def test_merge_list():
c1 = Context(lst=[1, 2, 3])
with pytest.raises(ValueError):
# cannot overwrite by default
c1.merge_update({"lst": [10, 11, 12]})
# lists are never merged
c1.merge_update({"lst": [10, 11, 12]}, overwrite=True)
assert c1.select("lst") == [10, 11, 12]
def test_merge_list():
c1 = Context(lst=[1, 2, 3])
with pytest.raises(MergeError):
# cannot overwrite by default
c1.merge_update({"lst": [10, 11, 12]})
# lists are never merged
c1.merge_update({"lst": [10, 11, 12]}, overwrite=True)
node = c1.select("lst")
assert node == [10, 11, 12]
assert isinstance(node, CtxList)
assert node[0] == Value(10)
def test_merge_dict():
d1 = {"Train": {"us": {"lr": 10}}}
d2 = {"Train": {"us": {"layers": 100}}}
c1 = Context(d1)
c2 = Context(d2)
c1.merge_update(c2)
assert c1.select("Train.us") == CtxDict(lr=10, layers=100)
with pytest.raises(ValueError):
# cannot overwrite by default
c1.merge_update({"Train": {"us": {"lr": 15}}})
c1.merge_update({"Train": {"us": {"lr": 15}}}, overwrite=True)
assert c1.select("Train.us") == CtxDict(lr=15, layers=100)
def test_merge_dict():
d1 = {"Train": {"us": {"lr": 10}}}
d2 = {"Train": {"us": {"layers": 100}}}
c1 = Context(d1)
c2 = Context(d2)
c1.merge_update(c2)
assert c1.select("Train.us") == CtxDict(lr=10, layers=100)
with pytest.raises(MergeError):
# cannot overwrite by default
c1.merge_update({"Train": {"us": {"lr": 15}}})
c1.merge_update({"Train": {"us": {"lr": 15}}}, overwrite=True)
node = c1.select("Train.us")
assert node == {"lr": 15, "layers": 100}
assert isinstance(node, CtxDict)
assert node["lr"] == Value(15)
assert node["layers"] == Value(100)
