diff --git a/model/transform/src/test/scala/aqua/model/transform/topology/OpModelTreeCursorSpec.scala b/model/transform/src/test/scala/aqua/model/transform/topology/OpModelTreeCursorSpec.scala
index 6bb3430d..a1425652 100644
--- a/model/transform/src/test/scala/aqua/model/transform/topology/OpModelTreeCursorSpec.scala
+++ b/model/transform/src/test/scala/aqua/model/transform/topology/OpModelTreeCursorSpec.scala
@@ -7,6 +7,7 @@ import aqua.raw.value.{LiteralRaw, ValueRaw, VarRaw}
 import aqua.raw.ops.{Call, FuncOp, OnTag}
 import aqua.raw.value.{ValueRaw, VarRaw}
 import aqua.types.{ArrayType, ScalarType}
+
 import cats.data.{Chain, NonEmptyList}
 import org.scalatest.flatspec.AnyFlatSpec
 import org.scalatest.matchers.should.Matchers
diff --git a/model/transform/src/test/scala/aqua/model/transform/topology/PathFinderSpec.scala b/model/transform/src/test/scala/aqua/model/transform/topology/PathFinderSpec.scala
new file mode 100644
index 00000000..3b317620
--- /dev/null
+++ b/model/transform/src/test/scala/aqua/model/transform/topology/PathFinderSpec.scala
@@ -0,0 +1,34 @@
+package aqua.model.transform.topology
+
+import aqua.model.*
+import aqua.model.transform.ModelBuilder
+import aqua.types.ScalarType
+
+import cats.data.Chain
+import cats.syntax.show.*
+import org.scalatest.flatspec.AnyFlatSpec
+import org.scalatest.matchers.should.Matchers
+
+class PathFinderSpec extends AnyFlatSpec with Matchers {
+
+  val relay = ValueModel.fromRaw(ModelBuilder.relayV)
+  val initPeer = ValueModel.fromRaw(ModelBuilder.initPeer)
+
+  val relayOn = OnModel(relay, Chain.empty)
+  val initPeerRelayOn = OnModel(initPeer, Chain.one(relay))
+
+  it should "find path from (op, or) -> r -> (i, r) to r -> (i, r)" in {
+
+    val otherPeer = VarModel("other-peer", ScalarType.string)
+    val otherRelay = VarModel("other-relay", ScalarType.string)
+    val otherPeerRelayOn = OnModel(otherPeer, Chain.one(otherRelay))
+
+    val from = TopologyPath(otherPeerRelayOn :: relayOn :: initPeerRelayOn :: Nil)
+    val to = TopologyPath(relayOn :: initPeerRelayOn :: Nil)
+
+    val path = PathFinder.findPath(from, to)
+
+    path shouldBe Chain.one(otherRelay)
+  }
+
+}