def test_list_promise_if():
p1 = Promise()
p1.fulfill(5)
p2 = Promise()
p2.fulfill(10)
pl = listPromise(p1, p2)
assert p1.isFulfilled()
assert p2.isFulfilled()
assert pl.isFulfilled()
assert_equals(5, p1.value)
assert_equals(10, p2.value)
assert_equals(5, pl.value[0])
assert_equals(10, pl.value[1])
def test_3_2_6_3_if_rejected():
"""
Testing return of pending promises to make
sure they are properly chained.
This covers the case where the root promise
is rejected before the chaining is defined.
"""
p1 = Promise()
p1.reject("Error")
pending = Promise()
pending.fulfill(10)
pr = p1.then(None, lambda r: pending)
assert pending.isFulfilled()
assert_equals(10, pending.value)
assert pr.isFulfilled()
assert_equals(10, pr.value)
p2 = Promise()
p2.reject("Error")
bad = Promise()
bad.reject("Assertion")
pr = p2.then(None, lambda r: bad)
assert bad.isRejected()
assert_equals("Assertion", bad.reason)
assert pr.isRejected()
assert_equals("Assertion", pr.reason)
def test_3_2_6_3_when_fulfilled():
"""
Testing return of pending promises to make
sure they are properly chained.
This covers the case where the root promise
is fulfilled after the chaining is defined.
"""
p1 = Promise()
pending = Promise()
pf = p1.then(lambda r: pending)
assert pending.isPending()
assert pf.isPending()
p1.fulfill(10)
pending.fulfill(5)
assert pending.isFulfilled()
assert_equals(5, pending.value)
assert pf.isFulfilled()
assert_equals(5, pf.value)
p2 = Promise()
bad = Promise()
pr = p2.then(lambda r: bad)
assert bad.isPending()
assert pr.isPending()
p2.fulfill(10)
bad.reject("Error")
assert bad.isRejected()
assert_equals("Error", bad.reason)
assert pr.isRejected()
assert_equals("Error", pr.reason)
def test_dict_promise_if():
p1 = Promise()
p2 = Promise()
d = {"a": p1, "b": p2}
pd = dictPromise(d)
assert p1.isPending()
assert p2.isPending()
assert pd.isPending()
p1.fulfill(5)
assert p1.isFulfilled()
assert p2.isPending()
assert pd.isPending()
p2.fulfill(10)
assert p1.isFulfilled()
assert p2.isFulfilled()
assert pd.isFulfilled()
assert_equals(5, p1.value)
assert_equals(10, p2.value)
assert_equals(5, pd.value["a"])
assert_equals(10, pd.value["b"])
def test_get_if():
p1 = Promise()
p1.fulfill(5)
v = p1.get()
assert p1.isFulfilled()
assert_equals(5, v)
def test_wait_if():
p1 = Promise()
p1.fulfill(5)
p1.wait()
assert p1.isFulfilled()