Added single standalone test for background_runner.

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/core/test_backgrounding.py b/tests/core/test_backgrounding.py
new file mode 100644
index 0000000..7436099
--- /dev/null
+++ b/tests/core/test_backgrounding.py
@@ -0,0 +1,27 @@
+import unittest
+import threading
+import dogpile.core
+
+
+class TestBackgroundRunner(unittest.TestCase):
+    def test_background_release(self):
+        self.called = False
+
+        def runner(mutex, creator):
+            self.called = True
+            mutex.release()
+
+        mutex = threading.Lock()
+        create = lambda: ("value", 1)
+        get = lambda: ("value", 1)
+        expiretime = 1
+
+        assert not self.called
+
+        with dogpile.core.Lock(mutex, create, get, expiretime, runner) as l:
+            assert self.called
+
+        assert self.called
+
+if __name__ == '__main__':
+    unittest.main()