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from contextlib import contextmanager
from typing import Iterable, List
from unittest.mock import Mock
import click
import pytest
import cloup
from cloup import Context
def pick_first_bool(args: Iterable, *, default: bool) -> bool:
return next((arg for arg in args if isinstance(arg, bool)), default)
def new_dummy_func():
return lambda *args, **kwargs: 1
def int_opt(*args, **kwargs):
return click.Option(*args, type=int, **kwargs)
def bool_opt(*args, **kwargs):
return click.Option(*args, type=bool, **kwargs)
def flag_opt(*args, **kwargs):
return click.Option(*args, is_flag=True, **kwargs)
def multi_opt(*args, **kwargs):
return click.Option(*args, multiple=True, **kwargs)
def tuple_opt(*args, **kwargs):
return click.Option(*args, nargs=3, **kwargs)
def parametrize(argnames, *argvalues, **kwargs):
return pytest.mark.parametrize(argnames, argvalues, **kwargs)
def make_context(cmd: click.Command, shell: str) -> click.Context:
args = shell.split()
return cmd.make_context(cmd.name, args)
def make_fake_context(
params: Iterable[click.Parameter],
command_cls=cloup.Command,
cls=Context,
**ctx_kwargs
) -> Context:
"""Create a simple instance of Command with the specified parameters,
then create a fake context without actually invoking the command."""
return cls(
command_cls('fake', params=params, callback=new_dummy_func()), **ctx_kwargs
)
def make_options(names: Iterable[str], **common_kwargs) -> List[click.Option]:
return [click.Option([f'--{name}'], **common_kwargs) for name in names]
def should_raise(expected_exception, *, when, **kwargs):
if when:
return pytest.raises(expected_exception, **kwargs)
@contextmanager
def manager():
yield
return manager()
def mock_repr(value, *args, **kwargs):
m = Mock(*args, **kwargs)
m.__repr__ = lambda x: value
return m
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