Initial import from flatland.util.signals

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/test_utilities.py b/tests/test_utilities.py
new file mode 100644
index 0000000..4f802f4
--- /dev/null
+++ b/tests/test_utilities.py
@@ -0,0 +1,24 @@
+import pickle
+
+from blinker._utilities import symbol
+
+
+def test_symbols():
+    foo = symbol('foo')
+    assert foo.name == 'foo'
+    assert foo is symbol('foo')
+
+    bar = symbol('bar')
+    assert foo is not bar
+    assert foo != bar
+    assert not foo == bar
+
+    assert repr(foo) == 'foo'
+
+
+def test_pickled_symbols():
+    foo = symbol('foo')
+
+    for protocol in 0, 1, 2:
+        roundtrip = pickle.loads(pickle.dumps(foo))
+        assert roundtrip is foo