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# SPDX-FileCopyrightText: Copyright 2020-2023, Contributors to pocketutils |
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# SPDX-PackageHomePage: https://github.com/dmyersturnbull/pocketutils |
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# SPDX-License-Identifier: Apache-2.0 |
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from io import StringIO |
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from typing import Self |
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import pytest |
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from pocketutils.core.input_output import Capture, DelegatingWriter, OpenMode |
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from pocketutils.core.mocks import MockWritable |
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class TestIo: |
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def test_delegating(self: Self) -> None: |
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a, b = MockWritable(), MockWritable() |
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d = DelegatingWriter(a, b) |
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d.write("abc") |
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assert a.data == "write:abc" |
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assert b.data == "write:abc" |
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d.flush() |
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assert a.data == "write:abcflush" |
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assert b.data == "write:abcflush" |
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d.close() |
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assert a.data == "write:abcflushclose" |
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assert b.data == "write:abcflushclose" |
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a.write("00") |
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assert a.data == "write:00" |
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assert b.data == "write:abcflushclose" |
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def test_capture(self: Self) -> None: |
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w = StringIO("abc") |
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c = Capture(w) |
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assert c.value == "abc" |
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def test_open_mode_normalize(self: Self) -> None: |
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o = OpenMode |
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assert str(o("").normalize()) == "rt" |
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assert str(o("r").normalize()) == "rt" |
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assert str(o("wU").normalize()) == "wt" |
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assert str(o("a").normalize()) == "at" |
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assert str(o("w+").normalize()) == "wt+" |
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assert str(o("wt+").normalize()) == "wt+" |
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assert str(o("wb+").normalize()) == "wb+" |
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assert str(o("Ux").normalize()) == "xt" |
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assert str(o("Uxb").normalize()) == "xb" |
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if __name__ == "__main__": |
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pytest.main() |
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dmyersturnbull /
pocketutils
