Intermediate changes

commit_hash:d5b1af16dbe9030537a04c27eb410c88c2f496cd

1 files changed, 22 insertions, 0 deletions

diff --git a/contrib/python/portalocker/py3/tests/test_semaphore.py b/contrib/python/portalocker/py3/tests/test_semaphore.py
new file mode 100644
index 00000000000..b0c57aa23c7
--- /dev/null
+++ b/contrib/python/portalocker/py3/tests/test_semaphore.py
@@ -0,0 +1,22 @@
+import random
+import pytest
+import portalocker
+from portalocker import utils
+
+
[email protected]('timeout', [None, 0, 0.001])
[email protected]('check_interval', [None, 0, 0.0005])
+def test_bounded_semaphore(timeout, check_interval, monkeypatch):
+    n = 2
+    name = random.random()
+    monkeypatch.setattr(utils, 'DEFAULT_TIMEOUT', 0.0001)
+    monkeypatch.setattr(utils, 'DEFAULT_CHECK_INTERVAL', 0.0005)
+
+    semaphore_a = portalocker.BoundedSemaphore(n, name=name, timeout=timeout)
+    semaphore_b = portalocker.BoundedSemaphore(n, name=name, timeout=timeout)
+    semaphore_c = portalocker.BoundedSemaphore(n, name=name, timeout=timeout)
+
+    semaphore_a.acquire(timeout=timeout)
+    semaphore_b.acquire()
+    with pytest.raises(portalocker.AlreadyLocked):
+        semaphore_c.acquire(check_interval=check_interval, timeout=timeout)