def test_requires_cycle(self):
test1 = Argument("test1", requires="test2")
test2 = Argument("test2", requires="test1")
args = Arguments(test1, test2)
self.assertRaises(RuntimeError, lambda: list(args.requires("test1")))
def test_requires_cycle(self):
test1 = Argument("test1", requires="test2")
test2 = Argument("test2", requires="test1")
args = Arguments(test1, test2)
self.assertRaises(RuntimeError, lambda: list(args.requires("test1")))
def test_requires(self):
test1 = Argument("test1", requires="test2")
test2 = Argument("test2", requires="test3")
test3 = Argument("test3")
args = Arguments(test1, test2, test3)
self.assertEqual(list(args.requires("test1")), [test2, test3])
def test_requires(self):
test1 = Argument("test1", requires="test2")
test2 = Argument("test2", requires="test3")
test3 = Argument("test3")
args = Arguments(test1, test2, test3)
self.assertEqual(list(args.requires("test1")), [test2, test3])
def test_requires_invalid(self):
test1 = Argument("test1", requires="test2")
args = Arguments(test1)
self.assertRaises(KeyError, lambda: list(args.requires("test1")))
def test_requires_invalid(self):
test1 = Argument("test1", requires="test2")
args = Arguments(test1)
self.assertRaises(KeyError, lambda: list(args.requires("test1")))
