringMandatory == "R4")
+    assert(r5.stringMandatory == "R5")
+  }
+
 }

tests/src/test/scala/flatgraph/algorithm/PathFinderTests.scala

@@ -2,31 +2,17 @@ package flatgraph.algorithm
 
 import flatgraph.Edge.Direction
 import flatgraph.TestGraphs
+import flatgraph.TestGraphs.FlatlineGraphFixture
 import flatgraph.algorithm.PathFinder.*
 import flatgraph.testdomains.generic.Language.*
 import flatgraph.testdomains.generic.edges.ConnectedTo
 import org.scalatest.matchers.should.Matchers.*
 import org.scalatest.wordspec.AnyWordSpec
 
-class PathFinderTests extends AnyWordSpec {
-
-  /* sample graph:
-   * L3 <- L2 <- L1 <- Center -> R1 -> R2 -> R3 -> R4 -> R5
-   */
-  val flatlineGraph                               = TestGraphs.createFlatlineGraph()
-  val Seq(center, l1, l2, l3, r1, r2, r3, r4, r5) = flatlineGraph.nodeA.sortBy(_.stringMandatory).l
-
-  "verify graph setup" in {
-    center.stringMandatory shouldBe "Center"
-    l1.stringMandatory shouldBe "L1"
-    l2.stringMandatory shouldBe "L2"
-    l3.stringMandatory shouldBe "L3"
-    r1.stringMandatory shouldBe "R1"
-    r2.stringMandatory shouldBe "R2"
-    r3.stringMandatory shouldBe "R3"
-    r4.stringMandatory shouldBe "R4"
-    r5.stringMandatory shouldBe "R5"
-  }
+/* uses 'flat line' sample graph:
+ * L3 <- L2 <- L1 <- Center -> R1 -> R2 -> R3 -> R4 -> R5
+ */
+class PathFinderTests extends AnyWordSpec with FlatlineGraphFixture {
 
   "identity" in {
     val path = PathFinder(center, center)