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Fix initialization test #23

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Merged
NielsRogge merged 1 commit into from
Aug 17, 2021
Merged

Fix initialization test #23

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19 changes: 18 additions & 1 deletion tests/test_modeling_layoutlmv2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
from transformers.testing_utils import require_detectron2, require_torch, slow, torch_device

from .test_configuration_common import ConfigTester
from .test_modeling_common import ModelTesterMixin, ids_tensor, random_attention_mask
from .test_modeling_common import ModelTesterMixin, _config_zero_init, ids_tensor, random_attention_mask


if is_torch_available():
Expand Down Expand Up @@ -399,6 +399,23 @@ def test_model_from_pretrained(self):
model = LayoutLMv2Model.from_pretrained(model_name)
self.assertIsNotNone(model)

def test_initialization(self):
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()

configs_no_init = _config_zero_init(config)
for model_class in self.all_model_classes:
model = model_class(config=configs_no_init)
for name, param in model.named_parameters():
if "backbone" in name or "visual_segment_embedding" in name:
continue

if param.requires_grad:
self.assertIn(
((param.data.mean() * 1e9).round() / 1e9).item(),
[0.0, 1.0],
msg=f"Parameter {name} of model {model_class} seems not properly initialized",
)


def prepare_layoutlmv2_batch_inputs():
# Here we prepare a batch of 2 sequences to test a LayoutLMv2 forward pass on:
Expand Down