def test_fork_identical_new_trial(self):
lineage = LineageNode(TrialStub(id="my-id", working_dir="same_folder"))
with pytest.raises(
RuntimeError, match="The new trial new-id has the same working directory"
):
lineage.fork(TrialStub(id="new-id", working_dir="same_folder"))
assert lineage.children == []
def test_register(self):
item = [0]
lineage = LineageNode(item)
assert lineage.item == item
assert lineage.item is not item
item = [1]
lineage.register(item)
assert lineage.item == item
assert lineage.item is not item
def test_set_jump(self):
parent_lineage = LineageNode(1)
child_lineage = LineageNode(2)
parent_lineage.set_jump(child_lineage)
assert child_lineage.parent is None
assert child_lineage.jumps == []
assert child_lineage.base is parent_lineage
assert parent_lineage.children == []
assert parent_lineage.jumps == [child_lineage]
assert parent_lineage.base is None
def test_fork_to_existing_path(self, tmp_path):
trial = TrialStub(id="stub", working_dir=os.path.join(tmp_path, "stub"))
os.makedirs(trial.working_dir)
lineage = LineageNode(trial)
new_trial = TrialStub(id="fork", working_dir=os.path.join(tmp_path, "fork"))
os.makedirs(new_trial.working_dir)
with pytest.raises(
FileExistsError, match="Folder already exists for trial fork."
):
lineage.fork(new_trial)
assert lineage.children == []
def test_fork(self, mocker):
path = "/some_path"
trial = TrialStub(path)
lineage = LineageNode(trial)
new_path = "/another_path"
new_trial = TrialStub(new_path)
mocker.patch("shutil.copytree")
new_lineage = lineage.fork(new_trial)
shutil.copytree.assert_called_once_with(path, new_path)
assert new_lineage.item.working_dir == new_trial.working_dir
assert new_lineage.parent is lineage
assert lineage.children[0] is new_lineage
def test_get_true_ancestor_with_jump(self):
lineage = LineageNode(1)
child_lineage = LineageNode(2, parent=lineage)
true_lineage = LineageNode(3)
true_lineage.set_jump(child_lineage)
assert child_lineage.parent is lineage
assert child_lineage.base is true_lineage
assert child_lineage.get_true_ancestor() is true_lineage
def test_set_jump_to_old_node(self):
parent_lineage = LineageNode(1)
child_lineage = LineageNode(2)
parent_lineage.set_jump(child_lineage)
another_child_lineage = LineageNode(3)
with pytest.raises(RuntimeError, match="Trying to jump to an existing node"):
another_child_lineage.set_jump(child_lineage)
assert child_lineage.parent is None
assert child_lineage.jumps == []
assert child_lineage.base is parent_lineage
assert another_child_lineage.parent is None
assert another_child_lineage.jumps == []
assert another_child_lineage.base is None
assert parent_lineage.children == []
assert parent_lineage.jumps == [child_lineage]
assert parent_lineage.base is None
def test_set_jump_twice(self):
parent_lineage = LineageNode(1)
child_lineage = LineageNode(2)
parent_lineage.set_jump(child_lineage)
another_child_lineage = LineageNode(3)
parent_lineage.set_jump(another_child_lineage)
assert child_lineage.parent is None
assert child_lineage.jumps == []
assert child_lineage.base is parent_lineage
assert another_child_lineage.parent is None
assert another_child_lineage.jumps == []
assert another_child_lineage.base is parent_lineage
assert parent_lineage.children == []
assert parent_lineage.jumps == [child_lineage, another_child_lineage]
assert parent_lineage.base is None
def test_get_best_trial_non_completed_root(self):
lineage = LineageNode(TrialStub(id="my-id"))
assert lineage.get_best_trial() is None
def test_get_best_trial_empty(self):
trial = TrialStub(id="id-1", objective=1)
lineage = LineageNode(trial)
assert lineage.get_best_trial().id == "id-1"
def test_get_true_ancestor_parent_no_jump(self):
lineage = LineageNode(1)
child_lineage = LineageNode(2, parent=lineage)
assert child_lineage.get_true_ancestor() is lineage
def test_get_true_ancestor_no_parent(self):
lineage = LineageNode(1)
assert lineage.get_true_ancestor() is None