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"""
.. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
"""
import itertools
import pytest
from dataproperty import calc_ascii_char_width
nan = float("nan")
inf = float("inf")
class Test_calc_ascii_char_width:
@pytest.mark.parametrize(
["value", "expected"], [["吾輩は猫である", 14], ["いaろbはc", 9], ["abcdef", 6], ["", 0]]
)
def test_normal(self, value, expected):
assert calc_ascii_char_width(value) == expected
@pytest.mark.parametrize(
["value", "ambiguous_width"],
itertools.product(["Ø", "α", "β", "γ", "θ", "κ", "λ", "π", "ǎ"], [1, 2]),
)
def test_normal_east_asian_ambiguous(self, value, ambiguous_width):
assert calc_ascii_char_width(value, ambiguous_width) == ambiguous_width
@pytest.mark.parametrize(
["value", "expected"],
[
[b"abcdef", TypeError],
[None, TypeError],
[True, TypeError],
[1, TypeError],
[nan, TypeError],
],
)
def test_exception(self, value, expected):
with pytest.raises(expected):
calc_ascii_char_width(value)
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