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42 lines
1.0 KiB
42 lines
1.0 KiB
# encoding: utf-8
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"""Tests for utils.io"""
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# Copyright (c) Jupyter Development Team.
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# Distributed under the terms of the Modified BSD License.
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import io as stdlib_io
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import sys
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import pytest
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from ..io import unicode_std_stream
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from io import StringIO
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def test_UnicodeStdStream():
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# Test wrapping a bytes-level stdout
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stdoutb = stdlib_io.BytesIO()
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stdout = stdlib_io.TextIOWrapper(stdoutb, encoding='ascii')
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orig_stdout = sys.stdout
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sys.stdout = stdout
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try:
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sample = u"@łe¶ŧ←"
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unicode_std_stream().write(sample)
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output = stdoutb.getvalue().decode('utf-8')
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assert output == sample
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assert not stdout.closed
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finally:
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sys.stdout = orig_stdout
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def test_UnicodeStdStream_nowrap():
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# If we replace stdout with a StringIO, it shouldn't get wrapped.
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orig_stdout = sys.stdout
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sys.stdout = StringIO()
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try:
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assert unicode_std_stream() is sys.stdout
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assert not sys.stdout.closed
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finally:
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sys.stdout = orig_stdout
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