59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
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"""
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Tests of the ._exceptions module. Primarily for exercising the __str__ methods.
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"""
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import pickle
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import numpy as np
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_ArrayMemoryError = np.core._exceptions._ArrayMemoryError
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_UFuncNoLoopError = np.core._exceptions._UFuncNoLoopError
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class TestArrayMemoryError:
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def test_pickling(self):
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""" Test that _ArrayMemoryError can be pickled """
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error = _ArrayMemoryError((1023,), np.dtype(np.uint8))
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res = pickle.loads(pickle.dumps(error))
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assert res._total_size == error._total_size
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def test_str(self):
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e = _ArrayMemoryError((1023,), np.dtype(np.uint8))
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str(e) # not crashing is enough
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# testing these properties is easier than testing the full string repr
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def test__size_to_string(self):
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""" Test e._size_to_string """
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f = _ArrayMemoryError._size_to_string
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Ki = 1024
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assert f(0) == '0 bytes'
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assert f(1) == '1 bytes'
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assert f(1023) == '1023 bytes'
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assert f(Ki) == '1.00 KiB'
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assert f(Ki+1) == '1.00 KiB'
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assert f(10*Ki) == '10.0 KiB'
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assert f(int(999.4*Ki)) == '999. KiB'
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assert f(int(1023.4*Ki)) == '1023. KiB'
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assert f(int(1023.5*Ki)) == '1.00 MiB'
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assert f(Ki*Ki) == '1.00 MiB'
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# 1023.9999 Mib should round to 1 GiB
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assert f(int(Ki*Ki*Ki*0.9999)) == '1.00 GiB'
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assert f(Ki*Ki*Ki*Ki*Ki*Ki) == '1.00 EiB'
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# larger than sys.maxsize, adding larger prefices isn't going to help
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# anyway.
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assert f(Ki*Ki*Ki*Ki*Ki*Ki*123456) == '123456. EiB'
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def test__total_size(self):
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""" Test e._total_size """
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e = _ArrayMemoryError((1,), np.dtype(np.uint8))
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assert e._total_size == 1
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e = _ArrayMemoryError((2, 4), np.dtype((np.uint64, 16)))
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assert e._total_size == 1024
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class TestUFuncNoLoopError:
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def test_pickling(self):
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""" Test that _UFuncNoLoopError can be pickled """
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assert isinstance(pickle.dumps(_UFuncNoLoopError), bytes)
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