borgmatic/tests/unit/commands/test_completions.py

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from argparse import Action
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from collections import namedtuple
from typing import Tuple
import pytest
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from borgmatic.commands.completion import (
has_choice_options,
has_exact_options,
has_file_options,
has_unknown_required_param_options,
)
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OptionType = namedtuple('OptionType', ['file', 'choice', 'unknown_required'])
TestCase = Tuple[Action, OptionType]
test_data: list[TestCase] = [
(Action('--flag', 'flag'), OptionType(file=False, choice=False, unknown_required=False)),
*(
(
Action('--flag', 'flag', metavar=metavar),
OptionType(file=True, choice=False, unknown_required=False),
)
for metavar in ('FILENAME', 'PATH')
),
(
Action('--flag', dest='config_paths'),
OptionType(file=True, choice=False, unknown_required=False),
),
(
Action('--flag', 'flag', metavar='OTHER'),
OptionType(file=False, choice=False, unknown_required=False),
),
(
Action('--flag', 'flag', choices=['a', 'b']),
OptionType(file=False, choice=True, unknown_required=False),
),
(
Action('--flag', 'flag', choices=['a', 'b'], type=str),
OptionType(file=False, choice=True, unknown_required=True),
),
(
Action('--flag', 'flag', choices=None),
OptionType(file=False, choice=False, unknown_required=False),
),
(
Action('--flag', 'flag', required=True),
OptionType(file=False, choice=False, unknown_required=True),
),
*(
(
Action('--flag', 'flag', nargs=nargs),
OptionType(file=False, choice=False, unknown_required=True),
)
for nargs in ('+', '*')
),
*(
(
Action('--flag', 'flag', metavar=metavar),
OptionType(file=False, choice=False, unknown_required=True),
)
for metavar in ('PATTERN', 'KEYS', 'N')
),
*(
(
Action('--flag', 'flag', type=type, default=None),
OptionType(file=False, choice=False, unknown_required=True),
)
for type in (int, str)
),
(
Action('--flag', 'flag', type=int, default=1),
OptionType(file=False, choice=False, unknown_required=False),
),
(
Action('--flag', 'flag', type=str, required=True, metavar='PATH'),
OptionType(file=True, choice=False, unknown_required=True),
),
(
Action('--flag', 'flag', type=str, required=True, metavar='PATH', default='/dev/null'),
OptionType(file=True, choice=False, unknown_required=True),
),
(
Action('--flag', 'flag', type=str, required=False, metavar='PATH', default='/dev/null'),
OptionType(file=True, choice=False, unknown_required=False),
),
]
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@pytest.mark.parametrize('action, option_type', test_data)
def test_has_file_options_detects_file_options(action: Action, option_type: OptionType):
assert has_file_options(action) == option_type.file
# if has_file_options(action) was true, has_exact_options(action) should also be true
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if option_type.file:
assert has_exact_options(action)
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@pytest.mark.parametrize('action, option_type', test_data)
def test_has_choice_options_detects_choice_options(action: Action, option_type: OptionType):
assert has_choice_options(action) == option_type.choice
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# if has_choice_options(action) was true, has_exact_options(action) should also be true
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if option_type.choice:
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assert has_exact_options(action)
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@pytest.mark.parametrize('action, option_type', test_data)
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def test_has_unknown_required_param_options_detects_unknown_required_param_options(
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action: Action, option_type: OptionType
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):
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assert has_unknown_required_param_options(action) == option_type.unknown_required
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# if has_unknown_required_param_options(action) was true, has_exact_options(action) should also be true
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if option_type.unknown_required:
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assert has_exact_options(action)
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@pytest.mark.parametrize('action, option_type', test_data)
def test_has_exact_options_detects_exact_options(action: Action, option_type: OptionType):
assert has_exact_options(action) == (
option_type.file or option_type.choice or option_type.unknown_required
)