Stabilize iso format unit tests
Some version of mkisofs does not properly handle if both the input and
the output file of the command are the same. So this commit changes the
unit tests depending on that binary to use a different files.
Related-Bug: #2059809
Change-Id: I6924eb23ff5804c22a48ec6fabcec25f061906bb
(cherry picked from commit c6d8c6972d
)
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@ -91,10 +91,15 @@ class TestFormatInspectors(test.NoDBTestCase):
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subprocess.check_output(
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'dd if=/dev/zero of=%s bs=1M count=%i' % (fn, size),
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shell=True)
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# We need to use different file as input and output as the behavior
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# of mkisofs is version dependent if both the input and the output
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# are the same and can cause test failures
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out_fn = "%s.iso" % fn
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subprocess.check_output(
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'%s -V "TEST" -o %s %s' % (base_cmd, fn, fn),
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'%s -V "TEST" -o %s %s' % (base_cmd, out_fn, fn),
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shell=True)
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return fn
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self._created_files.append(out_fn)
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return out_fn
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def _create_img(
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self, fmt, size, subformat=None, options=None,
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