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from __future__ import annotations
from os import pardir, path
import pytest
from charset_normalizer.api import from_path
DIR_PATH = path.join(path.dirname(path.realpath(__file__)), pardir)
@pytest.mark.parametrize(
"input_data_file, expected_charset, expected_language",
[
("sample-arabic-1.txt", "cp1256", "Arabic"),
("sample-french-1.txt", "cp1252", "French"),
("sample-arabic.txt", "utf_8", "Arabic"),
("sample-russian-3.txt", "utf_8", "Russian"),
("sample-french.txt", "utf_8", "French"),
("sample-chinese.txt", "big5", "Chinese"),
("sample-greek.txt", "cp1253", "Greek"),
("sample-greek-2.txt", "cp1253", "Greek"),
("sample-hebrew-2.txt", "cp1255", "Hebrew"),
("sample-hebrew-3.txt", "cp1255", "Hebrew"),
("sample-bulgarian.txt", "utf_8", "Bulgarian"),
("sample-english.bom.txt", "utf_8", "English"),
("sample-spanish.txt", "utf_8", "Spanish"),
("sample-korean.txt", "cp949", "Korean"),
("sample-turkish.txt", "cp1254", "Turkish"),
("sample-russian-2.txt", "utf_8", "Russian"),
("sample-russian.txt", "mac_cyrillic", "Russian"),
("sample-polish.txt", "utf_8", "Polish"),
],
)
def test_elementary_detection(
input_data_file: str,
expected_charset: str,
expected_language: str,
):
best_guess = from_path(DIR_PATH + f"/data/{input_data_file}").best()
assert (
best_guess is not None
), f"Elementary detection has failed upon '{input_data_file}'"
assert (
best_guess.encoding == expected_charset
), f"Elementary charset detection has failed upon '{input_data_file}'"
assert (
best_guess.language == expected_language
), f"Elementary language detection has failed upon '{input_data_file}'"
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