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51 lines
1.1 KiB
Python
51 lines
1.1 KiB
Python
from __future__ import annotations
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import sys
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import pytest
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from PIL import Image
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# This test is not run automatically.
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#
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# It requires > 2gb memory for the >2 gigapixel image generated in the
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# second test. Running this automatically would amount to a denial of
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# service on our testing infrastructure. I expect this test to fail
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# on any 32-bit machine, as well as any smallish things (like
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# Raspberry Pis). It does succeed on a 3gb Ubuntu 12.04x64 VM on Python
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# 2.7 and 3.2.
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try:
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import numpy
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except ImportError:
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numpy = None
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YDIM = 32769
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XDIM = 48000
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pytestmark = pytest.mark.skipif(sys.maxsize <= 2**32, reason="requires 64-bit system")
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def _write_png(tmp_path, xdim, ydim):
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f = str(tmp_path / "temp.png")
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im = Image.new("L", (xdim, ydim), 0)
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im.save(f)
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def test_large(tmp_path):
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"""succeeded prepatch"""
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_write_png(tmp_path, XDIM, YDIM)
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def test_2gpx(tmp_path):
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"""failed prepatch"""
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_write_png(tmp_path, XDIM, XDIM)
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@pytest.mark.skipif(numpy is None, reason="Numpy is not installed")
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def test_size_greater_than_int():
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arr = numpy.ndarray(shape=(16394, 16394))
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Image.fromarray(arr)
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