def test__deepcopy__(self):
from copy import deepcopy
x = promise(double, 4)
y = deepcopy(x)
self.assertEqual(x._fun, y._fun)
self.assertEqual(x._args, y._args)
self.assertEqual(x(), y())
def test__deepcopy__(self):
from copy import deepcopy
x = promise(double, 4)
y = deepcopy(x)
self.assertEqual(x._fun, y._fun)
self.assertEqual(x._args, y._args)
self.assertEqual(x(), y())
def test_firstmethod_promises(self):
class A(object):
def __init__(self, value=None):
self.value = value
def m(self):
return self.value
self.assertEqual("four", utils.firstmethod("m")([
A(), A(), A(), A("four"), A("five")]))
self.assertEqual("four", utils.firstmethod("m")([
A(), A(), A(), promise(lambda: A("four")), A("five")]))
def test_firstmethod_promises(self):
class A(object):
def __init__(self, value=None):
self.value = value
def m(self):
return self.value
self.assertEqual(
"four",
utils.firstmethod("m")([A(), A(),
A(), A("four"),
A("five")]))
self.assertEqual(
"four",
utils.firstmethod("m")(
[A(), A(),
A(), promise(lambda: A("four")),
A("five")]))
def test__str__(self):
self.assertEqual(str(promise(lambda: "the quick brown fox")),
"the quick brown fox")
def test_evaluate(self):
self.assertEqual(promise(lambda: 2 + 2)(), 4)
self.assertEqual(promise(lambda x: x * 4, 2), 8)
self.assertEqual(promise(lambda x: x * 8, 2)(), 16)
def test_evaluates(self):
self.assertEqual(maybe_promise(promise(lambda: 10)), 10)
self.assertEqual(maybe_promise(20), 20)
def test_cmp(self):
self.assertEqual(promise(lambda: 10), promise(lambda: 10))
self.assertNotEqual(promise(lambda: 10), promise(lambda: 20))
def test__reduce__(self):
x = promise(double, 4)
y = pickle.loads(pickle.dumps(x))
self.assertEqual(x(), y())
def test__repr__(self):
self.assertEqual(repr(promise(lambda: "fi fa fo")),
"'fi fa fo'")
def test_evaluate(self):
self.assertEqual(promise(lambda: 2 + 2)(), 4)
self.assertEqual(promise(lambda x: x * 4, 2), 8)
self.assertEqual(promise(lambda x: x * 8, 2)(), 16)
def test__repr__(self):
self.assertEqual(repr(promise(lambda: "fi fa fo")), "'fi fa fo'")
def test__str__(self):
self.assertEqual(str(promise(lambda: "the quick brown fox")),
"the quick brown fox")
def new(self):
return promise(self.create_publisher)
def new(self):
return promise(self.create_publisher)
def test_evaluates(self):
self.assertEqual(maybe_promise(promise(lambda: 10)), 10)
self.assertEqual(maybe_promise(20), 20)
def test_cmp(self):
self.assertEqual(promise(lambda: 10), promise(lambda: 10))
self.assertNotEqual(promise(lambda: 10), promise(lambda: 20))
def test__reduce__(self):
x = promise(double, 4)
y = pickle.loads(pickle.dumps(x))
self.assertEqual(x(), y())