def testHaNode(self):
"""test failover servers"""
fs = FileSystem('nonreg')
srv = Server('foo1', ['foo1@tcp'])
tgt = Target(fs, srv, 0, '/dev/null')
self.assertEqual(tgt.server, srv)
self.assertEqual(len(tgt.failservers), 0)
# Could not switch to an undefined failnode
self.assertFalse(tgt.failover(NodeSet("foo1")))
self.assertEqual(tgt.server, srv)
# Add a failserver and switch to it
foo2 = Server('foo2', ['foo2@tcp'])
tgt.add_server(foo2)
self.assertEqual(list(tgt.failservers), [foo2])
self.assertTrue(tgt.failover(NodeSet("foo2")))
self.assertEqual(tgt.server, foo2)
# Add a 2nd failserver and switch to it
foo3 = Server('foo3', ['foo3@tcp'])
tgt.add_server(foo3)
self.assertEqual(list(tgt.failservers), [foo2, foo3])
self.assertTrue(tgt.failover(NodeSet("foo3")))
self.assertEqual(tgt.server, foo3)
# Switch with more than 1 candidate but only one exist
self.assertTrue(tgt.failover(NodeSet("bar,foo2")))
self.assertEqual(tgt.server, foo2)
# Could not switch if more than one node matches
self.assertRaises(ComponentError, Target.failover, tgt,
NodeSet("foo[2,3]"))
def testHaNode(self):
"""test failover servers"""
fs = FileSystem('nonreg')
srv = Server('foo1', ['foo1@tcp'])
tgt = Target(fs, srv, 0, '/dev/null')
self.assertEqual(tgt.server, srv)
self.assertEqual(len(tgt.failservers), 0)
# Could not switch to an undefined failnode
self.assertFalse(tgt.failover(NodeSet("foo1")))
self.assertEqual(tgt.server, srv)
# Add a failserver and switch to it
foo2 = Server('foo2', ['foo2@tcp'])
tgt.add_server(foo2)
self.assertEqual(list(tgt.failservers), [ foo2 ])
self.assertTrue(tgt.failover(NodeSet("foo2")))
self.assertEqual(tgt.server, foo2)
# Add a 2nd failserver and switch to it
foo3 = Server('foo3', ['foo3@tcp'])
tgt.add_server(foo3)
self.assertEqual(list(tgt.failservers), [ foo2, foo3 ])
self.assertTrue(tgt.failover(NodeSet("foo3")))
self.assertEqual(tgt.server, foo3)
# Switch with more than 1 candidate but only one exist
self.assertTrue(tgt.failover(NodeSet("bar,foo2")))
self.assertEqual(tgt.server, foo2)
# Could not switch if more than one node matches
self.assertRaises(ComponentError, Target.failover, tgt,
NodeSet("foo[2,3]"))
