def test_select():
context = Context(foo="foo", bar="bar", lst=[1, 2, 3])
assert context.select("foo") == Value("foo")
assert context.select("bar") == Value("bar")
assert context.select("lst") == CtxList([1, 2, 3])
assert context.select("lst.0") == Value(1)
with pytest.raises(KeyNotInContext):
context.select("baz")
d = {
"lst": [
{
"foo0": "foo0",
"bar0": "bar0"
},
{
"foo1": "foo1",
"bar1": "bar1"
},
]
}
context = Context(d)
assert context.select("lst") == CtxList(d["lst"])
assert context.select("lst.0") == CtxDict(d["lst"][0])
assert context.select("lst.1") == CtxDict(d["lst"][1])
with pytest.raises(KeyNotInContext):
context.select("lst.2")
for i, _ in enumerate(d["lst"]):
assert context.select(f"lst.{i}.foo{i}") == Value(f"foo{i}")
assert context.select(f"lst.{i}.bar{i}") == Value(f"bar{i}")
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_context_setitem_getitem():
context = Context()
lst = [1, 2, "three", True, pi, b"bytes", None]
context["list"] = lst
assert isinstance(context["list"], CtxList)
assert context["list"] == CtxList(lst)
for i, val in enumerate(lst):
assert context["list"][i] == Value(val)
d = {
"foo":
"foo",
"bar":
"bar",
"list": [
{
"foo0": "foo0",
"bar0": "bar0"
},
{
"foo1": "foo1",
"bar1": "bar1"
},
],
}
context["data"] = d
assert isinstance(context["data"], CtxDict)
assert context["data"] == CtxDict(d)
assert context["data"]["foo"] == Value("foo")
assert context["data"]["bar"] == Value("bar")
assert isinstance(context["data"]["list"], CtxList)
assert context["data"]["list"] == CtxList(d["list"])
for i, val in enumerate(d["list"]):
c = context["data"]["list"][i]
assert isinstance(c, CtxDict)
assert c == CtxDict(val)
assert c[f"foo{i}"] == Value(f"foo{i}")
assert c[f"bar{i}"] == Value(f"bar{i}")
with pytest.raises(TypeError):
context["set"] = {1, 2, 3}
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)