67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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"""Test suite for cross-python compatibility helpers."""
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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import pytest
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import six
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from cheroot._compat import extract_bytes, memoryview, ntob, ntou, bton
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@pytest.mark.parametrize(
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('func', 'inp', 'out'),
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(
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(ntob, 'bar', b'bar'),
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(ntou, 'bar', u'bar'),
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(bton, b'bar', 'bar'),
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),
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)
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def test_compat_functions_positive(func, inp, out):
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"""Check that compatibility functions work with correct input."""
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assert func(inp, encoding='utf-8') == out
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@pytest.mark.parametrize(
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'func',
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(
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ntob,
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ntou,
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),
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)
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def test_compat_functions_negative_nonnative(func):
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"""Check that compatibility functions fail loudly for incorrect input."""
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non_native_test_str = u'bar' if six.PY2 else b'bar'
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with pytest.raises(TypeError):
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func(non_native_test_str, encoding='utf-8')
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def test_ntou_escape():
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"""Check that ``ntou`` supports escape-encoding under Python 2."""
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expected = u'hišřії'
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actual = ntou('hi\u0161\u0159\u0456\u0457', encoding='escape')
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assert actual == expected
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@pytest.mark.parametrize(
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('input_argument', 'expected_result'),
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(
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(b'qwerty', b'qwerty'),
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(memoryview(b'asdfgh'), b'asdfgh'),
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),
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)
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def test_extract_bytes(input_argument, expected_result):
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"""Check that legitimate inputs produce bytes."""
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assert extract_bytes(input_argument) == expected_result
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def test_extract_bytes_invalid():
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"""Ensure that invalid input causes exception to be raised."""
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with pytest.raises(
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ValueError,
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match=r'^extract_bytes\(\) only accepts bytes '
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'and memoryview/buffer$',
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):
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extract_bytes(u'some юнікод їїї')
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