def test_chain_executes_unsuccessfully(self):
node = Processor(self.root_node)
node2 = Processor(node)
node3 = Processor(node2)
self.task.name = "unhandleable"
result = node3.handle(self.task)
self.assertEqual(result, None)
class TestChainOfResponsibility(unittest.TestCase):
def setUp(self):
self.task = Task(name="test_task", args=("testarg",), kwargs={"testkwarg": True})
self.root_node = Processor()
self.root_node.handle_test_task = lambda *a, **k: "success"
def test_chain_executes_successfully(self):
node = Processor(self.root_node)
node2 = Processor(node)
self.assertEqual(node2.handle(self.task), "success")
def test_chain_executes_unsuccessfully(self):
node = Processor(self.root_node)
node2 = Processor(node)
node3 = Processor(node2)
self.task.name = "unhandleable"
result = node3.handle(self.task)
self.assertEqual(result, None)
def test_executes_with_args(self):
node = Processor(self.root_node)
self.root_node.handle_test_task = lambda *a, **k: (a, k)
args, kwargs = node.handle(self.task)
self.assertEqual(args, self.task.args)
self.assertEqual(kwargs, self.task.kwargs)
def test_can_execute(self):
self.assertTrue(self.root_node.can_execute(self.task))
self.task.default = True
self.assertTrue(Processor().can_execute(self.task))
self.task.name = "some_other_name"
self.assertTrue(self.root_node.can_execute(self.task))
self.task.default = False
self.assertFalse(self.root_node.can_execute(self.task))
def setUp(self):
self.task = Task(name="test_task", args=("testarg",), kwargs={"testkwarg": True})
self.root_node = Processor()
self.root_node.handle_test_task = lambda *a, **k: "success"
def test_executes_with_args(self):
node = Processor(self.root_node)
self.root_node.handle_test_task = lambda *a, **k: (a, k)
args, kwargs = node.handle(self.task)
self.assertEqual(args, self.task.args)
self.assertEqual(kwargs, self.task.kwargs)
def test_chain_executes_successfully(self):
node = Processor(self.root_node)
node2 = Processor(node)
self.assertEqual(node2.handle(self.task), "success")