lerobot/tests/policies/hilserl/classifier/test_modelling_classifier.py

86 lines
2.8 KiB
Python

import torch
from lerobot.common.policies.hilserl.classifier.modeling_classifier import (
ClassifierConfig,
ClassifierOutput,
)
from tests.utils import require_package
def test_classifier_output():
output = ClassifierOutput(
logits=torch.tensor([1, 2, 3]), probabilities=torch.tensor([0.1, 0.2, 0.3]), hidden_states=None
)
assert (
f"{output}"
== "ClassifierOutput(logits=tensor([1, 2, 3]), probabilities=tensor([0.1000, 0.2000, 0.3000]), hidden_states=None)"
)
@require_package("transformers")
def test_binary_classifier_with_default_params():
from lerobot.common.policies.hilserl.classifier.modeling_classifier import Classifier
config = ClassifierConfig()
classifier = Classifier(config)
batch_size = 10
input = torch.rand(batch_size, 3, 224, 224)
output = classifier(input)
assert output is not None
assert output.logits.shape == torch.Size([batch_size])
assert not torch.isnan(output.logits).any(), "Tensor contains NaN values"
assert output.probabilities.shape == torch.Size([batch_size])
assert not torch.isnan(output.probabilities).any(), "Tensor contains NaN values"
assert output.hidden_states.shape == torch.Size([batch_size, 2048])
assert not torch.isnan(output.hidden_states).any(), "Tensor contains NaN values"
@require_package("transformers")
def test_multiclass_classifier():
from lerobot.common.policies.hilserl.classifier.modeling_classifier import Classifier
num_classes = 5
config = ClassifierConfig(num_classes=num_classes)
classifier = Classifier(config)
batch_size = 10
input = torch.rand(batch_size, 3, 224, 224)
output = classifier(input)
assert output is not None
assert output.logits.shape == torch.Size([batch_size, num_classes])
assert not torch.isnan(output.logits).any(), "Tensor contains NaN values"
assert output.probabilities.shape == torch.Size([batch_size, num_classes])
assert not torch.isnan(output.probabilities).any(), "Tensor contains NaN values"
assert output.hidden_states.shape == torch.Size([batch_size, 2048])
assert not torch.isnan(output.hidden_states).any(), "Tensor contains NaN values"
@require_package("transformers")
def test_default_device():
from lerobot.common.policies.hilserl.classifier.modeling_classifier import Classifier
config = ClassifierConfig()
assert config.device == "cpu"
classifier = Classifier(config)
for p in classifier.parameters():
assert p.device == torch.device("cpu")
@require_package("transformers")
def test_explicit_device_setup():
from lerobot.common.policies.hilserl.classifier.modeling_classifier import Classifier
config = ClassifierConfig(device="meta")
assert config.device == "meta"
classifier = Classifier(config)
for p in classifier.parameters():
assert p.device == torch.device("meta")