def test_unlock_locked_by_itself(self):
node = DirectoryNode("path_part", "parent")
child = FakeDirectoryNode()
node.children["child"] = child
node.lock()
node.unlock()
assert child.unlocker is node
def test_unlock_locked_by_another_node(self):
node = DirectoryNode("path_part", "parent")
child = FakeDirectoryNode()
node.children["child"] = child
node.lock("lock_owner")
node.unlock()
assert child.unlocker is None
def test_remove_waiting_node_waiting_on_itself(self):
node = DirectoryNode("path_part", None)
node.lock()
node.add_waiting_node(node)
assert node in node.waiting_nodes
assert node is node.waiting_for_node
node.remove_waiting_node()
assert node not in node.waiting_nodes
assert node.waiting_for_node is None
def test_remove_waiting_node_waiting_on_another_node(self):
node1 = DirectoryNode("path_part1", None)
node2 = DirectoryNode("path_part2", node1)
node2.lock(node1)
node2.add_waiting_node(node2)
assert node2 in node1.waiting_nodes
assert node1 is node2.waiting_for_node
node2.remove_waiting_node()
assert node2 not in node1.waiting_nodes
assert node2.waiting_for_node is None
def test_set_prior_waiting_on_itself(self):
node = DirectoryNode("path_part", None)
node.lock()
node.waiting_nodes.append("another task")
node.add_waiting_node(node)
assert node in node.waiting_nodes
assert node is node.waiting_nodes[1]
assert node is node.waiting_for_node
node.set_prior()
assert node in node.waiting_nodes
assert node is node.waiting_nodes[0]
assert node is node.waiting_for_node
def test_set_prior_waiting_on_another_node(self):
node1 = DirectoryNode("path_part1", None)
node2 = DirectoryNode("path_part2", node1)
node2.lock(node1)
node1.waiting_nodes.append("another task")
node2.add_waiting_node(node2)
assert node2 in node1.waiting_nodes
assert node2 is node1.waiting_nodes[1]
assert node1 is node2.waiting_for_node
node2.set_prior()
assert node2 in node1.waiting_nodes
assert node2 is node1.waiting_nodes[0]
assert node1 is node2.waiting_for_node
def test_add_waiting_node_to_this_node_prior(self):
node = DirectoryNode("path_part", None)
node.lock()
node2 = DirectoryNode("path_part2", node)
node.add_waiting_node(node2)
assert node2 in node.waiting_nodes
node4 = DirectoryNode("path_part4", node)
node.add_waiting_node(node4, prior_node=True)
assert node4 in node.waiting_nodes
assert node4 is node.waiting_nodes[0]
def test_add_waiting_node_to_this_node_not_prior(self):
node = DirectoryNode("path_part", None)
node.lock()
node2 = DirectoryNode("path_part2", node)
node.add_waiting_node(node2)
assert node2 in node.waiting_nodes
node3 = DirectoryNode("path_part3", node)
node.add_waiting_node(node3, prior_node=False)
assert node3 in node.waiting_nodes
assert node3 is node.waiting_nodes[-1]
def test_add_waiting_node_to_another_node_prior(self):
node = DirectoryNode("path_part", None)
fake_node = FakeDirectoryNode()
node.lock(fake_node)
node2 = DirectoryNode("path_part2", node)
node.add_waiting_node(node2)
assert (node2, False,) in fake_node.waiting_nodes
node3 = DirectoryNode("path_part3", node)
node.add_waiting_node(node3, prior_node=True)
assert (node3, True,) in fake_node.waiting_nodes
assert (node3, True,) == fake_node.waiting_nodes[-1]