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97 lines
3.7 KiB
97 lines
3.7 KiB
# tests/test_fuyu.py
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import pytest
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from swarms.models import Fuyu
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from transformers import FuyuProcessor, FuyuImageProcessor
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from PIL import Image
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# Basic test to ensure instantiation of class.
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def test_fuyu_initialization():
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fuyu_instance = Fuyu()
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assert isinstance(fuyu_instance, Fuyu)
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# Using parameterized testing for different init parameters.
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@pytest.mark.parametrize(
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"pretrained_path, device_map, max_new_tokens",
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[
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("adept/fuyu-8b", "cuda:0", 7),
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("adept/fuyu-8b", "cpu", 10),
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],
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)
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def test_fuyu_parameters(pretrained_path, device_map, max_new_tokens):
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fuyu_instance = Fuyu(pretrained_path, device_map, max_new_tokens)
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assert fuyu_instance.pretrained_path == pretrained_path
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assert fuyu_instance.device_map == device_map
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assert fuyu_instance.max_new_tokens == max_new_tokens
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# Fixture for creating a Fuyu instance.
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@pytest.fixture
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def fuyu_instance():
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return Fuyu()
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# Test using the fixture.
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def test_fuyu_processor_initialization(fuyu_instance):
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assert isinstance(fuyu_instance.processor, FuyuProcessor)
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assert isinstance(fuyu_instance.image_processor, FuyuImageProcessor)
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# Test exception when providing an invalid image path.
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def test_invalid_image_path(fuyu_instance):
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with pytest.raises(FileNotFoundError):
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fuyu_instance("Hello", "invalid/path/to/image.png")
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# Using monkeypatch to replace the Image.open method to simulate a failure.
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def test_image_open_failure(fuyu_instance, monkeypatch):
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def mock_open(*args, **kwargs):
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raise Exception("Mocked failure")
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monkeypatch.setattr(Image, "open", mock_open)
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with pytest.raises(Exception, match="Mocked failure"):
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fuyu_instance("Hello", "https://plus.unsplash.com/premium_photo-1687149699194-0207c04bc6e8?auto=format&fit=crop&q=80&w=1378&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D")
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# Marking a slow test.
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@pytest.mark.slow
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def test_fuyu_model_output(fuyu_instance):
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# This is a dummy test and may not be functional without real data.
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output = fuyu_instance("Hello, my name is", "https://plus.unsplash.com/premium_photo-1687149699194-0207c04bc6e8?auto=format&fit=crop&q=80&w=1378&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D")
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assert isinstance(output, str)
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def test_tokenizer_type(fuyu_instance):
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assert "tokenizer" in dir(fuyu_instance)
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def test_processor_has_image_processor_and_tokenizer(fuyu_instance):
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assert fuyu_instance.processor.image_processor == fuyu_instance.image_processor
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assert fuyu_instance.processor.tokenizer == fuyu_instance.tokenizer
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def test_model_device_map(fuyu_instance):
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assert fuyu_instance.model.device_map == fuyu_instance.device_map
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# Testing maximum tokens setting
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def test_max_new_tokens_setting(fuyu_instance):
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assert fuyu_instance.max_new_tokens == 7
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# Test if an exception is raised when invalid text is provided.
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def test_invalid_text_input(fuyu_instance):
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with pytest.raises(Exception):
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fuyu_instance(None, "path/to/image.png")
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# Test if an exception is raised when empty text is provided.
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def test_empty_text_input(fuyu_instance):
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with pytest.raises(Exception):
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fuyu_instance("", "path/to/image.png")
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# Test if an exception is raised when a very long text is provided.
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def test_very_long_text_input(fuyu_instance):
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with pytest.raises(Exception):
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fuyu_instance("A" * 10000, "path/to/image.png")
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# Check model's default device map
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def test_default_device_map():
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fuyu_instance = Fuyu()
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assert fuyu_instance.device_map == "cuda:0"
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# Testing if processor is correctly initialized
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def test_processor_initialization(fuyu_instance):
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assert isinstance(fuyu_instance.processor, FuyuProcessor)
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