def test_acquire_no_lockspace(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
fd = fs.register()
with self.assertRaises(fs.SanlockException) as e:
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
self.assertEqual(e.exception.errno, errno.ENOSPC)
def fake_sanlock(monkeypatch):
fs = FakeSanlock()
monkeypatch.setattr(clusterlock, "sanlock", fs)
# FakeSanlock does not implement the depracated init_resource, so we will
# create the resource using write_resource, so we can test acquire and
# release.
fs.write_resource(LS_NAME, LEASE.name, [(LEASE.path, LEASE.offset)])
return fs
def test_write_resource_failure(self):
fs = FakeSanlock()
fs.errors["write_resource"] = ExpectedError
with self.assertRaises(ExpectedError):
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(fs.SanlockException) as e:
fs.read_resource("path", 1048576)
self.assertEqual(e.exception.errno, fs.SANLK_LEADER_MAGIC)
def test_write_resource_failure(self):
fs = FakeSanlock()
fs.errors["write_resource"] = ExpectedError
with self.assertRaises(ExpectedError):
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(fs.SanlockException) as e:
fs.read_resource("path", 1048576)
self.assertEqual(e.exception.errno, fs.SANLK_LEADER_MAGIC)
def test_write_read_resource(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
info = fs.read_resource("path", 1048576)
expected = {"resource": "resource",
"lockspace": "lockspace",
"version": 0}
self.assertEqual(info, expected)
def test_acquire(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
fs.add_lockspace("lockspace", 1, "path")
fd = fs.register()
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
res = fs.read_resource("path", 1048576)
self.assertTrue(res["acquired"], "resource is not acquired")
def test_write_read_resource(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
info = fs.read_resource("path", 1048576)
expected = {
"resource": "resource",
"lockspace": "lockspace",
"version": 0
}
self.assertEqual(info, expected)
def test_acquire_an_acquired_resource(self):
fs = FakeSanlock()
fs.write_resource("lockspace", "resource", [("path", 1048576)])
fs.add_lockspace("lockspace", 1, "path")
fd = fs.register()
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
with self.assertRaises(fs.SanlockException) as e:
fs.acquire("lockspace", "resource", [("path", 1048576)], slkfd=fd)
self.assertEqual(e.exception.errno, errno.EEXIST)
res = fs.read_resource("path", 1048576)
self.assertTrue(res["acquired"], "resource is not acquired")
def test_read_resource_failure(self):
fs = FakeSanlock()
fs.errors["read_resource"] = ExpectedError
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(ExpectedError):
fs.read_resource("path", 1048576)
def test_read_resource_failure(self):
fs = FakeSanlock()
fs.errors["read_resource"] = ExpectedError
fs.write_resource("lockspace", "resource", [("path", 1048576)])
with self.assertRaises(ExpectedError):
fs.read_resource("path", 1048576)
