From 2b95832cf7f5369af3bd707765794ac4159485e8 Mon Sep 17 00:00:00 2001
From: Mikolaj Wielgus <wielgusmikolaj@gmail.com>
Date: Sat, 19 Jul 2025 16:11:08 +0200
Subject: [PATCH] test: Test tht_de9_to_tht_de9 with permuted autorouting as
 well

---
 tests/common/mod.rs                           | 32 ++++++-
 tests/single_layer.rs                         |  9 +-
 .../tht_de9_to_tht_de9/autoroute_all.cmd      | 92 +++++++++++++++++++
 3 files changed, 127 insertions(+), 6 deletions(-)
 create mode 100644 tests/single_layer/tht_de9_to_tht_de9/autoroute_all.cmd

diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 0a71a2b..588081a 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -12,7 +12,7 @@ use topola::{
         Autorouter,
     },
     board::{edit::BoardEdit, AccessMesadata, Board},
-    drawing::graph::GetMaybeNet,
+    drawing::graph::{GetMaybeNet, PrimitiveIndex},
     geometry::{shape::MeasureLength, GenericNode, GetLayer},
     graph::{GetPetgraphIndex, MakeRef},
     router::{navmesh::Navmesh, RouterOptions},
@@ -77,10 +77,7 @@ pub fn replay_and_assert(invoker: &mut Invoker<SpecctraMesadata>, filename: &str
     let file = File::open(filename).unwrap();
     let history: History = serde_json::from_reader(file).unwrap();
 
-    for _ in 0..history.done().len() {
-        invoker.undo().unwrap();
-    }
-
+    undo_all_and_assert(invoker);
     invoker.replay(history);
 
     assert_eq!(
@@ -89,6 +86,31 @@ pub fn replay_and_assert(invoker: &mut Invoker<SpecctraMesadata>, filename: &str
     );
 }
 
+pub fn undo_all_and_assert(invoker: &mut Invoker<SpecctraMesadata>) {
+    for _ in 0..invoker.history().done().len() {
+        invoker.undo().unwrap();
+    }
+
+    assert!(matches!(
+        invoker.undo(),
+        Err(InvokerError::History(HistoryError::NoPreviousCommand))
+    ));
+
+    assert_no_loose_nodes(invoker.autorouter());
+}
+
+pub fn assert_no_loose_nodes(autorouter: &Autorouter<impl AccessMesadata>) {
+    for node in autorouter.board().layout().drawing().primitive_nodes() {
+        match node {
+            PrimitiveIndex::LooseDot(..)
+            | PrimitiveIndex::LoneLooseSeg(..)
+            | PrimitiveIndex::SeqLooseSeg(..)
+            | PrimitiveIndex::LooseBend(..) => assert!(false),
+            _ => (),
+        }
+    }
+}
+
 pub fn assert_navnode_count(
     autorouter: &mut Autorouter<SpecctraMesadata>,
     origin_pin: &str,
diff --git a/tests/single_layer.rs b/tests/single_layer.rs
index dc290de..b086445 100644
--- a/tests/single_layer.rs
+++ b/tests/single_layer.rs
@@ -24,9 +24,16 @@ fn test_tht_de9_to_tht_de9() {
         "tests/single_layer/tht_de9_to_tht_de9/autoroute_all_in_an_order.cmd",
     );
 
-    let (mut autorouter, ..) = invoker.dissolve();
+    let (mut autorouter, history, ..) = invoker.dissolve();
 
     common::assert_single_layer_groundless_autoroute(&mut autorouter, "F.Cu");
+
+    invoker = Invoker::new_with_history(autorouter, history);
+    common::undo_all_and_assert(&mut invoker);
+    common::replay_and_assert(
+        &mut invoker,
+        "tests/single_layer/tht_de9_to_tht_de9/autoroute_all.cmd",
+    );
 }
 
 #[test]
diff --git a/tests/single_layer/tht_de9_to_tht_de9/autoroute_all.cmd b/tests/single_layer/tht_de9_to_tht_de9/autoroute_all.cmd
new file mode 100644
index 0000000..66f30ee
--- /dev/null
+++ b/tests/single_layer/tht_de9_to_tht_de9/autoroute_all.cmd
@@ -0,0 +1,92 @@
+{
+  "done": [
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-1",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-2",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-3",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-4",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-5",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-6",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-7",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-8",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J1-9",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-1",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-2",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-3",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-4",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-5",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-6",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-7",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-8",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-9",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by": "RatlineIntersectionCountAndLength",
+          "permutate": true,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    }
+  ],
+  "undone": []
+}
\ No newline at end of file