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import pytest
from thinc.api import glorot_uniform_init, zero_init, uniform_init, normal_init
from thinc.api import NumpyOps
from thinc import registry
import numpy
@pytest.mark.parametrize(
"init_func", [glorot_uniform_init, zero_init, uniform_init, normal_init]
)
def test_initializer_func_setup(init_func):
ops = NumpyOps()
data = numpy.ndarray([1, 2, 3, 4], dtype="f")
result = init_func(ops, data.shape)
assert not numpy.array_equal(data, result)
@pytest.mark.parametrize(
"name,kwargs",
[
("glorot_uniform_init.v1", {}),
("zero_init.v1", {}),
("uniform_init.v1", {"lo": -0.5, "hi": 0.5}),
("normal_init.v1", {"mean": 0.1}),
],
)
def test_initializer_from_config(name, kwargs):
"""Test that initializers are loaded and configured correctly from registry
(as partials)."""
cfg = {"test": {"@initializers": name, **kwargs}}
func = registry.resolve(cfg)["test"]
func(NumpyOps(), (1, 2, 3, 4))
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