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# Owner(s): ["module: unknown"]
import torch
from torch.testing._internal.common_utils import TestCase, run_tests
class LoggingTest(TestCase):
def testApiUsage(self):
"""
This test verifies that api usage logging is not triggered via static
initialization. Since it's triggered at first invocation only - we just
subprocess
"""
s = TestCase.runWithPytorchAPIUsageStderr("import torch")
self.assertRegex(s, "PYTORCH_API_USAGE.*import")
# import the shared library directly - it triggers static init but doesn't call anything
s = TestCase.runWithPytorchAPIUsageStderr("from ctypes import CDLL; CDLL('{}')".format(torch._C.__file__))
self.assertNotRegex(s, "PYTORCH_API_USAGE")
if __name__ == '__main__':
run_tests()
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