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103 lines
2.9 KiB
Python
103 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c), Sviatoslav Sydorenko <ssydoren@redhat.com> 2018
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# Simplified BSD License (see licenses/simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause)
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"""Test low-level utility functions from ``module_utils.common.collections``."""
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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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from ansible.module_utils.common._collections_compat import Sequence
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from ansible.module_utils.common.collections import is_iterable, is_sequence
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class SeqStub:
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"""Stub emulating a sequence type.
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>>> from collections.abc import Sequence
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>>> assert issubclass(SeqStub, Sequence)
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>>> assert isinstance(SeqStub(), Sequence)
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"""
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Sequence.register(SeqStub)
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class IteratorStub:
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def __next__(self):
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raise StopIteration
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class IterableStub:
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def __iter__(self):
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return IteratorStub()
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TEST_STRINGS = u'he', u'Україна', u'Česká republika'
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TEST_STRINGS = TEST_STRINGS + tuple(s.encode('utf-8') for s in TEST_STRINGS)
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TEST_ITEMS_NON_SEQUENCES = (
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{}, object(), frozenset(),
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4, 0.,
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) + TEST_STRINGS
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TEST_ITEMS_SEQUENCES = (
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[], (),
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SeqStub(),
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)
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TEST_ITEMS_SEQUENCES = TEST_ITEMS_SEQUENCES + (
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# Iterable effectively containing nested random data:
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TEST_ITEMS_NON_SEQUENCES,
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)
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@pytest.mark.parametrize('sequence_input', TEST_ITEMS_SEQUENCES)
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def test_sequence_positive(sequence_input):
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"""Test that non-string item sequences are identified correctly."""
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assert is_sequence(sequence_input)
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assert is_sequence(sequence_input, include_strings=False)
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@pytest.mark.parametrize('non_sequence_input', TEST_ITEMS_NON_SEQUENCES)
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def test_sequence_negative(non_sequence_input):
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"""Test that non-sequences are identified correctly."""
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assert not is_sequence(non_sequence_input)
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@pytest.mark.parametrize('string_input', TEST_STRINGS)
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def test_sequence_string_types_with_strings(string_input):
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"""Test that ``is_sequence`` can separate string and non-string."""
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assert is_sequence(string_input, include_strings=True)
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@pytest.mark.parametrize('string_input', TEST_STRINGS)
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def test_sequence_string_types_without_strings(string_input):
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"""Test that ``is_sequence`` can separate string and non-string."""
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assert not is_sequence(string_input, include_strings=False)
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@pytest.mark.parametrize(
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'seq',
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([], (), {}, set(), frozenset(), IterableStub()),
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)
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def test_iterable_positive(seq):
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assert is_iterable(seq)
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@pytest.mark.parametrize(
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'seq', (IteratorStub(), object(), 5, 9.)
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)
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def test_iterable_negative(seq):
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assert not is_iterable(seq)
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@pytest.mark.parametrize('string_input', TEST_STRINGS)
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def test_iterable_including_strings(string_input):
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assert is_iterable(string_input, include_strings=True)
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@pytest.mark.parametrize('string_input', TEST_STRINGS)
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def test_iterable_excluding_strings(string_input):
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assert not is_iterable(string_input, include_strings=False)
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