Add lock-all-through-GLM unit test

I was hunting for a bug in my code and thought the culprit was in the
locking library, so I added a test to check. Unfortunately turns out it
wasn't. :( Committing the test anyway, while still trying to figure out
what's wrong...

Reviewed-by: imsnah

diff --git a/test/ganeti.locking_unittest.py b/test/ganeti.locking_unittest.py
index 9da1303..a2d4f6e 100755 (executable)
--- a/test/ganeti.locking_unittest.py
+++ b/test/ganeti.locking_unittest.py
@@ -635,6 +635,20 @@ class TestGanetiLockManager(unittest.TestCase):
     self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1)
     self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3']))
 
+  def testAcquireWholeSets(self):
+    self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1)
+    self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None),
+                      set(self.instances))
+    self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE),
+                      set(self.instances))
+    self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, None, shared=1),
+                      set(self.nodes))
+    self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE),
+                      set(self.nodes))
+    self.GL.release(locking.LEVEL_NODE)
+    self.GL.release(locking.LEVEL_INSTANCE)
+    self.GL.release(locking.LEVEL_CLUSTER)
+
   def testBGLDependency(self):
     self.assertRaises(AssertionError, self.GL.acquire,
                       locking.LEVEL_NODE, ['n1', 'n2'])