def test_get_node(self):
node = ClusterNode(self.username, self.address, self.port)
self.assertTrue(node.is_available())
self.cluster.add_node(self.username, self.address, self.port)
node = self.cluster.get_available_node()
self.assertTrue(node is not None)
self.assertEquals(node.address, self.address)
self.assertEquals(node.username, self.username)
self.assertEquals(node.port, self.port)
def test_construct_command(self):
node = ClusterNode(self.username, self.address, self.port)
constructed_command = node.construct_command("ls -l")
self.assertEquals("ssh cooluser@some_address 'ls -l'", constructed_command)
