def test_number_of_parameters_error(self):
with pytest.raises(HyperParameterEncodingError) as err:
encode({str(i): i for i in range(101)})
assert (
str(err.value) ==
"SageMaker allows at most 100 hyperparameters but 101 were specified."
)
def test_value_length_error(self):
v = "b" * 255 # 257 minus two quote characters
with pytest.raises(HyperParameterEncodingError) as err:
encode({"a": v})
assert str(
err.value
) == "Value '\"{}\"' for key 'a' must have length at most 256.".format(
v)
def test_nested_key_length_error(self):
k1 = "a" * 100
k2 = "b" * 100
k3 = "c" * 55 # 257 minus two dots
with pytest.raises(HyperParameterEncodingError) as err:
encode({k1: {k2: {k3: 5}}})
assert str(
err.value
) == "Key '{}.{}.{}' must be at most 256 characters.".format(
k1, k2, k3)
def train(self, **kw):
self.monkeypatch.setenv("TRAINING_JOB_NAME", "test-train-1.2.3")
params = {"ML2P_PROJECT": "test-project", "ML2P_S3_URL": "s3://foo/bar"}
params.update(kw)
for k, v in kw.items():
if v is None:
del params[k]
self.ml_folder.mkdir("input").mkdir("config").join(
"hyperparameters.json"
).write(json.dumps(hyperparameters.encode({"ML2P_ENV": params})))
return SageMakerEnv(str(self.ml_folder))
def test_nested_twice(self):
assert encode(
{"a": {
"b1": {
"c1": 3,
"d1": 4
},
"b2": {
"c2": 5,
"d2": 6
}
}}) == {
"a.b1.c1": "3",
"a.b1.d1": "4",
"a.b2.c2": "5",
"a.b2.d2": "6",
}
def test_int(self):
assert encode({"a": 1}) == {"a": "1"}
def test_key_length_error(self):
k = "a" * 257
with pytest.raises(HyperParameterEncodingError) as err:
encode({k: 5})
assert str(
err.value) == "Key '{}' must be at most 256 characters.".format(k)
def test_key_format_error(self):
with pytest.raises(HyperParameterEncodingError) as err:
encode({"a.b": 5})
assert str(
err.value) == "Key 'a.b' must be a string without dots ('.')"
def test_nested_once(self):
assert encode({"a": {"b": 1, "c": 2}}) == {"a.b": "1", "a.c": "2"}
def test_list(self):
assert encode({"a": [1, 2, 3]}) == {"a": "[1, 2, 3]"}
def test_false(self):
assert encode({"a": False}) == {"a": "false"}
def test_true(self):
assert encode({"a": True}) == {"a": "true"}
def test_none(self):
assert encode({"a": None}) == {"a": "null"}
def test_str(self):
assert encode({"a": "b"}) == {"a": '"b"'}
def test_float(self):
assert encode({"a": 1.2}) == {"a": "1.2"}