Allow int senders

This allows int values as senders much in the same way string values
are allowed.

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/test_signals.py b/tests/test_signals.py
index e79ff7f..4f1114d 100644
--- a/tests/test_signals.py
+++ b/tests/test_signals.py
@@ -532,3 +532,18 @@ def test_mute_signal():
 def values_are_empty_sets_(dictionary):
     for val in dictionary.values():
         assert val == set()
+
+
+def test_int_sender():
+    sentinel = []
+
+    def received(sender):
+        sentinel.append(sender)
+
+    sig = blinker.Signal()
+
+    sig.connect(received, sender=123456789)
+    sig.send(123456789)
+    assert len(sentinel) == 1
+    sig.send(123456789 + 0)  # Forces a new id with CPython
+    assert len(sentinel) == 2