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import warnings
from unittest.mock import patch
import pytest
from torch_geometric.warnings import WarningCache, warn
def test_warn():
with pytest.warns(UserWarning, match='test'):
warn('test')
@patch('torch_geometric.is_compiling', return_value=True)
def test_no_warn_if_compiling(_):
"""No warning should be raised to avoid graph breaks when compiling."""
with warnings.catch_warnings():
warnings.simplefilter('error')
warn('test')
def test_warning_cache():
cache = WarningCache()
assert len(cache) == 0
cache.warn('test')
assert len(cache) == 1
assert 'test' in cache
cache.warn('test')
assert len(cache) == 1
cache.warn('test2')
assert len(cache) == 2
assert 'test2' in cache
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