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import pytest
from cloup._util import check_positive_int, coalesce, first_bool, make_repr
def test_make_repr():
expected_repr = "list('arg', name='Alan', surname='Turing')"
n = len(expected_repr)
r = make_repr([], 'arg', name='Alan', surname='Turing',
_line_len=n)
assert r == expected_repr
r = make_repr([], 'arg', name='Alan', surname='Turing',
_line_len=n - 1, _indent=3)
assert r == ("list(\n"
" 'arg',\n"
" name='Alan',\n"
" surname='Turing'\n"
")")
def test_check_positive_int():
check_positive_int(1, 'name')
with pytest.raises(ValueError):
check_positive_int(0, 'name')
with pytest.raises(ValueError):
check_positive_int(-1, 'name')
with pytest.raises(TypeError):
check_positive_int(None, 'name')
with pytest.raises(TypeError):
check_positive_int(1.23, 'name')
def test_first_bool():
assert first_bool(0, 1, None, '', [], False, True) is False
assert first_bool(0, 1, None, '', [], True, False) is True
with pytest.raises(StopIteration):
first_bool(1, 2, '', [], None)
def test_coalesce():
assert coalesce() is None
assert coalesce(None, None, None) is None
for expected in [0, '', [], False, 123]:
assert coalesce(None, None, expected, True, 12) == expected
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