askrene: add test for askrene-disable-channel

Signed-off-by: Lagrang3 <[email protected]>

Author: Lagrang3

tests/test_askrene.py

@@ -25,6 +25,10 @@ def test_layers(node_factory):
     assert l2.rpc.askrene_listlayers() == {'layers': [expect]}
     assert l2.rpc.askrene_listlayers('test_layers2') == {'layers': []}
 
+    l2.rpc.askrene_disable_channel('test_layers', "1x2x3", 0)
+    expect['disabled'].append("1x2x3/0")
+    assert l2.rpc.askrene_listlayers('test_layers') == {'layers': [expect]}
+
     # Tell it l3 connects to l1!
     l2.rpc.askrene_create_channel('test_layers',
                                   l3.info['id'],
@@ -164,6 +168,17 @@ def test_getroutes(node_factory):
     # Set up l1 with this as the gossip_store
     l1 = node_factory.get_node(gossip_store_file=gsfile.name)
 
+    # Disabling channels makes getroutes fail
+    l1.rpc.askrene_disable_channel("chans_disabled", "0x1x0")
+    l1.rpc.askrene_disable_channel("chans_disabled", "0x2x1")
+    l1.rpc.askrene_disable_channel("chans_disabled", "0x2x3")
+    with pytest.raises(RpcError, match="Could not find route"):
+        l1.rpc.getroutes(source=nodemap[0],
+                         destination=nodemap[1],
+                         amount_msat=1000,
+                         layers=["chans_disabled"],
+                         maxfee_msat=1000,
+                         final_cltv=99)
     # Start easy
     assert l1.rpc.getroutes(source=nodemap[0],
                             destination=nodemap[1],