def test_insert_from():
comp = Computation()
comp.add_node("a")
comp.add_node("b", lambda a: a + 1, serialize=False)
comp.add_node("c", lambda b: b + 1)
comp.insert("a", 1)
comp2 = comp.copy()
comp.compute_all()
assert comp.state("a") == States.UPTODATE
assert comp.state("b") == States.UPTODATE
assert comp.state("c") == States.UPTODATE
assert comp.value("a") == 1
assert comp.value("b") == 2
assert comp.value("c") == 3
assert comp2.state("a") == States.UPTODATE
assert comp2.state("b") == States.COMPUTABLE
assert comp2.state("c") == States.STALE
assert comp2.value("a") == 1
comp2.insert_from(comp, ['a', 'c'])
assert comp.state("a") == States.UPTODATE
assert comp.state("b") == States.UPTODATE
assert comp.state("c") == States.UPTODATE
assert comp.value("a") == 1
assert comp.value("b") == 2
assert comp.value("c") == 3
assert comp2.state("a") == States.UPTODATE
assert comp2.state("b") == States.COMPUTABLE
assert comp2.state("c") == States.UPTODATE
assert comp2.value("a") == 1
assert comp2.value("c") == 3
def test_copy_2():
comp = Computation()
comp.add_node('a')
comp.add_node('b', lambda a: a + 1)
comp.insert('a', 1)
comp2 = comp.copy()
assert comp2['a'] == (States.UPTODATE, 1)
assert comp2.state('b') == States.COMPUTABLE
comp2.compute_all()
assert comp['a'] == (States.UPTODATE, 1)
assert comp.state('b') == States.COMPUTABLE
assert comp2['a'] == (States.UPTODATE, 1)
assert comp2['b'] == (States.UPTODATE, 2)
def test_copy():
comp = Computation()
comp.add_node("a")
comp.add_node("b", lambda a: a + 1)
comp.insert("a", 1)
comp.compute_all()
assert comp.state("a") == States.UPTODATE
assert comp.state("b") == States.UPTODATE
assert comp.value("a") == 1
assert comp.value("b") == 2
comp2 = comp.copy()
comp2.insert("a", 5)
comp2.compute_all()
assert comp2.state("a") == States.UPTODATE
assert comp2.state("b") == States.UPTODATE
assert comp2.value("a") == 5
assert comp2.value("b") == 6
assert comp.state("a") == States.UPTODATE
assert comp.state("b") == States.UPTODATE
assert comp.value("a") == 1
assert comp.value("b") == 2